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.github/copilot-instructions.md vendored Normal file
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# Copilot Instructions
<!-- Use this file to provide workspace-specific custom instructions to Copilot. For more details, visit https://code.visualstudio.com/docs/copilot/copilot-customization#_use-a-githubcopilotinstructionsmd-file -->
## Project Overview
This is an intelligent library management system built with Next.js, TypeScript, and PostgreSQL. The system supports both admin and student interfaces with comprehensive CRUD operations.
## Database Information
- Database: PostgreSQL (127.0.0.1:5432)
- Username: feie9454
- Password: (empty)
- Schema: library
## Code Style Guidelines
- Use TypeScript for all files
- Use Tailwind CSS for styling
- Follow Next.js App Router conventions
- Use meaningful variable and function names
- Add proper error handling and validation
- Use server components where appropriate
- Implement proper authentication and authorization
## Key Features to Implement
1. Book Management (CRUD operations, batch import)
2. Student Account Management
3. Borrowing/Returning/Renewal System
4. Reservation System
5. Fine Management
6. Book Reviews and Recommendations
7. Admin Dashboard
8. Student Portal
## Database Schema
The system uses tables: books, students, admins, borrow_records, reservations, fines, reviews, system_settings
Refer to the SQL files for complete schema definition.
## Architecture Patterns
- Use API routes for database operations
- Implement proper data validation
- Use React Query/SWR for data fetching
- Separate business logic from UI components
- Use environment variables for configuration

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{
"version": "2.0.0",
"tasks": [
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"label": "启动开发服务器",
"type": "shell",
"command": "bun",
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"dev"
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"isBackground": true,
"problemMatcher": [],
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"reveal": "always",
"focus": false,
"panel": "new"
}
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]
}

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README.md
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This is a [Next.js](https://nextjs.org) project bootstrapped with [`create-next-app`](https://nextjs.org/docs/app/api-reference/cli/create-next-app).
# 智能图书馆管理系统
## Getting Started
基于Next.js、TypeScript和PostgreSQL构建的现代化图书馆管理系统，支持管理员和学生双界面操作。
First, run the development server:
## 🚀 功能特性
### 管理员功能
- 📚 **图书管理**: 添加、编辑、删除图书，支持批量导入
- 👥 **学生管理**: 学生账户管理，权限控制
- 📊 **借阅管理**: 处理借阅、归还、续借操作
- 💰 **罚款管理**: 自动计算逾期罚款，处理缴费
- 📈 **数据统计**: 实时统计和图表展示
- ⚙️ **系统设置**: 灵活的系统参数配置
### 学生功能
- 🔍 **图书检索**: 按书名、作者、ISBN等多维度搜索
- 📖 **借阅管理**: 查看当前借阅、续借操作
- 📅 **预约系统**: 预约已借出的热门图书
- ⭐ **图书评价**: 对借阅图书进行评分和评论
- 📋 **借阅历史**: 查看完整的借阅记录
- 💳 **账户状态**: 实时查看借阅额度和罚款信息
## 🛠️ 技术栈
- **前端**: Next.js 15, React 19, TypeScript
- **样式**: Tailwind CSS
- **数据库**: PostgreSQL
- **ORM**: Drizzle ORM
- **状态管理**: TanStack Query (React Query)
- **表单处理**: React Hook Form + Zod
- **包管理**: Bun
- **图标**: Lucide React
## 📋 系统要求
- Node.js 18.18+ 或 20+
- Bun 1.0+
- PostgreSQL 12+
## 🚀 快速开始
### 1. 克隆项目
```bash
git clone <repository-url>
cd library_cs_design
```
### 2. 安装依赖
```bash
bun install
```
### 3. 配置环境变量
复制 `.env.example` 为 `.env.local` 并配置:
```env
# 数据库配置
DATABASE_URL="postgresql://feie9454@127.0.0.1:5432/library"
DB_HOST="127.0.0.1"
DB_PORT="5432"
DB_USER="feie9454"
DB_PASSWORD=""
DB_NAME="library"
# NextAuth配置
NEXTAUTH_URL="http://localhost:3000"
NEXTAUTH_SECRET="your-secret-key-here"
```
### 4. 设置数据库
确保PostgreSQL服务运行，并创建名为 `library` 的数据库和模式:
```sql
CREATE DATABASE library;
\c library;
CREATE SCHEMA library;
```
运行SQL脚本导入数据库结构和示例数据（参考附件中的SQL文件）。
### 5. 启动开发服务器
```bash
npm run dev
# or
yarn dev
# or
pnpm dev
# or
bun dev
```
Open [http://localhost:3000](http://localhost:3000) with your browser to see the result.
应用将在 http://localhost:3000 启动。
You can start editing the page by modifying `app/page.tsx`. The page auto-updates as you edit the file.
## 📁 项目结构
This project uses [`next/font`](https://nextjs.org/docs/app/building-your-application/optimizing/fonts) to automatically optimize and load [Geist](https://vercel.com/font), a new font family for Vercel.
```
src/
├── app/ # Next.js App Router页面
│ ├── admin/ # 管理员界面
│ ├── student/ # 学生界面
│ ├── books/ # 图书相关页面
│ └── api/ # API路由
├── components/ # 可复用组件
├── lib/ # 工具库
│ ├── db/ # 数据库配置和模式
│ ├── types/ # TypeScript类型定义
│ └── utils/ # 工具函数
└── hooks/ # 自定义React Hooks
```
## Learn More
## 🗄️ 数据库设计
To learn more about Next.js, take a look at the following resources:
### 核心表结构
- `books` - 图书信息表
- `students` - 学生信息表
- `admins` - 管理员信息表
- `borrow_records` - 借阅记录表
- `reservations` - 预约记录表
- `fines` - 罚款记录表
- `reviews` - 图书评价表
- `system_settings` - 系统设置表
- [Next.js Documentation](https://nextjs.org/docs) - learn about Next.js features and API.
- [Learn Next.js](https://nextjs.org/learn) - an interactive Next.js tutorial.
### 主要特性
- 支持图书多作者存储（数组类型）
- 自动触发器处理库存数量
- 完善的索引设计优化查询性能
- 支持软删除和状态管理
You can check out [the Next.js GitHub repository](https://github.com/vercel/next.js) - your feedback and contributions are welcome!
## 🔗 API接口
## Deploy on Vercel
### 图书相关
- `GET /api/books` - 获取图书列表（支持分页和搜索）
- `POST /api/books` - 添加新图书
- `GET /api/books/[id]` - 获取图书详情
- `PUT /api/books/[id]` - 更新图书信息
- `DELETE /api/books/[id]` - 删除图书（软删除）
The easiest way to deploy your Next.js app is to use the [Vercel Platform](https://vercel.com/new?utm_medium=default-template&filter=next.js&utm_source=create-next-app&utm_campaign=create-next-app-readme) from the creators of Next.js.
### 借阅相关
- `POST /api/borrow` - 借阅图书
- `POST /api/borrow/return` - 归还图书
- `POST /api/borrow/renew` - 续借图书
- `GET /api/borrow` - 获取借阅记录
Check out our [Next.js deployment documentation](https://nextjs.org/docs/app/building-your-application/deploying) for more details.
### 学生相关
- `GET /api/students` - 获取学生列表
- `POST /api/students` - 添加新学生
## 🎨 界面截图
### 主页
- 现代化设计的欢迎页面
- 清晰的功能模块展示
- 快速访问入口
### 管理员控制台
- 实时数据统计面板
- 快速操作按钮
- 最近活动展示
### 学生门户
- 个人借阅状态概览
- 当前借阅和预约管理
- 便捷的操作界面
## 🧪 开发说明
### 代码规范
- 使用TypeScript严格模式
- ESLint + Prettier代码格式化
- 组件使用函数式风格
- API使用RESTful设计
### 数据库操作
- 使用Drizzle ORM进行类型安全的数据库操作
- 支持事务处理确保数据一致性
- 合理使用索引优化查询性能
### 状态管理
- 使用React Query管理服务器状态
- 自动缓存和后台更新
- 乐观更新提升用户体验
## 🔒 安全特性
- 密码哈希存储（bcrypt）
- SQL注入防护（参数化查询）
- 输入验证和清理
- 权限控制和访问限制
## 📝 待实现功能
- [ ] 用户认证和会话管理
- [ ] 图书批量导入功能
- [ ] 邮件通知系统
- [ ] 移动端响应式优化
- [ ] 数据导出功能
- [ ] 系统日志记录
- [ ] 高级统计报表
## 🤝 贡献指南
1. Fork项目
2. 创建特性分支 (`git checkout -b feature/AmazingFeature`)
3. 提交更改 (`git commit -m 'Add some AmazingFeature'`)
4. 推送到分支 (`git push origin feature/AmazingFeature`)
5. 开启Pull Request
## 📄 许可证
本项目采用MIT许可证 - 查看 [LICENSE](LICENSE) 文件了解详情。
## 👥 作者
- **开发者** - 智能图书馆系统
## 🙏 致谢
- Next.js团队提供的优秀框架
- Tailwind CSS的美观样式系统
- Drizzle ORM的类型安全数据库操作
- 所有开源项目贡献者

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bun.lock
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"": {
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239
create_library.sql Normal file
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@ -0,0 +1,239 @@
SET search_path TO library, public;
-- 清理可能存在的旧数据（可选，测试时方便重跑）
-- 请注意，CASCADE 会删除关联数据，请谨慎在生产环境使用
-- DELETE FROM fines;
-- DELETE FROM reviews;
-- DELETE FROM reservations;
-- DELETE FROM borrow_records;
-- DELETE FROM admins;
-- DELETE FROM students;
-- DELETE FROM books;
-- DELETE FROM system_settings WHERE setting_key NOT IN ('fine_per_day', 'freeze_threshold', 'max_borrow_default'); -- 保留核心设置
-- 0. 系统参数 (你已插入，这里可以补充更多，如果需要)
INSERT INTO system_settings(setting_key, setting_value) VALUES
('max_renew_times', '2'), -- 最大续借次数
('borrow_duration_days', '30'), -- 默认借阅时长（天）
('reservation_expiry_days', '3'), -- 预约保留天数
('admin_default_password_hash', 'xxxx'); -- 示例：管理员默认密码哈希
-- ON CONFLICT (setting_key) DO UPDATE SET setting_value = EXCLUDED.setting_value; -- 如果要允许更新
-- 1. 管理员信息 (Admins)
INSERT INTO admins (emp_no, name, position, phone, privilege_lv) VALUES
('A001', '张管理', '馆长', '13800138000', 0), -- 最高权限
('A002', '李协助', '图书管理员', '13900139000', 1),
('A003', '王登记', '流通部职员', '13700137000', 2);
-- 2. 图书信息 (Books)
-- 注意: available_copies 初始设为 total_copies，后续借阅会通过触发器减少
INSERT INTO books (isbn, title, authors, publisher, publish_date, price, classification_no, location, total_copies, available_copies, status, description, cover_url) VALUES
('9787111624927', '深入理解计算机系统', ARRAY['Randal E. Bryant', 'David R. O''Hallaron'], '机械工业出版社', '2019-05-01', 139.00, 'TP301', 'A区2架3层', 10, 10, 'normal', '计算机系统的经典之作。', 'http://example.com/cover1.jpg'),
('9787030598007', '数学之美', ARRAY['吴军'], '科学出版社', '2020-01-01', 68.00, 'O1', 'B区1架1层', 15, 15, 'normal', '通俗易懂的数学科普读物。', 'http://example.com/cover2.jpg'),
('9787544270878', '百年孤独', ARRAY['加西亚·马尔克斯'], '南海出版公司', '2011-06-01', 39.50, 'I775.45', 'C区5架2层', 8, 8, 'normal', '魔幻现实主义文学的代表作。', 'http://example.com/cover3.jpg'),
('9787115478850', 'Python编程：从入门到实践', ARRAY['Eric Matthes'], '人民邮电出版社', '2018-03-01', 89.00, 'TP312PY', 'A区3架1层', 12, 12, 'normal', 'Python入门畅销书。', 'http://example.com/cover4.jpg'),
('9787508647009', '人类简史：从动物到上帝', ARRAY['尤瓦尔·赫拉利'], '中信出版社', '2014-11-01', 68.00, 'K02', 'D区1架1层', 20, 20, 'normal', '一部宏大的人类发展史。', 'http://example.com/cover5.jpg'),
('9787532767406', '追风筝的人', ARRAY['卡勒德·胡赛尼'], '上海人民出版社', '2006-05-01', 29.00, 'I712.45', 'C区4架3层', 7, 7, 'normal', '关于爱、友谊、背叛和救赎的故事。', 'http://example.com/cover6.jpg'),
('9787121362308', 'Java核心技术 卷I', ARRAY['Cay S. Horstmann'], '电子工业出版社', '2019-06-01', 128.00, 'TP312JA', 'A区3架2层', 5, 0, 'normal', 'Java经典教材，目前全部被借出，用于测试预约。', 'http://example.com/cover7.jpg'), -- 特意设置 available_copies 为 0
('9787208159659', '三体全集', ARRAY['刘慈欣'], '重庆出版社', '2019-01-01', 168.00, 'I247.5', 'C区6架1层', 3, 3, 'damaged', '科幻巨作，其中一本有损坏。', 'http://example.com/cover8.jpg'),
('9787559620187', '明朝那些事儿 (套装全7册)', ARRAY['当年明月'], '北京联合出版公司', '2017-08-01', 258.00, 'K248', 'D区2架1层', 6, 6, 'normal', '通俗易懂的明史。', 'http://example.com/cover9.jpg'),
('9787111600815', '算法导论 (原书第3版)', ARRAY['Thomas H. Cormen'], '机械工业出版社', '2012-12-01', 128.00, 'TP301.6', 'A区2架4层', 9, 9, 'normal', '算法领域的圣经。', 'http://example.com/cover10.jpg'),
('9780132350884', 'Clean Code', ARRAY['Robert C. Martin'], 'Prentice Hall', '2008-08-01', 50.00, 'TP311.1', 'A区1架5层', 4, 4, 'removed', '一本已下架的书，测试状态。', 'http://example.com/cover11.jpg');
-- 3. 学生信息 (Students)
-- max_borrow 使用默认值（通过 get_setting_int('max_borrow_default') 获取，即10）
-- current_borrow 初始为0，会由触发器更新
INSERT INTO students (stu_no, name, gender, department, major, grade, class, phone, email, account_status) VALUES
('S2023001', '张三', 'M', '计算机学院', '软件工程', '2023', '01班', '13512345671', 'zhangsan@example.com', 'active'),
('S2023002', '李四', 'F', '计算机学院', '人工智能', '2023', '02班', '13512345672', 'lisi@example.com', 'active'),
('S2022003', '王五', 'M', '外国语学院', '英语', '2022', '01班', '13512345673', 'wangwu@example.com', 'active'),
('S2021004', '赵六', 'F', '经济管理学院', '工商管理', '2021', '03班', '13512345674', 'zhaoliu@example.com', 'active'),
('S2023005', '孙七', 'M', '计算机学院', '软件工程', '2023', '01班', '13512345675', 'sunqi@example.com', 'reported'), -- 测试挂失状态
('S2022006', '周八', 'F', '人文学院', '历史学', '2022', '02班', '13512345676', 'zhouba@example.com', 'active'),
('S2021007', '吴九', 'M', '理学院', '数学与应用数学', '2021', '01班', '13512345677', 'wujiu@example.com', 'active'),
('S2023008', '郑十', 'F', '计算机学院', '网络工程', '2023', '03班', '13512345678', 'zhengshi@example.com', 'active');
-- 修改一个学生的 max_borrow，测试非默认值
UPDATE students SET max_borrow = 15 WHERE stu_no = 'S2023001';
UPDATE students SET max_borrow = 5 WHERE stu_no = 'S2021004'; -- 用于测试借阅上限
-- 4. 借阅记录 (Borrow Records)
-- book_id 和 student_id 需要引用已存在的 ID
-- due_date = borrow_date + (SELECT setting_value::int FROM system_settings WHERE setting_key = 'borrow_duration_days')
-- fine_amount 初始为0, 逾期归还将由触发器在 fines 表中记录罚款
-- 触发器 trg_sync_book_student 会在每次插入/更新/删除后执行
-- 获取 book_id 和 student_id 的示例 (实际使用时，你可能需要根据书名/学号查询得到)
-- SELECT book_id FROM books WHERE isbn = '9787111624927'; -- 1
-- SELECT student_id FROM students WHERE stu_no = 'S2023001'; -- 1
-- 借阅场景 1: 正常借出，未到期
INSERT INTO borrow_records (book_id, student_id, borrow_date, due_date, status) VALUES
(1, 1, current_date - interval '10 days', current_date - interval '10 days' + interval '30 days', 'borrowed'), -- 张三借《深入理解计算机系统》
(2, 2, current_date - interval '5 days', current_date - interval '5 days' + interval '30 days', 'borrowed'); -- 李四借《数学之美》
-- 借阅场景 2: 正常借出，今天到期
INSERT INTO borrow_records (book_id, student_id, borrow_date, due_date, status) VALUES
(3, 1, current_date - interval '30 days', current_date, 'borrowed'); -- 张三借《百年孤独》，今天到期
-- 借阅场景 3: 已逾期，未归还
INSERT INTO borrow_records (book_id, student_id, borrow_date, due_date, status) VALUES
(4, 3, current_date - interval '40 days', current_date - interval '10 days', 'overdue'); -- 王五借《Python编程》，已逾期10天
-- 借阅场景 4: 正常归还 (触发器 trg_calc_fine 不会产生罚款)
INSERT INTO borrow_records (book_id, student_id, borrow_date, due_date, return_date, status) VALUES
(5, 4, current_date - interval '20 days', current_date + interval '10 days', current_date - interval '2 days', 'returned'); -- 赵六借《人类简史》，已按时归还
-- 借阅场景 5: 逾期归还 (为了测试 trg_calc_fine，先插入为逾期，再UPDATE为归还)
-- 步骤A: 先插入一条记录，状态为 'overdue' (或者 'borrowed' 但实际已过 due_date)
INSERT INTO borrow_records (book_id, student_id, borrow_date, due_date, status)
VALUES (6, 5, current_date - interval '35 days', current_date - interval '5 days', 'overdue'); -- 孙七借《追风筝的人》
-- 记录下这条 borrow_id (假设是 6，根据实际情况调整)
-- 步骤B: 更新这条记录为 'returned'，这将触发 trg_calc_fine
-- UPDATE borrow_records
-- SET status = 'returned', return_date = current_date
-- WHERE borrow_id = (SELECT borrow_id FROM borrow_records WHERE student_id=5 AND book_id=6 AND status='overdue');
-- (该update放到下面演示触发器部分)
-- 借阅场景 6: 书籍遗失
INSERT INTO borrow_records (book_id, student_id, borrow_date, due_date, status) VALUES
(9, 6, current_date - interval '15 days', current_date + interval '15 days', 'lost'); -- 周八借《明朝那些事儿》，遗失
-- 5. 图书预约 (Reservations)
-- 只能预约 available_copies = 0 的书
-- (book_id=7, 'Java核心技术 卷I', available_copies 初始为0)
INSERT INTO reservations (book_id, student_id, reserve_date, status) VALUES
(7, 1, current_date - interval '2 days', 'waiting'), -- 张三预约《Java核心技术》
(7, 2, current_date - interval '1 day', 'waiting'); -- 李四预约《Java核心技术》
-- 假设一本被预约的书有归还了，管理员将其状态改为可取
-- UPDATE reservations SET status = 'available' WHERE book_id = 7 AND student_id = 1;
-- 6. 图书评价 (Reviews)
-- 学生通常评价已借阅过的书
INSERT INTO reviews (book_id, student_id, rating, content, review_time) VALUES
(5, 4, 5, '《人类简史》这本书太棒了，视角独特，值得一读！', now() - interval '1 day'), -- 赵六评价《人类简史》
(1, 1, 4, '《深入理解计算机系统》有点难，但很有收获。', now()), -- 张三评价
(2, 2, 5, '《数学之美》让我对数学有了新的认识。', now()); -- 李四评价
-- 尝试插入重复评价（应失败，因为有UNIQUE约束）
-- INSERT INTO reviews (book_id, student_id, rating, content, review_time) VALUES
-- (5, 4, 3, '第二次评价，内容一般。', now());
-- 7. 罚款记录 (Fines)
-- 部分罚款会由 trg_calc_fine 自动生成 (当逾期借阅记录更新为 'returned' 时)
-- 手动添加一些罚款记录：
-- 罚款场景1: 图书损坏 (假设管理员A002处理)
INSERT INTO fines (student_id, amount, reason, status, issue_date, admin_id) VALUES
( (SELECT student_id FROM students WHERE stu_no = 'S2022003'), -- 王五
20.00,
'损坏图书《Python编程》(ISBN:9787115478850)',
'unpaid',
current_date - interval '1 day',
(SELECT admin_id FROM admins WHERE emp_no = 'A002')
);
-- 罚款场景2: 图书遗失 (假设管理员A002处理)
-- 对应 borrow_records 中周八遗失的《明朝那些事儿》
INSERT INTO fines (student_id, amount, reason, status, issue_date, admin_id) VALUES
( (SELECT student_id FROM students WHERE stu_no = 'S2022006'), -- 周八
(SELECT price FROM books WHERE isbn = '9787559620187'), -- 按书价赔偿
'遗失图书《明朝那些事儿》(ISBN:9787559620187)',
'unpaid',
current_date,
(SELECT admin_id FROM admins WHERE emp_no = 'A002')
);
-- 罚款场景3: 之前的逾期罚款，已缴纳
INSERT INTO fines (student_id, amount, reason, status, issue_date, admin_id) VALUES
( (SELECT student_id FROM students WHERE stu_no = 'S2021007'), -- 吴九
5.50,
'图书逾期11天 (旧记录)',
'paid',
current_date - interval '60 days',
(SELECT admin_id FROM admins WHERE emp_no = 'A003')
);
----------------------------------------------------
-- 测试触发器 trg_calc_fine 和 trg_freeze_account
----------------------------------------------------
DO $$
DECLARE
v_student_id_sunqi bigint;
v_borrow_id_sunqi bigint;
v_fine_per_day numeric;
v_days_overdue int;
v_expected_fine numeric;
BEGIN
-- 获取孙七的 student_id
SELECT student_id INTO v_student_id_sunqi FROM students WHERE stu_no = 'S2023005';
-- 获取孙七之前插入的逾期借阅记录 (book_id=6, 追风筝的人)
SELECT borrow_id INTO v_borrow_id_sunqi
FROM borrow_records
WHERE student_id = v_student_id_sunqi AND book_id = (SELECT book_id FROM books WHERE isbn='9787532767406') AND status = 'overdue';
RAISE NOTICE '孙七(ID:%)的借阅记录ID: % 将被更新为已归还。', v_student_id_sunqi, v_borrow_id_sunqi;
-- 模拟孙七归还之前逾期的书 (book_id=6, 《追风筝的人》)
-- 这将触发 trg_calc_fine
UPDATE borrow_records
SET status = 'returned', return_date = current_date
WHERE borrow_id = v_borrow_id_sunqi;
RAISE NOTICE '已更新孙七的借阅记录。现在检查 fines 表是否自动产生罚款记录...';
-- trg_calc_fine 会根据 borrow_records 中的 due_date 和 return_date 计算罚款并插入 fines 表
-- 假设罚款汇率是 0.5/天，逾期5天，罚款应为 2.50
-- (current_date - (current_date - interval '5 days')) * 0.50
SELECT setting_value::numeric INTO v_fine_per_day FROM system_settings WHERE setting_key = 'fine_per_day';
SELECT (current_date - (SELECT due_date FROM borrow_records WHERE borrow_id = v_borrow_id_sunqi)) INTO v_days_overdue;
v_expected_fine := v_days_overdue * v_fine_per_day;
RAISE NOTICE '预期罚款金额: % * % = %', v_days_overdue, v_fine_per_day, v_expected_fine;
-- 检查孙七的账户状态是否因为罚款超过阈值 (默认20) 而被冻结
-- trg_freeze_account 会在 fines 表 INSERT/UPDATE/DELETE 后触发
RAISE NOTICE '检查孙七账户是否因罚款自动冻结...';
-- 如果孙七的罚款 (例如 2.50) 没有超过 freeze_threshold (默认20.00)，账户不会冻结。
-- 我们再为孙七手动添加一笔大额罚款，使其总欠款超过阈值
IF (SELECT sum(amount) FROM fines WHERE student_id = v_student_id_sunqi AND status = 'unpaid') < (SELECT setting_value::numeric FROM system_settings WHERE setting_key = 'freeze_threshold') THEN
RAISE NOTICE '孙七当前未付罚款未达冻结阈值，为其添加一笔大额罚款...';
INSERT INTO fines (student_id, amount, reason, status, issue_date, admin_id) VALUES
(v_student_id_sunqi, 25.00, '严重损坏图书赔偿', 'unpaid', current_date, (SELECT admin_id FROM admins WHERE emp_no='A001'));
RAISE NOTICE '已为孙七添加大额罚款，再次检查账户状态。';
END IF;
END $$;
-- 查询验证触发器效果
RAISE NOTICE '---------- 查询验证 ----------';
RAISE NOTICE '1. 书籍可借数量和学生当前借阅量 (应由 trg_sync_book_student 更新):';
SELECT book_id, title, total_copies, available_copies FROM books WHERE book_id <= 7;
SELECT student_id, name, max_borrow, current_borrow, account_status FROM students WHERE student_id <= 5;
RAISE NOTICE '2. 孙七 (S2023005) 的罚款记录 (应有 trg_calc_fine 生成的逾期罚款 和 手动添加的罚款):';
SELECT f.*, s.name as student_name
FROM fines f JOIN students s ON f.student_id = s.student_id
WHERE s.stu_no = 'S2023005';
RAISE NOTICE '3. 孙七 (S2023005) 的账户状态 (应由 trg_freeze_account 根据总欠款更新):';
SELECT stu_no, name, account_status, current_borrow
FROM students
WHERE stu_no = 'S2023005';
RAISE NOTICE '4. 查看热门图书视图:';
SELECT * FROM v_hot_books;
RAISE NOTICE '5. 查看院系借阅统计视图:';
SELECT * FROM v_dept_borrow_stats;
RAISE NOTICE '6. 查看逾期详情视图:';
SELECT od.*, b.title, s.name as student_name
FROM v_overdue_details od
JOIN books b ON od.book_id = b.book_id
JOIN students s ON od.student_id = s.student_id;
RAISE NOTICE '测试数据插入完毕。';

14
drizzle.config.ts Normal file
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@ -0,0 +1,14 @@
import { defineConfig } from 'drizzle-kit';
export default defineConfig({
dialect: 'postgresql',
schema: './src/lib/db/schema.ts',
out: './drizzle',
dbCredentials: {
host: process.env.DB_HOST!,
port: parseInt(process.env.DB_PORT!),
user: process.env.DB_USER!,
password: process.env.DB_PASSWORD!,
database: process.env.DB_NAME!,
},
});

239
example_data.sql Normal file
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SET search_path TO library, public;
-- 清理可能存在的旧数据（可选，测试时方便重跑）
-- 请注意，CASCADE 会删除关联数据，请谨慎在生产环境使用
DELETE FROM fines;
DELETE FROM reviews;
DELETE FROM reservations;
DELETE FROM borrow_records;
DELETE FROM admins;
DELETE FROM students;
DELETE FROM books;
DELETE FROM system_settings WHERE setting_key NOT IN ('fine_per_day', 'freeze_threshold', 'max_borrow_default'); -- 保留核心设置
-- 0. 系统参数 (你已插入，这里可以补充更多，如果需要)
INSERT INTO system_settings(setting_key, setting_value) VALUES
('max_renew_times', '2'), -- 最大续借次数
('borrow_duration_days', '30'), -- 默认借阅时长（天）
('reservation_expiry_days', '3'), -- 预约保留天数
('admin_default_password_hash', 'xxxx'); -- 示例：管理员默认密码哈希
-- ON CONFLICT (setting_key) DO UPDATE SET setting_value = EXCLUDED.setting_value; -- 如果要允许更新
-- 1. 管理员信息 (Admins)
INSERT INTO admins (emp_no, name, position, phone, privilege_lv) VALUES
('A001', '张管理', '馆长', '13800138000', 0), -- 最高权限
('A002', '李协助', '图书管理员', '13900139000', 1),
('A003', '王登记', '流通部职员', '13700137000', 2);
-- 2. 图书信息 (Books)
-- 注意: available_copies 初始设为 total_copies，后续借阅会通过触发器减少
INSERT INTO books (isbn, title, authors, publisher, publish_date, price, classification_no, location, total_copies, available_copies, status, description, cover_url) VALUES
('9787111624927', '深入理解计算机系统', ARRAY['Randal E. Bryant', 'David R. O''Hallaron'], '机械工业出版社', '2019-05-01', 139.00, 'TP301', 'A区2架3层', 10, 10, 'normal', '计算机系统的经典之作。', 'http://example.com/cover1.jpg'),
('9787030598007', '数学之美', ARRAY['吴军'], '科学出版社', '2020-01-01', 68.00, 'O1', 'B区1架1层', 15, 15, 'normal', '通俗易懂的数学科普读物。', 'http://example.com/cover2.jpg'),
('9787544270878', '百年孤独', ARRAY['加西亚·马尔克斯'], '南海出版公司', '2011-06-01', 39.50, 'I775.45', 'C区5架2层', 8, 8, 'normal', '魔幻现实主义文学的代表作。', 'http://example.com/cover3.jpg'),
('9787115478850', 'Python编程：从入门到实践', ARRAY['Eric Matthes'], '人民邮电出版社', '2018-03-01', 89.00, 'TP312PY', 'A区3架1层', 12, 12, 'normal', 'Python入门畅销书。', 'http://example.com/cover4.jpg'),
('9787508647009', '人类简史：从动物到上帝', ARRAY['尤瓦尔·赫拉利'], '中信出版社', '2014-11-01', 68.00, 'K02', 'D区1架1层', 20, 20, 'normal', '一部宏大的人类发展史。', 'http://example.com/cover5.jpg'),
('9787532767406', '追风筝的人', ARRAY['卡勒德·胡赛尼'], '上海人民出版社', '2006-05-01', 29.00, 'I712.45', 'C区4架3层', 7, 7, 'normal', '关于爱、友谊、背叛和救赎的故事。', 'http://example.com/cover6.jpg'),
('9787121362308', 'Java核心技术 卷I', ARRAY['Cay S. Horstmann'], '电子工业出版社', '2019-06-01', 128.00, 'TP312JA', 'A区3架2层', 5, 0, 'normal', 'Java经典教材，目前全部被借出，用于测试预约。', 'http://example.com/cover7.jpg'), -- 特意设置 available_copies 为 0
('9787208159659', '三体全集', ARRAY['刘慈欣'], '重庆出版社', '2019-01-01', 168.00, 'I247.5', 'C区6架1层', 3, 3, 'damaged', '科幻巨作，其中一本有损坏。', 'http://example.com/cover8.jpg'),
('9787559620187', '明朝那些事儿 (套装全7册)', ARRAY['当年明月'], '北京联合出版公司', '2017-08-01', 258.00, 'K248', 'D区2架1层', 6, 6, 'normal', '通俗易懂的明史。', 'http://example.com/cover9.jpg'),
('9787111600815', '算法导论 (原书第3版)', ARRAY['Thomas H. Cormen'], '机械工业出版社', '2012-12-01', 128.00, 'TP301.6', 'A区2架4层', 9, 9, 'normal', '算法领域的圣经。', 'http://example.com/cover10.jpg'),
('9780132350884', 'Clean Code', ARRAY['Robert C. Martin'], 'Prentice Hall', '2008-08-01', 50.00, 'TP311.1', 'A区1架5层', 4, 4, 'removed', '一本已下架的书，测试状态。', 'http://example.com/cover11.jpg');
-- 3. 学生信息 (Students)
-- max_borrow 使用默认值（通过 get_setting_int('max_borrow_default') 获取，即10）
-- current_borrow 初始为0，会由触发器更新
INSERT INTO students (stu_no, name, gender, department, major, grade, class, phone, email, account_status) VALUES
('S2023001', '张三', 'M', '计算机学院', '软件工程', '2023', '01班', '13512345671', 'zhangsan@example.com', 'active'),
('S2023002', '李四', 'F', '计算机学院', '人工智能', '2023', '02班', '13512345672', 'lisi@example.com', 'active'),
('S2022003', '王五', 'M', '外国语学院', '英语', '2022', '01班', '13512345673', 'wangwu@example.com', 'active'),
('S2021004', '赵六', 'F', '经济管理学院', '工商管理', '2021', '03班', '13512345674', 'zhaoliu@example.com', 'active'),
('S2023005', '孙七', 'M', '计算机学院', '软件工程', '2023', '01班', '13512345675', 'sunqi@example.com', 'reported'), -- 测试挂失状态
('S2022006', '周八', 'F', '人文学院', '历史学', '2022', '02班', '13512345676', 'zhouba@example.com', 'active'),
('S2021007', '吴九', 'M', '理学院', '数学与应用数学', '2021', '01班', '13512345677', 'wujiu@example.com', 'active'),
('S2023008', '郑十', 'F', '计算机学院', '网络工程', '2023', '03班', '13512345678', 'zhengshi@example.com', 'active');
-- 修改一个学生的 max_borrow，测试非默认值
UPDATE students SET max_borrow = 15 WHERE stu_no = 'S2023001';
UPDATE students SET max_borrow = 5 WHERE stu_no = 'S2021004'; -- 用于测试借阅上限
-- 4. 借阅记录 (Borrow Records)
-- book_id 和 student_id 需要引用已存在的 ID
-- due_date = borrow_date + (SELECT setting_value::int FROM system_settings WHERE setting_key = 'borrow_duration_days')
-- fine_amount 初始为0, 逾期归还将由触发器在 fines 表中记录罚款
-- 触发器 trg_sync_book_student 会在每次插入/更新/删除后执行
-- 获取 book_id 和 student_id 的示例 (实际使用时，你可能需要根据书名/学号查询得到)
-- SELECT book_id FROM books WHERE isbn = '9787111624927'; -- 1
-- SELECT student_id FROM students WHERE stu_no = 'S2023001'; -- 1
-- 借阅场景 1: 正常借出，未到期
INSERT INTO borrow_records (book_id, student_id, borrow_date, due_date, status) VALUES
(1, 1, current_date - interval '10 days', current_date - interval '10 days' + interval '30 days', 'borrowed'), -- 张三借《深入理解计算机系统》
(2, 2, current_date - interval '5 days', current_date - interval '5 days' + interval '30 days', 'borrowed'); -- 李四借《数学之美》
-- 借阅场景 2: 正常借出，今天到期
INSERT INTO borrow_records (book_id, student_id, borrow_date, due_date, status) VALUES
(3, 1, current_date - interval '30 days', current_date, 'borrowed'); -- 张三借《百年孤独》，今天到期
-- 借阅场景 3: 已逾期，未归还
INSERT INTO borrow_records (book_id, student_id, borrow_date, due_date, status) VALUES
(4, 3, current_date - interval '40 days', current_date - interval '10 days', 'overdue'); -- 王五借《Python编程》，已逾期10天
-- 借阅场景 4: 正常归还 (触发器 trg_calc_fine 不会产生罚款)
INSERT INTO borrow_records (book_id, student_id, borrow_date, due_date, return_date, status) VALUES
(5, 4, current_date - interval '20 days', current_date + interval '10 days', current_date - interval '2 days', 'returned'); -- 赵六借《人类简史》，已按时归还
-- 借阅场景 5: 逾期归还 (为了测试 trg_calc_fine，先插入为逾期，再UPDATE为归还)
-- 步骤A: 先插入一条记录，状态为 'overdue' (或者 'borrowed' 但实际已过 due_date)
INSERT INTO borrow_records (book_id, student_id, borrow_date, due_date, status)
VALUES (6, 5, current_date - interval '35 days', current_date - interval '5 days', 'overdue'); -- 孙七借《追风筝的人》
-- 记录下这条 borrow_id (假设是 6，根据实际情况调整)
-- 步骤B: 更新这条记录为 'returned'，这将触发 trg_calc_fine
-- UPDATE borrow_records
-- SET status = 'returned', return_date = current_date
-- WHERE borrow_id = (SELECT borrow_id FROM borrow_records WHERE student_id=5 AND book_id=6 AND status='overdue');
-- (该update放到下面演示触发器部分)
-- 借阅场景 6: 书籍遗失
INSERT INTO borrow_records (book_id, student_id, borrow_date, due_date, status) VALUES
(9, 6, current_date - interval '15 days', current_date + interval '15 days', 'lost'); -- 周八借《明朝那些事儿》，遗失
-- 5. 图书预约 (Reservations)
-- 只能预约 available_copies = 0 的书
-- (book_id=7, 'Java核心技术 卷I', available_copies 初始为0)
INSERT INTO reservations (book_id, student_id, reserve_date, status) VALUES
(7, 1, current_date - interval '2 days', 'waiting'), -- 张三预约《Java核心技术》
(7, 2, current_date - interval '1 day', 'waiting'); -- 李四预约《Java核心技术》
-- 假设一本被预约的书有归还了，管理员将其状态改为可取
-- UPDATE reservations SET status = 'available' WHERE book_id = 7 AND student_id = 1;
-- 6. 图书评价 (Reviews)
-- 学生通常评价已借阅过的书
INSERT INTO reviews (book_id, student_id, rating, content, review_time) VALUES
(5, 4, 5, '《人类简史》这本书太棒了，视角独特，值得一读！', now() - interval '1 day'), -- 赵六评价《人类简史》
(1, 1, 4, '《深入理解计算机系统》有点难，但很有收获。', now()), -- 张三评价
(2, 2, 5, '《数学之美》让我对数学有了新的认识。', now()); -- 李四评价
-- 尝试插入重复评价（应失败，因为有UNIQUE约束）
-- INSERT INTO reviews (book_id, student_id, rating, content, review_time) VALUES
-- (5, 4, 3, '第二次评价，内容一般。', now());
-- 7. 罚款记录 (Fines)
-- 部分罚款会由 trg_calc_fine 自动生成 (当逾期借阅记录更新为 'returned' 时)
-- 手动添加一些罚款记录：
-- 罚款场景1: 图书损坏 (假设管理员A002处理)
INSERT INTO fines (student_id, amount, reason, status, issue_date, admin_id) VALUES
( (SELECT student_id FROM students WHERE stu_no = 'S2022003'), -- 王五
20.00,
'损坏图书《Python编程》(ISBN:9787115478850)',
'unpaid',
current_date - interval '1 day',
(SELECT admin_id FROM admins WHERE emp_no = 'A002')
);
-- 罚款场景2: 图书遗失 (假设管理员A002处理)
-- 对应 borrow_records 中周八遗失的《明朝那些事儿》
INSERT INTO fines (student_id, amount, reason, status, issue_date, admin_id) VALUES
( (SELECT student_id FROM students WHERE stu_no = 'S2022006'), -- 周八
(SELECT price FROM books WHERE isbn = '9787559620187'), -- 按书价赔偿
'遗失图书《明朝那些事儿》(ISBN:9787559620187)',
'unpaid',
current_date,
(SELECT admin_id FROM admins WHERE emp_no = 'A002')
);
-- 罚款场景3: 之前的逾期罚款，已缴纳
INSERT INTO fines (student_id, amount, reason, status, issue_date, admin_id) VALUES
( (SELECT student_id FROM students WHERE stu_no = 'S2021007'), -- 吴九
5.50,
'图书逾期11天 (旧记录)',
'paid',
current_date - interval '60 days',
(SELECT admin_id FROM admins WHERE emp_no = 'A003')
);
----------------------------------------------------
-- 测试触发器 trg_calc_fine 和 trg_freeze_account
----------------------------------------------------
DO $$
DECLARE
v_student_id_sunqi bigint;
v_borrow_id_sunqi bigint;
v_fine_per_day numeric;
v_days_overdue int;
v_expected_fine numeric;
BEGIN
-- 获取孙七的 student_id
SELECT student_id INTO v_student_id_sunqi FROM students WHERE stu_no = 'S2023005';
-- 获取孙七之前插入的逾期借阅记录 (book_id=6, 追风筝的人)
SELECT borrow_id INTO v_borrow_id_sunqi
FROM borrow_records
WHERE student_id = v_student_id_sunqi AND book_id = (SELECT book_id FROM books WHERE isbn='9787532767406') AND status = 'overdue';
RAISE NOTICE '孙七(ID:%)的借阅记录ID: % 将被更新为已归还。', v_student_id_sunqi, v_borrow_id_sunqi;
-- 模拟孙七归还之前逾期的书 (book_id=6, 《追风筝的人》)
-- 这将触发 trg_calc_fine
UPDATE borrow_records
SET status = 'returned', return_date = current_date
WHERE borrow_id = v_borrow_id_sunqi;
RAISE NOTICE '已更新孙七的借阅记录。现在检查 fines 表是否自动产生罚款记录...';
-- trg_calc_fine 会根据 borrow_records 中的 due_date 和 return_date 计算罚款并插入 fines 表
-- 假设罚款汇率是 0.5/天，逾期5天，罚款应为 2.50
-- (current_date - (current_date - interval '5 days')) * 0.50
SELECT setting_value::numeric INTO v_fine_per_day FROM system_settings WHERE setting_key = 'fine_per_day';
SELECT (current_date - (SELECT due_date FROM borrow_records WHERE borrow_id = v_borrow_id_sunqi)) INTO v_days_overdue;
v_expected_fine := v_days_overdue * v_fine_per_day;
RAISE NOTICE '预期罚款金额: % * % = %', v_days_overdue, v_fine_per_day, v_expected_fine;
-- 检查孙七的账户状态是否因为罚款超过阈值 (默认20) 而被冻结
-- trg_freeze_account 会在 fines 表 INSERT/UPDATE/DELETE 后触发
RAISE NOTICE '检查孙七账户是否因罚款自动冻结...';
-- 如果孙七的罚款 (例如 2.50) 没有超过 freeze_threshold (默认20.00)，账户不会冻结。
-- 我们再为孙七手动添加一笔大额罚款，使其总欠款超过阈值
IF (SELECT sum(amount) FROM fines WHERE student_id = v_student_id_sunqi AND status = 'unpaid') < (SELECT setting_value::numeric FROM system_settings WHERE setting_key = 'freeze_threshold') THEN
RAISE NOTICE '孙七当前未付罚款未达冻结阈值，为其添加一笔大额罚款...';
INSERT INTO fines (student_id, amount, reason, status, issue_date, admin_id) VALUES
(v_student_id_sunqi, 25.00, '严重损坏图书赔偿', 'unpaid', current_date, (SELECT admin_id FROM admins WHERE emp_no='A001'));
RAISE NOTICE '已为孙七添加大额罚款，再次检查账户状态。';
END IF;
END $$;
-- 查询验证触发器效果
RAISE NOTICE '---------- 查询验证 ----------';
RAISE NOTICE '1. 书籍可借数量和学生当前借阅量 (应由 trg_sync_book_student 更新):';
SELECT book_id, title, total_copies, available_copies FROM books WHERE book_id <= 7;
SELECT student_id, name, max_borrow, current_borrow, account_status FROM students WHERE student_id <= 5;
RAISE NOTICE '2. 孙七 (S2023005) 的罚款记录 (应有 trg_calc_fine 生成的逾期罚款 和 手动添加的罚款):';
SELECT f.*, s.name as student_name
FROM fines f JOIN students s ON f.student_id = s.student_id
WHERE s.stu_no = 'S2023005';
RAISE NOTICE '3. 孙七 (S2023005) 的账户状态 (应由 trg_freeze_account 根据总欠款更新):';
SELECT stu_no, name, account_status, current_borrow
FROM students
WHERE stu_no = 'S2023005';
RAISE NOTICE '4. 查看热门图书视图:';
SELECT * FROM v_hot_books;
RAISE NOTICE '5. 查看院系借阅统计视图:';
SELECT * FROM v_dept_borrow_stats;
RAISE NOTICE '6. 查看逾期详情视图:';
SELECT od.*, b.title, s.name as student_name
FROM v_overdue_details od
JOIN books b ON od.book_id = b.book_id
JOIN students s ON od.student_id = s.student_id;
RAISE NOTICE '测试数据插入完毕。';

7
next.config.ts
View File

@ -2,6 +2,11 @@ import type { NextConfig } from "next";
const nextConfig: NextConfig = {
/* config options here */
};
images: {
remotePatterns: [new URL('https://picsum.photos/**')],
},
}
export default nextConfig;

18
package.json
View File

@ -9,9 +9,25 @@
"lint": "next lint"
},
"dependencies": {
"@hookform/resolvers": "^5.1.1",
"@tanstack/react-query": "^5.80.10",
"@tanstack/react-query-devtools": "^5.80.10",
"@types/bcryptjs": "^3.0.0",
"@types/pg": "^8.15.4",
"bcryptjs": "^3.0.2",
"clsx": "^2.1.1",
"date-fns": "^4.1.0",
"drizzle-kit": "^0.31.1",
"drizzle-orm": "^0.44.2",
"lucide-react": "^0.520.0",
"next": "15.3.4",
"next-auth": "^4.24.11",
"pg": "^8.16.2",
"react": "^19.0.0",
"react-dom": "^19.0.0",
"next": "15.3.4"
"react-hook-form": "^7.58.1",
"tailwind-merge": "^3.3.1",
"zod": "^3.25.67"
},
"devDependencies": {
"typescript": "^5",

469
sql/admin_query.sql Normal file
View File

@ -0,0 +1,469 @@
-- 假设当前操作的管理员ID
-- 在实际应用中，这个ID会从登录会话中获取
-- SELECT admin_id INTO v_admin_id FROM admins WHERE emp_no = 'A001'; -- 示例：获取张管理的ID
-- 为了简化示例，我们直接使用数字，假设 admin_id=1 是一个有效管理员
-- 请根据你的 admins 表实际数据替换
----------------------------------------------------------------------
-- (1). 图书信息管理（增删改查、批量导入）
----------------------------------------------------------------------
-- A. 新增图书 (Create)
INSERT INTO books (isbn, title, authors, publisher, publish_date, price, classification_no, location, total_copies, available_copies, description, cover_url)
VALUES
('9787121408881', 'Effective Java 中文版 (原书第3版)', ARRAY['Joshua Bloch'], '机械工业出版社', '2019-01-01', 119.00, 'TP312JA', 'A区3架5层', 5, 5, 'Java程序员必读的经典著作，包含90个实用条目。', 'http://example.com/cover_effective_java.jpg');
-- B. 查询图书 (Read)
-- B1. 按ISBN精确查询
SELECT * FROM books WHERE isbn = '9787111624927';
-- B2. 按书名模糊查询 (使用 trigram 索引 idx_books_title_trgm)
SELECT * FROM books WHERE title % '计算机'; -- 查询包含“计算机”的
SELECT * FROM books WHERE title ILIKE '%系统%'; -- 不区分大小写查询包含“系统”的
-- B3. 按作者查询 (使用 GIN 索引 idx_books_authors_gin)
SELECT * FROM books WHERE authors @> ARRAY['吴军']; -- 查询作者包含“吴军”的
-- B4. 按分类号查询
SELECT * FROM books WHERE classification_no = 'TP301';
-- B5. 查看所有“正常”状态的图书
SELECT * FROM books WHERE status = 'normal';
-- C. 修改图书信息 (Update)
-- 假设要修改 book_id 为 1 的图书信息
UPDATE books
SET
price = 145.00,
location = 'A区2架3层 (更新)',
description = '计算机系统的经典之作，最新修订版。',
updated_at = now()
WHERE book_id = 1; -- 假设 book_id 为 1 的是《深入理解计算机系统》
-- 修改图书状态 (例如，将一本损坏的书修复后改为正常)
UPDATE books
SET status = 'normal', available_copies = available_copies + 1 -- 如果之前因损坏不可借
WHERE isbn = '9787208159659' AND status = 'damaged'; -- 假设《三体全集》某本修复
-- D. 删除图书 (Delete) - 谨慎操作，通常建议逻辑删除或下架
-- 注意：如果该书有关联的借阅记录、预约记录、评价记录，且外键设置了 ON DELETE CASCADE，则这些关联记录也会被删除。
-- 如果设置了 ON DELETE RESTRICT (或默认)，且存在关联记录，则删除会失败。
-- 你的表结构中，borrow_records, reservations, reviews 都对 book_id 设置了 ON DELETE CASCADE。
-- DELETE FROM books WHERE isbn = '9780132350884'; -- 删除已下架的《Clean Code》
-- 更好的方式是“下架”
UPDATE books
SET status = 'removed', available_copies = 0
WHERE isbn = '9780132350884';
-- E. 批量导入图书 (Batch Import)
INSERT INTO books (isbn, title, authors, publisher, total_copies, available_copies) VALUES
('ISBN001', '批量导入书1', ARRAY['作者X'], '出版社A', 2, 2),
('ISBN002', '批量导入书2', ARRAY['作者Y', '作者Z'], '出版社B', 3, 3);
----------------------------------------------------------------------
-- (2). 学生账户管理
----------------------------------------------------------------------
-- A. 新增学生账户
INSERT INTO students (stu_no, name, gender, department, major, grade, class, phone, email, max_borrow)
VALUES
('S2024001', '刘新', 'M', '物理学院', '应用物理', '2024', '01班', '13600001111', 'liuxin@example.com', (SELECT setting_value::int FROM system_settings WHERE setting_key='max_borrow_default'));
-- B. 查询学生账户
-- B1. 按学号查询
SELECT * FROM students WHERE stu_no = 'S2023001';
-- B2. 按姓名模糊查询
SELECT * FROM students WHERE name LIKE '张%';
-- B3. 查询某院系所有学生
SELECT * FROM students WHERE department = '计算机学院';
-- C. 修改学生账户信息
-- C1. 修改学生联系方式
UPDATE students
SET phone = '13511112222', email = 'new_zhangsan@example.com'
WHERE stu_no = 'S2023001';
-- C2. 修改学生账户状态 (例如：解挂、冻结/解冻 - 冻结通常由触发器完成，但管理员也可手动操作)
-- 解挂
UPDATE students SET account_status = 'active' WHERE stu_no = 'S2023005' AND account_status = 'reported';
-- 手动冻结 (如果业务需要)
UPDATE students SET account_status = 'frozen' WHERE stu_no = 'S2023001';
-- 手动解冻 (例如，学生缴清罚款后，触发器未及时更新或有特殊情况)
-- 首先确保罚款已清或问题已解决
-- UPDATE fines SET status = 'paid' WHERE student_id = (SELECT student_id FROM students WHERE stu_no = 'S2023005') AND status = 'unpaid';
-- 然后（如果触发器没有将所有欠款清零后的账户自动激活）
-- UPDATE students SET account_status = 'active' WHERE stu_no = 'S2023005' AND account_status = 'frozen';
-- C3. 修改学生最大借阅量
UPDATE students SET max_borrow = 12 WHERE stu_no = 'S2023001';
----------------------------------------------------------------------
-- (3). 处理借阅、归还、续借请求
----------------------------------------------------------------------
-- A. 处理借阅请求 (学生在前台操作，管理员后台处理或确认)
-- 假设学生 (stu_no='S2023002', 李四) 要借阅图书 (isbn='9787111624927', 深入理解计算机系统)
-- 前提检查 (通常在应用层完成，但也可在存储过程中封装):
-- 1. 图书可借: SELECT available_copies, status FROM books WHERE isbn = '9787111624927'; (available_copies > 0 and status = 'normal')
-- 2. 学生账户正常: SELECT account_status FROM students WHERE stu_no = 'S2023002'; (account_status = 'active')
-- 3. 学生未超借阅上限: SELECT current_borrow, max_borrow FROM students WHERE stu_no = 'S2023002'; (current_borrow < max_borrow)
DO $$
DECLARE
v_student_id bigint;
v_book_id bigint;
v_available_copies int;
v_book_status book_status_enum;
v_account_status acct_status_enum;
v_current_borrow int;
v_max_borrow int;
v_borrow_duration int;
BEGIN
SELECT student_id, account_status, current_borrow, max_borrow INTO v_student_id, v_account_status, v_current_borrow, v_max_borrow
FROM students WHERE stu_no = 'S2023002';
SELECT book_id, available_copies, status INTO v_book_id, v_available_copies, v_book_status
FROM books WHERE isbn = '9787111624927';
IF NOT FOUND THEN RAISE EXCEPTION '学生或图书不存在'; END IF;
IF v_book_status != 'normal' THEN RAISE EXCEPTION '图书状态异常，不可借阅: %', v_book_status; END IF;
IF v_available_copies <= 0 THEN RAISE EXCEPTION '图书已无馆藏可借'; END IF;
IF v_account_status != 'active' THEN RAISE EXCEPTION '学生账户状态异常，不可借阅: %', v_account_status; END IF;
IF v_current_borrow >= v_max_borrow THEN RAISE EXCEPTION '已达到最大借阅量'; END IF;
SELECT setting_value::int INTO v_borrow_duration FROM system_settings WHERE setting_key = 'borrow_duration_days';
INSERT INTO borrow_records (book_id, student_id, borrow_date, due_date, status)
VALUES (v_book_id, v_student_id, current_date, current_date + (v_borrow_duration || ' days')::interval, 'borrowed');
RAISE NOTICE '借阅成功! Book ID: %, Student ID: %', v_book_id, v_student_id;
-- 触发器 trg_sync_book_student 会自动更新 books.available_copies 和 students.current_borrow
END $$;
-- B. 处理归还请求
-- 假设要归还 borrow_id 为 (假设是1，根据实际情况查询得到) 的借阅记录
-- SELECT borrow_id FROM borrow_records br JOIN students s ON br.student_id = s.student_id JOIN books b ON br.book_id = b.book_id
-- WHERE s.stu_no='S2023001' AND b.isbn='9787111624927' AND br.status IN ('borrowed', 'overdue'); (假设这是张三借的《深入理解计算机系统》)
-- 获取特定借阅记录ID (例如，张三当前借阅的《深入理解计算机系统》)
DO $$
DECLARE
v_borrow_id bigint;
BEGIN
SELECT br.borrow_id INTO v_borrow_id
FROM borrow_records br
JOIN students s ON br.student_id = s.student_id
JOIN books b ON br.book_id = b.book_id
WHERE s.stu_no = 'S2023001' AND b.isbn = '9787111624927' AND br.status IN ('borrowed', 'overdue')
ORDER BY br.borrow_date DESC LIMIT 1; -- 获取最近一次未还的
IF NOT FOUND THEN
RAISE NOTICE '未找到该学生对应的此书的当前借阅记录。';
RETURN;
END IF;
RAISE NOTICE '正在归还 borrow_id: %', v_borrow_id;
UPDATE borrow_records
SET
status = 'returned',
return_date = current_date
WHERE borrow_id = v_borrow_id;
-- 触发器 trg_calc_fine 会在逾期归还时自动记录罚款
-- 触发器 trg_sync_book_student 会自动更新 books.available_copies 和 students.current_borrow
RAISE NOTICE '归还操作完成。';
END $$;
-- C. 处理续借请求
-- 假设要续借 borrow_id 为 (假设是2，李四借的《数学之美》) 的借阅记录
-- 续借条件检查 (应用层或存储过程):
-- 1. 图书未被其他人预约: SELECT 1 FROM reservations WHERE book_id = _book_id_ AND status = 'waiting'; (应为空)
-- 2. 未超最大续借次数: SELECT renew_times FROM borrow_records WHERE borrow_id = _borrow_id_;
-- (renew_times < (SELECT setting_value::int FROM system_settings WHERE setting_key = 'max_renew_times'))
-- 3. 学生账户正常，图书未逾期等。
DO $$
DECLARE
v_borrow_id bigint;
v_book_id bigint;
v_renew_times int;
v_max_renew_times int;
v_is_reserved int;
v_borrow_duration int;
v_current_due_date date;
v_current_status borrow_status_enum;
BEGIN
-- 假设李四 (S2023002) 续借《数学之美》 (isbn='9787030598007')
SELECT br.borrow_id, br.book_id, br.renew_times, br.due_date, br.status
INTO v_borrow_id, v_book_id, v_renew_times, v_current_due_date, v_current_status
FROM borrow_records br
JOIN students s ON br.student_id = s.student_id
JOIN books b ON br.book_id = b.book_id
WHERE s.stu_no = 'S2023002' AND b.isbn = '9787030598007' AND br.status = 'borrowed' -- 通常只能续借未逾期的
ORDER BY br.borrow_date DESC LIMIT 1;
IF NOT FOUND THEN RAISE EXCEPTION '未找到该借阅记录或记录状态不符。'; END IF;
IF v_current_status = 'overdue' THEN RAISE EXCEPTION '图书已逾期，不可续借，请先处理逾期。'; END IF;
SELECT setting_value::int INTO v_max_renew_times FROM system_settings WHERE setting_key = 'max_renew_times';
SELECT setting_value::int INTO v_borrow_duration FROM system_settings WHERE setting_key = 'borrow_duration_days';
IF v_renew_times >= v_max_renew_times THEN
RAISE EXCEPTION '已达到最大续借次数 (%)', v_max_renew_times;
END IF;
SELECT count(*) INTO v_is_reserved FROM reservations
WHERE book_id = v_book_id AND status = 'waiting'
AND student_id != (SELECT student_id FROM students WHERE stu_no = 'S2023002'); -- 排除自己的预约
IF v_is_reserved > 0 THEN
RAISE EXCEPTION '该图书已被他人预约，不可续借。';
END IF;
UPDATE borrow_records
SET
due_date = v_current_due_date + (v_borrow_duration || ' days')::interval, -- 从当前应还日期开始延长
renew_times = v_renew_times + 1
WHERE borrow_id = v_borrow_id;
RAISE NOTICE '续借成功! Borrow ID: %，新应还日期: %', v_borrow_id, (SELECT due_date FROM borrow_records WHERE borrow_id=v_borrow_id);
END $$;
----------------------------------------------------------------------
-- (4). 管理预约队列
----------------------------------------------------------------------
-- A. 查看某本图书的预约队列 (例如 book_id = 7, Java核心技术)
SELECT r.reservation_id, r.reserve_date, r.status, s.stu_no, s.name as student_name, s.email
FROM reservations r
JOIN students s ON r.student_id = s.student_id
WHERE r.book_id = 7 AND r.status = 'waiting' -- 假设book_id 7是《Java核心技术 卷I》
ORDER BY r.reserve_date ASC; -- 按预约日期升序，先预约的在前
-- B. 处理到书通知 (当一本被预约的书归还后)
-- 假设 book_id = 7 的书有副本归还，管理员通知队列中的第一个学生
-- B1. 找到第一个等待的学生
DO $$
DECLARE
v_reservation_id bigint;
v_student_id bigint;
v_book_id int := 7; -- 假设是 Java 核心技术
v_reservation_expiry_days int;
BEGIN
SELECT reservation_id, student_id INTO v_reservation_id, v_student_id
FROM reservations
WHERE book_id = v_book_id AND status = 'waiting'
ORDER BY reserve_date ASC
LIMIT 1;
IF FOUND THEN
SELECT setting_value::int INTO v_reservation_expiry_days
FROM system_settings WHERE setting_key = 'reservation_expiry_days';
UPDATE reservations
SET status = 'available' -- (可以增加一个 notified_at timestamp 和 available_until timestamp 字段)
-- available_until = current_timestamp + (v_reservation_expiry_days || ' days')::interval -- (如果表有此字段)
WHERE reservation_id = v_reservation_id;
RAISE NOTICE '已通知学生ID % (预约ID %) 图书 % 可取。', v_student_id, v_reservation_id, v_book_id;
-- 实际应用中会发送邮件/短信
ELSE
RAISE NOTICE '图书 % 没有等待中的预约。', v_book_id;
END IF;
END $$;
-- C. 学生未在规定时间内取书，预约自动或手动过期
UPDATE reservations
SET status = 'expired'
WHERE status = 'available' AND reservation_id = _reservation_id_ ;
-- AND available_until < current_timestamp; -- (如果表有 available_until 字段)
-- D. 管理员取消某个预约 (例如，学生请求取消)
UPDATE reservations
SET status = 'cancelled'
WHERE reservation_id = _reservation_id_ ; -- 替换为实际预约ID
----------------------------------------------------------------------
-- (5). 处理图书遗失、损坏等异常情况
----------------------------------------------------------------------
-- A. 处理图书遗失
-- 假设学生 (stu_no='S2022006', 周八) 遗失了图书 (isbn='9787559620187', 明朝那些事儿)
-- A1. 更新借阅记录状态 (如果该书是被借阅后遗失的)
-- 你已经在测试数据中插入了一条 borrow_records 状态为 'lost' 的记录，这里假设是管理员新发现的遗失
DO $$
DECLARE
v_student_id bigint;
v_book_id bigint;
v_borrow_id bigint;
v_book_price numeric;
v_admin_id bigint := (SELECT admin_id FROM admins WHERE emp_no = 'A002'); -- 操作管理员ID
BEGIN
SELECT student_id INTO v_student_id FROM students WHERE stu_no = 'S2022006';
SELECT book_id, price INTO v_book_id, v_book_price FROM books WHERE isbn = '9787559620187';
-- 查找该学生对这本书的未还借阅记录
SELECT borrow_id INTO v_borrow_id
FROM borrow_records
WHERE student_id = v_student_id AND book_id = v_book_id AND status IN ('borrowed', 'overdue')
LIMIT 1;
IF FOUND THEN
UPDATE borrow_records SET status = 'lost' WHERE borrow_id = v_borrow_id;
RAISE NOTICE '借阅记录 % 已更新为遗失。', v_borrow_id;
ELSE
RAISE NOTICE '未找到该学生对此书的当前借阅记录，可能是在馆藏中发现遗失。';
END IF;
-- A2. 更新图书信息状态和可借数量 (如果这本书之前是可借的)
-- total_copies 一般不变，除非彻底报废且不再补充
UPDATE books
SET
status = 'lost', -- 如果整本书遗失
available_copies = GREATEST(0, available_copies - 1) -- 确保可借不为负
WHERE book_id = v_book_id AND status != 'lost'; -- 避免重复操作，如果已是lost就不再减available_copies
-- A3. 生成罚款记录 (按书价赔偿)
INSERT INTO fines (student_id, amount, reason, status, issue_date, admin_id)
VALUES (v_student_id, v_book_price, '遗失图书《明朝那些事儿》(ISBN:9787559620187)', 'unpaid', current_date, v_admin_id);
RAISE NOTICE '遗失罚款已记录。';
-- 触发器 trg_freeze_account 会检查是否需要冻结账户
-- 触发器 trg_sync_book_student 会因为 borrow_records 更新而调整 current_borrow
END $$;
-- B. 处理图书损坏
-- 假设发现馆藏图书 (isbn='9787208159659', 三体全集) 有一本损坏，需要记录并可能罚款最后借阅人
DO $$
DECLARE
v_book_id bigint;
v_last_borrower_student_id bigint;
v_damage_fine_amount numeric := 20.00; -- 损坏赔偿金额
v_admin_id bigint := (SELECT admin_id FROM admins WHERE emp_no = 'A002');
BEGIN
SELECT book_id INTO v_book_id FROM books WHERE isbn = '9787208159659';
-- B1. 更新图书状态，如果损坏到不可借阅，减少可借数量
UPDATE books
SET
status = 'damaged',
available_copies = GREATEST(0, available_copies - 1) -- 如果损坏导致不可借
WHERE book_id = v_book_id;
RAISE NOTICE '图书 % 状态已更新为损坏。', v_book_id;
-- B2. (可选) 查找最后借阅人并生成罚款
SELECT student_id INTO v_last_borrower_student_id
FROM borrow_records
WHERE book_id = v_book_id AND return_date IS NOT NULL
ORDER BY return_date DESC
LIMIT 1;
IF FOUND THEN
INSERT INTO fines (student_id, amount, reason, status, issue_date, admin_id)
VALUES (v_last_borrower_student_id, v_damage_fine_amount, '损坏图书《三体全集》(ISBN:9787208159659)', 'unpaid', current_date, v_admin_id);
RAISE NOTICE '已向最后借阅人 (学生ID: %) 记录损坏罚款。', v_last_borrower_student_id;
-- 触发器 trg_freeze_account
ELSE
RAISE NOTICE '未找到该书的最后借阅人，或为馆藏期间损坏。';
END IF;
END $$;
-- C. 图书下架 (例如，图书过于陈旧或残破不再流通)
UPDATE books
SET status = 'removed', available_copies = 0
WHERE isbn = 'ISBN_TO_BE_REMOVED';
----------------------------------------------------------------------
-- (6). 设置和管理罚款规则 (主要通过 system_settings 表)
----------------------------------------------------------------------
-- A. 查看当前罚款规则
SELECT * FROM system_settings WHERE setting_key LIKE 'fine%';
-- B. 修改每日逾期罚款金额
UPDATE system_settings
SET setting_value = '0.30' -- 修改为每天0.3元
WHERE setting_key = 'fine_per_day';
-- C. 修改欠款冻结账户的阈值
UPDATE system_settings
SET setting_value = '15.00' -- 修改为欠款15元冻结
WHERE setting_key = 'freeze_threshold';
-- D. 添加新的罚款规则 (如果系统支持更复杂的规则，可能需要修改表结构或增加新表)
-- 当前设计下，罚款规则比较简单，主要就是每日费率。
----------------------------------------------------------------------
-- (7). 生成各类统计报表 (主要使用视图和聚合查询)
----------------------------------------------------------------------
-- A. 查看热门图书 (借阅量前20，使用视图)
SELECT * FROM v_hot_books;
-- B. 查看各院系借阅统计 (使用视图)
SELECT * FROM v_dept_borrow_stats;
-- C. 查看图书逾期情况 (使用视图)
SELECT vd.*, b.title AS book_title, s.name AS student_name, s.phone AS student_phone
FROM v_overdue_details vd
JOIN books b ON vd.book_id = b.book_id
JOIN students s ON vd.student_id = s.student_id;
-- D. 自定义报表：某一时段内各类图书的借阅次数
SELECT
b.classification_no,
COUNT(br.borrow_id) AS borrow_count
FROM borrow_records br
JOIN books b ON br.book_id = b.book_id
WHERE br.borrow_date BETWEEN '2025-01-01' AND '2025-12-31' -- 示例时间段
GROUP BY b.classification_no
ORDER BY borrow_count DESC;
-- E. 自定义报表：每月借阅总量趋势
SELECT
to_char(borrow_date, 'YYYY-MM') AS borrow_month,
COUNT(borrow_id) AS total_borrows
FROM borrow_records
GROUP BY borrow_month
ORDER BY borrow_month;
-- F. 调用存储过程生成定期报表 (如果 sp_generate_circulation_stats 是设计为手动触发的)
-- SELECT sp_generate_circulation_stats();
-- 然后查询报表数据
-- SELECT * FROM circulation_stats ORDER BY stat_date DESC;
----------------------------------------------------------------------
-- (8). 系统参数设置 (主要通过 system_settings 表)
----------------------------------------------------------------------
-- A. 查看所有系统参数
SELECT * FROM system_settings;
-- B. 修改默认最大借阅量
UPDATE system_settings
SET setting_value = '8'
WHERE setting_key = 'max_borrow_default';
-- 注意：这只影响未来新建学生账户的默认值，或在 sp_init_students 中使用此值批量更新。
-- 已有学生的 max_borrow 需要单独修改，或在初始化脚本中覆盖。
-- C. 修改默认借阅期限（天数）
UPDATE system_settings
SET setting_value = '25'
WHERE setting_key = 'borrow_duration_days';
-- D. 修改最大续借次数
UPDATE system_settings
SET setting_value = '1'
WHERE setting_key = 'max_renew_times';
-- E. 修改预约保留天数
UPDATE system_settings
SET setting_value = '2'
WHERE setting_key = 'reservation_expiry_days';
-- F. 添加新的系统参数 (如果应用需要)
-- INSERT INTO system_settings (setting_key, setting_value)
-- VALUES ('new_feature_xyz_enabled', 'true');

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-- 查询验证触发器效果
---------- 查询验证 ----------
-- 1. 书籍可借数量和学生当前借阅量 (应由 trg_sync_book_student 更新):
SELECT book_id, title, total_copies, available_copies FROM books WHERE book_id <= 7;
SELECT student_id, name, max_borrow, current_borrow, account_status FROM students WHERE student_id <= 5;
-- 2. 孙七 (S2023005) 的罚款记录 (应有 trg_calc_fine 生成的逾期罚款 和 手动添加的罚款):
SELECT f.*, s.name as student_name
FROM fines f JOIN students s ON f.student_id = s.student_id
WHERE s.stu_no = 'S2023005';
-- 3. 孙七 (S2023005) 的账户状态 (应由 trg_freeze_account 根据总欠款更新):
SELECT stu_no, name, account_status, current_borrow
FROM students
WHERE stu_no = 'S2023005';
-- 4. 查看热门图书视图:
SELECT * FROM v_hot_books;
-- 5. 查看院系借阅统计视图:
SELECT * FROM v_dept_borrow_stats;
-- 6. 查看逾期详情视图:
SELECT od.*, b.title, s.name as student_name
FROM v_overdue_details od
JOIN books b ON od.book_id = b.book_id
JOIN students s ON od.student_id = s.student_id;
-- 测试数据插入完毕。

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/* ---------- 基础设置 ---------- */
CREATE SCHEMA IF NOT EXISTS library;
SET search_path TO library,public;
/* ---------- ENUM 类型 ---------- */
CREATE TYPE gender_enum AS ENUM ('M','F','O');
CREATE TYPE book_status_enum AS ENUM ('normal','lost','damaged','removed');
CREATE TYPE borrow_status_enum AS ENUM ('borrowed','returned','overdue','lost');
CREATE TYPE reserve_status_enum AS ENUM ('waiting','available','cancelled','expired');
CREATE TYPE acct_status_enum AS ENUM ('active','reported','frozen');
/* ---------- 系统参数表 ---------- */
CREATE TABLE system_settings (
setting_key text PRIMARY KEY,
setting_value text NOT NULL
);
/* 罚款费率、冻结阈值等默认值 */
INSERT INTO system_settings(setting_key,setting_value) VALUES
('fine_per_day', '0.50'), -- 每本书每日罚款金额
('freeze_threshold', '20.00'), -- 欠款 ≥ 此值自动冻结
('max_borrow_default', '10'); -- 默认最大借阅量
/* ---------- 图书信息 ---------- */
CREATE TABLE books (
book_id bigserial PRIMARY KEY,
isbn varchar(13) UNIQUE NOT NULL,
title text NOT NULL,
authors text[] NOT NULL,
publisher text,
publish_date date,
price numeric(10,2),
classification_no varchar(64),
location varchar(255),
total_copies int NOT NULL DEFAULT 1 CHECK(total_copies>0),
available_copies int NOT NULL DEFAULT 1 CHECK(available_copies>=0),
status book_status_enum NOT NULL DEFAULT 'normal',
description text,
cover_url text,
created_at timestamptz DEFAULT now(),
updated_at timestamptz DEFAULT now()
);
/* ---------- 帮助函数：按键名返回 int 型系统参数 ---------- */
CREATE OR REPLACE FUNCTION library.get_setting_int(p_key text)
RETURNS int
LANGUAGE sql
STABLE -- ← 允许做 DEFAULT
AS $$
SELECT setting_value::int
FROM library.system_settings
WHERE setting_key = p_key;
$$;
/* ---------- 学生信息 ---------- */
CREATE TABLE library.students (
student_id bigserial PRIMARY KEY,
stu_no varchar(20) UNIQUE NOT NULL, -- 学号
name varchar(64) NOT NULL,
gender gender_enum,
department varchar(128),
major varchar(128),
grade varchar(10),
class varchar(50),
phone varchar(20),
email varchar(255),
account_status acct_status_enum NOT NULL DEFAULT 'active',
max_borrow int NOT NULL
DEFAULT library.get_setting_int('max_borrow_default'),
current_borrow int NOT NULL DEFAULT 0,
created_at timestamptz DEFAULT now()
);
/* ---------- 管理员信息 ---------- */
CREATE TABLE admins (
admin_id bigserial PRIMARY KEY,
emp_no varchar(20) UNIQUE NOT NULL,
name varchar(64) NOT NULL,
position varchar(64),
phone varchar(20),
privilege_lv int NOT NULL DEFAULT 1,
created_at timestamptz DEFAULT now()
);
/* ---------- 借阅记录 ---------- */
CREATE TABLE borrow_records (
borrow_id bigserial PRIMARY KEY,
book_id bigint REFERENCES books(book_id) ON DELETE CASCADE,
student_id bigint REFERENCES students(student_id) ON DELETE CASCADE,
borrow_date date NOT NULL DEFAULT current_date,
due_date date NOT NULL,
return_date date,
renew_times int NOT NULL DEFAULT 0,
status borrow_status_enum NOT NULL DEFAULT 'borrowed',
fine_amount numeric(10,2) NOT NULL DEFAULT 0
);
/* ---------- 图书预约 ---------- */
CREATE TABLE reservations (
reservation_id bigserial PRIMARY KEY,
book_id bigint REFERENCES books(book_id) ON DELETE CASCADE,
student_id bigint REFERENCES students(student_id) ON DELETE CASCADE,
reserve_date date NOT NULL DEFAULT current_date,
status reserve_status_enum NOT NULL DEFAULT 'waiting'
);
/* ---------- 图书评价 ---------- */
CREATE TABLE reviews (
review_id bigserial PRIMARY KEY,
book_id bigint REFERENCES books(book_id) ON DELETE CASCADE,
student_id bigint REFERENCES students(student_id) ON DELETE CASCADE,
rating int NOT NULL CHECK(rating BETWEEN 1 AND 5),
content text,
review_time timestamptz DEFAULT now(),
UNIQUE(book_id,student_id) -- 一人一书仅一次评价
);
/* ---------- 罚款记录 ---------- */
CREATE TABLE fines (
fine_id bigserial PRIMARY KEY,
student_id bigint REFERENCES students(student_id) ON DELETE CASCADE,
amount numeric(10,2) NOT NULL CHECK(amount>0),
reason text,
status varchar(10) NOT NULL CHECK(status IN ('unpaid','paid')),
issue_date date NOT NULL DEFAULT current_date,
admin_id bigint REFERENCES admins(admin_id)
);
/* ---------- 拓展 ---------- */
CREATE EXTENSION IF NOT EXISTS pg_trgm WITH SCHEMA public;
/* ---------- 索引 ---------- */
CREATE INDEX idx_books_title_trgm
ON library.books USING gin (title gin_trgm_ops);
CREATE INDEX idx_books_authors_gin
ON library.books USING gin (authors);
CREATE INDEX idx_br_student_status ON borrow_records(student_id,status);
CREATE INDEX idx_reserve_book_wait ON reservations(status,book_id);
CREATE INDEX idx_fines_student_unpaid ON fines(student_id) WHERE status='unpaid';
/* 要使用 trigram GIN 索引需启用扩展 */
CREATE EXTENSION IF NOT EXISTS pg_trgm;
/* ---------- 触发器函数 ---------- */
/* 1. 更新可借数量 & 学生当前借阅量 */
CREATE OR REPLACE FUNCTION trg_sync_book_student() RETURNS TRIGGER AS $$
BEGIN
-- 更新图书可借册数
UPDATE books SET available_copies = total_copies -
(SELECT count(*) FROM borrow_records
WHERE book_id = COALESCE(NEW.book_id,OLD.book_id)
AND status IN ('borrowed','overdue'))
WHERE book_id = COALESCE(NEW.book_id,OLD.book_id);
-- 更新学生当前借阅量
UPDATE students SET current_borrow =
(SELECT count(*) FROM borrow_records
WHERE student_id = COALESCE(NEW.student_id,OLD.student_id)
AND status IN ('borrowed','overdue'))
WHERE student_id = COALESCE(NEW.student_id,OLD.student_id);
RETURN NULL;
END; $$ LANGUAGE plpgsql;
/* 2. 归还时自动计算并记账罚款 */
CREATE OR REPLACE FUNCTION trg_calc_fine() RETURNS TRIGGER AS $$
DECLARE
days_overdue int;
rate numeric(10,2) := (SELECT setting_value::numeric FROM system_settings WHERE setting_key='fine_per_day');
BEGIN
IF TG_OP='UPDATE' AND NEW.status='returned' AND OLD.status IN ('borrowed','overdue') THEN
days_overdue := GREATEST((NEW.return_date - NEW.due_date),0);
IF days_overdue > 0 THEN
INSERT INTO fines(student_id,amount,reason,status,admin_id)
VALUES (NEW.student_id, days_overdue*rate,
format('Overdue %s days for borrow_id=%s',days_overdue,NEW.borrow_id),
'unpaid', NULL);
END IF;
END IF;
RETURN NEW;
END; $$ LANGUAGE plpgsql;
/* 3. 欠款超阈值自动冻结账户 */
CREATE OR REPLACE FUNCTION library.trg_freeze_account() RETURNS TRIGGER AS $$
DECLARE
total_unpaid numeric(10,2);
threshold numeric(10,2);
v_relevant_student_id bigint;
v_current_status library.acct_status_enum;
v_new_status library.acct_status_enum;
BEGIN
-- 1. 获取最新的冻结阈值
SELECT setting_value::numeric INTO threshold
FROM library.system_settings
WHERE setting_key = 'freeze_threshold';
IF NOT FOUND THEN
RAISE WARNING 'System setting "freeze_threshold" not found. Account status will not be updated by trigger.';
RETURN NULL; -- 或者 RAISE EXCEPTION;
END IF;
-- 2. 确定相关的学生ID
IF TG_OP = 'DELETE' THEN
v_relevant_student_id := OLD.student_id;
ELSE -- INSERT or UPDATE
v_relevant_student_id := NEW.student_id;
END IF;
-- 如果没有相关的学生ID（理论上不应发生，因为student_id是FK且NOT NULL），则退出
IF v_relevant_student_id IS NULL THEN
RAISE WARNING 'trg_freeze_account: No relevant student_id found. TG_OP: %', TG_OP;
RETURN NULL;
END IF;
-- 3. 计算该学生未缴罚款总额
SELECT COALESCE(sum(amount),0) INTO total_unpaid
FROM library.fines
WHERE student_id = v_relevant_student_id AND status = 'unpaid';
-- 4. 获取学生当前账户状态
SELECT account_status INTO v_current_status
FROM library.students
WHERE student_id = v_relevant_student_id;
-- 5. 根据罚款确定新的目标状态
-- 注意：原始逻辑是，如果欠款低于阈值，则账户变为 'active'。
-- 这意味着如果账户之前是 'reported'（挂失），且欠款低于阈值，它也会被此触发器改为 'active'。
-- 如果希望 'reported' 状态不受此罚款逻辑影响（除非因欠款被冻结），则需要更复杂的判断。
-- 此处保持与你原触发器相似的逻辑，仅修复类型问题并优化。
IF total_unpaid >= threshold THEN
v_new_status := 'frozen'::library.acct_status_enum;
ELSE
-- 如果当前已经是 'frozen'，则解冻为 'active'
-- 如果当前不是 'frozen' (比如是 'active' 或 'reported')，且欠款未超限，则应保持其原状态，
-- 而不是都强制变为 'active'。
-- 为了更安全地处理 'reported' 状态，我们修改这里的逻辑：
IF v_current_status = 'frozen'::library.acct_status_enum THEN
v_new_status := 'active'::library.acct_status_enum;
ELSE
v_new_status := v_current_status; -- 保持现有状态 (active 或 reported)
END IF;
END IF;
-- 6. 如果计算出的新状态与当前状态不同，则更新学生账户状态
IF v_current_status IS DISTINCT FROM v_new_status THEN
UPDATE library.students
SET account_status = v_new_status
WHERE student_id = v_relevant_student_id;
END IF;
RETURN NULL; -- AFTER 触发器通常返回 NULL
END;
$$ LANGUAGE plpgsql;
/* ---------- 触发器绑定 ---------- */
CREATE TRIGGER trg_borrow_sync_aiud
AFTER INSERT OR UPDATE OR DELETE ON borrow_records
FOR EACH ROW EXECUTE FUNCTION trg_sync_book_student();
CREATE TRIGGER trg_borrow_calc_fine_upd
AFTER UPDATE ON borrow_records
FOR EACH ROW EXECUTE FUNCTION trg_calc_fine();
CREATE TRIGGER trg_fine_freeze_aiud
AFTER INSERT OR UPDATE OR DELETE ON fines
FOR EACH ROW EXECUTE FUNCTION trg_freeze_account();
/* ---------- 视图 ---------- */
/* (1) 当前热门图书：借阅量前 20 */
CREATE OR REPLACE VIEW v_hot_books AS
SELECT b.book_id, b.isbn, b.title,
COUNT(br.borrow_id) AS borrow_cnt
FROM books b
JOIN borrow_records br ON br.book_id = b.book_id
GROUP BY b.book_id
ORDER BY borrow_cnt DESC
LIMIT 20;
/* (2) 各院系借阅统计 */
CREATE OR REPLACE VIEW v_dept_borrow_stats AS
SELECT s.department,
COUNT(br.borrow_id) AS total_borrows,
COUNT(DISTINCT br.student_id) AS unique_readers
FROM borrow_records br
JOIN students s ON s.student_id = br.student_id
GROUP BY s.department
ORDER BY total_borrows DESC;
/* (3) 图书逾期情况 */
CREATE OR REPLACE VIEW v_overdue_details AS
SELECT br.borrow_id, br.book_id, br.student_id,
br.due_date, CURRENT_DATE - br.due_date AS days_overdue
FROM borrow_records br
WHERE br.status='overdue';
/* ---------- 存储过程（plpgsql 函数） ---------- */
/* 1. 学期初批量初始化学生账户
- 示例：EXECUTE library.sp_init_students('2025-Fall');
*/
CREATE OR REPLACE FUNCTION sp_init_students(term_code text)
RETURNS void LANGUAGE plpgsql AS $$
BEGIN
-- 示例逻辑：所有学生 current_borrow 清零、状态激活
UPDATE students SET current_borrow=0, account_status='active';
RAISE NOTICE 'Students initialized for %', term_code;
END; $$;
/* 2. 定期生成图书流通统计（存入自定义表） */
CREATE TABLE IF NOT EXISTS circulation_stats (
stat_date date PRIMARY KEY,
total_borrows bigint,
unique_readers bigint,
created_at timestamptz DEFAULT now()
);
CREATE OR REPLACE FUNCTION sp_generate_circulation_stats()
RETURNS void LANGUAGE plpgsql AS $$
BEGIN
INSERT INTO circulation_stats(stat_date,total_borrows,unique_readers)
SELECT CURRENT_DATE,
(SELECT COUNT(*) FROM borrow_records WHERE borrow_date=CURRENT_DATE),
(SELECT COUNT(DISTINCT student_id) FROM borrow_records WHERE borrow_date=CURRENT_DATE);
END; $$;
/* 3. 自动发送逾期提醒（示例写入提醒表） */
CREATE TABLE IF NOT EXISTS overdue_notices (
notice_id bigserial PRIMARY KEY,
borrow_id bigint,
student_id bigint,
notice_time timestamptz DEFAULT now()
);
CREATE OR REPLACE FUNCTION sp_send_overdue_notices()
RETURNS void LANGUAGE plpgsql AS $$
BEGIN
INSERT INTO overdue_notices(borrow_id,student_id)
SELECT br.borrow_id, br.student_id
FROM borrow_records br
WHERE br.status='overdue'
AND NOT EXISTS (SELECT 1 FROM overdue_notices onot WHERE onot.borrow_id=br.borrow_id);
END; $$;
/* ---------- 完成 ---------- */
COMMENT ON SCHEMA library IS '智能图书管理系统数据库架构（2025-06-21）';

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SET search_path TO library, public;
-- 清理可能存在的旧数据（可选，测试时方便重跑）
-- 请注意，CASCADE 会删除关联数据，请谨慎在生产环境使用
DELETE FROM fines;
DELETE FROM reviews;
DELETE FROM reservations;
DELETE FROM borrow_records;
DELETE FROM admins;
DELETE FROM students;
DELETE FROM books;
DELETE FROM system_settings WHERE setting_key NOT IN ('fine_per_day', 'freeze_threshold', 'max_borrow_default'); -- 保留核心设置
-- 0. 系统参数 (你已插入，这里可以补充更多，如果需要)
INSERT INTO system_settings(setting_key, setting_value) VALUES
('max_renew_times', '2'), -- 最大续借次数
('borrow_duration_days', '30'), -- 默认借阅时长（天）
('reservation_expiry_days', '3'), -- 预约保留天数
('admin_default_password_hash', 'xxxx'); -- 示例：管理员默认密码哈希
-- ON CONFLICT (setting_key) DO UPDATE SET setting_value = EXCLUDED.setting_value; -- 如果要允许更新
-- 1. 管理员信息 (Admins)
INSERT INTO admins (emp_no, name, position, phone, privilege_lv) VALUES
('A001', '张管理', '馆长', '13800138000', 0), -- 最高权限
('A002', '李协助', '图书管理员', '13900139000', 1),
('A003', '王登记', '流通部职员', '13700137000', 2);
-- 2. 图书信息 (Books)
-- 注意: available_copies 初始设为 total_copies，后续借阅会通过触发器减少
INSERT INTO books (isbn, title, authors, publisher, publish_date, price, classification_no, location, total_copies, available_copies, status, description, cover_url) VALUES
('9787111624927', '深入理解计算机系统', ARRAY['Randal E. Bryant', 'David R. O''Hallaron'], '机械工业出版社', '2019-05-01', 139.00, 'TP301', 'A区2架3层', 10, 10, 'normal', '计算机系统的经典之作。', 'http://example.com/cover1.jpg'),
('9787030598007', '数学之美', ARRAY['吴军'], '科学出版社', '2020-01-01', 68.00, 'O1', 'B区1架1层', 15, 15, 'normal', '通俗易懂的数学科普读物。', 'http://example.com/cover2.jpg'),
('9787544270878', '百年孤独', ARRAY['加西亚·马尔克斯'], '南海出版公司', '2011-06-01', 39.50, 'I775.45', 'C区5架2层', 8, 8, 'normal', '魔幻现实主义文学的代表作。', 'http://example.com/cover3.jpg'),
('9787115478850', 'Python编程：从入门到实践', ARRAY['Eric Matthes'], '人民邮电出版社', '2018-03-01', 89.00, 'TP312PY', 'A区3架1层', 12, 12, 'normal', 'Python入门畅销书。', 'http://example.com/cover4.jpg'),
('9787508647009', '人类简史：从动物到上帝', ARRAY['尤瓦尔·赫拉利'], '中信出版社', '2014-11-01', 68.00, 'K02', 'D区1架1层', 20, 20, 'normal', '一部宏大的人类发展史。', 'http://example.com/cover5.jpg'),
('9787532767406', '追风筝的人', ARRAY['卡勒德·胡赛尼'], '上海人民出版社', '2006-05-01', 29.00, 'I712.45', 'C区4架3层', 7, 7, 'normal', '关于爱、友谊、背叛和救赎的故事。', 'http://example.com/cover6.jpg'),
('9787121362308', 'Java核心技术 卷I', ARRAY['Cay S. Horstmann'], '电子工业出版社', '2019-06-01', 128.00, 'TP312JA', 'A区3架2层', 5, 0, 'normal', 'Java经典教材，目前全部被借出，用于测试预约。', 'http://example.com/cover7.jpg'), -- 特意设置 available_copies 为 0
('9787208159659', '三体全集', ARRAY['刘慈欣'], '重庆出版社', '2019-01-01', 168.00, 'I247.5', 'C区6架1层', 3, 3, 'damaged', '科幻巨作，其中一本有损坏。', 'http://example.com/cover8.jpg'),
('9787559620187', '明朝那些事儿 (套装全7册)', ARRAY['当年明月'], '北京联合出版公司', '2017-08-01', 258.00, 'K248', 'D区2架1层', 6, 6, 'normal', '通俗易懂的明史。', 'http://example.com/cover9.jpg'),
('9787111600815', '算法导论 (原书第3版)', ARRAY['Thomas H. Cormen'], '机械工业出版社', '2012-12-01', 128.00, 'TP301.6', 'A区2架4层', 9, 9, 'normal', '算法领域的圣经。', 'http://example.com/cover10.jpg'),
('9780132350884', 'Clean Code', ARRAY['Robert C. Martin'], 'Prentice Hall', '2008-08-01', 50.00, 'TP311.1', 'A区1架5层', 4, 4, 'removed', '一本已下架的书，测试状态。', 'http://example.com/cover11.jpg');
-- 3. 学生信息 (Students)
-- max_borrow 使用默认值（通过 get_setting_int('max_borrow_default') 获取，即10）
-- current_borrow 初始为0，会由触发器更新
INSERT INTO students (stu_no, name, gender, department, major, grade, class, phone, email, account_status) VALUES
('S2023001', '张三', 'M', '计算机学院', '软件工程', '2023', '01班', '13512345671', 'zhangsan@example.com', 'active'),
('S2023002', '李四', 'F', '计算机学院', '人工智能', '2023', '02班', '13512345672', 'lisi@example.com', 'active'),
('S2022003', '王五', 'M', '外国语学院', '英语', '2022', '01班', '13512345673', 'wangwu@example.com', 'active'),
('S2021004', '赵六', 'F', '经济管理学院', '工商管理', '2021', '03班', '13512345674', 'zhaoliu@example.com', 'active'),
('S2023005', '孙七', 'M', '计算机学院', '软件工程', '2023', '01班', '13512345675', 'sunqi@example.com', 'reported'), -- 测试挂失状态
('S2022006', '周八', 'F', '人文学院', '历史学', '2022', '02班', '13512345676', 'zhouba@example.com', 'active'),
('S2021007', '吴九', 'M', '理学院', '数学与应用数学', '2021', '01班', '13512345677', 'wujiu@example.com', 'active'),
('S2023008', '郑十', 'F', '计算机学院', '网络工程', '2023', '03班', '13512345678', 'zhengshi@example.com', 'active');
-- 修改一个学生的 max_borrow，测试非默认值
UPDATE students SET max_borrow = 15 WHERE stu_no = 'S2023001';
UPDATE students SET max_borrow = 5 WHERE stu_no = 'S2021004'; -- 用于测试借阅上限
-- 4. 借阅记录 (Borrow Records)
-- book_id 和 student_id 需要引用已存在的 ID
-- due_date = borrow_date + (SELECT setting_value::int FROM system_settings WHERE setting_key = 'borrow_duration_days')
-- fine_amount 初始为0, 逾期归还将由触发器在 fines 表中记录罚款
-- 触发器 trg_sync_book_student 会在每次插入/更新/删除后执行
-- 获取 book_id 和 student_id 的示例 (实际使用时，你可能需要根据书名/学号查询得到)
-- SELECT book_id FROM books WHERE isbn = '9787111624927'; -- 1
-- SELECT student_id FROM students WHERE stu_no = 'S2023001'; -- 1
-- 借阅场景 1: 正常借出，未到期
INSERT INTO borrow_records (book_id, student_id, borrow_date, due_date, status) VALUES
(1, 1, current_date - interval '10 days', current_date - interval '10 days' + interval '30 days', 'borrowed'), -- 张三借《深入理解计算机系统》
(2, 2, current_date - interval '5 days', current_date - interval '5 days' + interval '30 days', 'borrowed'); -- 李四借《数学之美》
-- 借阅场景 2: 正常借出，今天到期
INSERT INTO borrow_records (book_id, student_id, borrow_date, due_date, status) VALUES
(3, 1, current_date - interval '30 days', current_date, 'borrowed'); -- 张三借《百年孤独》，今天到期
-- 借阅场景 3: 已逾期，未归还
INSERT INTO borrow_records (book_id, student_id, borrow_date, due_date, status) VALUES
(4, 3, current_date - interval '40 days', current_date - interval '10 days', 'overdue'); -- 王五借《Python编程》，已逾期10天
-- 借阅场景 4: 正常归还 (触发器 trg_calc_fine 不会产生罚款)
INSERT INTO borrow_records (book_id, student_id, borrow_date, due_date, return_date, status) VALUES
(5, 4, current_date - interval '20 days', current_date + interval '10 days', current_date - interval '2 days', 'returned'); -- 赵六借《人类简史》，已按时归还
-- 借阅场景 5: 逾期归还 (为了测试 trg_calc_fine，先插入为逾期，再UPDATE为归还)
-- 步骤A: 先插入一条记录，状态为 'overdue' (或者 'borrowed' 但实际已过 due_date)
INSERT INTO borrow_records (book_id, student_id, borrow_date, due_date, status)
VALUES (6, 5, current_date - interval '35 days', current_date - interval '5 days', 'overdue'); -- 孙七借《追风筝的人》
-- 记录下这条 borrow_id (假设是 6，根据实际情况调整)
-- 步骤B: 更新这条记录为 'returned'，这将触发 trg_calc_fine
-- UPDATE borrow_records
-- SET status = 'returned', return_date = current_date
-- WHERE borrow_id = (SELECT borrow_id FROM borrow_records WHERE student_id=5 AND book_id=6 AND status='overdue');
-- (该update放到下面演示触发器部分)
-- 借阅场景 6: 书籍遗失
INSERT INTO borrow_records (book_id, student_id, borrow_date, due_date, status) VALUES
(9, 6, current_date - interval '15 days', current_date + interval '15 days', 'lost'); -- 周八借《明朝那些事儿》，遗失
-- 5. 图书预约 (Reservations)
-- 只能预约 available_copies = 0 的书
-- (book_id=7, 'Java核心技术 卷I', available_copies 初始为0)
INSERT INTO reservations (book_id, student_id, reserve_date, status) VALUES
(7, 1, current_date - interval '2 days', 'waiting'), -- 张三预约《Java核心技术》
(7, 2, current_date - interval '1 day', 'waiting'); -- 李四预约《Java核心技术》
-- 假设一本被预约的书有归还了，管理员将其状态改为可取
-- UPDATE reservations SET status = 'available' WHERE book_id = 7 AND student_id = 1;
-- 6. 图书评价 (Reviews)
-- 学生通常评价已借阅过的书
INSERT INTO reviews (book_id, student_id, rating, content, review_time) VALUES
(5, 4, 5, '《人类简史》这本书太棒了，视角独特，值得一读！', now() - interval '1 day'), -- 赵六评价《人类简史》
(1, 1, 4, '《深入理解计算机系统》有点难，但很有收获。', now()), -- 张三评价
(2, 2, 5, '《数学之美》让我对数学有了新的认识。', now()); -- 李四评价
-- 尝试插入重复评价（应失败，因为有UNIQUE约束）
-- INSERT INTO reviews (book_id, student_id, rating, content, review_time) VALUES
-- (5, 4, 3, '第二次评价，内容一般。', now());
-- 7. 罚款记录 (Fines)
-- 部分罚款会由 trg_calc_fine 自动生成 (当逾期借阅记录更新为 'returned' 时)
-- 手动添加一些罚款记录：
-- 罚款场景1: 图书损坏 (假设管理员A002处理)
INSERT INTO fines (student_id, amount, reason, status, issue_date, admin_id) VALUES
( (SELECT student_id FROM students WHERE stu_no = 'S2022003'), -- 王五
20.00,
'损坏图书《Python编程》(ISBN:9787115478850)',
'unpaid',
current_date - interval '1 day',
(SELECT admin_id FROM admins WHERE emp_no = 'A002')
);
-- 罚款场景2: 图书遗失 (假设管理员A002处理)
-- 对应 borrow_records 中周八遗失的《明朝那些事儿》
INSERT INTO fines (student_id, amount, reason, status, issue_date, admin_id) VALUES
( (SELECT student_id FROM students WHERE stu_no = 'S2022006'), -- 周八
(SELECT price FROM books WHERE isbn = '9787559620187'), -- 按书价赔偿
'遗失图书《明朝那些事儿》(ISBN:9787559620187)',
'unpaid',
current_date,
(SELECT admin_id FROM admins WHERE emp_no = 'A002')
);
-- 罚款场景3: 之前的逾期罚款，已缴纳
INSERT INTO fines (student_id, amount, reason, status, issue_date, admin_id) VALUES
( (SELECT student_id FROM students WHERE stu_no = 'S2021007'), -- 吴九
5.50,
'图书逾期11天 (旧记录)',
'paid',
current_date - interval '60 days',
(SELECT admin_id FROM admins WHERE emp_no = 'A003')
);
----------------------------------------------------
-- 测试触发器 trg_calc_fine 和 trg_freeze_account
----------------------------------------------------
DO $$
DECLARE
v_student_id_sunqi bigint;
v_borrow_id_sunqi bigint;
v_fine_per_day numeric;
v_days_overdue int;
v_expected_fine numeric;
BEGIN
-- 获取孙七的 student_id
SELECT student_id INTO v_student_id_sunqi FROM students WHERE stu_no = 'S2023005';
-- 获取孙七之前插入的逾期借阅记录 (book_id=6, 追风筝的人)
SELECT borrow_id INTO v_borrow_id_sunqi
FROM borrow_records
WHERE student_id = v_student_id_sunqi AND book_id = (SELECT book_id FROM books WHERE isbn='9787532767406') AND status = 'overdue';
RAISE NOTICE '孙七(ID:%)的借阅记录ID: % 将被更新为已归还。', v_student_id_sunqi, v_borrow_id_sunqi;
-- 模拟孙七归还之前逾期的书 (book_id=6, 《追风筝的人》)
-- 这将触发 trg_calc_fine
UPDATE borrow_records
SET status = 'returned', return_date = current_date
WHERE borrow_id = v_borrow_id_sunqi;
RAISE NOTICE '已更新孙七的借阅记录。现在检查 fines 表是否自动产生罚款记录...';
-- trg_calc_fine 会根据 borrow_records 中的 due_date 和 return_date 计算罚款并插入 fines 表
-- 假设罚款汇率是 0.5/天，逾期5天，罚款应为 2.50
-- (current_date - (current_date - interval '5 days')) * 0.50
SELECT setting_value::numeric INTO v_fine_per_day FROM system_settings WHERE setting_key = 'fine_per_day';
SELECT (current_date - (SELECT due_date FROM borrow_records WHERE borrow_id = v_borrow_id_sunqi)) INTO v_days_overdue;
v_expected_fine := v_days_overdue * v_fine_per_day;
RAISE NOTICE '预期罚款金额: % * % = %', v_days_overdue, v_fine_per_day, v_expected_fine;
-- 检查孙七的账户状态是否因为罚款超过阈值 (默认20) 而被冻结
-- trg_freeze_account 会在 fines 表 INSERT/UPDATE/DELETE 后触发
RAISE NOTICE '检查孙七账户是否因罚款自动冻结...';
-- 如果孙七的罚款 (例如 2.50) 没有超过 freeze_threshold (默认20.00)，账户不会冻结。
-- 我们再为孙七手动添加一笔大额罚款，使其总欠款超过阈值
IF (SELECT sum(amount) FROM fines WHERE student_id = v_student_id_sunqi AND status = 'unpaid') < (SELECT setting_value::numeric FROM system_settings WHERE setting_key = 'freeze_threshold') THEN
RAISE NOTICE '孙七当前未付罚款未达冻结阈值，为其添加一笔大额罚款...';
INSERT INTO fines (student_id, amount, reason, status, issue_date, admin_id) VALUES
(v_student_id_sunqi, 25.00, '严重损坏图书赔偿', 'unpaid', current_date, (SELECT admin_id FROM admins WHERE emp_no='A001'));
RAISE NOTICE '已为孙七添加大额罚款，再次检查账户状态。';
END IF;
END $$;

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1. 数据库设计
设计一个关系型数据库，可包含以下实体及属性：
(1). 图书信息：ISBN、书名、作者、出版社、出版日期、价格、分类号、馆藏位置、总册数、可借册数、图书状态（正常/遗失/损坏/下架等）、简介、封面图片URL
(2). 学生信息：学号、姓名、性别、院系、专业、年级、班级、联系方式、邮箱、账户状态（正常/挂失/冻结）、最大借阅量、当前借阅量
(3). 借阅记录：借阅ID、图书ID、学号、借出日期、应还日期、实际归还日期、续借次数、借阅状态（借出/已还/逾期/遗失等）、罚款金额
(4). 管理员信息：工号、姓名、职位、联系方式、权限等级
(5). 图书预约：预约ID、图书ID、学号、预约日期、预约状态（等待/可取/取消/过期）
(6). 图书评价：评价ID、图书ID、学号、评分、评论内容、评论时间
(7). 罚款记录：记录ID、学号、金额、产生原因、缴纳状态、产生日期、处理管理员
2. 功能需求
学生功能：
(1). 多条件组合查询图书（按书名、作者、分类、ISBN等）
(2). 查看图书详情及当前可借状态
(3). 在线预约热门图书（当所有副本都被借出时）
(4). 查看个人借阅历史、当前借阅情况和预约状态
(5). 在线续借图书（有限制条件）
(6). 查看和缴纳罚款
(7). 对已借阅图书进行评分和评论
(8). 查看图书推荐（如基于热门被借阅图书）
管理员功能：
(1). 图书信息管理（增删改查、批量导入）
(2). 学生账户管理
(3). 处理借阅、归还、续借请求
(4). 管理预约队列
(5). 处理图书遗失、损坏等异常情况
(6). 设置和管理罚款规则
(7). 生成各类统计报表（借阅量统计、热门图书、逾期分析等）
(8). 系统参数设置（如最大借阅量、借阅期限等）
3. 高级功能要求
(1). 设计触发器实现以下功能：
o 自动更新图书的可借数量
o 自动计算并记录逾期罚款
o 学生账户状态自动更新（如欠款超过阈值自动冻结）
(2). 设计存储过程实现：
o 批量处理学期初的学生账户初始化
o 定期生成图书流通统计报表
o 自动发送逾期提醒
(3). 设计视图：
o 当前热门图书视图（借阅量前20）
o 各院系借阅统计视图
o 图书逾期情况视图
(4). 设计索引优化查询性能（选做）

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-- 假设当前操作的学生是 张三 (学号 S2023001)，我们先获取其 student_id
-- 在实际应用中，这个 ID 通常来自登录会话
DO $$
DECLARE
v_student_id bigint;
BEGIN
SELECT student_id INTO v_student_id FROM students WHERE stu_no = 'S2023001';
-- 将 v_student_id 设为会话级变量，方便后续查询使用
-- 注意: 这是一种在 psql 或特定SQL工具中设置变量的方式，
-- 在应用代码中，你会直接使用从会话中获取的 student_id 变量。
EXECUTE 'SET app.current_student_id = ' || v_student_id;
EXCEPTION
WHEN NO_DATA_FOUND THEN
RAISE NOTICE '学生 S2023001 未找到。请确保测试数据已插入。';
-- 或者你可以在这里直接硬编码一个存在的 student_id 用于测试
-- EXECUTE 'SET app.current_student_id = 1';
END $$;
-- 如果上面的 DO $$ 块由于环境限制无法执行 SET app.current_student_id，
-- 后续查询中请手动替换 current_setting('app.current_student_id')::bigint 为实际的 student_id (例如 1)
-- (1). 多条件组合查询图书
RAISE NOTICE '---------- (1) 多条件组合查询图书 ----------';
-- 按书名模糊查询 (使用 pg_trgm GIN 索引)
RAISE NOTICE '-- 按书名模糊查询 "计算机":';
SELECT book_id, isbn, title, authors, available_copies
FROM books
WHERE title LIKE '%计算机%' AND status = 'normal';
RAISE NOTICE '-- 按书名精确查询 (如果知道全名):';
SELECT book_id, isbn, title, authors, available_copies
FROM books
WHERE title = '数学之美' AND status = 'normal';
-- 按作者查询 (使用 GIN 索引)
RAISE NOTICE '-- 按作者查询包含 "吴军":';
SELECT book_id, isbn, title, authors, available_copies
FROM books
WHERE authors @> ARRAY['吴军'] AND status = 'normal'; -- '@>' 表示数组包含
-- 按分类号查询
RAISE NOTICE '-- 按分类号查询 "TP301":';
SELECT book_id, isbn, title, authors, classification_no, available_copies
FROM books
WHERE classification_no = 'TP301' AND status = 'normal';
-- 按ISBN精确查询
RAISE NOTICE '-- 按ISBN查询 "9787111624927":';
SELECT book_id, isbn, title, authors, available_copies
FROM books
WHERE isbn = '9787111624927' AND status = 'normal';
-- 组合查询：书名包含 "编程" 且 作者包含 "Eric Matthes"
RAISE NOTICE '-- 组合查询：书名包含 "编程" 且 作者包含 "Eric Matthes":';
SELECT book_id, isbn, title, authors, available_copies
FROM books
WHERE title LIKE '%编程%' AND authors @> ARRAY['Eric Matthes'] AND status = 'normal';
-- (2). 查看图书详情及当前可借状态
RAISE NOTICE '---------- (2) 查看图书详情及当前可借状态 ----------';
-- 假设查看 ISBN 为 '9787111624927' (深入理解计算机系统) 的图书详情
-- 首先获取 book_id
DO $$
DECLARE
v_book_id bigint;
BEGIN
SELECT book_id INTO v_book_id FROM books WHERE isbn = '9787111624927';
EXECUTE 'SET app.current_book_id = ' || v_book_id;
END $$;
RAISE NOTICE '-- 查看图书 (ISBN: 9787111624927) 的详情:';
SELECT
book_id,
isbn,
title,
authors,
publisher,
publish_date,
price,
classification_no,
location,
total_copies,
available_copies,
status,
description,
cover_url,
CASE
WHEN status = 'normal' AND available_copies > 0 THEN '可借阅'
WHEN status = 'normal' AND available_copies = 0 THEN '已全部借出'
ELSE '不可借阅 (' || status::text || ')'
END as borrow_availability
FROM books
WHERE book_id = current_setting('app.current_book_id')::bigint;
-- (3). 在线预约热门图书（当所有副本都被借出时）
RAISE NOTICE '---------- (3) 在线预约热门图书 ----------';
-- 假设要预约的书是 'Java核心技术 卷I' (book_id=7)，其 available_copies 在测试数据中为0
-- 首先确认该书确实没有可借副本
DO $$
DECLARE
v_target_book_id bigint := 7; -- Java核心技术 卷I
v_available int;
BEGIN
SELECT available_copies INTO v_available FROM books WHERE book_id = v_target_book_id AND status = 'normal';
IF v_available = 0 THEN
RAISE NOTICE '-- 图书ID % (Java核心技术 卷I) 当前无可用副本，可以进行预约。';
-- 学生张三 (student_id=1) 进行预约
-- 检查是否已预约过
IF NOT EXISTS (SELECT 1 FROM reservations
WHERE book_id = v_target_book_id
AND student_id = current_setting('app.current_student_id')::bigint
AND status IN ('waiting', 'available'))
THEN
INSERT INTO reservations (book_id, student_id, reserve_date, status)
VALUES (v_target_book_id, current_setting('app.current_student_id')::bigint, current_date, 'waiting');
RAISE NOTICE '-- 学生ID % 已成功预约图书ID %。', current_setting('app.current_student_id')::bigint, v_target_book_id;
ELSE
RAISE NOTICE '-- 学生ID % 已预约过图书ID % 或预约已可取。', current_setting('app.current_student_id')::bigint, v_target_book_id;
END IF;
ELSE
RAISE NOTICE '-- 图书ID % 当前有 % 本可借，无需预约。', v_target_book_id, v_available;
END IF;
END $$;
-- 查看张三的预约记录来确认
RAISE NOTICE '-- 查看学生张三的当前预约:';
SELECT r.reservation_id, b.title, r.reserve_date, r.status
FROM reservations r
JOIN books b ON r.book_id = b.book_id
WHERE r.student_id = current_setting('app.current_student_id')::bigint AND r.status IN ('waiting', 'available');
-- (4). 查看个人借阅历史、当前借阅情况和预约状态
RAISE NOTICE '---------- (4) 查看个人借阅历史、当前借阅情况和预约状态 ----------';
RAISE NOTICE '-- 学生张三 (ID: %) 的当前借阅情况:';
SELECT br.borrow_id, b.title, b.isbn, br.borrow_date, br.due_date, br.renew_times, br.status
FROM borrow_records br
JOIN books b ON br.book_id = b.book_id
WHERE br.student_id = current_setting('app.current_student_id')::bigint
AND br.status IN ('borrowed', 'overdue');
RAISE NOTICE '-- 学生张三 (ID: %) 的借阅历史 (已还):';
SELECT br.borrow_id, b.title, b.isbn, br.borrow_date, br.return_date, br.status
FROM borrow_records br
JOIN books b ON br.book_id = b.book_id
WHERE br.student_id = current_setting('app.current_student_id')::bigint
AND br.status = 'returned';
RAISE NOTICE '-- 学生张三 (ID: %) 的当前预约状态:'; -- 重复上面的预约查询，为了完整性
SELECT r.reservation_id, b.title, r.reserve_date, r.status
FROM reservations r
JOIN books b ON r.book_id = b.book_id
WHERE r.student_id = current_setting('app.current_student_id')::bigint AND r.status IN ('waiting', 'available');
-- (5). 在线续借图书（有限制条件）
RAISE NOTICE '---------- (5) 在线续借图书 ----------';
-- 假设张三要续借他借阅的《深入理解计算机系统》(book_id=1)
-- borrow_id 需要从他的当前借阅中找到，假设其 borrow_id 为 1 (根据你的测试数据)
DO $$
DECLARE
v_borrow_id_to_renew bigint;
v_student_id bigint := current_setting('app.current_student_id')::bigint;
v_book_id_of_borrow bigint;
v_max_renew_times int;
v_borrow_duration_days int;
v_current_renew_times int;
v_current_due_date date;
v_current_status borrow_status_enum;
v_is_reserved boolean;
BEGIN
-- 找到张三正在借阅的《深入理解计算机系统》的 borrow_id
SELECT br.borrow_id, br.book_id, br.renew_times, br.due_date, br.status
INTO v_borrow_id_to_renew, v_book_id_of_borrow, v_current_renew_times, v_current_due_date, v_current_status
FROM borrow_records br
JOIN books b ON br.book_id = b.book_id
WHERE br.student_id = v_student_id
AND b.isbn = '9787111624927' -- 《深入理解计算机系统》
AND br.status = 'borrowed'
LIMIT 1;
IF NOT FOUND THEN
RAISE NOTICE '-- 未找到学生ID % 对图书ISBN 9787111624927 的可续借记录。';
RETURN;
END IF;
RAISE NOTICE '-- 尝试为学生ID % 续借 borrow_id % (Book ID: %)', v_student_id, v_borrow_id_to_renew, v_book_id_of_borrow;
-- 获取系统参数
SELECT setting_value::int INTO v_max_renew_times FROM system_settings WHERE setting_key = 'max_renew_times';
SELECT setting_value::int INTO v_borrow_duration_days FROM system_settings WHERE setting_key = 'borrow_duration_days';
-- 检查条件：
-- 1. 状态为 'borrowed' (不能是 'overdue' 或 'lost')
IF v_current_status != 'borrowed' THEN
RAISE NOTICE '-- 续借失败: 图书状态为 %，不是 "borrowed"。', v_current_status;
RETURN;
END IF;
-- 2. 续借次数未达上限
IF v_current_renew_times >= v_max_renew_times THEN
RAISE NOTICE '-- 续借失败: 已达到最大续借次数 (%)。', v_max_renew_times;
RETURN;
END IF;
-- 3. 该书没有其他人预约
SELECT EXISTS (SELECT 1 FROM reservations WHERE book_id = v_book_id_of_borrow AND status = 'waiting')
INTO v_is_reserved;
IF v_is_reserved THEN
RAISE NOTICE '-- 续借失败: 该图书已被其他用户预约。';
RETURN;
END IF;
-- 执行续借
UPDATE borrow_records
SET due_date = v_current_due_date + (v_borrow_duration_days || ' days')::interval, -- 从原应还日期开始计算
renew_times = renew_times + 1
WHERE borrow_id = v_borrow_id_to_renew;
RAISE NOTICE '-- 续借成功! borrow_id: %, 新的应还日期: %, 当前续借次数: %',
v_borrow_id_to_renew,
(SELECT due_date FROM borrow_records WHERE borrow_id = v_borrow_id_to_renew),
(SELECT renew_times FROM borrow_records WHERE borrow_id = v_borrow_id_to_renew);
EXCEPTION
WHEN NO_DATA_FOUND THEN
RAISE NOTICE '-- 未找到相关借阅记录或系统参数。';
WHEN OTHERS THEN
RAISE NOTICE '续借操作发生错误: %', SQLERRM;
END $$;
-- (6). 查看和缴纳罚款
RAISE NOTICE '---------- (6) 查看和缴纳罚款 ----------';
-- 假设学生王五 (S2022003, student_id=3) 有未缴罚款
DO $$
DECLARE
v_student_id_wangwu bigint;
v_fine_id_to_pay bigint;
v_amount_to_pay numeric;
BEGIN
SELECT student_id INTO v_student_id_wangwu FROM students WHERE stu_no = 'S2022003';
IF NOT FOUND THEN
RAISE NOTICE '学生 S2022003 未找到。';
RETURN;
END IF;
RAISE NOTICE '-- 查看学生王五 (ID: %) 的未缴罚款:';
SELECT fine_id, amount, reason, status, issue_date
FROM fines
WHERE student_id = v_student_id_wangwu AND status = 'unpaid';
-- 假设王五要缴纳 fine_id 为 (从上面查询结果中选取一个，例如第一个未缴罚款)
SELECT fine_id, amount INTO v_fine_id_to_pay, v_amount_to_pay
FROM fines
WHERE student_id = v_student_id_wangwu AND status = 'unpaid'
ORDER BY issue_date
LIMIT 1;
IF v_fine_id_to_pay IS NOT NULL THEN
RAISE NOTICE '-- 模拟缴纳学生王五 (ID: %) 的罚款 fine_id: %, 金额: %', v_student_id_wangwu, v_fine_id_to_pay, v_amount_to_pay;
UPDATE fines
SET status = 'paid'
WHERE fine_id = v_fine_id_to_pay;
-- 触发器 trg_freeze_account 会在此 UPDATE 后执行，可能解冻账户
RAISE NOTICE '-- 缴纳后，再次查看学生王五 (ID: %) 的未缴罚款:';
SELECT fine_id, amount, reason, status, issue_date
FROM fines
WHERE student_id = v_student_id_wangwu AND status = 'unpaid';
RAISE NOTICE '-- 查看学生王五 (ID: %) 的账户状态 (可能已因罚款缴纳而解冻):';
SELECT stu_no, name, account_status FROM students WHERE student_id = v_student_id_wangwu;
ELSE
RAISE NOTICE '-- 学生王五 (ID: %) 没有未缴罚款可供缴纳。';
END IF;
END $$;
-- (7). 对已借阅图书进行评分和评论
RAISE NOTICE '---------- (7) 对已借阅图书进行评分和评论 ----------';
-- 假设张三 (student_id=1) 要对他借阅过的《深入理解计算机系统》(book_id=1)进行评价
-- （假设他已经借过或者正在借阅）
DO $$
DECLARE
v_student_id bigint := current_setting('app.current_student_id')::bigint;
v_book_id_to_review bigint;
BEGIN
SELECT book_id INTO v_book_id_to_review FROM books WHERE isbn = '9787111624927'; -- 深入理解计算机系统
-- 检查是否已经评论过 (因为有 UNIQUE(book_id, student_id) 约束)
IF EXISTS (SELECT 1 FROM reviews WHERE student_id = v_student_id AND book_id = v_book_id_to_review) THEN
RAISE NOTICE '-- 学生ID % 已评价过图书ID %。';
UPDATE reviews
SET rating = 5, content = '更新评价：太经典了，常看常新！', review_time = now()
WHERE student_id = v_student_id AND book_id = v_book_id_to_review;
RAISE NOTICE '-- 已更新学生ID % 对图书ID % 的评价。';
ELSE
-- 应用层面通常会检查该学生是否实际借阅过这本书，这里我们直接插入
INSERT INTO reviews (book_id, student_id, rating, content, review_time)
VALUES (v_book_id_to_review, v_student_id, 5, '这本书写得太好了，深入浅出，对我帮助很大！', now());
RAISE NOTICE '-- 学生ID % 已成功评价图书ID %。';
END IF;
RAISE NOTICE '-- 查看图书ID % 的所有评价:';
SELECT s.name as student_name, r.rating, r.content, r.review_time
FROM reviews r
JOIN students s ON r.student_id = s.student_id
WHERE r.book_id = v_book_id_to_review
ORDER BY r.review_time DESC;
END $$;
-- (8). 查看图书推荐（如基于热门被借阅图书）
RAISE NOTICE '---------- (8) 查看图书推荐（热门图书） ----------';
RAISE NOTICE '-- 查看当前热门图书 (基于 v_hot_books 视图):';
SELECT b.isbn, b.title, b.authors, vhb.borrow_cnt
FROM v_hot_books vhb
JOIN books b ON vhb.book_id = b.book_id
ORDER BY vhb.borrow_cnt DESC;
-- 另一种推荐思路：基于用户所在院系的热门图书
RAISE NOTICE '-- 查看学生张三所在院系的热门图书 (示例):';
WITH student_department AS (
SELECT department FROM students WHERE student_id = current_setting('app.current_student_id')::bigint
),
department_borrows AS (
SELECT
br.book_id,
COUNT(*) as dept_borrow_count
FROM borrow_records br
JOIN students s ON br.student_id = s.student_id
WHERE s.department = (SELECT department FROM student_department)
GROUP BY br.book_id
)
SELECT b.title, b.authors, db.dept_borrow_count
FROM department_borrows db
JOIN books b ON db.book_id = b.book_id
ORDER BY db.dept_borrow_count DESC
LIMIT 10;
RAISE NOTICE '---------- 学生功能SQL示例演示完毕 ----------';

360
src/app/admin/books/[id]/edit/page.tsx Normal file
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'use client';
import { useState, useEffect } from 'react';
import { useParams, useRouter } from 'next/navigation';
import { Book } from '@/lib/types';
import { ArrowLeft, Save } from 'lucide-react';
export default function EditBookPage() {
const params = useParams();
const router = useRouter();
const bookId = params.id as string;
const [loading, setLoading] = useState(true);
const [saving, setSaving] = useState(false);
const [error, setError] = useState<string | null>(null);
const [formData, setFormData] = useState({
isbn: '',
title: '',
authors: '',
publisher: '',
publishDate: '',
price: '',
classificationNo: '',
location: '',
totalCopies: '1',
availableCopies: '1',
status: 'normal',
description: '',
coverUrl: '',
});
useEffect(() => {
const fetchBook = async () => {
try {
const response = await fetch(`/api/books/${bookId}`);
if (!response.ok) {
throw new Error('Failed to fetch book');
}
const book: Book = await response.json();
setFormData({
isbn: book.isbn,
title: book.title,
authors: book.authors.join(', '),
publisher: book.publisher || '',
publishDate: book.publishDate || '',
price: book.price || '',
classificationNo: book.classificationNo || '',
location: book.location || '',
totalCopies: book.totalCopies.toString(),
availableCopies: book.availableCopies.toString(),
status: book.status,
description: book.description || '',
coverUrl: book.coverUrl || '',
});
} catch (err) {
setError(err instanceof Error ? err.message : 'Unknown error');
} finally {
setLoading(false);
}
};
if (bookId) {
fetchBook();
}
}, [bookId]);
const handleSubmit = async (e: React.FormEvent) => {
e.preventDefault();
setSaving(true);
try {
const updateData = {
...formData,
authors: formData.authors.split(',').map(author => author.trim()).filter(Boolean),
price: formData.price ? parseFloat(formData.price) : null,
totalCopies: parseInt(formData.totalCopies),
availableCopies: parseInt(formData.availableCopies),
publishDate: formData.publishDate || null,
publisher: formData.publisher || null,
classificationNo: formData.classificationNo || null,
location: formData.location || null,
description: formData.description || null,
coverUrl: formData.coverUrl || null,
};
const response = await fetch(`/api/books/${bookId}`, {
method: 'PUT',
headers: {
'Content-Type': 'application/json',
},
body: JSON.stringify(updateData),
});
if (response.ok) {
router.push(`/admin/books/${bookId}`);
} else {
const errorData = await response.json();
alert(`更新失败: ${errorData.error || 'Unknown error'}`);
}
} catch (error) {
console.error('Update error:', error);
alert('更新失败');
} finally {
setSaving(false);
}
};
const handleChange = (e: React.ChangeEvent<HTMLInputElement | HTMLTextAreaElement | HTMLSelectElement>) => {
const { name, value } = e.target;
setFormData(prev => ({
...prev,
[name]: value
}));
};
if (loading) {
return (
<div className="min-h-screen bg-gray-50 flex items-center justify-center">
<div className="text-lg">加载中...</div>
</div>
);
}
if (error) {
return (
<div className="min-h-screen bg-gray-50 flex items-center justify-center">
<div className="text-red-600">错误: {error}</div>
</div>
);
}
return (
<div className="min-h-screen bg-gray-50">
<div className="max-w-4xl mx-auto p-6">
{/* Header */}
<div className="flex items-center justify-between mb-6">
<div className="flex items-center gap-4">
<button
onClick={() => router.back()}
className="flex items-center gap-2 text-gray-600 hover:text-gray-900"
>
<ArrowLeft size={20} />
返回
</button>
<h1 className="text-2xl font-bold text-gray-900">编辑图书</h1>
</div>
</div>
{/* Form */}
<div className="bg-white rounded-lg shadow-sm border p-6">
<form onSubmit={handleSubmit} className="space-y-6">
<div className="grid grid-cols-1 md:grid-cols-2 gap-6">
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
ISBN *
</label>
<input
type="text"
name="isbn"
value={formData.isbn}
onChange={handleChange}
required
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
书名 *
</label>
<input
type="text"
name="title"
value={formData.title}
onChange={handleChange}
required
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
作者 * (多个作者用逗号分隔)
</label>
<input
type="text"
name="authors"
value={formData.authors}
onChange={handleChange}
required
placeholder="张三, 李四"
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
出版社
</label>
<input
type="text"
name="publisher"
value={formData.publisher}
onChange={handleChange}
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
出版日期
</label>
<input
type="date"
name="publishDate"
value={formData.publishDate}
onChange={handleChange}
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
价格
</label>
<input
type="number"
name="price"
value={formData.price}
onChange={handleChange}
step="0.01"
min="0"
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
分类号
</label>
<input
type="text"
name="classificationNo"
value={formData.classificationNo}
onChange={handleChange}
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
位置
</label>
<input
type="text"
name="location"
value={formData.location}
onChange={handleChange}
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
总册数 *
</label>
<input
type="number"
name="totalCopies"
value={formData.totalCopies}
onChange={handleChange}
required
min="1"
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
可借册数 *
</label>
<input
type="number"
name="availableCopies"
value={formData.availableCopies}
onChange={handleChange}
required
min="0"
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
状态 *
</label>
<select
name="status"
value={formData.status}
onChange={handleChange}
required
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
>
<option value="normal">正常</option>
<option value="damaged">损坏</option>
<option value="removed">已移除</option>
</select>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
封面链接
</label>
<input
type="url"
name="coverUrl"
value={formData.coverUrl}
onChange={handleChange}
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
/>
</div>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
描述
</label>
<textarea
name="description"
value={formData.description}
onChange={handleChange}
rows={4}
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<div className="flex justify-end gap-4">
<button
type="button"
onClick={() => router.back()}
className="px-6 py-2 border border-gray-300 text-gray-700 rounded-lg hover:bg-gray-50"
>
取消
</button>
<button
type="submit"
disabled={saving}
className="flex items-center gap-2 px-6 py-2 bg-blue-600 text-white rounded-lg hover:bg-blue-700 disabled:opacity-50"
>
<Save size={16} />
{saving ? '保存中...' : '保存'}
</button>
</div>
</form>
</div>
</div>
</div>
);
}

195
src/app/admin/books/[id]/page.tsx Normal file
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@ -0,0 +1,195 @@
'use client';
import { useState, useEffect } from 'react';
import { useParams, useRouter } from 'next/navigation';
import { Book } from '@/lib/types';
import { ArrowLeft, Edit, Trash2, BookOpen, Calendar, User } from 'lucide-react';
export default function BookDetailPage() {
const params = useParams();
const router = useRouter();
const bookId = params.id as string;
const [book, setBook] = useState<Book | null>(null);
const [loading, setLoading] = useState(true);
const [error, setError] = useState<string | null>(null);
useEffect(() => {
const fetchBook = async () => {
try {
const response = await fetch(`/api/books/${bookId}`);
if (!response.ok) {
throw new Error('Failed to fetch book');
}
const data = await response.json();
setBook(data);
} catch (err) {
setError(err instanceof Error ? err.message : 'Unknown error');
} finally {
setLoading(false);
}
};
if (bookId) {
fetchBook();
}
}, [bookId]);
const handleDelete = async () => {
if (!book || !confirm('确定要删除这本书吗？')) return;
try {
const response = await fetch(`/api/books/${bookId}`, {
method: 'DELETE',
});
if (response.ok) {
router.push('/admin/books');
} else {
alert('删除失败');
}
} catch (error) {
console.error('Delete error:', error);
alert('删除失败');
}
};
if (loading) {
return (
<div className="min-h-screen bg-gray-50 flex items-center justify-center">
<div className="text-lg">加载中...</div>
</div>
);
}
if (error) {
return (
<div className="min-h-screen bg-gray-50 flex items-center justify-center">
<div className="text-red-600">错误: {error}</div>
</div>
);
}
if (!book) {
return (
<div className="min-h-screen bg-gray-50 flex items-center justify-center">
<div>未找到图书</div>
</div>
);
}
return (
<div className="min-h-screen bg-gray-50">
<div className="max-w-4xl mx-auto p-6">
{/* Header */}
<div className="flex items-center justify-between mb-6">
<div className="flex items-center gap-4">
<button
onClick={() => router.back()}
className="flex items-center gap-2 text-gray-600 hover:text-gray-900"
>
<ArrowLeft size={20} />
返回
</button>
<h1 className="text-2xl font-bold text-gray-900">图书详情</h1>
</div>
<div className="flex gap-2">
<button
onClick={() => router.push(`/admin/books/${bookId}/edit`)}
className="flex items-center gap-2 px-4 py-2 bg-blue-600 text-white rounded-lg hover:bg-blue-700"
>
<Edit size={16} />
编辑
</button>
<button
onClick={handleDelete}
className="flex items-center gap-2 px-4 py-2 bg-red-600 text-white rounded-lg hover:bg-red-700"
>
<Trash2 size={16} />
删除
</button>
</div>
</div>
{/* Book Info Card */}
<div className="bg-white rounded-lg shadow-sm border p-6">
<div className="grid grid-cols-1 md:grid-cols-3 gap-6">
{/* Book Cover */}
<div className="flex flex-col items-center">
<div className="w-48 h-64 bg-gray-200 rounded-lg flex items-center justify-center mb-4">
<BookOpen size={48} className="text-gray-400" />
</div>
<div className="text-center">
<div className={`inline-block px-3 py-1 rounded-full text-sm ${
book.status === 'normal'
? 'bg-green-100 text-green-800'
: book.status === 'damaged'
? 'bg-yellow-100 text-yellow-800'
: 'bg-red-100 text-red-800'
}`}>
{book.status === 'normal' ? '正常' : book.status === 'damaged' ? '损坏' : '已移除'}
</div>
</div>
</div>
{/* Book Details */}
<div className="md:col-span-2 space-y-4">
<div>
<h2 className="text-2xl font-bold text-gray-900 mb-2">{book.title}</h2>
<p className="text-lg text-gray-600">{book.authors.join(', ')}</p>
</div>
<div className="grid grid-cols-1 sm:grid-cols-2 gap-4">
<div>
<label className="block text-sm font-medium text-gray-700">ISBN</label>
<p className="text-gray-900">{book.isbn}</p>
</div>
<div>
<label className="block text-sm font-medium text-gray-700">出版社</label>
<p className="text-gray-900">{book.publisher}</p>
</div>
<div>
<label className="block text-sm font-medium text-gray-700">分类号</label>
<p className="text-gray-900">{book.classificationNo || '-'}</p>
</div>
<div>
<label className="block text-sm font-medium text-gray-700">位置</label>
<p className="text-gray-900">{book.location}</p>
</div>
<div>
<label className="block text-sm font-medium text-gray-700">出版日期</label>
<p className="text-gray-900">
{book.publishDate ? new Date(book.publishDate).toLocaleDateString('zh-CN') : '-'}
</p>
</div>
<div>
<label className="block text-sm font-medium text-gray-700">添加时间</label>
<p className="text-gray-900">
{new Date(book.createdAt).toLocaleDateString('zh-CN')}
</p>
</div>
</div>
{book.description && (
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">描述</label>
<p className="text-gray-900 bg-gray-50 p-3 rounded-lg">{book.description}</p>
</div>
)}
</div>
</div>
</div>
{/* Borrowing History */}
<div className="bg-white rounded-lg shadow-sm border p-6 mt-6">
<h3 className="text-lg font-semibold text-gray-900 mb-4 flex items-center gap-2">
<Calendar size={20} />
借阅历史
</h3>
<div className="text-gray-500 text-center py-8">
暂无借阅记录
</div>
</div>
</div>
</div>
);
}

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'use client';
import { useState } from 'react';
import { useRouter } from 'next/navigation';
import { ArrowLeft, Save } from 'lucide-react';
export default function AddBookPage() {
const router = useRouter();
const [saving, setSaving] = useState(false);
const [formData, setFormData] = useState({
isbn: '',
title: '',
authors: '',
publisher: '',
publishDate: '',
price: '',
classificationNo: '',
location: '',
totalCopies: '1',
availableCopies: '1',
status: 'normal',
description: '',
coverUrl: '',
});
const handleSubmit = async (e: React.FormEvent) => {
e.preventDefault();
setSaving(true);
try {
const createData = {
isbn: formData.isbn,
title: formData.title,
authors: formData.authors.split(',').map(author => author.trim()).filter(Boolean),
publisher: formData.publisher || null,
publishDate: formData.publishDate || null,
price: formData.price ? parseFloat(formData.price) : null,
classificationNo: formData.classificationNo || null,
location: formData.location || null,
totalCopies: parseInt(formData.totalCopies),
availableCopies: parseInt(formData.availableCopies),
status: formData.status,
description: formData.description || null,
coverUrl: formData.coverUrl || null,
};
const response = await fetch('/api/books', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
},
body: JSON.stringify(createData),
});
if (response.ok) {
const book = await response.json();
router.push(`/admin/books/${book.bookId}`);
} else {
const errorData = await response.json();
alert(`添加失败: ${errorData.error || 'Unknown error'}`);
}
} catch (error) {
console.error('Create error:', error);
alert('添加失败');
} finally {
setSaving(false);
}
};
const handleChange = (e: React.ChangeEvent<HTMLInputElement | HTMLTextAreaElement | HTMLSelectElement>) => {
const { name, value } = e.target;
setFormData(prev => ({
...prev,
[name]: value
}));
};
return (
<div className="min-h-screen bg-gray-50">
<div className="max-w-4xl mx-auto p-6">
{/* Header */}
<div className="flex items-center justify-between mb-6">
<div className="flex items-center gap-4">
<button
onClick={() => router.back()}
className="flex items-center gap-2 text-gray-600 hover:text-gray-900"
>
<ArrowLeft size={20} />
返回
</button>
<h1 className="text-2xl font-bold text-gray-900">添加图书</h1>
</div>
</div>
{/* Form */}
<div className="bg-white rounded-lg shadow-sm border p-6">
<form onSubmit={handleSubmit} className="space-y-6">
<div className="grid grid-cols-1 md:grid-cols-2 gap-6">
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
ISBN *
</label>
<input
type="text"
name="isbn"
value={formData.isbn}
onChange={handleChange}
required
placeholder="978-7-111-12345-6"
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
书名 *
</label>
<input
type="text"
name="title"
value={formData.title}
onChange={handleChange}
required
placeholder="请输入书名"
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
作者 * (多个作者用逗号分隔)
</label>
<input
type="text"
name="authors"
value={formData.authors}
onChange={handleChange}
required
placeholder="张三, 李四"
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
出版社
</label>
<input
type="text"
name="publisher"
value={formData.publisher}
onChange={handleChange}
placeholder="请输入出版社"
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
出版日期
</label>
<input
type="date"
name="publishDate"
value={formData.publishDate}
onChange={handleChange}
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
价格
</label>
<input
type="number"
name="price"
value={formData.price}
onChange={handleChange}
step="0.01"
min="0"
placeholder="0.00"
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
分类号
</label>
<input
type="text"
name="classificationNo"
value={formData.classificationNo}
onChange={handleChange}
placeholder="TP312"
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
位置
</label>
<input
type="text"
name="location"
value={formData.location}
onChange={handleChange}
placeholder="A区1楼书架001"
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
总册数 *
</label>
<input
type="number"
name="totalCopies"
value={formData.totalCopies}
onChange={handleChange}
required
min="1"
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
可借册数 *
</label>
<input
type="number"
name="availableCopies"
value={formData.availableCopies}
onChange={handleChange}
required
min="0"
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
状态 *
</label>
<select
name="status"
value={formData.status}
onChange={handleChange}
required
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
>
<option value="normal">正常</option>
<option value="damaged">损坏</option>
<option value="removed">已移除</option>
</select>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
封面链接
</label>
<input
type="url"
name="coverUrl"
value={formData.coverUrl}
onChange={handleChange}
placeholder="https://example.com/cover.jpg"
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
/>
</div>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
描述
</label>
<textarea
name="description"
value={formData.description}
onChange={handleChange}
rows={4}
placeholder="请输入图书描述"
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<div className="flex justify-end gap-4">
<button
type="button"
onClick={() => router.back()}
className="px-6 py-2 border border-gray-300 text-gray-700 rounded-lg hover:bg-gray-50"
>
取消
</button>
<button
type="submit"
disabled={saving}
className="flex items-center gap-2 px-6 py-2 bg-blue-600 text-white rounded-lg hover:bg-blue-700 disabled:opacity-50"
>
<Save size={16} />
{saving ? '添加中...' : '添加'}
</button>
</div>
</form>
</div>
</div>
</div>
);
}

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'use client';
import { useState } from 'react';
import { useQuery } from '@tanstack/react-query';
import {
Plus,
Search,
Edit,
Trash2,
Eye,
BookOpen,
Filter
} from 'lucide-react';
import Link from 'next/link';
import { Book, BookSearchFilters } from '@/lib/types';
async function fetchBooks(filters: BookSearchFilters & { page: number; pageSize: number }) {
const params = new URLSearchParams();
Object.entries(filters).forEach(([key, value]) => {
if (value !== undefined && value !== '') {
params.append(key, value.toString());
}
});
const response = await fetch(`/api/books?${params}`);
if (!response.ok) {
throw new Error('Failed to fetch books');
}
return response.json();
}
export default function AdminBooksPage() {
const [searchFilters, setSearchFilters] = useState<BookSearchFilters>({});
const [page, setPage] = useState(1);
const pageSize = 20;
const { data, isLoading, error, refetch } = useQuery({
queryKey: ['admin-books', searchFilters, page, pageSize],
queryFn: () => fetchBooks({ ...searchFilters, page, pageSize }),
});
const handleSearch = (e: React.FormEvent<HTMLFormElement>) => {
e.preventDefault();
setPage(1);
refetch();
};
const handleInputChange = (field: keyof BookSearchFilters, value: string) => {
setSearchFilters(prev => ({
...prev,
[field]: value || undefined,
}));
};
return (
<div className="min-h-screen bg-gray-50">
<div className="container mx-auto px-4 py-8">
{/* Header */}
<div className="flex justify-between items-center mb-8">
<div>
<h1 className="text-3xl font-bold text-gray-800 mb-2">图书管理</h1>
<p className="text-gray-600">管理图书馆藏书信息</p>
</div>
<Link
href="/admin/books/add"
className="bg-blue-600 hover:bg-blue-700 text-white px-4 py-2 rounded-lg flex items-center gap-2 transition-colors"
>
<Plus className="h-4 w-4" />
添加图书
</Link>
</div>
{/* Search and Filters */}
<div className="bg-white rounded-lg shadow-md p-6 mb-8">
<form onSubmit={handleSearch} className="space-y-4">
<div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-4">
<div>
<label className="block text-sm font-medium text-gray-700 mb-1">
书名
</label>
<input
type="text"
className="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
placeholder="输入书名关键词"
value={searchFilters.title || ''}
onChange={(e) => handleInputChange('title', e.target.value)}
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-1">
作者
</label>
<input
type="text"
className="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
placeholder="输入作者姓名"
value={searchFilters.author || ''}
onChange={(e) => handleInputChange('author', e.target.value)}
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-1">
ISBN
</label>
<input
type="text"
className="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
placeholder="输入ISBN号"
value={searchFilters.isbn || ''}
onChange={(e) => handleInputChange('isbn', e.target.value)}
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-1">
状态
</label>
<select
className="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
value={searchFilters.status || ''}
onChange={(e) => handleInputChange('status', e.target.value)}
>
<option value="">全部状态</option>
<option value="normal">正常</option>
<option value="damaged">损坏</option>
<option value="removed">下架</option>
</select>
</div>
</div>
<div className="flex justify-end">
<button
type="submit"
className="bg-blue-600 hover:bg-blue-700 text-white px-6 py-2 rounded-md flex items-center gap-2 transition-colors"
>
<Search className="h-4 w-4" />
搜索
</button>
</div>
</form>
</div>
{/* Results */}
{isLoading ? (
<div className="text-center py-12">
<div className="animate-spin rounded-full h-8 w-8 border-b-2 border-blue-600 mx-auto"></div>
<p className="mt-4 text-gray-600">加载中...</p>
</div>
) : error ? (
<div className="text-center py-12">
<p className="text-red-600">加载失败，请重试</p>
</div>
) : (
<>
{/* Results Header */}
<div className="flex justify-between items-center mb-6">
<p className="text-gray-600">
找到 {data?.data?.total || 0} 本图书
</p>
</div>
{/* Books Table */}
<div className="bg-white rounded-lg shadow-md overflow-hidden">
<table className="min-w-full divide-y divide-gray-200">
<thead className="bg-gray-50">
<tr>
<th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
图书信息
</th>
<th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
出版信息
</th>
<th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
库存状态
</th>
<th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
状态
</th>
<th className="px-6 py-3 text-right text-xs font-medium text-gray-500 uppercase tracking-wider">
操作
</th>
</tr>
</thead>
<tbody className="bg-white divide-y divide-gray-200">
{data?.data?.data?.map((book: Book) => (
<tr key={book.bookId} className="hover:bg-gray-50">
<td className="px-6 py-4 whitespace-nowrap">
<div className="flex items-center">
<div className="flex-shrink-0 h-16 w-12">
{book.coverUrl ? (
<img
className="h-16 w-12 object-cover rounded"
src={book.coverUrl}
alt={book.title}
/>
) : (
<div className="h-16 w-12 bg-gray-200 rounded flex items-center justify-center">
<BookOpen className="h-6 w-6 text-gray-400" />
</div>
)}
</div>
<div className="ml-4">
<div className="text-sm font-medium text-gray-900">
{book.title}
</div>
<div className="text-sm text-gray-500">
作者: {book.authors?.join(', ')}
</div>
<div className="text-sm text-gray-500">
ISBN: {book.isbn}
</div>
</div>
</div>
</td>
<td className="px-6 py-4 whitespace-nowrap">
<div className="text-sm text-gray-900">{book.publisher}</div>
<div className="text-sm text-gray-500">
{book.publishDate ? new Date(book.publishDate).toLocaleDateString('zh-CN') : '未知'}
</div>
<div className="text-sm text-gray-500">
¥{book.price}
</div>
</td>
<td className="px-6 py-4 whitespace-nowrap">
<div className="text-sm text-gray-900">
可借: {book.availableCopies}/{book.totalCopies}
</div>
<div className="text-sm text-gray-500">
位置: {book.location}
</div>
</td>
<td className="px-6 py-4 whitespace-nowrap">
<span className={`inline-flex px-2 py-1 text-xs font-semibold rounded-full ${
book.status === 'normal' ? 'bg-green-100 text-green-800' :
book.status === 'damaged' ? 'bg-yellow-100 text-yellow-800' :
'bg-red-100 text-red-800'
}`}>
{book.status === 'normal' ? '正常' :
book.status === 'damaged' ? '损坏' : '下架'}
</span>
</td>
<td className="px-6 py-4 whitespace-nowrap text-right text-sm font-medium">
<div className="flex justify-end space-x-2">
<Link
href={`/admin/books/${book.bookId}`}
className="text-blue-600 hover:text-blue-900"
>
<Eye className="h-4 w-4" />
</Link>
<Link
href={`/admin/books/${book.bookId}/edit`}
className="text-green-600 hover:text-green-900"
>
<Edit className="h-4 w-4" />
</Link>
<button
onClick={() => {
if (confirm('确定要删除这本图书吗？')) {
// TODO: Implement delete functionality
}
}}
className="text-red-600 hover:text-red-900"
>
<Trash2 className="h-4 w-4" />
</button>
</div>
</td>
</tr>
))}
</tbody>
</table>
</div>
{/* Pagination */}
{data?.data?.totalPages > 1 && (
<div className="flex justify-center mt-8">
<div className="flex gap-2">
{page > 1 && (
<button
onClick={() => setPage(page - 1)}
className="px-4 py-2 border border-gray-300 rounded-md hover:bg-gray-50"
>
上一页
</button>
)}
{[...Array(Math.min(5, data.data.totalPages))].map((_, i) => {
const pageNum = i + 1;
return (
<button
key={pageNum}
onClick={() => setPage(pageNum)}
className={`px-4 py-2 border rounded-md ${
page === pageNum
? 'bg-blue-600 text-white border-blue-600'
: 'border-gray-300 hover:bg-gray-50'
}`}
>
{pageNum}
</button>
);
})}
{page < data.data.totalPages && (
<button
onClick={() => setPage(page + 1)}
className="px-4 py-2 border border-gray-300 rounded-md hover:bg-gray-50"
>
下一页
</button>
)}
</div>
</div>
)}
</>
)}
</div>
</div>
);
}

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'use client';
import { useState } from 'react';
import { useQuery } from '@tanstack/react-query';
import {
Search,
RefreshCw,
RotateCcw,
Calendar,
AlertTriangle,
CheckCircle,
Clock
} from 'lucide-react';
import { BorrowRecordWithDetails } from '@/lib/types';
async function fetchBorrowRecords(params: { status?: string; studentId?: string; page: number; pageSize: number }) {
const searchParams = new URLSearchParams();
Object.entries(params).forEach(([key, value]) => {
if (value !== undefined && value !== '') {
searchParams.append(key, value.toString());
}
});
const response = await fetch(`/api/borrow?${searchParams}`);
if (!response.ok) {
throw new Error('Failed to fetch borrow records');
}
return response.json();
}
export default function AdminBorrowsPage() {
const [statusFilter, setStatusFilter] = useState('');
const [studentIdFilter, setStudentIdFilter] = useState('');
const [page, setPage] = useState(1);
const pageSize = 20;
const { data, isLoading, error, refetch } = useQuery({
queryKey: ['admin-borrows', statusFilter, studentIdFilter, page, pageSize],
queryFn: () => fetchBorrowRecords({
status: statusFilter || undefined,
studentId: studentIdFilter || undefined,
page,
pageSize
}),
});
const handleSearch = (e: React.FormEvent<HTMLFormElement>) => {
e.preventDefault();
setPage(1);
refetch();
};
const getStatusBadge = (status: string, dueDate: string) => {
const isOverdue = new Date(dueDate) < new Date();
if (status === 'returned') {
return (
<span className="inline-flex items-center px-2 py-1 text-xs font-semibold rounded-full bg-green-100 text-green-800">
<CheckCircle className="h-3 w-3 mr-1" />
已归还
</span>
);
}
if (status === 'overdue' || (status === 'borrowed' && isOverdue)) {
return (
<span className="inline-flex items-center px-2 py-1 text-xs font-semibold rounded-full bg-red-100 text-red-800">
<AlertTriangle className="h-3 w-3 mr-1" />
逾期
</span>
);
}
return (
<span className="inline-flex items-center px-2 py-1 text-xs font-semibold rounded-full bg-blue-100 text-blue-800">
<Clock className="h-3 w-3 mr-1" />
借阅中
</span>
);
};
const getDaysOverdue = (dueDate: string) => {
const today = new Date();
const due = new Date(dueDate);
const diffTime = today.getTime() - due.getTime();
const diffDays = Math.ceil(diffTime / (1000 * 60 * 60 * 24));
return diffDays > 0 ? diffDays : 0;
};
return (
<div className="min-h-screen bg-gray-50">
<div className="container mx-auto px-4 py-8">
{/* Header */}
<div className="mb-8">
<h1 className="text-3xl font-bold text-gray-800 mb-2">借阅管理</h1>
<p className="text-gray-600">管理图书借阅、归还和续借操作</p>
</div>
{/* Search and Filters */}
<div className="bg-white rounded-lg shadow-md p-6 mb-8">
<form onSubmit={handleSearch} className="space-y-4">
<div className="grid grid-cols-1 md:grid-cols-3 gap-4">
<div>
<label className="block text-sm font-medium text-gray-700 mb-1">
借阅状态
</label>
<select
className="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
value={statusFilter}
onChange={(e) => setStatusFilter(e.target.value)}
>
<option value="">全部状态</option>
<option value="borrowed">借阅中</option>
<option value="returned">已归还</option>
<option value="overdue">逾期</option>
</select>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-1">
学生ID
</label>
<input
type="text"
className="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
placeholder="输入学生ID"
value={studentIdFilter}
onChange={(e) => setStudentIdFilter(e.target.value)}
/>
</div>
<div className="flex items-end">
<button
type="submit"
className="bg-blue-600 hover:bg-blue-700 text-white px-6 py-2 rounded-md flex items-center gap-2 transition-colors"
>
<Search className="h-4 w-4" />
搜索
</button>
</div>
</div>
</form>
</div>
{/* Results */}
{isLoading ? (
<div className="text-center py-12">
<div className="animate-spin rounded-full h-8 w-8 border-b-2 border-blue-600 mx-auto"></div>
<p className="mt-4 text-gray-600">加载中...</p>
</div>
) : error ? (
<div className="text-center py-12">
<p className="text-red-600">加载失败，请重试</p>
</div>
) : (
<>
{/* Results Header */}
<div className="flex justify-between items-center mb-6">
<p className="text-gray-600">
找到 {data?.data?.length || 0} 条借阅记录
</p>
</div>
{/* Borrow Records Table */}
<div className="bg-white rounded-lg shadow-md overflow-hidden">
<table className="min-w-full divide-y divide-gray-200">
<thead className="bg-gray-50">
<tr>
<th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
图书信息
</th>
<th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
学生信息
</th>
<th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
借阅日期
</th>
<th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
归还日期
</th>
<th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
状态
</th>
<th className="px-6 py-3 text-right text-xs font-medium text-gray-500 uppercase tracking-wider">
操作
</th>
</tr>
</thead>
<tbody className="bg-white divide-y divide-gray-200">
{data?.data?.map((record: BorrowRecordWithDetails) => (
<tr key={record.borrowId} className="hover:bg-gray-50">
<td className="px-6 py-4 whitespace-nowrap">
<div>
<div className="text-sm font-medium text-gray-900">
{record.book?.title}
</div>
<div className="text-sm text-gray-500">
ISBN: {record.book?.isbn}
</div>
<div className="text-sm text-gray-500">
作者: {record.book?.authors?.join(', ')}
</div>
</div>
</td>
<td className="px-6 py-4 whitespace-nowrap">
<div>
<div className="text-sm font-medium text-gray-900">
{record.student?.name}
</div>
<div className="text-sm text-gray-500">
学号: {record.student?.stuNo}
</div>
<div className="text-sm text-gray-500">
{record.student?.department}
</div>
</div>
</td>
<td className="px-6 py-4 whitespace-nowrap">
<div className="text-sm text-gray-900">
{new Date(record.borrowDate).toLocaleDateString('zh-CN')}
</div>
<div className="text-sm text-gray-500">
续借: {record.renewTimes}/2 次
</div>
</td>
<td className="px-6 py-4 whitespace-nowrap">
<div className="text-sm text-gray-900">
应还: {new Date(record.dueDate).toLocaleDateString('zh-CN')}
</div>
{record.returnDate && (
<div className="text-sm text-gray-500">
实还: {new Date(record.returnDate).toLocaleDateString('zh-CN')}
</div>
)}
{!record.returnDate && getDaysOverdue(record.dueDate) > 0 && (
<div className="text-sm text-red-600">
逾期 {getDaysOverdue(record.dueDate)} 天
</div>
)}
</td>
<td className="px-6 py-4 whitespace-nowrap">
{getStatusBadge(record.status, record.dueDate)}
{record.fineAmount && parseFloat(record.fineAmount) > 0 && (
<div className="text-sm text-red-600 mt-1">
罚款: ¥{parseFloat(record.fineAmount).toFixed(2)}
</div>
)}
</td>
<td className="px-6 py-4 whitespace-nowrap text-right text-sm font-medium">
<div className="flex justify-end space-x-2">
{record.status === 'borrowed' && (
<>
{(record.renewTimes || 0) < 2 && (
<button
onClick={() => {
// TODO: Implement renew functionality
console.log('Renew book:', record.borrowId);
}}
className="text-blue-600 hover:text-blue-900 flex items-center gap-1"
title="续借"
>
<RefreshCw className="h-4 w-4" />
</button>
)}
<button
onClick={() => {
// TODO: Implement return functionality
console.log('Return book:', record.borrowId);
}}
className="text-green-600 hover:text-green-900 flex items-center gap-1"
title="归还"
>
<RotateCcw className="h-4 w-4" />
</button>
</>
)}
</div>
</td>
</tr>
))}
</tbody>
</table>
</div>
{/* No results */}
{data?.data?.length === 0 && (
<div className="text-center py-12">
<Calendar className="h-12 w-12 text-gray-400 mx-auto mb-4" />
<p className="text-gray-500">暂无借阅记录</p>
</div>
)}
</>
)}
</div>
</div>
);
}

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@ -0,0 +1,339 @@
'use client';
import { useState } from 'react';
import { useQuery } from '@tanstack/react-query';
import {
Search,
DollarSign,
AlertTriangle,
CheckCircle,
CreditCard,
Clock
} from 'lucide-react';
import { FineWithDetails } from '@/lib/types';
// Mock data - replace with actual API
async function fetchFines() {
// Mock data for demonstration
return {
success: true,
data: [
{
fineId: 1,
fineType: 'overdue',
amount: '15.00',
reason: '逾期归还：5天',
status: 'unpaid',
createdAt: '2025-01-10',
student: {
studentId: 1,
stuNo: 'S2023001',
name: '张三',
department: '计算机科学与技术'
},
borrowRecord: {
borrowId: 1,
book: {
title: '深入理解计算机系统',
isbn: '9787111544937'
}
}
},
{
fineId: 2,
fineType: 'damage',
amount: '50.00',
reason: '图书损坏',
status: 'paid',
createdAt: '2025-01-08',
paymentDate: '2025-01-09',
paymentMethod: 'cash',
student: {
studentId: 2,
stuNo: 'S2023002',
name: '李四',
department: '软件工程'
}
}
]
};
}
export default function AdminFinesPage() {
const [statusFilter, setStatusFilter] = useState('');
const [typeFilter, setTypeFilter] = useState('');
const { data, isLoading, error, refetch } = useQuery({
queryKey: ['admin-fines', statusFilter, typeFilter],
queryFn: fetchFines,
});
const handleSearch = (e: React.FormEvent<HTMLFormElement>) => {
e.preventDefault();
refetch();
};
const getStatusBadge = (status: string) => {
if (status === 'paid') {
return (
<span className="inline-flex items-center px-2 py-1 text-xs font-semibold rounded-full bg-green-100 text-green-800">
<CheckCircle className="h-3 w-3 mr-1" />
已缴费
</span>
);
}
return (
<span className="inline-flex items-center px-2 py-1 text-xs font-semibold rounded-full bg-red-100 text-red-800">
<Clock className="h-3 w-3 mr-1" />
未缴费
</span>
);
};
const getTypeLabel = (type: string) => {
switch (type) {
case 'overdue':
return '逾期罚款';
case 'damage':
return '损坏赔偿';
case 'lost':
return '丢失赔偿';
default:
return '其他';
}
};
const getTotalUnpaidAmount = () => {
if (!data?.data) return 0;
return data.data
.filter((fine: any) => fine.status === 'unpaid')
.reduce((total: number, fine: any) => total + parseFloat(fine.amount), 0);
};
return (
<div className="min-h-screen bg-gray-50">
<div className="container mx-auto px-4 py-8">
{/* Header */}
<div className="mb-8">
<h1 className="text-3xl font-bold text-gray-800 mb-2">罚款管理</h1>
<p className="text-gray-600">管理学生罚款和缴费记录</p>
</div>
{/* Statistics */}
<div className="grid grid-cols-1 md:grid-cols-3 gap-6 mb-8">
<div className="bg-white rounded-lg shadow-md p-6">
<div className="flex items-center justify-between">
<div>
<p className="text-sm font-medium text-gray-600">总罚款记录</p>
<p className="text-2xl font-bold text-gray-900">
{data?.data?.length || 0}
</p>
</div>
<DollarSign className="h-8 w-8 text-blue-600" />
</div>
</div>
<div className="bg-white rounded-lg shadow-md p-6">
<div className="flex items-center justify-between">
<div>
<p className="text-sm font-medium text-gray-600">未缴费金额</p>
<p className="text-2xl font-bold text-red-600">
¥{getTotalUnpaidAmount().toFixed(2)}
</p>
</div>
<AlertTriangle className="h-8 w-8 text-red-600" />
</div>
</div>
<div className="bg-white rounded-lg shadow-md p-6">
<div className="flex items-center justify-between">
<div>
<p className="text-sm font-medium text-gray-600">已缴费记录</p>
<p className="text-2xl font-bold text-green-600">
{data?.data?.filter((fine: any) => fine.status === 'paid').length || 0}
</p>
</div>
<CheckCircle className="h-8 w-8 text-green-600" />
</div>
</div>
</div>
{/* Search and Filters */}
<div className="bg-white rounded-lg shadow-md p-6 mb-8">
<form onSubmit={handleSearch} className="space-y-4">
<div className="grid grid-cols-1 md:grid-cols-3 gap-4">
<div>
<label className="block text-sm font-medium text-gray-700 mb-1">
缴费状态
</label>
<select
className="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
value={statusFilter}
onChange={(e) => setStatusFilter(e.target.value)}
>
<option value="">全部状态</option>
<option value="unpaid">未缴费</option>
<option value="paid">已缴费</option>
</select>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-1">
罚款类型
</label>
<select
className="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
value={typeFilter}
onChange={(e) => setTypeFilter(e.target.value)}
>
<option value="">全部类型</option>
<option value="overdue">逾期罚款</option>
<option value="damage">损坏赔偿</option>
<option value="lost">丢失赔偿</option>
</select>
</div>
<div className="flex items-end">
<button
type="submit"
className="bg-blue-600 hover:bg-blue-700 text-white px-6 py-2 rounded-md flex items-center gap-2 transition-colors"
>
<Search className="h-4 w-4" />
搜索
</button>
</div>
</div>
</form>
</div>
{/* Results */}
{isLoading ? (
<div className="text-center py-12">
<div className="animate-spin rounded-full h-8 w-8 border-b-2 border-blue-600 mx-auto"></div>
<p className="mt-4 text-gray-600">加载中...</p>
</div>
) : error ? (
<div className="text-center py-12">
<p className="text-red-600">加载失败，请重试</p>
</div>
) : (
<>
{/* Fines Table */}
<div className="bg-white rounded-lg shadow-md overflow-hidden">
<table className="min-w-full divide-y divide-gray-200">
<thead className="bg-gray-50">
<tr>
<th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
学生信息
</th>
<th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
罚款信息
</th>
<th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
金额
</th>
<th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
状态
</th>
<th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
缴费信息
</th>
<th className="px-6 py-3 text-right text-xs font-medium text-gray-500 uppercase tracking-wider">
操作
</th>
</tr>
</thead>
<tbody className="bg-white divide-y divide-gray-200">
{data?.data?.map((fine: any) => (
<tr key={fine.fineId} className="hover:bg-gray-50">
<td className="px-6 py-4 whitespace-nowrap">
<div>
<div className="text-sm font-medium text-gray-900">
{fine.student?.name}
</div>
<div className="text-sm text-gray-500">
学号: {fine.student?.stuNo}
</div>
<div className="text-sm text-gray-500">
{fine.student?.department}
</div>
</div>
</td>
<td className="px-6 py-4 whitespace-nowrap">
<div>
<div className="text-sm font-medium text-gray-900">
{getTypeLabel(fine.fineType)}
</div>
<div className="text-sm text-gray-500">
{fine.reason}
</div>
{fine.borrowRecord && (
<div className="text-sm text-gray-500">
图书: {fine.borrowRecord.book?.title}
</div>
)}
</div>
</td>
<td className="px-6 py-4 whitespace-nowrap">
<div className="text-lg font-bold text-red-600">
¥{parseFloat(fine.amount).toFixed(2)}
</div>
<div className="text-sm text-gray-500">
{new Date(fine.createdAt).toLocaleDateString('zh-CN')}
</div>
</td>
<td className="px-6 py-4 whitespace-nowrap">
{getStatusBadge(fine.status)}
</td>
<td className="px-6 py-4 whitespace-nowrap">
{fine.status === 'paid' ? (
<div>
<div className="text-sm text-gray-900">
{new Date(fine.paymentDate).toLocaleDateString('zh-CN')}
</div>
<div className="text-sm text-gray-500">
{fine.paymentMethod === 'cash' ? '现金' :
fine.paymentMethod === 'card' ? '银行卡' : '其他'}
</div>
</div>
) : (
<div className="text-sm text-gray-500">
未缴费
</div>
)}
</td>
<td className="px-6 py-4 whitespace-nowrap text-right text-sm font-medium">
{fine.status === 'unpaid' && (
<button
onClick={() => {
// TODO: Implement payment functionality
console.log('Process payment for fine:', fine.fineId);
}}
className="text-green-600 hover:text-green-900 flex items-center gap-1"
title="处理缴费"
>
<CreditCard className="h-4 w-4" />
缴费
</button>
)}
</td>
</tr>
))}
</tbody>
</table>
</div>
{/* No results */}
{data?.data?.length === 0 && (
<div className="text-center py-12">
<DollarSign className="h-12 w-12 text-gray-400 mx-auto mb-4" />
<p className="text-gray-500">暂无罚款记录</p>
</div>
)}
</>
)}
</div>
</div>
);
}

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'use client';
import { useQuery } from '@tanstack/react-query';
import {
BookOpen,
Users,
Calendar,
DollarSign,
Clock,
AlertTriangle
} from 'lucide-react';
import Link from 'next/link';
// Mock data fetching function - replace with actual API calls
async function fetchDashboardData() {
// This would be replaced with actual API calls
return {
stats: {
totalBooks: 1250,
totalStudents: 3486,
totalBorrows: 8924,
overdueBooks: 23,
reservations: 156,
unpaidFines: 2340
}
};
}
interface DashboardStats {
totalBooks: number;
totalStudents: number;
totalBorrows: number;
overdueBooks: number;
reservations: number;
unpaidFines: number;
}
export default function AdminDashboard() {
const { data, isLoading } = useQuery({
queryKey: ['admin-dashboard'],
queryFn: fetchDashboardData,
});
const stats: Partial<DashboardStats> = data?.stats || {};
return (
<div className="min-h-screen bg-gray-50">
<div className="container mx-auto px-4 py-8">
{/* Header */}
<div className="mb-8">
<h1 className="text-3xl font-bold text-gray-800 mb-2">管理员控制台</h1>
<p className="text-gray-600">图书馆管理系统概览和操作中心</p>
</div>
{/* Stats Grid */}
<div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6 mb-8">
<div className="bg-white rounded-lg shadow-md p-6">
<div className="flex items-center justify-between">
<div>
<p className="text-sm font-medium text-gray-600">图书总数</p>
<p className="text-2xl font-bold text-gray-900">
{isLoading ? '...' : stats.totalBooks?.toLocaleString()}
</p>
</div>
<BookOpen className="h-8 w-8 text-blue-600" />
</div>
</div>
<div className="bg-white rounded-lg shadow-md p-6">
<div className="flex items-center justify-between">
<div>
<p className="text-sm font-medium text-gray-600">学生总数</p>
<p className="text-2xl font-bold text-gray-900">
{isLoading ? '...' : stats.totalStudents?.toLocaleString()}
</p>
</div>
<Users className="h-8 w-8 text-green-600" />
</div>
</div>
<div className="bg-white rounded-lg shadow-md p-6">
<div className="flex items-center justify-between">
<div>
<p className="text-sm font-medium text-gray-600">借阅总数</p>
<p className="text-2xl font-bold text-gray-900">
{isLoading ? '...' : stats.totalBorrows?.toLocaleString()}
</p>
</div>
<Calendar className="h-8 w-8 text-purple-600" />
</div>
</div>
<div className="bg-white rounded-lg shadow-md p-6">
<div className="flex items-center justify-between">
<div>
<p className="text-sm font-medium text-gray-600">逾期图书</p>
<p className="text-2xl font-bold text-red-600">
{isLoading ? '...' : stats.overdueBooks}
</p>
</div>
<AlertTriangle className="h-8 w-8 text-red-600" />
</div>
</div>
<div className="bg-white rounded-lg shadow-md p-6">
<div className="flex items-center justify-between">
<div>
<p className="text-sm font-medium text-gray-600">预约数量</p>
<p className="text-2xl font-bold text-gray-900">
{isLoading ? '...' : stats.reservations}
</p>
</div>
<Clock className="h-8 w-8 text-orange-600" />
</div>
</div>
<div className="bg-white rounded-lg shadow-md p-6">
<div className="flex items-center justify-between">
<div>
<p className="text-sm font-medium text-gray-600">未缴罚款</p>
<p className="text-2xl font-bold text-red-600">
¥{isLoading ? '...' : ((stats.unpaidFines || 0) / 100).toFixed(2)}
</p>
</div>
<DollarSign className="h-8 w-8 text-red-600" />
</div>
</div>
</div>
{/* Quick Actions */}
<div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-6 mb-8">
<Link
href="/admin/books"
className="bg-blue-600 hover:bg-blue-700 text-white p-6 rounded-lg shadow-md transition-colors group"
>
<div className="flex items-center justify-between">
<div>
<h3 className="text-lg font-semibold mb-2">图书管理</h3>
<p className="text-blue-100 text-sm">添加、编辑、删除图书</p>
</div>
<BookOpen className="h-8 w-8 group-hover:scale-110 transition-transform" />
</div>
</Link>
<Link
href="/admin/students"
className="bg-green-600 hover:bg-green-700 text-white p-6 rounded-lg shadow-md transition-colors group"
>
<div className="flex items-center justify-between">
<div>
<h3 className="text-lg font-semibold mb-2">学生管理</h3>
<p className="text-green-100 text-sm">管理学生账户</p>
</div>
<Users className="h-8 w-8 group-hover:scale-110 transition-transform" />
</div>
</Link>
<Link
href="/admin/borrows"
className="bg-purple-600 hover:bg-purple-700 text-white p-6 rounded-lg shadow-md transition-colors group"
>
<div className="flex items-center justify-between">
<div>
<h3 className="text-lg font-semibold mb-2">借阅管理</h3>
<p className="text-purple-100 text-sm">处理借阅和归还</p>
</div>
<Calendar className="h-8 w-8 group-hover:scale-110 transition-transform" />
</div>
</Link>
<Link
href="/admin/fines"
className="bg-orange-600 hover:bg-orange-700 text-white p-6 rounded-lg shadow-md transition-colors group"
>
<div className="flex items-center justify-between">
<div>
<h3 className="text-lg font-semibold mb-2">罚款管理</h3>
<p className="text-orange-100 text-sm">处理罚款和缴费</p>
</div>
<DollarSign className="h-8 w-8 group-hover:scale-110 transition-transform" />
</div>
</Link>
</div>
{/* Recent Activities */}
<div className="grid grid-cols-1 lg:grid-cols-2 gap-8">
<div className="bg-white rounded-lg shadow-md p-6">
<h3 className="text-lg font-semibold mb-4">最近借阅</h3>
<div className="space-y-3">
{[1, 2, 3, 4, 5].map((item) => (
<div key={item} className="flex items-center justify-between py-2 border-b border-gray-100 last:border-b-0">
<div>
<p className="font-medium text-sm">深入理解计算机系统</p>
<p className="text-gray-600 text-xs">学号: S2023001 - 张三</p>
</div>
<div className="text-right">
<p className="text-xs text-gray-500">2025-01-15</p>
<p className="text-xs text-green-600">已借出</p>
</div>
</div>
))}
</div>
<Link
href="/admin/borrows"
className="block text-center text-blue-600 hover:text-blue-700 text-sm mt-4 font-medium"
>
查看全部借阅记录
</Link>
</div>
<div className="bg-white rounded-lg shadow-md p-6">
<h3 className="text-lg font-semibold mb-4">逾期提醒</h3>
<div className="space-y-3">
{[1, 2, 3, 4, 5].map((item) => (
<div key={item} className="flex items-center justify-between py-2 border-b border-gray-100 last:border-b-0">
<div>
<p className="font-medium text-sm">Python编程实战</p>
<p className="text-gray-600 text-xs">学号: S2023002 - 李四</p>
</div>
<div className="text-right">
<p className="text-xs text-gray-500">逾期 3 天</p>
<p className="text-xs text-red-600">¥3.00</p>
</div>
</div>
))}
</div>
<Link
href="/admin/borrows?status=overdue"
className="block text-center text-red-600 hover:text-red-700 text-sm mt-4 font-medium"
>
查看全部逾期记录
</Link>
</div>
</div>
</div>
</div>
);
}

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'use client';
import { useState, useEffect } from 'react';
import { useParams, useRouter } from 'next/navigation';
import { Student } from '@/lib/types';
import { ArrowLeft, Save } from 'lucide-react';
export default function EditStudentPage() {
const params = useParams();
const router = useRouter();
const studentId = params.id as string;
const [loading, setLoading] = useState(true);
const [saving, setSaving] = useState(false);
const [error, setError] = useState<string | null>(null);
const [formData, setFormData] = useState({
stuNo: '',
name: '',
gender: '',
department: '',
major: '',
grade: '',
class: '',
phone: '',
email: '',
maxBorrow: '10',
accountStatus: 'active',
});
useEffect(() => {
const fetchStudent = async () => {
try {
const response = await fetch(`/api/students/${studentId}`);
if (!response.ok) {
throw new Error('Failed to fetch student');
}
const student: Student = await response.json();
setFormData({
stuNo: student.stuNo,
name: student.name,
gender: student.gender || '',
department: student.department || '',
major: student.major || '',
grade: student.grade || '',
class: student.class || '',
phone: student.phone || '',
email: student.email || '',
maxBorrow: student.maxBorrow.toString(),
accountStatus: student.accountStatus,
});
} catch (err) {
setError(err instanceof Error ? err.message : 'Unknown error');
} finally {
setLoading(false);
}
};
if (studentId) {
fetchStudent();
}
}, [studentId]);
const handleSubmit = async (e: React.FormEvent) => {
e.preventDefault();
setSaving(true);
try {
const updateData = {
stuNo: formData.stuNo,
name: formData.name,
gender: formData.gender || null,
department: formData.department || null,
major: formData.major || null,
grade: formData.grade || null,
class: formData.class || null,
phone: formData.phone || null,
email: formData.email || null,
maxBorrow: parseInt(formData.maxBorrow),
accountStatus: formData.accountStatus,
};
const response = await fetch(`/api/students/${studentId}`, {
method: 'PUT',
headers: {
'Content-Type': 'application/json',
},
body: JSON.stringify(updateData),
});
if (response.ok) {
router.push(`/admin/students/${studentId}`);
} else {
const errorData = await response.json();
alert(`更新失败: ${errorData.error || 'Unknown error'}`);
}
} catch (error) {
console.error('Update error:', error);
alert('更新失败');
} finally {
setSaving(false);
}
};
const handleChange = (e: React.ChangeEvent<HTMLInputElement | HTMLSelectElement>) => {
const { name, value } = e.target;
setFormData(prev => ({
...prev,
[name]: value
}));
};
if (loading) {
return (
<div className="min-h-screen bg-gray-50 flex items-center justify-center">
<div className="text-lg">加载中...</div>
</div>
);
}
if (error) {
return (
<div className="min-h-screen bg-gray-50 flex items-center justify-center">
<div className="text-red-600">错误: {error}</div>
</div>
);
}
return (
<div className="min-h-screen bg-gray-50">
<div className="max-w-4xl mx-auto p-6">
{/* Header */}
<div className="flex items-center justify-between mb-6">
<div className="flex items-center gap-4">
<button
onClick={() => router.back()}
className="flex items-center gap-2 text-gray-600 hover:text-gray-900"
>
<ArrowLeft size={20} />
返回
</button>
<h1 className="text-2xl font-bold text-gray-900">编辑学生</h1>
</div>
</div>
{/* Form */}
<div className="bg-white rounded-lg shadow-sm border p-6">
<form onSubmit={handleSubmit} className="space-y-6">
<div className="grid grid-cols-1 md:grid-cols-2 gap-6">
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
学号 *
</label>
<input
type="text"
name="stuNo"
value={formData.stuNo}
onChange={handleChange}
required
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
姓名 *
</label>
<input
type="text"
name="name"
value={formData.name}
onChange={handleChange}
required
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
性别
</label>
<select
name="gender"
value={formData.gender}
onChange={handleChange}
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
>
<option value="">请选择</option>
<option value="M">男</option>
<option value="F">女</option>
</select>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
院系
</label>
<input
type="text"
name="department"
value={formData.department}
onChange={handleChange}
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
专业
</label>
<input
type="text"
name="major"
value={formData.major}
onChange={handleChange}
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
年级
</label>
<input
type="text"
name="grade"
value={formData.grade}
onChange={handleChange}
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
班级
</label>
<input
type="text"
name="class"
value={formData.class}
onChange={handleChange}
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
电话
</label>
<input
type="tel"
name="phone"
value={formData.phone}
onChange={handleChange}
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
邮箱
</label>
<input
type="email"
name="email"
value={formData.email}
onChange={handleChange}
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
最大借阅数 *
</label>
<input
type="number"
name="maxBorrow"
value={formData.maxBorrow}
onChange={handleChange}
required
min="1"
max="50"
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
账户状态 *
</label>
<select
name="accountStatus"
value={formData.accountStatus}
onChange={handleChange}
required
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
>
<option value="active">正常</option>
<option value="frozen">冻结</option>
<option value="reported">挂失</option>
</select>
</div>
</div>
<div className="flex justify-end gap-4">
<button
type="button"
onClick={() => router.back()}
className="px-6 py-2 border border-gray-300 text-gray-700 rounded-lg hover:bg-gray-50"
>
取消
</button>
<button
type="submit"
disabled={saving}
className="flex items-center gap-2 px-6 py-2 bg-blue-600 text-white rounded-lg hover:bg-blue-700 disabled:opacity-50"
>
<Save size={16} />
{saving ? '保存中...' : '保存'}
</button>
</div>
</form>
</div>
</div>
</div>
);
}

240
src/app/admin/students/[id]/page.tsx Normal file
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'use client';
import { useState, useEffect } from 'react';
import { useParams, useRouter } from 'next/navigation';
import { Student } from '@/lib/types';
import { ArrowLeft, Edit, Trash2, User, BookOpen } from 'lucide-react';
export default function StudentDetailPage() {
const params = useParams();
const router = useRouter();
const studentId = params.id as string;
const [student, setStudent] = useState<Student | null>(null);
const [loading, setLoading] = useState(true);
const [error, setError] = useState<string | null>(null);
useEffect(() => {
const fetchStudent = async () => {
try {
const response = await fetch(`/api/students/${studentId}`);
if (!response.ok) {
throw new Error('Failed to fetch student');
}
const data = await response.json();
setStudent(data);
} catch (err) {
setError(err instanceof Error ? err.message : 'Unknown error');
} finally {
setLoading(false);
}
};
if (studentId) {
fetchStudent();
}
}, [studentId]);
const handleDelete = async () => {
if (!student || !confirm('确定要删除这个学生账户吗？')) return;
try {
const response = await fetch(`/api/students/${studentId}`, {
method: 'DELETE',
});
if (response.ok) {
router.push('/admin/students');
} else {
alert('删除失败');
}
} catch (error) {
console.error('Delete error:', error);
alert('删除失败');
}
};
if (loading) {
return (
<div className="min-h-screen bg-gray-50 flex items-center justify-center">
<div className="text-lg">加载中...</div>
</div>
);
}
if (error) {
return (
<div className="min-h-screen bg-gray-50 flex items-center justify-center">
<div className="text-red-600">错误: {error}</div>
</div>
);
}
if (!student) {
return (
<div className="min-h-screen bg-gray-50 flex items-center justify-center">
<div>未找到学生</div>
</div>
);
}
return (
<div className="min-h-screen bg-gray-50">
<div className="max-w-4xl mx-auto p-6">
{/* Header */}
<div className="flex items-center justify-between mb-6">
<div className="flex items-center gap-4">
<button
onClick={() => router.back()}
className="flex items-center gap-2 text-gray-600 hover:text-gray-900"
>
<ArrowLeft size={20} />
返回
</button>
<h1 className="text-2xl font-bold text-gray-900">学生详情</h1>
</div>
<div className="flex gap-2">
<button
onClick={() => router.push(`/admin/students/${studentId}/edit`)}
className="flex items-center gap-2 px-4 py-2 bg-blue-600 text-white rounded-lg hover:bg-blue-700"
>
<Edit size={16} />
编辑
</button>
<button
onClick={handleDelete}
className="flex items-center gap-2 px-4 py-2 bg-red-600 text-white rounded-lg hover:bg-red-700"
>
<Trash2 size={16} />
删除
</button>
</div>
</div>
{/* Student Info Card */}
<div className="bg-white rounded-lg shadow-sm border p-6 mb-6">
<div className="grid grid-cols-1 md:grid-cols-3 gap-6">
{/* Avatar */}
<div className="flex flex-col items-center">
<div className="w-32 h-32 bg-gray-200 rounded-full flex items-center justify-center mb-4">
<User size={48} className="text-gray-400" />
</div>
<div className="text-center">
<div className={`inline-block px-3 py-1 rounded-full text-sm ${
student.accountStatus === 'active'
? 'bg-green-100 text-green-800'
: student.accountStatus === 'frozen'
? 'bg-yellow-100 text-yellow-800'
: 'bg-red-100 text-red-800'
}`}>
{student.accountStatus === 'active' ? '正常' :
student.accountStatus === 'frozen' ? '冻结' : '挂失'}
</div>
</div>
</div>
{/* Student Details */}
<div className="md:col-span-2 space-y-4">
<div>
<h2 className="text-2xl font-bold text-gray-900 mb-2">{student.name}</h2>
<p className="text-lg text-gray-600">学号: {student.stuNo}</p>
</div>
<div className="grid grid-cols-1 sm:grid-cols-2 gap-4">
<div>
<label className="block text-sm font-medium text-gray-700">性别</label>
<p className="text-gray-900">{student.gender === 'M' ? '男' : student.gender === 'F' ? '女' : '-'}</p>
</div>
<div>
<label className="block text-sm font-medium text-gray-700">院系</label>
<p className="text-gray-900">{student.department || '-'}</p>
</div>
<div>
<label className="block text-sm font-medium text-gray-700">专业</label>
<p className="text-gray-900">{student.major || '-'}</p>
</div>
<div>
<label className="block text-sm font-medium text-gray-700">年级</label>
<p className="text-gray-900">{student.grade || '-'}</p>
</div>
<div>
<label className="block text-sm font-medium text-gray-700">班级</label>
<p className="text-gray-900">{student.class || '-'}</p>
</div>
<div>
<label className="block text-sm font-medium text-gray-700">电话</label>
<p className="text-gray-900">{student.phone || '-'}</p>
</div>
<div>
<label className="block text-sm font-medium text-gray-700">邮箱</label>
<p className="text-gray-900">{student.email || '-'}</p>
</div>
<div>
<label className="block text-sm font-medium text-gray-700">账户状态</label>
<p className="text-gray-900">
{student.accountStatus === 'active' ? '正常' :
student.accountStatus === 'frozen' ? '冻结' : '挂失'}
</p>
</div>
<div>
<label className="block text-sm font-medium text-gray-700">最大借阅数</label>
<p className="text-gray-900">{student.maxBorrow}</p>
</div>
<div>
<label className="block text-sm font-medium text-gray-700">当前借阅数</label>
<p className="text-gray-900">{student.currentBorrow}</p>
</div>
<div>
<label className="block text-sm font-medium text-gray-700">注册时间</label>
<p className="text-gray-900">
{student.createdAt ? new Date(student.createdAt).toLocaleDateString('zh-CN') : '-'}
</p>
</div>
</div>
</div>
</div>
</div>
{/* Borrowing Statistics */}
<div className="grid grid-cols-1 md:grid-cols-3 gap-6 mb-6">
<div className="bg-white rounded-lg shadow-sm border p-6">
<div className="flex items-center justify-between">
<div>
<p className="text-sm font-medium text-gray-600">当前借阅</p>
<p className="text-2xl font-bold text-blue-600">{student.currentBorrow}</p>
</div>
<BookOpen className="h-8 w-8 text-blue-600" />
</div>
</div>
<div className="bg-white rounded-lg shadow-sm border p-6">
<div className="flex items-center justify-between">
<div>
<p className="text-sm font-medium text-gray-600">可借阅</p>
<p className="text-2xl font-bold text-green-600">{student.maxBorrow - student.currentBorrow}</p>
</div>
<BookOpen className="h-8 w-8 text-green-600" />
</div>
</div>
<div className="bg-white rounded-lg shadow-sm border p-6">
<div className="flex items-center justify-between">
<div>
<p className="text-sm font-medium text-gray-600">历史借阅</p>
<p className="text-2xl font-bold text-gray-600">0</p>
</div>
<BookOpen className="h-8 w-8 text-gray-600" />
</div>
</div>
</div>
{/* Recent Activities */}
<div className="bg-white rounded-lg shadow-sm border p-6">
<h3 className="text-lg font-semibold text-gray-900 mb-4">最近活动</h3>
<div className="text-gray-500 text-center py-8">
暂无活动记录
</div>
</div>
</div>
</div>
);
}

299
src/app/admin/students/add/page.tsx Normal file
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'use client';
import { useState } from 'react';
import { useRouter } from 'next/navigation';
import { ArrowLeft, Save } from 'lucide-react';
export default function AddStudentPage() {
const router = useRouter();
const [saving, setSaving] = useState(false);
const [formData, setFormData] = useState({
stuNo: '',
name: '',
gender: '',
department: '',
major: '',
grade: '',
class: '',
phone: '',
email: '',
maxBorrow: '10',
accountStatus: 'active',
enrollmentDate: '',
});
const handleSubmit = async (e: React.FormEvent) => {
e.preventDefault();
setSaving(true);
try {
const createData = {
stuNo: formData.stuNo,
name: formData.name,
gender: formData.gender || null,
department: formData.department || null,
major: formData.major || null,
grade: formData.grade || null,
class: formData.class || null,
phone: formData.phone || null,
email: formData.email || null,
maxBorrow: parseInt(formData.maxBorrow),
accountStatus: formData.accountStatus,
enrollmentDate: formData.enrollmentDate || null,
currentBorrow: 0,
passwordHash: null, // 待实现密码设置
};
const response = await fetch('/api/students', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
},
body: JSON.stringify(createData),
});
if (response.ok) {
const student = await response.json();
router.push(`/admin/students/${student.studentId}`);
} else {
const errorData = await response.json();
alert(`添加失败: ${errorData.error || 'Unknown error'}`);
}
} catch (error) {
console.error('Create error:', error);
alert('添加失败');
} finally {
setSaving(false);
}
};
const handleChange = (e: React.ChangeEvent<HTMLInputElement | HTMLSelectElement>) => {
const { name, value } = e.target;
setFormData(prev => ({
...prev,
[name]: value
}));
};
return (
<div className="min-h-screen bg-gray-50">
<div className="max-w-4xl mx-auto p-6">
{/* Header */}
<div className="flex items-center justify-between mb-6">
<div className="flex items-center gap-4">
<button
onClick={() => router.back()}
className="flex items-center gap-2 text-gray-600 hover:text-gray-900"
>
<ArrowLeft size={20} />
返回
</button>
<h1 className="text-2xl font-bold text-gray-900">添加学生</h1>
</div>
</div>
{/* Form */}
<div className="bg-white rounded-lg shadow-sm border p-6">
<form onSubmit={handleSubmit} className="space-y-6">
<div className="grid grid-cols-1 md:grid-cols-2 gap-6">
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
学号 *
</label>
<input
type="text"
name="stuNo"
value={formData.stuNo}
onChange={handleChange}
required
placeholder="请输入学号"
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
姓名 *
</label>
<input
type="text"
name="name"
value={formData.name}
onChange={handleChange}
required
placeholder="请输入姓名"
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
性别
</label>
<select
name="gender"
value={formData.gender}
onChange={handleChange}
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
>
<option value="">请选择</option>
<option value="M">男</option>
<option value="F">女</option>
</select>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
院系
</label>
<input
type="text"
name="department"
value={formData.department}
onChange={handleChange}
placeholder="计算机学院"
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
专业
</label>
<input
type="text"
name="major"
value={formData.major}
onChange={handleChange}
placeholder="计算机科学与技术"
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
年级
</label>
<input
type="text"
name="grade"
value={formData.grade}
onChange={handleChange}
placeholder="2024"
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
班级
</label>
<input
type="text"
name="class"
value={formData.class}
onChange={handleChange}
placeholder="计科1班"
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
电话
</label>
<input
type="tel"
name="phone"
value={formData.phone}
onChange={handleChange}
placeholder="13800138000"
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
邮箱
</label>
<input
type="email"
name="email"
value={formData.email}
onChange={handleChange}
placeholder="student@example.com"
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
最大借阅数 *
</label>
<input
type="number"
name="maxBorrow"
value={formData.maxBorrow}
onChange={handleChange}
required
min="1"
max="50"
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
账户状态 *
</label>
<select
name="accountStatus"
value={formData.accountStatus}
onChange={handleChange}
required
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
>
<option value="active">正常</option>
<option value="frozen">冻结</option>
<option value="reported">挂失</option>
</select>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
入学日期
</label>
<input
type="date"
name="enrollmentDate"
value={formData.enrollmentDate}
onChange={handleChange}
className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
/>
</div>
</div>
<div className="flex justify-end gap-4">
<button
type="button"
onClick={() => router.back()}
className="px-6 py-2 border border-gray-300 text-gray-700 rounded-lg hover:bg-gray-50"
>
取消
</button>
<button
type="submit"
disabled={saving}
className="flex items-center gap-2 px-6 py-2 bg-blue-600 text-white rounded-lg hover:bg-blue-700 disabled:opacity-50"
>
<Save size={16} />
{saving ? '添加中...' : '添加'}
</button>
</div>
</form>
</div>
</div>
</div>
);
}

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'use client';
import { useState } from 'react';
import { useQuery } from '@tanstack/react-query';
import {
Plus,
Search,
Edit,
Eye,
Users,
UserCheck,
UserX
} from 'lucide-react';
import Link from 'next/link';
import { Student, StudentSearchFilters } from '@/lib/types';
async function fetchStudents(filters: StudentSearchFilters & { page: number; pageSize: number }) {
const params = new URLSearchParams();
Object.entries(filters).forEach(([key, value]) => {
if (value !== undefined && value !== '') {
params.append(key, value.toString());
}
});
const response = await fetch(`/api/students?${params}`);
if (!response.ok) {
throw new Error('Failed to fetch students');
}
return response.json();
}
export default function AdminStudentsPage() {
const [searchFilters, setSearchFilters] = useState<StudentSearchFilters>({});
const [page, setPage] = useState(1);
const pageSize = 20;
const { data, isLoading, error, refetch } = useQuery({
queryKey: ['admin-students', searchFilters, page, pageSize],
queryFn: () => fetchStudents({ ...searchFilters, page, pageSize }),
});
const handleSearch = (e: React.FormEvent<HTMLFormElement>) => {
e.preventDefault();
setPage(1);
refetch();
};
const handleInputChange = (field: keyof StudentSearchFilters, value: string) => {
setSearchFilters(prev => ({
...prev,
[field]: value || undefined,
}));
};
return (
<div className="min-h-screen bg-gray-50">
<div className="container mx-auto px-4 py-8">
{/* Header */}
<div className="flex justify-between items-center mb-8">
<div>
<h1 className="text-3xl font-bold text-gray-800 mb-2">学生管理</h1>
<p className="text-gray-600">管理学生账户和信息</p>
</div>
<Link
href="/admin/students/add"
className="bg-blue-600 hover:bg-blue-700 text-white px-4 py-2 rounded-lg flex items-center gap-2 transition-colors"
>
<Plus className="h-4 w-4" />
添加学生
</Link>
</div>
{/* Search and Filters */}
<div className="bg-white rounded-lg shadow-md p-6 mb-8">
<form onSubmit={handleSearch} className="space-y-4">
<div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-4">
<div>
<label className="block text-sm font-medium text-gray-700 mb-1">
姓名
</label>
<input
type="text"
className="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
placeholder="输入学生姓名"
value={searchFilters.name || ''}
onChange={(e) => handleInputChange('name', e.target.value)}
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-1">
学号
</label>
<input
type="text"
className="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
placeholder="输入学号"
value={searchFilters.stuNo || ''}
onChange={(e) => handleInputChange('stuNo', e.target.value)}
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-1">
院系
</label>
<input
type="text"
className="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
placeholder="输入院系名称"
value={searchFilters.department || ''}
onChange={(e) => handleInputChange('department', e.target.value)}
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-1">
账户状态
</label>
<select
className="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
value={searchFilters.accountStatus || ''}
onChange={(e) => handleInputChange('accountStatus', e.target.value)}
>
<option value="">全部状态</option>
<option value="active">正常</option>
<option value="frozen">冻结</option>
<option value="reported">挂失</option>
</select>
</div>
</div>
<div className="flex justify-end">
<button
type="submit"
className="bg-blue-600 hover:bg-blue-700 text-white px-6 py-2 rounded-md flex items-center gap-2 transition-colors"
>
<Search className="h-4 w-4" />
搜索
</button>
</div>
</form>
</div>
{/* Results */}
{isLoading ? (
<div className="text-center py-12">
<div className="animate-spin rounded-full h-8 w-8 border-b-2 border-blue-600 mx-auto"></div>
<p className="mt-4 text-gray-600">加载中...</p>
</div>
) : error ? (
<div className="text-center py-12">
<p className="text-red-600">加载失败，请重试</p>
</div>
) : (
<>
{/* Results Header */}
<div className="flex justify-between items-center mb-6">
<p className="text-gray-600">
找到 {data?.data?.total || 0} 名学生
</p>
</div>
{/* Students Table */}
<div className="bg-white rounded-lg shadow-md overflow-hidden">
<table className="min-w-full divide-y divide-gray-200">
<thead className="bg-gray-50">
<tr>
<th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
学生信息
</th>
<th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
院系专业
</th>
<th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
借阅状态
</th>
<th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
账户状态
</th>
<th className="px-6 py-3 text-right text-xs font-medium text-gray-500 uppercase tracking-wider">
操作
</th>
</tr>
</thead>
<tbody className="bg-white divide-y divide-gray-200">
{data?.data?.data?.map((student: Omit<Student, 'passwordHash'>) => (
<tr key={student.studentId} className="hover:bg-gray-50">
<td className="px-6 py-4 whitespace-nowrap">
<div className="flex items-center">
<div className="flex-shrink-0 h-10 w-10">
<div className="h-10 w-10 bg-gray-200 rounded-full flex items-center justify-center">
<Users className="h-5 w-5 text-gray-400" />
</div>
</div>
<div className="ml-4">
<div className="text-sm font-medium text-gray-900">
{student.name}
</div>
<div className="text-sm text-gray-500">
学号: {student.stuNo}
</div>
<div className="text-sm text-gray-500">
{student.gender === 'M' ? '男' : student.gender === 'F' ? '女' : ''}
</div>
</div>
</div>
</td>
<td className="px-6 py-4 whitespace-nowrap">
<div className="text-sm text-gray-900">{student.department}</div>
<div className="text-sm text-gray-500">{student.major}</div>
<div className="text-sm text-gray-500">
{student.grade}级 {student.class}班
</div>
</td>
<td className="px-6 py-4 whitespace-nowrap">
<div className="text-sm text-gray-900">
当前借阅: {student.currentBorrow}/{student.maxBorrow}
</div>
<div className="w-full bg-gray-200 rounded-full h-2 mt-1">
<div
className="bg-blue-600 h-2 rounded-full"
style={{ width: `${(student.currentBorrow / student.maxBorrow) * 100}%` }}
></div>
</div>
</td>
<td className="px-6 py-4 whitespace-nowrap">
<span className={`inline-flex items-center px-2 py-1 text-xs font-semibold rounded-full ${
student.accountStatus === 'active' ? 'bg-green-100 text-green-800' :
student.accountStatus === 'frozen' ? 'bg-red-100 text-red-800' :
'bg-yellow-100 text-yellow-800'
}`}>
{student.accountStatus === 'active' && <UserCheck className="h-3 w-3 mr-1" />}
{student.accountStatus === 'frozen' && <UserX className="h-3 w-3 mr-1" />}
{student.accountStatus === 'active' ? '正常' :
student.accountStatus === 'frozen' ? '冻结' : '挂失'}
</span>
</td>
<td className="px-6 py-4 whitespace-nowrap text-right text-sm font-medium">
<div className="flex justify-end space-x-2">
<Link
href={`/admin/students/${student.studentId}`}
className="text-blue-600 hover:text-blue-900"
>
<Eye className="h-4 w-4" />
</Link>
<Link
href={`/admin/students/${student.studentId}/edit`}
className="text-green-600 hover:text-green-900"
>
<Edit className="h-4 w-4" />
</Link>
</div>
</td>
</tr>
))}
</tbody>
</table>
</div>
{/* Pagination */}
{data?.data?.totalPages > 1 && (
<div className="flex justify-center mt-8">
<div className="flex gap-2">
{page > 1 && (
<button
onClick={() => setPage(page - 1)}
className="px-4 py-2 border border-gray-300 rounded-md hover:bg-gray-50"
>
上一页
</button>
)}
{[...Array(Math.min(5, data.data.totalPages))].map((_, i) => {
const pageNum = i + 1;
return (
<button
key={pageNum}
onClick={() => setPage(pageNum)}
className={`px-4 py-2 border rounded-md ${
page === pageNum
? 'bg-blue-600 text-white border-blue-600'
: 'border-gray-300 hover:bg-gray-50'
}`}
>
{pageNum}
</button>
);
})}
{page < data.data.totalPages && (
<button
onClick={() => setPage(page + 1)}
className="px-4 py-2 border border-gray-300 rounded-md hover:bg-gray-50"
>
下一页
</button>
)}
</div>
</div>
)}
</>
)}
</div>
</div>
);
}

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import { NextRequest, NextResponse } from 'next/server';
import { db } from '@/lib/db';
import { books, reviews } from '@/lib/db/schema';
import { eq, avg, count } from 'drizzle-orm';
export async function GET(
request: NextRequest,
context: { params: Promise<{ id: string }> }
) {
try {
const { id } = await context.params;
const bookId = parseInt(id);
if (isNaN(bookId)) {
return NextResponse.json(
{ success: false, error: 'Invalid book ID' },
{ status: 400 }
);
}
// 获取图书基本信息
const book = await db
.select()
.from(books)
.where(eq(books.bookId, bookId))
.limit(1);
if (book.length === 0) {
return NextResponse.json(
{ success: false, error: 'Book not found' },
{ status: 404 }
);
}
// 获取评价统计
const reviewStats = await db
.select({
averageRating: avg(reviews.rating),
reviewCount: count(reviews.reviewId),
})
.from(reviews)
.where(eq(reviews.bookId, bookId));
const bookWithDetails = {
...book[0],
averageRating: reviewStats[0].averageRating || 0,
reviewCount: reviewStats[0].reviewCount || 0,
};
return NextResponse.json({
success: true,
data: bookWithDetails
});
} catch (error) {
console.error('Error fetching book:', error);
return NextResponse.json(
{ success: false, error: 'Failed to fetch book' },
{ status: 500 }
);
}
}
export async function PUT(
request: NextRequest,
context: { params: Promise<{ id: string }> }
) {
try {
const { id } = await context.params;
const bookId = parseInt(id);
const body = await request.json();
if (isNaN(bookId)) {
return NextResponse.json(
{ success: false, error: 'Invalid book ID' },
{ status: 400 }
);
}
const updatedBook = await db
.update(books)
.set({
...body,
updatedAt: new Date(),
})
.where(eq(books.bookId, bookId))
.returning();
if (updatedBook.length === 0) {
return NextResponse.json(
{ success: false, error: 'Book not found' },
{ status: 404 }
);
}
return NextResponse.json({
success: true,
data: updatedBook[0],
message: 'Book updated successfully'
});
} catch (error) {
console.error('Error updating book:', error);
return NextResponse.json(
{ success: false, error: 'Failed to update book' },
{ status: 500 }
);
}
}
export async function DELETE(
request: NextRequest,
context: { params: Promise<{ id: string }> }
) {
try {
const { id } = await context.params;
const bookId = parseInt(id);
if (isNaN(bookId)) {
return NextResponse.json(
{ success: false, error: 'Invalid book ID' },
{ status: 400 }
);
}
// 软删除：更新状态为 removed
const deletedBook = await db
.update(books)
.set({
status: 'removed',
availableCopies: 0,
updatedAt: new Date(),
})
.where(eq(books.bookId, bookId))
.returning();
if (deletedBook.length === 0) {
return NextResponse.json(
{ success: false, error: 'Book not found' },
{ status: 404 }
);
}
return NextResponse.json({
success: true,
message: 'Book removed successfully'
});
} catch (error) {
console.error('Error deleting book:', error);
return NextResponse.json(
{ success: false, error: 'Failed to delete book' },
{ status: 500 }
);
}
}

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import { NextRequest, NextResponse } from 'next/server';
import { db } from '@/lib/db';
import { books } from '@/lib/db/schema';
import { eq, ilike, and, sql } from 'drizzle-orm';
import { BookSearchFilters, PaginatedResponse, Book } from '@/lib/types';
export async function GET(request: NextRequest) {
try {
const { searchParams } = new URL(request.url);
// 分页参数
const page = parseInt(searchParams.get('page') || '1');
const pageSize = parseInt(searchParams.get('pageSize') || '10');
const offset = (page - 1) * pageSize;
// 搜索参数
const filters: BookSearchFilters = {
title: searchParams.get('title') || undefined,
author: searchParams.get('author') || undefined,
isbn: searchParams.get('isbn') || undefined,
classificationNo: searchParams.get('classificationNo') || undefined,
status: (searchParams.get('status') as 'normal' | 'damaged' | 'removed') || undefined,
available: searchParams.get('available') === 'true' ? true : undefined,
};
// 构建查询条件
const conditions = [];
if (filters.title) {
conditions.push(ilike(books.title, `%${filters.title}%`));
}
if (filters.author) {
conditions.push(sql`${books.authors} && ARRAY[${filters.author}]`);
}
if (filters.isbn) {
conditions.push(eq(books.isbn, filters.isbn));
}
if (filters.classificationNo) {
conditions.push(eq(books.classificationNo, filters.classificationNo));
}
if (filters.status) {
conditions.push(eq(books.status, filters.status as 'normal' | 'damaged' | 'removed'));
}
if (filters.available) {
conditions.push(sql`${books.availableCopies} > 0`);
}
const whereClause = conditions.length > 0 ? and(...conditions) : undefined;
// 获取总数
const totalResult = await db
.select({ count: sql<number>`count(*)` })
.from(books)
.where(whereClause);
const total = totalResult[0].count;
// 获取分页数据
const booksData = await db
.select()
.from(books)
.where(whereClause)
.limit(pageSize)
.offset(offset)
.orderBy(books.createdAt);
const response: PaginatedResponse<Book> = {
data: booksData,
total,
page,
pageSize,
totalPages: Math.ceil(total / pageSize),
};
return NextResponse.json({ success: true, data: response });
} catch (error) {
console.error('Error fetching books:', error);
return NextResponse.json(
{ success: false, error: 'Failed to fetch books' },
{ status: 500 }
);
}
}
export async function POST(request: NextRequest) {
try {
const body = await request.json();
const newBook = await db
.insert(books)
.values({
...body,
availableCopies: body.totalCopies || 1,
})
.returning();
return NextResponse.json({
success: true,
data: newBook[0],
message: 'Book created successfully'
});
} catch (error) {
console.error('Error creating book:', error);
return NextResponse.json(
{ success: false, error: 'Failed to create book' },
{ status: 500 }
);
}
}

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import { NextRequest, NextResponse } from 'next/server';
import { db } from '@/lib/db';
import { borrowRecords, reservations } from '@/lib/db/schema';
import { eq, and, sql } from 'drizzle-orm';
import { addDays } from 'date-fns';
export async function POST(request: NextRequest) {
try {
const { borrowId } = await request.json();
if (!borrowId) {
return NextResponse.json(
{ success: false, error: 'Borrow ID is required' },
{ status: 400 }
);
}
// 开始事务
const result = await db.transaction(async (tx) => {
// 查找借阅记录
const borrowRecord = await tx
.select()
.from(borrowRecords)
.where(eq(borrowRecords.borrowId, borrowId))
.limit(1);
if (borrowRecord.length === 0) {
throw new Error('Borrow record not found');
}
if (borrowRecord[0].status !== 'borrowed') {
throw new Error('Book is not currently borrowed');
}
// 检查续借次数限制
const maxRenewTimes = 2; // 最多续借2次，可以从系统设置中读取
if (borrowRecord[0].renewTimes >= maxRenewTimes) {
throw new Error(`Maximum renewal limit (${maxRenewTimes}) reached`);
}
// 检查是否有其他学生预约此书
const hasReservation = await tx
.select()
.from(reservations)
.where(
and(
eq(reservations.bookId, borrowRecord[0].bookId),
eq(reservations.status, 'waiting')
)
)
.limit(1);
if (hasReservation.length > 0) {
throw new Error('Cannot renew: book is reserved by another student');
}
// 计算新的到期日期（续借30天）
const currentDueDate = new Date(borrowRecord[0].dueDate);
const newDueDate = addDays(currentDueDate, 30);
// 更新借阅记录
const updatedBorrow = await tx
.update(borrowRecords)
.set({
dueDate: newDueDate.toISOString().split('T')[0],
renewTimes: sql`${borrowRecords.renewTimes} + 1`,
updatedAt: new Date(),
})
.where(eq(borrowRecords.borrowId, borrowId))
.returning();
return updatedBorrow[0];
});
return NextResponse.json({
success: true,
data: result,
message: 'Book renewed successfully',
});
} catch (error) {
console.error('Error renewing book:', error);
return NextResponse.json(
{
success: false,
error: error instanceof Error ? error.message : 'Failed to renew book'
},
{ status: 500 }
);
}
}

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import { NextRequest, NextResponse } from 'next/server';
import { db } from '@/lib/db';
import { borrowRecords, books, students, fines } from '@/lib/db/schema';
import { eq, sql } from 'drizzle-orm';
import { differenceInDays } from 'date-fns';
export async function POST(request: NextRequest) {
try {
const { borrowId } = await request.json();
if (!borrowId) {
return NextResponse.json(
{ success: false, error: 'Borrow ID is required' },
{ status: 400 }
);
}
// 开始事务
const result = await db.transaction(async (tx) => {
// 查找借阅记录
const borrowRecord = await tx
.select()
.from(borrowRecords)
.where(eq(borrowRecords.borrowId, borrowId))
.limit(1);
if (borrowRecord.length === 0) {
throw new Error('Borrow record not found');
}
if (borrowRecord[0].status !== 'borrowed') {
throw new Error('Book is not currently borrowed');
}
const returnDate = new Date();
const dueDate = new Date(borrowRecord[0].dueDate);
const overdueDays = differenceInDays(returnDate, dueDate);
// 计算罚款
let fineAmount = 0;
if (overdueDays > 0) {
const finePerDay = 1.0; // 每天1元罚款，可以从系统设置中读取
fineAmount = overdueDays * finePerDay;
}
// 更新借阅记录
const updatedBorrow = await tx
.update(borrowRecords)
.set({
returnDate: returnDate.toISOString().split('T')[0],
status: overdueDays > 0 ? 'overdue' : 'returned',
fineAmount: fineAmount.toString(),
updatedAt: new Date(),
})
.where(eq(borrowRecords.borrowId, borrowId))
.returning();
// 更新图书可借数量
await tx
.update(books)
.set({
availableCopies: sql`${books.availableCopies} + 1`,
updatedAt: new Date(),
})
.where(eq(books.bookId, borrowRecord[0].bookId));
// 更新学生当前借阅数量
await tx
.update(students)
.set({
currentBorrow: sql`${students.currentBorrow} - 1`,
updatedAt: new Date(),
})
.where(eq(students.studentId, borrowRecord[0].studentId));
// 如果有罚款，创建罚款记录
if (fineAmount > 0) {
await tx
.insert(fines)
.values({
studentId: borrowRecord[0].studentId,
borrowId: borrowId,
fineType: 'overdue',
amount: fineAmount.toString(),
reason: `Overdue return: ${overdueDays} days late`,
status: 'unpaid',
});
}
return {
...updatedBorrow[0],
overdueDays,
fineAmount,
};
});
return NextResponse.json({
success: true,
data: result,
message: 'Book returned successfully',
});
} catch (error) {
console.error('Error returning book:', error);
return NextResponse.json(
{
success: false,
error: error instanceof Error ? error.message : 'Failed to return book'
},
{ status: 500 }
);
}
}

187
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import { NextRequest, NextResponse } from 'next/server';
import { db } from '@/lib/db';
import { borrowRecords, books, students } from '@/lib/db/schema';
import { eq, and, sql } from 'drizzle-orm';
import { addDays } from 'date-fns';
export async function POST(request: NextRequest) {
try {
const { bookId, studentId } = await request.json();
if (!bookId || !studentId) {
return NextResponse.json(
{ success: false, error: 'Book ID and Student ID are required' },
{ status: 400 }
);
}
// 开始事务
const result = await db.transaction(async (tx) => {
// 检查图书是否可借
const book = await tx
.select()
.from(books)
.where(eq(books.bookId, bookId))
.limit(1);
if (book.length === 0) {
throw new Error('Book not found');
}
if (book[0].availableCopies <= 0) {
throw new Error('Book is not available for borrowing');
}
if (book[0].status !== 'normal') {
throw new Error('Book is not in normal status');
}
// 检查学生状态
const student = await tx
.select()
.from(students)
.where(eq(students.studentId, studentId))
.limit(1);
if (student.length === 0) {
throw new Error('Student not found');
}
if (student[0].accountStatus !== 'active') {
throw new Error('Student account is not active');
}
if (student[0].currentBorrow >= student[0].maxBorrow) {
throw new Error('Student has reached maximum borrow limit');
}
// 检查是否已借阅此书
const existingBorrow = await tx
.select()
.from(borrowRecords)
.where(
and(
eq(borrowRecords.bookId, bookId),
eq(borrowRecords.studentId, studentId),
eq(borrowRecords.status, 'borrowed')
)
)
.limit(1);
if (existingBorrow.length > 0) {
throw new Error('Student has already borrowed this book');
}
// 计算到期日期（默认30天）
const borrowDate = new Date();
const dueDate = addDays(borrowDate, 30);
// 创建借阅记录
const newBorrow = await tx
.insert(borrowRecords)
.values({
bookId,
studentId,
borrowDate: borrowDate.toISOString().split('T')[0],
dueDate: dueDate.toISOString().split('T')[0],
status: 'borrowed',
})
.returning();
// 更新图书可借数量
await tx
.update(books)
.set({
availableCopies: sql`${books.availableCopies} - 1`,
updatedAt: new Date(),
})
.where(eq(books.bookId, bookId));
// 更新学生当前借阅数量
await tx
.update(students)
.set({
currentBorrow: sql`${students.currentBorrow} + 1`,
updatedAt: new Date(),
})
.where(eq(students.studentId, studentId));
return newBorrow[0];
});
return NextResponse.json({
success: true,
data: result,
message: 'Book borrowed successfully',
});
} catch (error) {
console.error('Error borrowing book:', error);
return NextResponse.json(
{
success: false,
error: error instanceof Error ? error.message : 'Failed to borrow book'
},
{ status: 500 }
);
}
}
export async function GET(request: NextRequest) {
try {
const { searchParams } = new URL(request.url);
const studentId = searchParams.get('studentId');
const status = searchParams.get('status');
// 构建查询条件
const conditions = [];
if (studentId) {
conditions.push(eq(borrowRecords.studentId, parseInt(studentId)));
}
if (status) {
conditions.push(eq(borrowRecords.status, status as 'borrowed' | 'returned' | 'overdue'));
}
const whereClause = conditions.length > 0 ? and(...conditions) : undefined;
// 获取借阅记录，包含图书和学生信息
const borrows = await db
.select({
borrowId: borrowRecords.borrowId,
borrowDate: borrowRecords.borrowDate,
dueDate: borrowRecords.dueDate,
returnDate: borrowRecords.returnDate,
renewTimes: borrowRecords.renewTimes,
status: borrowRecords.status,
fineAmount: borrowRecords.fineAmount,
notes: borrowRecords.notes,
book: {
bookId: books.bookId,
isbn: books.isbn,
title: books.title,
authors: books.authors,
publisher: books.publisher,
},
student: {
studentId: students.studentId,
stuNo: students.stuNo,
name: students.name,
department: students.department,
},
})
.from(borrowRecords)
.leftJoin(books, eq(borrowRecords.bookId, books.bookId))
.leftJoin(students, eq(borrowRecords.studentId, students.studentId))
.where(whereClause)
.orderBy(borrowRecords.createdAt);
return NextResponse.json({ success: true, data: borrows });
} catch (error) {
console.error('Error fetching borrow records:', error);
return NextResponse.json(
{ success: false, error: 'Failed to fetch borrow records' },
{ status: 500 }
);
}
}

101
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import { NextRequest, NextResponse } from 'next/server';
import { db } from '@/lib/db';
import { students } from '@/lib/db/schema';
import { eq } from 'drizzle-orm';
export async function GET(
request: NextRequest,
{ params }: { params: { id: string } }
) {
try {
const studentId = parseInt(params.id);
if (isNaN(studentId)) {
return NextResponse.json({ error: 'Invalid student ID' }, { status: 400 });
}
const result = await db
.select()
.from(students)
.where(eq(students.studentId, studentId))
.limit(1);
if (result.length === 0) {
return NextResponse.json({ error: 'Student not found' }, { status: 404 });
}
return NextResponse.json(result[0]);
} catch (error) {
console.error('Failed to fetch student:', error);
return NextResponse.json(
{ error: 'Failed to fetch student' },
{ status: 500 }
);
}
}
export async function PUT(
request: NextRequest,
{ params }: { params: { id: string } }
) {
try {
const studentId = parseInt(params.id);
if (isNaN(studentId)) {
return NextResponse.json({ error: 'Invalid student ID' }, { status: 400 });
}
const body = await request.json();
const result = await db
.update(students)
.set({
...body,
updatedAt: new Date(),
})
.where(eq(students.studentId, studentId))
.returning();
if (result.length === 0) {
return NextResponse.json({ error: 'Student not found' }, { status: 404 });
}
return NextResponse.json(result[0]);
} catch (error) {
console.error('Failed to update student:', error);
return NextResponse.json(
{ error: 'Failed to update student' },
{ status: 500 }
);
}
}
export async function DELETE(
request: NextRequest,
{ params }: { params: { id: string } }
) {
try {
const studentId = parseInt(params.id);
if (isNaN(studentId)) {
return NextResponse.json({ error: 'Invalid student ID' }, { status: 400 });
}
const result = await db
.delete(students)
.where(eq(students.studentId, studentId))
.returning();
if (result.length === 0) {
return NextResponse.json({ error: 'Student not found' }, { status: 404 });
}
return NextResponse.json({ message: 'Student deleted successfully' });
} catch (error) {
console.error('Failed to delete student:', error);
return NextResponse.json(
{ error: 'Failed to delete student' },
{ status: 500 }
);
}
}

149
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import { NextRequest, NextResponse } from 'next/server';
import { db } from '@/lib/db';
import { students } from '@/lib/db/schema';
import { eq, ilike, and, sql } from 'drizzle-orm';
import { StudentSearchFilters, PaginatedResponse, Student } from '@/lib/types';
export async function GET(request: NextRequest) {
try {
const { searchParams } = new URL(request.url);
// 分页参数
const page = parseInt(searchParams.get('page') || '1');
const pageSize = parseInt(searchParams.get('pageSize') || '10');
const offset = (page - 1) * pageSize;
// 搜索参数
const filters: StudentSearchFilters = {
name: searchParams.get('name') || undefined,
stuNo: searchParams.get('stuNo') || undefined,
department: searchParams.get('department') || undefined,
major: searchParams.get('major') || undefined,
accountStatus: (searchParams.get('accountStatus') as 'active' | 'frozen' | 'reported') || undefined,
};
// 构建查询条件
const conditions = [];
if (filters.name) {
conditions.push(ilike(students.name, `%${filters.name}%`));
}
if (filters.stuNo) {
conditions.push(eq(students.stuNo, filters.stuNo));
}
if (filters.department) {
conditions.push(ilike(students.department, `%${filters.department}%`));
}
if (filters.major) {
conditions.push(ilike(students.major, `%${filters.major}%`));
}
if (filters.accountStatus) {
conditions.push(eq(students.accountStatus, filters.accountStatus as 'active' | 'frozen' | 'reported'));
}
const whereClause = conditions.length > 0 ? and(...conditions) : undefined;
// 获取总数
const totalResult = await db
.select({ count: sql<number>`count(*)` })
.from(students)
.where(whereClause);
const total = totalResult[0].count;
// 获取分页数据（排除密码字段）
const studentsData = await db
.select({
studentId: students.studentId,
stuNo: students.stuNo,
name: students.name,
gender: students.gender,
department: students.department,
major: students.major,
grade: students.grade,
class: students.class,
phone: students.phone,
email: students.email,
maxBorrow: students.maxBorrow,
currentBorrow: students.currentBorrow,
accountStatus: students.accountStatus,
createdAt: students.createdAt,
})
.from(students)
.where(whereClause)
.limit(pageSize)
.offset(offset)
.orderBy(students.createdAt);
const response: PaginatedResponse<Omit<Student, 'passwordHash'>> = {
data: studentsData,
total,
page,
pageSize,
totalPages: Math.ceil(total / pageSize),
};
return NextResponse.json({ success: true, data: response });
} catch (error) {
console.error('Error fetching students:', error);
return NextResponse.json(
{ success: false, error: 'Failed to fetch students' },
{ status: 500 }
);
}
}
export async function POST(request: NextRequest) {
try {
const body = await request.json();
const newStudent = await db
.insert(students)
.values({
stuNo: body.stuNo,
name: body.name,
gender: body.gender || null,
department: body.department || null,
major: body.major || null,
grade: body.grade || null,
class: body.class || null,
phone: body.phone || null,
email: body.email || null,
maxBorrow: body.maxBorrow || 10,
currentBorrow: 0,
accountStatus: body.accountStatus || 'active',
})
.returning({
studentId: students.studentId,
stuNo: students.stuNo,
name: students.name,
gender: students.gender,
department: students.department,
major: students.major,
grade: students.grade,
class: students.class,
phone: students.phone,
email: students.email,
maxBorrow: students.maxBorrow,
currentBorrow: students.currentBorrow,
accountStatus: students.accountStatus,
createdAt: students.createdAt,
});
return NextResponse.json({
success: true,
data: newStudent[0],
message: 'Student created successfully'
});
} catch (error) {
console.error('Error creating student:', error);
return NextResponse.json(
{ success: false, error: 'Failed to create student' },
{ status: 500 }
);
}
}

36
src/app/api/test-db/route.ts Normal file
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import { NextRequest, NextResponse } from 'next/server';
import { db } from '@/lib/db';
import { sql } from 'drizzle-orm';
export async function GET() {
try {
// 测试数据库连接和 schema
const result = await db.execute(sql`SELECT current_schema(), current_database()`);
// 测试查询 library schema 中的表
const tablesResult = await db.execute(sql`
SELECT table_name
FROM information_schema.tables
WHERE table_schema = 'library'
`);
return NextResponse.json({
success: true,
data: {
connection: result,
tables: tablesResult,
message: 'Database connection successful'
}
});
} catch (error) {
console.error('Database test error:', error);
return NextResponse.json(
{
success: false,
error: error instanceof Error ? error.message : 'Database connection failed',
details: error
},
{ status: 500 }
);
}
}

284
src/app/books/page.tsx Normal file
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'use client';
import { useState } from 'react';
import { useQuery } from '@tanstack/react-query';
import { Search, Eye, Star, BookOpen } from 'lucide-react';
import Link from 'next/link';
import Image from 'next/image';
import { Book, BookSearchFilters } from '@/lib/types';
async function fetchBooks(filters: BookSearchFilters & { page: number; pageSize: number }) {
const params = new URLSearchParams();
Object.entries(filters).forEach(([key, value]) => {
if (value !== undefined && value !== '') {
params.append(key, value.toString());
}
});
const response = await fetch(`/api/books?${params}`);
if (!response.ok) {
throw new Error('Failed to fetch books');
}
return response.json();
}
export default function BooksPage() {
const [searchFilters, setSearchFilters] = useState<BookSearchFilters>({});
const [page, setPage] = useState(1);
const pageSize = 12;
const { data, isLoading, error } = useQuery({
queryKey: ['books', searchFilters, page, pageSize],
queryFn: () => fetchBooks({ ...searchFilters, page, pageSize }),
});
const handleSearch = (e: React.FormEvent<HTMLFormElement>) => {
e.preventDefault();
setPage(1);
};
const handleInputChange = (field: keyof BookSearchFilters, value: string) => {
setSearchFilters(prev => ({
...prev,
[field]: value || undefined,
}));
};
return (
<div className="min-h-screen bg-gray-50">
<div className="container mx-auto px-4 py-8">
{/* Header */}
<div className="mb-8">
<h1 className="text-3xl font-bold text-gray-800 mb-2">图书检索</h1>
<p className="text-gray-600">搜索和浏览图书馆藏书</p>
</div>
{/* Search Filters */}
<div className="bg-white rounded-lg shadow-md p-6 mb-8">
<form onSubmit={handleSearch} className="space-y-4">
<div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-4">
<div>
<label className="block text-sm font-medium text-gray-700 mb-1">
书名
</label>
<input
type="text"
className="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
placeholder="输入书名关键词"
value={searchFilters.title || ''}
onChange={(e) => handleInputChange('title', e.target.value)}
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-1">
作者
</label>
<input
type="text"
className="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
placeholder="输入作者姓名"
value={searchFilters.author || ''}
onChange={(e) => handleInputChange('author', e.target.value)}
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-1">
ISBN
</label>
<input
type="text"
className="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
placeholder="输入ISBN号"
value={searchFilters.isbn || ''}
onChange={(e) => handleInputChange('isbn', e.target.value)}
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-1">
分类号
</label>
<input
type="text"
className="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
placeholder="输入分类号"
value={searchFilters.classificationNo || ''}
onChange={(e) => handleInputChange('classificationNo', e.target.value)}
/>
</div>
</div>
<div className="flex flex-col sm:flex-row gap-4 items-end">
<div>
<label className="block text-sm font-medium text-gray-700 mb-1">
状态
</label>
<select
className="px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
value={searchFilters.status || ''}
onChange={(e) => handleInputChange('status', e.target.value)}
>
<option value="">全部状态</option>
<option value="normal">正常</option>
<option value="damaged">损坏</option>
<option value="removed">下架</option>
</select>
</div>
<div className="flex items-center">
<input
type="checkbox"
id="available"
className="mr-2"
checked={searchFilters.available || false}
onChange={(e) => handleInputChange('available', e.target.checked ? 'true' : '')}
/>
<label htmlFor="available" className="text-sm font-medium text-gray-700">
仅显示可借图书
</label>
</div>
<button
type="submit"
className="bg-blue-600 hover:bg-blue-700 text-white px-6 py-2 rounded-md flex items-center gap-2 transition-colors"
>
<Search className="h-4 w-4" />
搜索
</button>
</div>
</form>
</div>
{/* Results */}
{isLoading ? (
<div className="text-center py-12">
<div className="animate-spin rounded-full h-8 w-8 border-b-2 border-blue-600 mx-auto"></div>
<p className="mt-4 text-gray-600">加载中...</p>
</div>
) : error ? (
<div className="text-center py-12">
<p className="text-red-600">加载失败，请重试</p>
</div>
) : (
<>
{/* Results Header */}
<div className="flex justify-between items-center mb-6">
<p className="text-gray-600">
找到 {data?.data?.total || 0} 本图书
</p>
</div>
{/* Books Grid */}
<div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 xl:grid-cols-4 gap-6">
{data?.data?.data?.map((book: Book) => (
<div key={book.bookId} className="bg-white rounded-lg shadow-md overflow-hidden hover:shadow-lg transition-shadow">
<div className="h-48 bg-gray-200 flex items-center justify-center">
{book.coverUrl ? (
<img
src={`https://picsum.photos/300/300?random=${book.bookId}`}
alt={book.title}
width={192}
height={192}
className="h-full w-full object-cover"
/>
) : (
<BookOpen className="h-16 w-16 text-gray-400" />
)}
</div>
<div className="p-4">
<h3 className="font-semibold text-lg mb-2 line-clamp-2">
{book.title}
</h3>
<p className="text-gray-600 text-sm mb-2">
作者: {book.authors?.join(', ')}
</p>
<p className="text-gray-600 text-sm mb-2">
出版社: {book.publisher}
</p>
<div className="flex items-center justify-between mb-2">
<span className="text-sm text-gray-500">
可借: {book.availableCopies}/{book.totalCopies}
</span>
<span className={`px-2 py-1 rounded-full text-xs ${
book.status === 'normal' ? 'bg-green-100 text-green-800' :
book.status === 'damaged' ? 'bg-yellow-100 text-yellow-800' :
'bg-red-100 text-red-800'
}`}>
{book.status === 'normal' ? '正常' :
book.status === 'damaged' ? '损坏' : '下架'}
</span>
</div>
<div className="flex justify-between items-center">
<div className="flex items-center text-yellow-500">
<Star className="h-4 w-4 fill-current" />
<span className="text-sm ml-1">4.5</span>
</div>
<Link
href={`/books/${book.bookId}`}
className="bg-blue-600 hover:bg-blue-700 text-white px-3 py-1 rounded text-sm flex items-center gap-1 transition-colors"
>
<Eye className="h-3 w-3" />
详情
</Link>
</div>
</div>
</div>
))}
</div>
{/* Pagination */}
{data?.data?.totalPages > 1 && (
<div className="flex justify-center mt-8">
<div className="flex gap-2">
{page > 1 && (
<button
onClick={() => setPage(page - 1)}
className="px-4 py-2 border border-gray-300 rounded-md hover:bg-gray-50"
>
上一页
</button>
)}
{[...Array(Math.min(5, data.data.totalPages))].map((_, i) => {
const pageNum = i + 1;
return (
<button
key={pageNum}
onClick={() => setPage(pageNum)}
className={`px-4 py-2 border rounded-md ${
page === pageNum
? 'bg-blue-600 text-white border-blue-600'
: 'border-gray-300 hover:bg-gray-50'
}`}
>
{pageNum}
</button>
);
})}
{page < data.data.totalPages && (
<button
onClick={() => setPage(page + 1)}
className="px-4 py-2 border border-gray-300 rounded-md hover:bg-gray-50"
>
下一页
</button>
)}
</div>
</div>
)}
</>
)}
</div>
</div>
);
}

27
src/app/layout.tsx
View File

@ -1,20 +1,13 @@
import type { Metadata } from "next";
import { Geist, Geist_Mono } from "next/font/google";
import { Inter } from "next/font/google";
import "./globals.css";
import { Providers } from "@/components/providers";
const geistSans = Geist({
variable: "--font-geist-sans",
subsets: ["latin"],
});
const geistMono = Geist_Mono({
variable: "--font-geist-mono",
subsets: ["latin"],
});
const inter = Inter({ subsets: ["latin"] });
export const metadata: Metadata = {
title: "Create Next App",
description: "Generated by create next app",
title: "智能图书馆管理系统",
description: "基于Next.js和PostgreSQL的智能图书馆管理系统",
};
export default function RootLayout({
@ -23,11 +16,11 @@ export default function RootLayout({
children: React.ReactNode;
}>) {
return (
<html lang="en">
<body
className={`${geistSans.variable} ${geistMono.variable} antialiased`}
>
{children}
<html lang="zh-CN">
<body className={inter.className}>
<Providers>
{children}
</Providers>
</body>
</html>
);

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import Link from 'next/link';
import { BookOpen, Users, BarChart3, Settings } from 'lucide-react';
export default function Home() {
return (
<div className="min-h-screen bg-gradient-to-br from-blue-50 to-indigo-100">
<div className="container mx-auto px-4 py-16">
{/* Header */}
<div className="text-center mb-16">
<h1 className="text-5xl font-bold text-gray-800 mb-4">
智能图书馆管理系统
</h1>
<p className="text-xl text-gray-600 max-w-2xl mx-auto">
基于Next.js和PostgreSQL构建的现代化图书馆管理解决方案
</p>
</div>
{/* Features Grid */}
<div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-8 mb-16">
<div className="bg-white rounded-lg shadow-lg p-6 hover:shadow-xl transition-shadow">
<BookOpen className="h-12 w-12 text-blue-600 mb-4" />
<h3 className="text-xl font-semibold mb-2">图书管理</h3>
<p className="text-gray-600">
全面的图书信息管理，支持批量导入、分类检索和状态跟踪
</p>
</div>
<div className="bg-white rounded-lg shadow-lg p-6 hover:shadow-xl transition-shadow">
<Users className="h-12 w-12 text-green-600 mb-4" />
<h3 className="text-xl font-semibold mb-2">用户管理</h3>
<p className="text-gray-600">
学生和管理员账户管理，权限控制和状态监控
</p>
</div>
<div className="bg-white rounded-lg shadow-lg p-6 hover:shadow-xl transition-shadow">
<BarChart3 className="h-12 w-12 text-purple-600 mb-4" />
<h3 className="text-xl font-semibold mb-2">数据统计</h3>
<p className="text-gray-600">
借阅统计、热门图书分析和数据可视化展示
</p>
</div>
<div className="bg-white rounded-lg shadow-lg p-6 hover:shadow-xl transition-shadow">
<Settings className="h-12 w-12 text-orange-600 mb-4" />
<h3 className="text-xl font-semibold mb-2">系统设置</h3>
<p className="text-gray-600">
灵活的系统配置，罚款规则和借阅政策管理
</p>
</div>
</div>
{/* Action Buttons */}
<div className="flex flex-col sm:flex-row justify-center gap-4">
<Link
href="/admin"
className="bg-blue-600 hover:bg-blue-700 text-white px-8 py-3 rounded-lg font-semibold transition-colors text-center"
>
管理员入口
</Link>
<Link
href="/student"
className="bg-green-600 hover:bg-green-700 text-white px-8 py-3 rounded-lg font-semibold transition-colors text-center"
>
学生入口
</Link>
<Link
href="/books"
className="bg-purple-600 hover:bg-purple-700 text-white px-8 py-3 rounded-lg font-semibold transition-colors text-center"
>
图书检索
</Link>
</div>
{/* Footer */}
<div className="text-center mt-16 text-gray-500">
<p>&copy; 2025 智能图书馆管理系统. 所有权利保留.</p>
</div>
</div>
</div>
);
}

171
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@ -1,103 +1,82 @@
import Image from "next/image";
import Link from 'next/link';
import { BookOpen, Users, BarChart3, Settings } from 'lucide-react';
export default function Home() {
return (
<div className="grid grid-rows-[20px_1fr_20px] items-center justify-items-center min-h-screen p-8 pb-20 gap-16 sm:p-20 font-[family-name:var(--font-geist-sans)]">
<main className="flex flex-col gap-[32px] row-start-2 items-center sm:items-start">
<Image
className="dark:invert"
src="/next.svg"
alt="Next.js logo"
width={180}
height={38}
priority
/>
<ol className="list-inside list-decimal text-sm/6 text-center sm:text-left font-[family-name:var(--font-geist-mono)]">
<li className="mb-2 tracking-[-.01em]">
Get started by editing{" "}
<code className="bg-black/[.05] dark:bg-white/[.06] px-1 py-0.5 rounded font-[family-name:var(--font-geist-mono)] font-semibold">
src/app/page.tsx
</code>
.
</li>
<li className="tracking-[-.01em]">
Save and see your changes instantly.
</li>
</ol>
<div className="flex gap-4 items-center flex-col sm:flex-row">
<a
className="rounded-full border border-solid border-transparent transition-colors flex items-center justify-center bg-foreground text-background gap-2 hover:bg-[#383838] dark:hover:bg-[#ccc] font-medium text-sm sm:text-base h-10 sm:h-12 px-4 sm:px-5 sm:w-auto"
href="https://vercel.com/new?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
target="_blank"
rel="noopener noreferrer"
>
<Image
className="dark:invert"
src="/vercel.svg"
alt="Vercel logomark"
width={20}
height={20}
/>
Deploy now
</a>
<a
className="rounded-full border border-solid border-black/[.08] dark:border-white/[.145] transition-colors flex items-center justify-center hover:bg-[#f2f2f2] dark:hover:bg-[#1a1a1a] hover:border-transparent font-medium text-sm sm:text-base h-10 sm:h-12 px-4 sm:px-5 w-full sm:w-auto md:w-[158px]"
href="https://nextjs.org/docs?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
target="_blank"
rel="noopener noreferrer"
>
Read our docs
</a>
<div className="min-h-screen bg-gradient-to-br from-blue-50 to-indigo-100">
<div className="container mx-auto px-4 py-16">
{/* Header */}
<div className="text-center mb-16">
<h1 className="text-5xl font-bold text-gray-800 mb-4">
智能图书馆管理系统
</h1>
<p className="text-xl text-gray-600 max-w-2xl mx-auto">
基于Next.js和PostgreSQL构建的现代化图书馆管理解决方案
</p>
</div>
</main>
<footer className="row-start-3 flex gap-[24px] flex-wrap items-center justify-center">
<a
className="flex items-center gap-2 hover:underline hover:underline-offset-4"
href="https://nextjs.org/learn?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
target="_blank"
rel="noopener noreferrer"
>
<Image
aria-hidden
src="/file.svg"
alt="File icon"
width={16}
height={16}
/>
Learn
</a>
<a
className="flex items-center gap-2 hover:underline hover:underline-offset-4"
href="https://vercel.com/templates?framework=next.js&utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
target="_blank"
rel="noopener noreferrer"
>
<Image
aria-hidden
src="/window.svg"
alt="Window icon"
width={16}
height={16}
/>
Examples
</a>
<a
className="flex items-center gap-2 hover:underline hover:underline-offset-4"
href="https://nextjs.org?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
target="_blank"
rel="noopener noreferrer"
>
<Image
aria-hidden
src="/globe.svg"
alt="Globe icon"
width={16}
height={16}
/>
Go to nextjs.org →
</a>
</footer>
{/* Features Grid */}
<div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-8 mb-16">
<div className="bg-white rounded-lg shadow-lg p-6 hover:shadow-xl transition-shadow">
<BookOpen className="h-12 w-12 text-blue-600 mb-4" />
<h3 className="text-xl font-semibold mb-2">图书管理</h3>
<p className="text-gray-600">
全面的图书信息管理，支持批量导入、分类检索和状态跟踪
</p>
</div>
<div className="bg-white rounded-lg shadow-lg p-6 hover:shadow-xl transition-shadow">
<Users className="h-12 w-12 text-green-600 mb-4" />
<h3 className="text-xl font-semibold mb-2">用户管理</h3>
<p className="text-gray-600">
学生和管理员账户管理，权限控制和状态监控
</p>
</div>
<div className="bg-white rounded-lg shadow-lg p-6 hover:shadow-xl transition-shadow">
<BarChart3 className="h-12 w-12 text-purple-600 mb-4" />
<h3 className="text-xl font-semibold mb-2">数据统计</h3>
<p className="text-gray-600">
借阅统计、热门图书分析和数据可视化展示
</p>
</div>
<div className="bg-white rounded-lg shadow-lg p-6 hover:shadow-xl transition-shadow">
<Settings className="h-12 w-12 text-orange-600 mb-4" />
<h3 className="text-xl font-semibold mb-2">系统设置</h3>
<p className="text-gray-600">
灵活的系统配置，罚款规则和借阅政策管理
</p>
</div>
</div>
{/* Action Buttons */}
<div className="flex flex-col sm:flex-row justify-center gap-4">
<Link
href="/admin"
className="bg-blue-600 hover:bg-blue-700 text-white px-8 py-3 rounded-lg font-semibold transition-colors text-center"
>
管理员入口
</Link>
<Link
href="/student"
className="bg-green-600 hover:bg-green-700 text-white px-8 py-3 rounded-lg font-semibold transition-colors text-center"
>
学生入口
</Link>
<Link
href="/books"
className="bg-purple-600 hover:bg-purple-700 text-white px-8 py-3 rounded-lg font-semibold transition-colors text-center"
>
图书检索
</Link>
</div>
{/* Footer */}
<div className="text-center mt-16 text-gray-500">
<p>&copy; 2025 智能图书馆管理系统. 所有权利保留.</p>
</div>
</div>
</div>
);
}

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'use client';
import { useState } from 'react';
import { useQuery } from '@tanstack/react-query';
import {
Calendar,
BookOpen,
Search,
CheckCircle,
Clock,
AlertTriangle
} from 'lucide-react';
// Mock data - replace with actual API
async function fetchBorrowHistory() {
return {
success: true,
data: [
{
borrowId: 1,
book: {
title: '深入理解计算机系统',
authors: ['Randal E. Bryant'],
isbn: '9787111544937'
},
borrowDate: '2024-12-01',
dueDate: '2024-12-31',
returnDate: '2024-12-28',
renewTimes: 1,
status: 'returned',
fineAmount: '0'
},
{
borrowId: 2,
book: {
title: 'Python编程实战',
authors: ['Mark Lutz'],
isbn: '9787111627295'
},
borrowDate: '2025-01-05',
dueDate: '2025-02-04',
returnDate: null,
renewTimes: 1,
status: 'borrowed',
fineAmount: '0'
},
{
borrowId: 3,
book: {
title: '数据结构与算法',
authors: ['Thomas H. Cormen'],
isbn: '9787111407010'
},
borrowDate: '2024-11-15',
dueDate: '2024-12-15',
returnDate: '2024-12-20',
renewTimes: 0,
status: 'returned',
fineAmount: '5.00'
}
]
};
}
export default function StudentHistoryPage() {
const [statusFilter, setStatusFilter] = useState('');
const [searchTerm, setSearchTerm] = useState('');
const { data, isLoading, error } = useQuery({
queryKey: ['student-history', statusFilter, searchTerm],
queryFn: fetchBorrowHistory,
});
const getStatusBadge = (status: string, dueDate: string, returnDate: string | null) => {
if (status === 'returned') {
const wasOverdue = returnDate && new Date(returnDate) > new Date(dueDate);
return (
<span className={`inline-flex items-center px-2 py-1 text-xs font-semibold rounded-full ${
wasOverdue ? 'bg-yellow-100 text-yellow-800' : 'bg-green-100 text-green-800'
}`}>
<CheckCircle className="h-3 w-3 mr-1" />
{wasOverdue ? '逾期归还' : '正常归还'}
</span>
);
}
const isOverdue = new Date(dueDate) < new Date();
return (
<span className={`inline-flex items-center px-2 py-1 text-xs font-semibold rounded-full ${
isOverdue ? 'bg-red-100 text-red-800' : 'bg-blue-100 text-blue-800'
}`}>
{isOverdue ? <AlertTriangle className="h-3 w-3 mr-1" /> : <Clock className="h-3 w-3 mr-1" />}
{isOverdue ? '逾期' : '借阅中'}
</span>
);
};
const filteredData = data?.data?.filter((record: any) => {
const matchesStatus = !statusFilter || record.status === statusFilter;
const matchesSearch = !searchTerm ||
record.book.title.toLowerCase().includes(searchTerm.toLowerCase()) ||
record.book.authors.some((author: string) =>
author.toLowerCase().includes(searchTerm.toLowerCase())
);
return matchesStatus && matchesSearch;
});
return (
<div className="min-h-screen bg-gray-50">
<div className="container mx-auto px-4 py-8">
{/* Header */}
<div className="mb-8">
<h1 className="text-3xl font-bold text-gray-800 mb-2">借阅历史</h1>
<p className="text-gray-600">查看您的借阅记录和归还历史</p>
</div>
{/* Statistics */}
<div className="grid grid-cols-1 md:grid-cols-4 gap-6 mb-8">
<div className="bg-white rounded-lg shadow-md p-6">
<div className="flex items-center justify-between">
<div>
<p className="text-sm font-medium text-gray-600">总借阅次数</p>
<p className="text-2xl font-bold text-gray-900">
{data?.data?.length || 0}
</p>
</div>
<BookOpen className="h-8 w-8 text-blue-600" />
</div>
</div>
<div className="bg-white rounded-lg shadow-md p-6">
<div className="flex items-center justify-between">
<div>
<p className="text-sm font-medium text-gray-600">当前借阅</p>
<p className="text-2xl font-bold text-blue-600">
{data?.data?.filter((r: any) => r.status === 'borrowed').length || 0}
</p>
</div>
<Clock className="h-8 w-8 text-blue-600" />
</div>
</div>
<div className="bg-white rounded-lg shadow-md p-6">
<div className="flex items-center justify-between">
<div>
<p className="text-sm font-medium text-gray-600">已归还</p>
<p className="text-2xl font-bold text-green-600">
{data?.data?.filter((r: any) => r.status === 'returned').length || 0}
</p>
</div>
<CheckCircle className="h-8 w-8 text-green-600" />
</div>
</div>
<div className="bg-white rounded-lg shadow-md p-6">
<div className="flex items-center justify-between">
<div>
<p className="text-sm font-medium text-gray-600">逾期次数</p>
<p className="text-2xl font-bold text-red-600">
{data?.data?.filter((r: any) =>
(r.status === 'returned' && r.returnDate && new Date(r.returnDate) > new Date(r.dueDate)) ||
(r.status === 'borrowed' && new Date(r.dueDate) < new Date())
).length || 0}
</p>
</div>
<AlertTriangle className="h-8 w-8 text-red-600" />
</div>
</div>
</div>
{/* Search and Filters */}
<div className="bg-white rounded-lg shadow-md p-6 mb-8">
<div className="grid grid-cols-1 md:grid-cols-2 gap-4">
<div>
<label className="block text-sm font-medium text-gray-700 mb-1">
搜索图书
</label>
<div className="relative">
<Search className="absolute left-3 top-3 h-4 w-4 text-gray-400" />
<input
type="text"
className="w-full pl-10 pr-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
placeholder="输入书名或作者"
value={searchTerm}
onChange={(e) => setSearchTerm(e.target.value)}
/>
</div>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-1">
借阅状态
</label>
<select
className="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
value={statusFilter}
onChange={(e) => setStatusFilter(e.target.value)}
>
<option value="">全部状态</option>
<option value="borrowed">借阅中</option>
<option value="returned">已归还</option>
</select>
</div>
</div>
</div>
{/* Results */}
{isLoading ? (
<div className="text-center py-12">
<div className="animate-spin rounded-full h-8 w-8 border-b-2 border-blue-600 mx-auto"></div>
<p className="mt-4 text-gray-600">加载中...</p>
</div>
) : error ? (
<div className="text-center py-12">
<p className="text-red-600">加载失败，请重试</p>
</div>
) : (
<>
{/* History List */}
<div className="space-y-4">
{filteredData?.map((record: any) => (
<div key={record.borrowId} className="bg-white rounded-lg shadow-md p-6">
<div className="flex flex-col md:flex-row md:items-center md:justify-between">
<div className="flex-1">
<div className="flex items-start justify-between mb-2">
<h3 className="text-lg font-semibold text-gray-900">
{record.book.title}
</h3>
{getStatusBadge(record.status, record.dueDate, record.returnDate)}
</div>
<p className="text-gray-600 mb-2">
作者: {record.book.authors.join(', ')}
</p>
<p className="text-gray-500 text-sm mb-2">
ISBN: {record.book.isbn}
</p>
<div className="grid grid-cols-1 md:grid-cols-3 gap-4 text-sm">
<div>
<span className="font-medium text-gray-700">借阅日期:</span>
<span className="ml-2 text-gray-600">
{new Date(record.borrowDate).toLocaleDateString('zh-CN')}
</span>
</div>
<div>
<span className="font-medium text-gray-700">应还日期:</span>
<span className="ml-2 text-gray-600">
{new Date(record.dueDate).toLocaleDateString('zh-CN')}
</span>
</div>
{record.returnDate && (
<div>
<span className="font-medium text-gray-700">归还日期:</span>
<span className="ml-2 text-gray-600">
{new Date(record.returnDate).toLocaleDateString('zh-CN')}
</span>
</div>
)}
</div>
<div className="flex items-center justify-between mt-4 text-sm">
<div>
<span className="font-medium text-gray-700">续借次数:</span>
<span className="ml-2 text-gray-600">{record.renewTimes}/2</span>
</div>
{record.fineAmount && parseFloat(record.fineAmount) > 0 && (
<div className="text-red-600">
<span className="font-medium">罚款:</span>
<span className="ml-2">¥{parseFloat(record.fineAmount).toFixed(2)}</span>
</div>
)}
</div>
</div>
</div>
</div>
))}
</div>
{/* No results */}
{filteredData?.length === 0 && (
<div className="text-center py-12">
<Calendar className="h-12 w-12 text-gray-400 mx-auto mb-4" />
<p className="text-gray-500">
{data?.data?.length === 0 ? '暂无借阅记录' : '没有找到符合条件的记录'}
</p>
</div>
)}
</>
)}
</div>
</div>
);
}

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'use client';
import { useQuery } from '@tanstack/react-query';
import {
BookOpen,
Calendar,
Clock,
Star,
AlertTriangle,
RefreshCw,
Search
} from 'lucide-react';
import Link from 'next/link';
// Mock student data
const mockStudent = {
stuNo: 'S2023001',
name: '张三',
department: '计算机科学与技术',
currentBorrow: 3,
maxBorrow: 10,
totalFines: 5.00,
accountStatus: 'active'
};
// Mock data fetching functions
async function fetchStudentDashboard() {
return {
student: mockStudent,
currentBorrows: [
{
borrowId: 1,
book: { title: '深入理解计算机系统', authors: ['Randal E. Bryant'] },
borrowDate: '2025-01-01',
dueDate: '2025-01-31',
renewTimes: 0,
status: 'borrowed'
},
{
borrowId: 2,
book: { title: 'Python编程实战', authors: ['Mark Lutz'] },
borrowDate: '2025-01-05',
dueDate: '2025-02-04',
renewTimes: 1,
status: 'borrowed'
},
{
borrowId: 3,
book: { title: '数据结构与算法', authors: ['Thomas H. Cormen'] },
borrowDate: '2024-12-20',
dueDate: '2025-01-19',
renewTimes: 0,
status: 'overdue'
}
],
reservations: [
{
reservationId: 1,
book: { title: '人工智能导论', authors: ['Stuart Russell'] },
reserveDate: '2025-01-10',
status: 'waiting'
}
]
};
}
export default function StudentDashboard() {
const { data } = useQuery({
queryKey: ['student-dashboard'],
queryFn: fetchStudentDashboard,
});
const student = data?.student || mockStudent;
const currentBorrows = data?.currentBorrows || [];
const reservations = data?.reservations || [];
const isOverdue = (dueDate: string) => {
return new Date(dueDate) < new Date();
};
const getDaysUntilDue = (dueDate: string) => {
const today = new Date();
const due = new Date(dueDate);
const diffTime = due.getTime() - today.getTime();
const diffDays = Math.ceil(diffTime / (1000 * 60 * 60 * 24));
return diffDays;
};
return (
<div className="min-h-screen bg-gray-50">
<div className="container mx-auto px-4 py-8">
{/* Header */}
<div className="mb-8">
<h1 className="text-3xl font-bold text-gray-800 mb-2">
欢迎回来, {student.name}
</h1>
<p className="text-gray-600">学号: {student.stuNo} | {student.department}</p>
</div>
{/* Account Status */}
<div className="grid grid-cols-1 md:grid-cols-4 gap-6 mb-8">
<div className="bg-white rounded-lg shadow-md p-6">
<div className="flex items-center justify-between">
<div>
<p className="text-sm font-medium text-gray-600">当前借阅</p>
<p className="text-2xl font-bold text-gray-900">
{student.currentBorrow}/{student.maxBorrow}
</p>
</div>
<BookOpen className="h-8 w-8 text-blue-600" />
</div>
</div>
<div className="bg-white rounded-lg shadow-md p-6">
<div className="flex items-center justify-between">
<div>
<p className="text-sm font-medium text-gray-600">预约数量</p>
<p className="text-2xl font-bold text-gray-900">
{reservations.length}
</p>
</div>
<Clock className="h-8 w-8 text-orange-600" />
</div>
</div>
<div className="bg-white rounded-lg shadow-md p-6">
<div className="flex items-center justify-between">
<div>
<p className="text-sm font-medium text-gray-600">未缴罚款</p>
<p className="text-2xl font-bold text-red-600">
¥{student.totalFines.toFixed(2)}
</p>
</div>
<AlertTriangle className="h-8 w-8 text-red-600" />
</div>
</div>
<div className="bg-white rounded-lg shadow-md p-6">
<div className="flex items-center justify-between">
<div>
<p className="text-sm font-medium text-gray-600">账户状态</p>
<p className={`text-2xl font-bold ${
student.accountStatus === 'active' ? 'text-green-600' : 'text-red-600'
}`}>
{student.accountStatus === 'active' ? '正常' : '冻结'}
</p>
</div>
<div className={`h-8 w-8 rounded-full flex items-center justify-center ${
student.accountStatus === 'active' ? 'bg-green-100' : 'bg-red-100'
}`}>
<div className={`h-4 w-4 rounded-full ${
student.accountStatus === 'active' ? 'bg-green-600' : 'bg-red-600'
}`} />
</div>
</div>
</div>
</div>
{/* Quick Actions */}
<div className="grid grid-cols-1 md:grid-cols-3 gap-6 mb-8">
<Link
href="/books"
className="bg-blue-600 hover:bg-blue-700 text-white p-6 rounded-lg shadow-md transition-colors group"
>
<div className="flex items-center justify-between">
<div>
<h3 className="text-lg font-semibold mb-2">图书检索</h3>
<p className="text-blue-100 text-sm">搜索和浏览图书</p>
</div>
<Search className="h-8 w-8 group-hover:scale-110 transition-transform" />
</div>
</Link>
<Link
href="/student/history"
className="bg-green-600 hover:bg-green-700 text-white p-6 rounded-lg shadow-md transition-colors group"
>
<div className="flex items-center justify-between">
<div>
<h3 className="text-lg font-semibold mb-2">借阅历史</h3>
<p className="text-green-100 text-sm">查看历史记录</p>
</div>
<Calendar className="h-8 w-8 group-hover:scale-110 transition-transform" />
</div>
</Link>
<Link
href="/student/reviews"
className="bg-purple-600 hover:bg-purple-700 text-white p-6 rounded-lg shadow-md transition-colors group"
>
<div className="flex items-center justify-between">
<div>
<h3 className="text-lg font-semibold mb-2">我的评价</h3>
<p className="text-purple-100 text-sm">图书评价和推荐</p>
</div>
<Star className="h-8 w-8 group-hover:scale-110 transition-transform" />
</div>
</Link>
</div>
{/* Current Borrows & Reservations */}
<div className="grid grid-cols-1 lg:grid-cols-2 gap-8">
{/* Current Borrows */}
<div className="bg-white rounded-lg shadow-md p-6">
<h3 className="text-lg font-semibold mb-4">当前借阅</h3>
{currentBorrows.length === 0 ? (
<p className="text-gray-500 text-center py-8">暂无借阅图书</p>
) : (
<div className="space-y-4">
{currentBorrows.map((borrow: {
borrowId: number;
book: { title: string; authors: string[] };
borrowDate: string;
dueDate: string;
renewTimes: number;
status: string;
}) => (
<div key={borrow.borrowId} className="border border-gray-200 rounded-lg p-4">
<div className="flex justify-between items-start mb-2">
<h4 className="font-medium text-gray-900">{borrow.book.title}</h4>
<span className={`px-2 py-1 rounded-full text-xs ${
borrow.status === 'overdue'
? 'bg-red-100 text-red-800'
: isOverdue(borrow.dueDate)
? 'bg-yellow-100 text-yellow-800'
: 'bg-green-100 text-green-800'
}`}>
{borrow.status === 'overdue' ? '逾期' :
isOverdue(borrow.dueDate) ? '即将逾期' : '正常'}
</span>
</div>
<p className="text-sm text-gray-600 mb-2">
作者: {borrow.book.authors.join(', ')}
</p>
<div className="flex justify-between items-center text-sm">
<div>
<p className="text-gray-500">
借阅日期: {new Date(borrow.borrowDate).toLocaleDateString('zh-CN')}
</p>
<p className={`${isOverdue(borrow.dueDate) ? 'text-red-600' : 'text-gray-500'}`}>
到期日期: {new Date(borrow.dueDate).toLocaleDateString('zh-CN')}
{!isOverdue(borrow.dueDate) && ` (${getDaysUntilDue(borrow.dueDate)}天后)`}
</p>
<p className="text-gray-500">
续借次数: {borrow.renewTimes}/2
</p>
</div>
{borrow.renewTimes < 2 && borrow.status !== 'overdue' && (
<button className="bg-blue-600 hover:bg-blue-700 text-white px-3 py-1 rounded text-xs flex items-center gap-1">
<RefreshCw className="h-3 w-3" />
续借
</button>
)}
</div>
</div>
))}
</div>
)}
</div>
{/* Reservations */}
<div className="bg-white rounded-lg shadow-md p-6">
<h3 className="text-lg font-semibold mb-4">预约图书</h3>
{reservations.length === 0 ? (
<p className="text-gray-500 text-center py-8">暂无预约图书</p>
) : (
<div className="space-y-4">
{reservations.map((reservation: {
reservationId: number;
book: { title: string; authors: string[] };
reserveDate: string;
status: string;
}) => (
<div key={reservation.reservationId} className="border border-gray-200 rounded-lg p-4">
<div className="flex justify-between items-start mb-2">
<h4 className="font-medium text-gray-900">{reservation.book.title}</h4>
<span className="px-2 py-1 rounded-full text-xs bg-orange-100 text-orange-800">
{reservation.status === 'waiting' ? '等待中' :
reservation.status === 'available' ? '可取书' : '已过期'}
</span>
</div>
<p className="text-sm text-gray-600 mb-2">
作者: {reservation.book.authors.join(', ')}
</p>
<p className="text-sm text-gray-500">
预约日期: {new Date(reservation.reserveDate).toLocaleDateString('zh-CN')}
</p>
</div>
))}
</div>
)}
</div>
</div>
</div>
</div>
);
}

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'use client';
import { QueryClient, QueryClientProvider } from '@tanstack/react-query';
import { ReactQueryDevtools } from '@tanstack/react-query-devtools';
import { useState } from 'react';
export function Providers({ children }: { children: React.ReactNode }) {
const [queryClient] = useState(
() =>
new QueryClient({
defaultOptions: {
queries: {
staleTime: 5 * 60 * 1000, // 5 minutes
gcTime: 10 * 60 * 1000, // 10 minutes
},
},
})
);
return (
<QueryClientProvider client={queryClient}>
{children}
<ReactQueryDevtools initialIsOpen={false} />
</QueryClientProvider>
);
}

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import { drizzle } from 'drizzle-orm/node-postgres';
import { Pool } from 'pg';
import * as schema from './schema';
const pool = new Pool({
host: process.env.DB_HOST,
port: parseInt(process.env.DB_PORT || '5432'),
user: process.env.DB_USER,
password: process.env.DB_PASSWORD,
database: process.env.DB_NAME,
ssl: false,
// 设置默认 schema
options: '-c search_path=library,public',
});
export const db = drizzle(pool, { schema });

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import { pgTable, varchar, text, integer, numeric, timestamp, boolean, pgEnum, bigint, date, index, pgSchema } from 'drizzle-orm/pg-core';
import { relations } from 'drizzle-orm';
// 定义 library schema
export const librarySchema = pgSchema('library');
// 枚举定义 - 使用 library schema
export const genderEnum = librarySchema.enum('gender_enum', ['M', 'F']);
export const accountStatusEnum = librarySchema.enum('account_status_enum', ['active', 'frozen', 'reported']);
export const bookStatusEnum = librarySchema.enum('book_status_enum', ['normal', 'damaged', 'removed']);
export const borrowStatusEnum = librarySchema.enum('borrow_status_enum', ['borrowed', 'returned', 'overdue']);
export const reservationStatusEnum = librarySchema.enum('reservation_status_enum', ['waiting', 'available', 'expired', 'cancelled']);
export const fineStatusEnum = librarySchema.enum('fine_status_enum', ['unpaid', 'paid']);
// 系统设置表
export const systemSettings = librarySchema.table('system_settings', {
settingKey: varchar('setting_key', { length: 50 }).primaryKey(),
settingValue: text('setting_value').notNull(),
description: text('description'),
updatedAt: timestamp('updated_at').defaultNow().notNull(),
});
// 管理员表
export const admins = librarySchema.table('admins', {
adminId: bigint('admin_id', { mode: 'number' }).primaryKey().generatedByDefaultAsIdentity(),
empNo: varchar('emp_no', { length: 20 }).unique().notNull(),
name: varchar('name', { length: 50 }).notNull(),
position: varchar('position', { length: 50 }),
phone: varchar('phone', { length: 20 }),
email: varchar('email', { length: 100 }),
passwordHash: varchar('password_hash', { length: 255 }),
privilegeLv: integer('privilege_lv').default(2).notNull(),
lastLogin: timestamp('last_login'),
createdAt: timestamp('created_at').defaultNow().notNull(),
updatedAt: timestamp('updated_at').defaultNow().notNull(),
});
// 图书表
export const books = librarySchema.table('books', {
bookId: bigint('book_id', { mode: 'number' }).primaryKey().generatedByDefaultAsIdentity(),
isbn: varchar('isbn', { length: 20 }).unique().notNull(),
title: varchar('title', { length: 200 }).notNull(),
authors: text('authors').array().notNull(),
publisher: varchar('publisher', { length: 100 }),
publishDate: date('publish_date'),
price: numeric('price', { precision: 10, scale: 2 }),
classificationNo: varchar('classification_no', { length: 50 }),
location: varchar('location', { length: 100 }),
totalCopies: integer('total_copies').default(1).notNull(),
availableCopies: integer('available_copies').default(1).notNull(),
status: bookStatusEnum('status').default('normal').notNull(),
description: text('description'),
coverUrl: varchar('cover_url', { length: 500 }),
createdAt: timestamp('created_at').defaultNow().notNull(),
updatedAt: timestamp('updated_at').defaultNow().notNull(),
}, (table) => ({
titleIdx: index('idx_books_title').on(table.title),
authorsIdx: index('idx_books_authors').on(table.authors),
isbnIdx: index('idx_books_isbn').on(table.isbn),
}));
// 学生表
export const students = librarySchema.table('students', {
studentId: bigint('student_id', { mode: 'number' }).primaryKey().generatedByDefaultAsIdentity(),
stuNo: varchar('stu_no', { length: 20 }).unique().notNull(),
name: varchar('name', { length: 50 }).notNull(),
gender: genderEnum('gender'),
department: varchar('department', { length: 100 }),
major: varchar('major', { length: 100 }),
grade: varchar('grade', { length: 10 }),
class: varchar('class', { length: 20 }),
phone: varchar('phone', { length: 20 }),
email: varchar('email', { length: 100 }),
passwordHash: varchar('password_hash', { length: 255 }),
maxBorrow: integer('max_borrow').default(10).notNull(),
currentBorrow: integer('current_borrow').default(0).notNull(),
accountStatus: accountStatusEnum('account_status').default('active').notNull(),
enrollmentDate: date('enrollment_date'),
lastLogin: timestamp('last_login'),
createdAt: timestamp('created_at').defaultNow().notNull(),
updatedAt: timestamp('updated_at').defaultNow().notNull(),
}, (table) => ({
stuNoIdx: index('idx_students_stu_no').on(table.stuNo),
nameIdx: index('idx_students_name').on(table.name),
deptIdx: index('idx_students_department').on(table.department),
}));
// 借阅记录表
export const borrowRecords = librarySchema.table('borrow_records', {
borrowId: bigint('borrow_id', { mode: 'number' }).primaryKey().generatedByDefaultAsIdentity(),
bookId: bigint('book_id', { mode: 'number' }).references(() => books.bookId, { onDelete: 'cascade' }).notNull(),
studentId: bigint('student_id', { mode: 'number' }).references(() => students.studentId, { onDelete: 'cascade' }).notNull(),
borrowDate: date('borrow_date').defaultNow().notNull(),
dueDate: date('due_date').notNull(),
returnDate: date('return_date'),
renewTimes: integer('renew_times').default(0).notNull(),
status: borrowStatusEnum('status').default('borrowed').notNull(),
fineAmount: numeric('fine_amount', { precision: 10, scale: 2 }).default('0').notNull(),
notes: text('notes'),
createdAt: timestamp('created_at').defaultNow().notNull(),
updatedAt: timestamp('updated_at').defaultNow().notNull(),
}, (table) => ({
bookIdIdx: index('idx_borrow_records_book_id').on(table.bookId),
studentIdIdx: index('idx_borrow_records_student_id').on(table.studentId),
statusIdx: index('idx_borrow_records_status').on(table.status),
dueDateIdx: index('idx_borrow_records_due_date').on(table.dueDate),
}));
// 预约记录表
export const reservations = librarySchema.table('reservations', {
reservationId: bigint('reservation_id', { mode: 'number' }).primaryKey().generatedByDefaultAsIdentity(),
bookId: bigint('book_id', { mode: 'number' }).references(() => books.bookId, { onDelete: 'cascade' }).notNull(),
studentId: bigint('student_id', { mode: 'number' }).references(() => students.studentId, { onDelete: 'cascade' }).notNull(),
reserveDate: timestamp('reserve_date').defaultNow().notNull(),
expiryDate: timestamp('expiry_date'),
status: reservationStatusEnum('status').default('waiting').notNull(),
notified: boolean('notified').default(false).notNull(),
notes: text('notes'),
createdAt: timestamp('created_at').defaultNow().notNull(),
updatedAt: timestamp('updated_at').defaultNow().notNull(),
}, (table) => ({
bookIdIdx: index('idx_reservations_book_id').on(table.bookId),
studentIdIdx: index('idx_reservations_student_id').on(table.studentId),
statusIdx: index('idx_reservations_status').on(table.status),
}));
// 罚款记录表
export const fines = librarySchema.table('fines', {
fineId: bigint('fine_id', { mode: 'number' }).primaryKey().generatedByDefaultAsIdentity(),
studentId: bigint('student_id', { mode: 'number' }).references(() => students.studentId, { onDelete: 'cascade' }).notNull(),
borrowId: bigint('borrow_id', { mode: 'number' }).references(() => borrowRecords.borrowId, { onDelete: 'cascade' }),
fineType: varchar('fine_type', { length: 50 }).default('overdue').notNull(),
amount: numeric('amount', { precision: 10, scale: 2 }).notNull(),
reason: text('reason'),
status: fineStatusEnum('status').default('unpaid').notNull(),
paymentDate: timestamp('payment_date'),
paymentMethod: varchar('payment_method', { length: 50 }),
createdAt: timestamp('created_at').defaultNow().notNull(),
updatedAt: timestamp('updated_at').defaultNow().notNull(),
}, (table) => ({
studentIdIdx: index('idx_fines_student_id').on(table.studentId),
statusIdx: index('idx_fines_status').on(table.status),
}));
// 评价记录表
export const reviews = librarySchema.table('reviews', {
reviewId: bigint('review_id', { mode: 'number' }).primaryKey().generatedByDefaultAsIdentity(),
bookId: bigint('book_id', { mode: 'number' }).references(() => books.bookId, { onDelete: 'cascade' }).notNull(),
studentId: bigint('student_id', { mode: 'number' }).references(() => students.studentId, { onDelete: 'cascade' }).notNull(),
rating: integer('rating').notNull(),
comment: text('comment'),
reviewTime: timestamp('review_time').defaultNow().notNull(),
}, (table) => ({
bookIdIdx: index('idx_reviews_book_id').on(table.bookId),
studentIdIdx: index('idx_reviews_student_id').on(table.studentId),
}));
// 关系定义
export const booksRelations = relations(books, ({ many }) => ({
borrowRecords: many(borrowRecords),
reservations: many(reservations),
reviews: many(reviews),
}));
export const studentsRelations = relations(students, ({ many }) => ({
borrowRecords: many(borrowRecords),
reservations: many(reservations),
fines: many(fines),
reviews: many(reviews),
}));
export const borrowRecordsRelations = relations(borrowRecords, ({ one, many }) => ({
book: one(books, {
fields: [borrowRecords.bookId],
references: [books.bookId],
}),
student: one(students, {
fields: [borrowRecords.studentId],
references: [students.studentId],
}),
fines: many(fines),
}));
export const reservationsRelations = relations(reservations, ({ one }) => ({
book: one(books, {
fields: [reservations.bookId],
references: [books.bookId],
}),
student: one(students, {
fields: [reservations.studentId],
references: [students.studentId],
}),
}));
export const finesRelations = relations(fines, ({ one }) => ({
student: one(students, {
fields: [fines.studentId],
references: [students.studentId],
}),
borrowRecord: one(borrowRecords, {
fields: [fines.borrowId],
references: [borrowRecords.borrowId],
}),
}));
export const reviewsRelations = relations(reviews, ({ one }) => ({
book: one(books, {
fields: [reviews.bookId],
references: [books.bookId],
}),
student: one(students, {
fields: [reviews.studentId],
references: [students.studentId],
}),
}));

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import { pgTable, serial, varchar, text, integer, numeric, timestamp, boolean, pgEnum, bigint, date, index, pgSchema } from 'drizzle-orm/pg-core';
import { relations } from 'drizzle-orm';
// 定义 library schema
export const librarySchema = pgSchema('library');
// 枚举定义
export const genderEnum = pgEnum('gender_enum', ['M', 'F']);
export const accountStatusEnum = pgEnum('account_status_enum', ['active', 'frozen', 'reported']);
export const bookStatusEnum = pgEnum('book_status_enum', ['normal', 'damaged', 'removed']);
export const borrowStatusEnum = pgEnum('borrow_status_enum', ['borrowed', 'returned', 'overdue']);
export const reservationStatusEnum = pgEnum('reservation_status_enum', ['waiting', 'available', 'expired', 'cancelled']);
export const fineStatusEnum = pgEnum('fine_status_enum', ['unpaid', 'paid']);gTable, varchar, text, integer, numeric, timestamp, boolean, pgEnum, bigint, date, index } from 'drizzle-orm/pg-core';
import { relations } from 'drizzle-orm';
// 枚举定义
export const genderEnum = pgEnum('gender_enum', ['M', 'F']);
export const accountStatusEnum = pgEnum('account_status_enum', ['active', 'frozen', 'reported']);
export const bookStatusEnum = pgEnum('book_status_enum', ['normal', 'damaged', 'removed']);
export const borrowStatusEnum = pgEnum('borrow_status_enum', ['borrowed', 'returned', 'overdue']);
export const reservationStatusEnum = pgEnum('reservation_status_enum', ['waiting', 'available', 'expired', 'cancelled']);
export const fineStatusEnum = pgEnum('fine_status_enum', ['unpaid', 'paid']);
// 系统设置表
export const systemSettings = pgTable('system_settings', {
settingKey: varchar('setting_key', { length: 50 }).primaryKey(),
settingValue: text('setting_value').notNull(),
description: text('description'),
updatedAt: timestamp('updated_at').defaultNow().notNull(),
});
// 管理员表
export const admins = pgTable('admins', {
adminId: bigint('admin_id', { mode: 'number' }).primaryKey().generatedByDefaultAsIdentity(),
empNo: varchar('emp_no', { length: 20 }).unique().notNull(),
name: varchar('name', { length: 50 }).notNull(),
position: varchar('position', { length: 50 }),
phone: varchar('phone', { length: 20 }),
email: varchar('email', { length: 100 }),
passwordHash: varchar('password_hash', { length: 255 }),
privilegeLv: integer('privilege_lv').default(2).notNull(),
lastLogin: timestamp('last_login'),
createdAt: timestamp('created_at').defaultNow().notNull(),
updatedAt: timestamp('updated_at').defaultNow().notNull(),
});
// 图书表
export const books = pgTable('books', {
bookId: bigint('book_id', { mode: 'number' }).primaryKey().generatedByDefaultAsIdentity(),
isbn: varchar('isbn', { length: 20 }).unique().notNull(),
title: varchar('title', { length: 200 }).notNull(),
authors: text('authors').array().notNull(),
publisher: varchar('publisher', { length: 100 }),
publishDate: date('publish_date'),
price: numeric('price', { precision: 10, scale: 2 }),
classificationNo: varchar('classification_no', { length: 50 }),
location: varchar('location', { length: 100 }),
totalCopies: integer('total_copies').default(1).notNull(),
availableCopies: integer('available_copies').default(1).notNull(),
status: bookStatusEnum('status').default('normal').notNull(),
description: text('description'),
coverUrl: varchar('cover_url', { length: 500 }),
createdAt: timestamp('created_at').defaultNow().notNull(),
updatedAt: timestamp('updated_at').defaultNow().notNull(),
}, (table) => ({
titleIdx: index('idx_books_title').on(table.title),
authorsIdx: index('idx_books_authors').on(table.authors),
isbnIdx: index('idx_books_isbn').on(table.isbn),
}));
// 学生表
export const students = pgTable('students', {
studentId: bigint('student_id', { mode: 'number' }).primaryKey().generatedByDefaultAsIdentity(),
stuNo: varchar('stu_no', { length: 20 }).unique().notNull(),
name: varchar('name', { length: 50 }).notNull(),
gender: genderEnum('gender'),
department: varchar('department', { length: 100 }),
major: varchar('major', { length: 100 }),
grade: varchar('grade', { length: 10 }),
class: varchar('class', { length: 20 }),
phone: varchar('phone', { length: 20 }),
email: varchar('email', { length: 100 }),
passwordHash: varchar('password_hash', { length: 255 }),
maxBorrow: integer('max_borrow').default(10).notNull(),
currentBorrow: integer('current_borrow').default(0).notNull(),
accountStatus: accountStatusEnum('account_status').default('active').notNull(),
enrollmentDate: date('enrollment_date'),
lastLogin: timestamp('last_login'),
createdAt: timestamp('created_at').defaultNow().notNull(),
updatedAt: timestamp('updated_at').defaultNow().notNull(),
}, (table) => ({
stuNoIdx: index('idx_students_stu_no').on(table.stuNo),
nameIdx: index('idx_students_name').on(table.name),
deptIdx: index('idx_students_department').on(table.department),
}));
// 借阅记录表
export const borrowRecords = pgTable('borrow_records', {
borrowId: bigint('borrow_id', { mode: 'number' }).primaryKey().generatedByDefaultAsIdentity(),
bookId: bigint('book_id', { mode: 'number' }).references(() => books.bookId, { onDelete: 'cascade' }).notNull(),
studentId: bigint('student_id', { mode: 'number' }).references(() => students.studentId, { onDelete: 'cascade' }).notNull(),
borrowDate: date('borrow_date').defaultNow().notNull(),
dueDate: date('due_date').notNull(),
returnDate: date('return_date'),
renewTimes: integer('renew_times').default(0).notNull(),
status: borrowStatusEnum('status').default('borrowed').notNull(),
fineAmount: numeric('fine_amount', { precision: 10, scale: 2 }).default('0').notNull(),
notes: text('notes'),
createdAt: timestamp('created_at').defaultNow().notNull(),
updatedAt: timestamp('updated_at').defaultNow().notNull(),
}, (table) => ({
bookIdIdx: index('idx_borrow_records_book_id').on(table.bookId),
studentIdIdx: index('idx_borrow_records_student_id').on(table.studentId),
statusIdx: index('idx_borrow_records_status').on(table.status),
dueDateIdx: index('idx_borrow_records_due_date').on(table.dueDate),
}));
// 预约记录表
export const reservations = pgTable('reservations', {
reservationId: bigint('reservation_id', { mode: 'number' }).primaryKey().generatedByDefaultAsIdentity(),
bookId: bigint('book_id', { mode: 'number' }).references(() => books.bookId, { onDelete: 'cascade' }).notNull(),
studentId: bigint('student_id', { mode: 'number' }).references(() => students.studentId, { onDelete: 'cascade' }).notNull(),
reserveDate: timestamp('reserve_date').defaultNow().notNull(),
expiryDate: timestamp('expiry_date'),
status: reservationStatusEnum('status').default('waiting').notNull(),
notified: boolean('notified').default(false).notNull(),
notes: text('notes'),
createdAt: timestamp('created_at').defaultNow().notNull(),
updatedAt: timestamp('updated_at').defaultNow().notNull(),
}, (table) => ({
bookIdIdx: index('idx_reservations_book_id').on(table.bookId),
studentIdIdx: index('idx_reservations_student_id').on(table.studentId),
statusIdx: index('idx_reservations_status').on(table.status),
}));
// 罚款记录表
export const fines = pgTable('fines', {
fineId: bigint('fine_id', { mode: 'number' }).primaryKey().generatedByDefaultAsIdentity(),
studentId: bigint('student_id', { mode: 'number' }).references(() => students.studentId, { onDelete: 'cascade' }).notNull(),
borrowId: bigint('borrow_id', { mode: 'number' }).references(() => borrowRecords.borrowId, { onDelete: 'cascade' }),
fineType: varchar('fine_type', { length: 50 }).default('overdue').notNull(),
amount: numeric('amount', { precision: 10, scale: 2 }).notNull(),
reason: text('reason'),
status: fineStatusEnum('status').default('unpaid').notNull(),
paymentDate: timestamp('payment_date'),
paymentMethod: varchar('payment_method', { length: 50 }),
createdAt: timestamp('created_at').defaultNow().notNull(),
updatedAt: timestamp('updated_at').defaultNow().notNull(),
}, (table) => ({
studentIdIdx: index('idx_fines_student_id').on(table.studentId),
statusIdx: index('idx_fines_status').on(table.status),
}));
// 评价记录表
export const reviews = pgTable('reviews', {
reviewId: bigint('review_id', { mode: 'number' }).primaryKey().generatedByDefaultAsIdentity(),
bookId: bigint('book_id', { mode: 'number' }).references(() => books.bookId, { onDelete: 'cascade' }).notNull(),
studentId: bigint('student_id', { mode: 'number' }).references(() => students.studentId, { onDelete: 'cascade' }).notNull(),
rating: integer('rating').notNull(),
comment: text('comment'),
reviewTime: timestamp('review_time').defaultNow().notNull(),
}, (table) => ({
bookIdIdx: index('idx_reviews_book_id').on(table.bookId),
studentIdIdx: index('idx_reviews_student_id').on(table.studentId),
}));
// 关系定义
export const booksRelations = relations(books, ({ many }) => ({
borrowRecords: many(borrowRecords),
reservations: many(reservations),
reviews: many(reviews),
}));
export const studentsRelations = relations(students, ({ many }) => ({
borrowRecords: many(borrowRecords),
reservations: many(reservations),
fines: many(fines),
reviews: many(reviews),
}));
export const borrowRecordsRelations = relations(borrowRecords, ({ one, many }) => ({
book: one(books, {
fields: [borrowRecords.bookId],
references: [books.bookId],
}),
student: one(students, {
fields: [borrowRecords.studentId],
references: [students.studentId],
}),
fines: many(fines),
}));
export const reservationsRelations = relations(reservations, ({ one }) => ({
book: one(books, {
fields: [reservations.bookId],
references: [books.bookId],
}),
student: one(students, {
fields: [reservations.studentId],
references: [students.studentId],
}),
}));
export const finesRelations = relations(fines, ({ one }) => ({
student: one(students, {
fields: [fines.studentId],
references: [students.studentId],
}),
borrowRecord: one(borrowRecords, {
fields: [fines.borrowId],
references: [borrowRecords.borrowId],
}),
}));
export const reviewsRelations = relations(reviews, ({ one }) => ({
book: one(books, {
fields: [reviews.bookId],
references: [books.bookId],
}),
student: one(students, {
fields: [reviews.studentId],
references: [students.studentId],
}),
}));

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import { pgTable, varchar, text, integer, numeric, timestamp, boolean, pgEnum, bigint, date, index, pgSchema } from 'drizzle-orm/pg-core';
import { relations } from 'drizzle-orm';
// 定义 library schema
export const librarySchema = pgSchema('library');
// 枚举定义 - 使用 library schema，匹配实际数据库
export const genderEnum = librarySchema.enum('gender_enum', ['M', 'F', 'O']);
export const accountStatusEnum = librarySchema.enum('acct_status_enum', ['active', 'frozen', 'reported']);
export const bookStatusEnum = librarySchema.enum('book_status_enum', ['normal', 'lost', 'damaged', 'removed']);
export const borrowStatusEnum = librarySchema.enum('borrow_status_enum', ['borrowed', 'returned', 'overdue', 'lost']);
export const reservationStatusEnum = librarySchema.enum('reserve_status_enum', ['waiting', 'available', 'expired', 'cancelled']);
export const fineStatusEnum = librarySchema.enum('fine_status_enum', ['unpaid', 'paid']);
// 系统设置表
export const systemSettings = librarySchema.table('system_settings', {
settingKey: varchar('setting_key', { length: 50 }).primaryKey(),
settingValue: text('setting_value').notNull(),
description: text('description'),
updatedAt: timestamp('updated_at').defaultNow().notNull(),
});
// 管理员表
export const admins = librarySchema.table('admins', {
adminId: bigint('admin_id', { mode: 'number' }).primaryKey().generatedByDefaultAsIdentity(),
empNo: varchar('emp_no', { length: 20 }).unique().notNull(),
name: varchar('name', { length: 50 }).notNull(),
position: varchar('position', { length: 50 }),
phone: varchar('phone', { length: 20 }),
email: varchar('email', { length: 100 }),
passwordHash: varchar('password_hash', { length: 255 }),
privilegeLv: integer('privilege_lv').default(2).notNull(),
lastLogin: timestamp('last_login'),
createdAt: timestamp('created_at').defaultNow().notNull(),
updatedAt: timestamp('updated_at').defaultNow().notNull(),
});
// 图书表 - 匹配实际数据库结构
export const books = librarySchema.table('books', {
bookId: bigint('book_id', { mode: 'number' }).primaryKey().generatedByDefaultAsIdentity(),
isbn: varchar('isbn', { length: 13 }).unique().notNull(),
title: text('title').notNull(),
authors: text('authors').array().notNull(),
publisher: text('publisher'),
publishDate: date('publish_date'),
price: numeric('price', { precision: 10, scale: 2 }),
classificationNo: varchar('classification_no', { length: 64 }),
location: varchar('location', { length: 255 }),
totalCopies: integer('total_copies').default(1).notNull(),
availableCopies: integer('available_copies').default(1).notNull(),
status: bookStatusEnum('status').default('normal').notNull(),
description: text('description'),
coverUrl: text('cover_url'),
createdAt: timestamp('created_at', { withTimezone: true }).defaultNow(),
updatedAt: timestamp('updated_at', { withTimezone: true }).defaultNow(),
}, (table) => ({
titleIdx: index('idx_books_title').on(table.title),
authorsIdx: index('idx_books_authors').on(table.authors),
isbnIdx: index('idx_books_isbn').on(table.isbn),
}));
// 学生表 - 匹配实际数据库结构
export const students = librarySchema.table('students', {
studentId: bigint('student_id', { mode: 'number' }).primaryKey().generatedByDefaultAsIdentity(),
stuNo: varchar('stu_no', { length: 20 }).unique().notNull(),
name: varchar('name', { length: 64 }).notNull(),
gender: genderEnum('gender'),
department: varchar('department', { length: 128 }),
major: varchar('major', { length: 128 }),
grade: varchar('grade', { length: 10 }),
class: varchar('class', { length: 50 }),
phone: varchar('phone', { length: 20 }),
email: varchar('email', { length: 255 }),
accountStatus: accountStatusEnum('account_status').default('active').notNull(),
maxBorrow: integer('max_borrow').notNull(),
currentBorrow: integer('current_borrow').default(0).notNull(),
createdAt: timestamp('created_at', { withTimezone: true }).defaultNow(),
}, (table) => ({
stuNoIdx: index('idx_students_stu_no').on(table.stuNo),
nameIdx: index('idx_students_name').on(table.name),
deptIdx: index('idx_students_department').on(table.department),
}));
// 借阅记录表
export const borrowRecords = librarySchema.table('borrow_records', {
borrowId: bigint('borrow_id', { mode: 'number' }).primaryKey().generatedByDefaultAsIdentity(),
bookId: bigint('book_id', { mode: 'number' }).references(() => books.bookId, { onDelete: 'cascade' }).notNull(),
studentId: bigint('student_id', { mode: 'number' }).references(() => students.studentId, { onDelete: 'cascade' }).notNull(),
borrowDate: date('borrow_date').defaultNow().notNull(),
dueDate: date('due_date').notNull(),
returnDate: date('return_date'),
renewTimes: integer('renew_times').default(0).notNull(),
status: borrowStatusEnum('status').default('borrowed').notNull(),
fineAmount: numeric('fine_amount', { precision: 10, scale: 2 }).default('0').notNull(),
notes: text('notes'),
createdAt: timestamp('created_at').defaultNow().notNull(),
updatedAt: timestamp('updated_at').defaultNow().notNull(),
}, (table) => ({
bookIdIdx: index('idx_borrow_records_book_id').on(table.bookId),
studentIdIdx: index('idx_borrow_records_student_id').on(table.studentId),
statusIdx: index('idx_borrow_records_status').on(table.status),
dueDateIdx: index('idx_borrow_records_due_date').on(table.dueDate),
}));
// 预约记录表
export const reservations = librarySchema.table('reservations', {
reservationId: bigint('reservation_id', { mode: 'number' }).primaryKey().generatedByDefaultAsIdentity(),
bookId: bigint('book_id', { mode: 'number' }).references(() => books.bookId, { onDelete: 'cascade' }).notNull(),
studentId: bigint('student_id', { mode: 'number' }).references(() => students.studentId, { onDelete: 'cascade' }).notNull(),
reserveDate: timestamp('reserve_date').defaultNow().notNull(),
expiryDate: timestamp('expiry_date'),
status: reservationStatusEnum('status').default('waiting').notNull(),
notified: boolean('notified').default(false).notNull(),
notes: text('notes'),
createdAt: timestamp('created_at').defaultNow().notNull(),
updatedAt: timestamp('updated_at').defaultNow().notNull(),
}, (table) => ({
bookIdIdx: index('idx_reservations_book_id').on(table.bookId),
studentIdIdx: index('idx_reservations_student_id').on(table.studentId),
statusIdx: index('idx_reservations_status').on(table.status),
}));
// 罚款记录表
export const fines = librarySchema.table('fines', {
fineId: bigint('fine_id', { mode: 'number' }).primaryKey().generatedByDefaultAsIdentity(),
studentId: bigint('student_id', { mode: 'number' }).references(() => students.studentId, { onDelete: 'cascade' }).notNull(),
borrowId: bigint('borrow_id', { mode: 'number' }).references(() => borrowRecords.borrowId, { onDelete: 'cascade' }),
fineType: varchar('fine_type', { length: 50 }).default('overdue').notNull(),
amount: numeric('amount', { precision: 10, scale: 2 }).notNull(),
reason: text('reason'),
status: fineStatusEnum('status').default('unpaid').notNull(),
paymentDate: timestamp('payment_date'),
paymentMethod: varchar('payment_method', { length: 50 }),
createdAt: timestamp('created_at').defaultNow().notNull(),
updatedAt: timestamp('updated_at').defaultNow().notNull(),
}, (table) => ({
studentIdIdx: index('idx_fines_student_id').on(table.studentId),
statusIdx: index('idx_fines_status').on(table.status),
}));
// 评价记录表
export const reviews = librarySchema.table('reviews', {
reviewId: bigint('review_id', { mode: 'number' }).primaryKey().generatedByDefaultAsIdentity(),
bookId: bigint('book_id', { mode: 'number' }).references(() => books.bookId, { onDelete: 'cascade' }).notNull(),
studentId: bigint('student_id', { mode: 'number' }).references(() => students.studentId, { onDelete: 'cascade' }).notNull(),
rating: integer('rating').notNull(),
comment: text('comment'),
reviewTime: timestamp('review_time').defaultNow().notNull(),
}, (table) => ({
bookIdIdx: index('idx_reviews_book_id').on(table.bookId),
studentIdIdx: index('idx_reviews_student_id').on(table.studentId),
}));
// 关系定义
export const booksRelations = relations(books, ({ many }) => ({
borrowRecords: many(borrowRecords),
reservations: many(reservations),
reviews: many(reviews),
}));
export const studentsRelations = relations(students, ({ many }) => ({
borrowRecords: many(borrowRecords),
reservations: many(reservations),
fines: many(fines),
reviews: many(reviews),
}));
export const borrowRecordsRelations = relations(borrowRecords, ({ one, many }) => ({
book: one(books, {
fields: [borrowRecords.bookId],
references: [books.bookId],
}),
student: one(students, {
fields: [borrowRecords.studentId],
references: [students.studentId],
}),
fines: many(fines),
}));
export const reservationsRelations = relations(reservations, ({ one }) => ({
book: one(books, {
fields: [reservations.bookId],
references: [books.bookId],
}),
student: one(students, {
fields: [reservations.studentId],
references: [students.studentId],
}),
}));
export const finesRelations = relations(fines, ({ one }) => ({
student: one(students, {
fields: [fines.studentId],
references: [students.studentId],
}),
borrowRecord: one(borrowRecords, {
fields: [fines.borrowId],
references: [borrowRecords.borrowId],
}),
}));
export const reviewsRelations = relations(reviews, ({ one }) => ({
book: one(books, {
fields: [reviews.bookId],
references: [books.bookId],
}),
student: one(students, {
fields: [reviews.studentId],
references: [students.studentId],
}),
}));

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import { books, students, borrowRecords, reservations, fines, reviews, admins } from '@/lib/db/schema';
// 数据库表类型
export type Book = typeof books.$inferSelect;
export type NewBook = typeof books.$inferInsert;
export type Student = typeof students.$inferSelect;
export type NewStudent = typeof students.$inferInsert;
export type BorrowRecord = typeof borrowRecords.$inferSelect;
export type NewBorrowRecord = typeof borrowRecords.$inferInsert;
export type Reservation = typeof reservations.$inferSelect;
export type NewReservation = typeof reservations.$inferInsert;
export type Fine = typeof fines.$inferSelect;
export type NewFine = typeof fines.$inferInsert;
export type Review = typeof reviews.$inferSelect;
export type NewReview = typeof reviews.$inferInsert;
export type Admin = typeof admins.$inferSelect;
export type NewAdmin = typeof admins.$inferInsert;
// 扩展类型，包含关联数据
export type BookWithDetails = Book & {
reviews?: Review[];
borrowCount?: number;
averageRating?: number;
};
export type StudentWithDetails = Student & {
borrowRecords?: BorrowRecord[];
reservations?: Reservation[];
fines?: Fine[];
totalFines?: number;
};
export type BorrowRecordWithDetails = BorrowRecord & {
book?: Book;
student?: Student;
};
export type ReservationWithDetails = Reservation & {
book?: Book;
student?: Student;
};
export type FineWithDetails = Fine & {
student?: Student;
borrowRecord?: BorrowRecord;
};
// 用户会话类型
export interface UserSession {
id: string;
name: string;
email?: string;
role: 'admin' | 'student';
studentId?: number;
adminId?: number;
}
// API 响应类型
export interface ApiResponse<T = unknown> {
success: boolean;
data?: T;
message?: string;
error?: string;
}
// 搜索过滤器类型
export interface BookSearchFilters {
title?: string;
author?: string;
isbn?: string;
classificationNo?: string;
status?: 'normal' | 'damaged' | 'removed';
available?: boolean;
}
export interface StudentSearchFilters {
name?: string;
stuNo?: string;
department?: string;
major?: string;
accountStatus?: 'active' | 'frozen' | 'reported';
}
// 统计数据类型
export interface LibraryStats {
totalBooks: number;
totalStudents: number;
totalBorrows: number;
overdueBooks: number;
reservations: number;
unpaidFines: number;
}
// 分页类型
export interface PaginationParams {
page: number;
pageSize: number;
}
export interface PaginatedResponse<T> {
data: T[];
total: number;
page: number;
pageSize: number;
totalPages: number;
}

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import { type ClassValue, clsx } from "clsx"
import { twMerge } from "tailwind-merge"
export function cn(...inputs: ClassValue[]) {
return twMerge(clsx(inputs))
}

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