Files
kronos-trader/webui/templates/index.html
T
Charles 1f394cace3 feat: 添加Kronos Web UI完整功能
- 集成Kronos模型(mini/small/base)
- 支持CPU/CUDA/MPS设备选择
- 时间窗口滑条选择器(400+120固定窗口)
- 预测质量参数控制(Temperature, Top-P, Sample Count)
- 预测vs实际数据对比分析
- 完整的Flask后端和现代化前端界面
- 支持CSV和Feather格式数据文件
- 完整的启动脚本和文档
2025-08-26 16:19:21 +08:00

1239 lines
44 KiB
HTML

<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Kronos 金融预测 Web UI</title>
<script src="https://cdn.plot.ly/plotly-latest.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/axios/dist/axios.min.js"></script>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
min-height: 100vh;
color: #333;
}
.container {
max-width: 1400px;
margin: 0 auto;
padding: 20px;
}
.header {
text-align: center;
margin-bottom: 30px;
color: white;
}
.header h1 {
font-size: 2.5rem;
margin-bottom: 10px;
text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}
.header p {
font-size: 1.1rem;
opacity: 0.9;
}
.main-content {
display: grid;
grid-template-columns: 1fr 2fr;
gap: 30px;
margin-bottom: 30px;
}
.control-panel {
background: white;
border-radius: 15px;
padding: 25px;
box-shadow: 0 10px 30px rgba(0,0,0,0.2);
height: fit-content;
}
.control-panel h2 {
color: #4a5568;
margin-bottom: 20px;
font-size: 1.5rem;
border-bottom: 2px solid #e2e8f0;
padding-bottom: 10px;
}
.form-group {
margin-bottom: 20px;
}
.form-group label {
display: block;
margin-bottom: 8px;
font-weight: 600;
color: #4a5568;
}
.form-group select,
.form-group input {
width: 100%;
padding: 12px;
border: 2px solid #e2e8f0;
border-radius: 8px;
font-size: 14px;
transition: border-color 0.3s ease;
}
.form-group select:focus,
.form-group input:focus {
outline: none;
border-color: #667eea;
}
/* 预测质量参数样式 */
.form-group input[type="range"] {
width: 70%;
margin-right: 10px;
}
.form-group input[type="number"] {
width: 100%;
}
.form-group span {
display: inline-block;
min-width: 40px;
font-weight: 600;
color: #667eea;
}
.form-text {
font-size: 12px;
color: #718096;
margin-top: 5px;
}
.btn {
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
color: white;
border: none;
padding: 12px 24px;
border-radius: 8px;
font-size: 16px;
font-weight: 600;
cursor: pointer;
transition: transform 0.2s ease, box-shadow 0.2s ease;
width: 100%;
margin-bottom: 10px;
}
.btn:hover {
transform: translateY(-2px);
box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}
.btn:disabled {
opacity: 0.6;
cursor: not-allowed;
transform: none;
}
.btn-secondary {
background: linear-gradient(135deg, #718096 0%, #4a5568 100%);
}
.btn-success {
background: linear-gradient(135deg, #48bb78 0%, #38a169 100%);
}
.btn-warning {
background: linear-gradient(135deg, #ed8936 0%, #dd6b20 100%);
}
.status {
padding: 15px;
border-radius: 8px;
margin-bottom: 20px;
font-weight: 500;
}
.status.success {
background: #c6f6d5;
color: #22543d;
border: 1px solid #9ae6b4;
}
.status.error {
background: #fed7d7;
color: #742a2a;
border: 1px solid #feb2b2;
}
.status.info {
background: #bee3f8;
color: #2a4365;
border: 1px solid #90cdf4;
}
.status.warning {
background: #fef5e7;
color: #744210;
border: 1px solid #fbd38d;
}
.chart-container {
background: white;
border-radius: 15px;
padding: 25px;
box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}
.chart-container h2 {
color: #4a5568;
margin-bottom: 20px;
font-size: 1.5rem;
border-bottom: 2px solid #e2e8f0;
padding-bottom: 10px;
}
#chart {
width: 100%;
height: 600px;
}
.data-info {
background: #f7fafc;
border: 1px solid #e2e8f0;
border-radius: 8px;
padding: 15px;
margin-bottom: 20px;
}
.data-info h3 {
color: #4a5568;
margin-bottom: 10px;
font-size: 1.1rem;
}
.data-info p {
margin-bottom: 5px;
color: #4a5568;
}
.data-info strong {
color: #2d3748;
}
/* 时间窗口选择器样式 */
.time-window-container {
background: #f7fafc;
border: 1px solid #e2e8f0;
border-radius: 8px;
padding: 20px;
margin-bottom: 20px;
}
.time-window-container h3 {
color: #4a5568;
margin-bottom: 15px;
font-size: 1.1rem;
}
.time-window-info {
display: flex;
justify-content: space-between;
margin-bottom: 15px;
font-size: 12px;
color: #666;
}
.time-window-slider {
position: relative;
margin-bottom: 10px;
}
.slider-track {
position: relative;
height: 6px;
background: #e2e8f0;
border-radius: 3px;
cursor: pointer;
}
.slider-handle {
position: absolute;
top: -7px;
width: 20px;
height: 20px;
background: #667eea;
border-radius: 50%;
cursor: grab;
border: 2px solid white;
box-shadow: 0 2px 4px rgba(0,0,0,0.2);
z-index: 10;
}
.slider-handle:hover {
background: #5a67d8;
transform: scale(1.1);
}
.slider-handle:active {
cursor: grabbing;
}
.slider-selection {
position: absolute;
height: 6px;
background: #48bb78;
border-radius: 3px;
top: 0;
}
.slider-labels {
display: flex;
justify-content: space-between;
font-size: 11px;
color: #999;
margin-top: 5px;
}
/* 对比分析样式 */
.comparison-section {
background: #f7fafc;
border: 1px solid #e2e8f0;
border-radius: 8px;
padding: 20px;
margin-top: 20px;
}
.comparison-section h3 {
color: #4a5568;
margin-bottom: 15px;
font-size: 1.1rem;
}
.comparison-info {
background: white;
border: 1px solid #e2e8f0;
border-radius: 6px;
padding: 15px;
margin-bottom: 15px;
}
.comparison-table {
width: 100%;
border-collapse: collapse;
margin-top: 15px;
}
.comparison-table th,
.comparison-table td {
border: 1px solid #e2e8f0;
padding: 8px;
text-align: center;
font-size: 12px;
}
.comparison-table th {
background: #f7fafc;
font-weight: 600;
}
.error-stats {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
gap: 15px;
margin-top: 15px;
}
.error-stat {
background: white;
border: 1px solid #e2e8f0;
border-radius: 6px;
padding: 15px;
text-align: center;
}
.error-stat h4 {
color: #4a5568;
margin-bottom: 5px;
font-size: 0.9rem;
}
.error-stat .value {
font-size: 1.5rem;
font-weight: 600;
color: #667eea;
}
.error-stat .unit {
font-size: 0.8rem;
color: #718096;
}
.loading {
display: none;
text-align: center;
padding: 20px;
}
.loading.show {
display: block;
}
.spinner {
border: 4px solid #f3f3f3;
border-top: 4px solid #667eea;
border-radius: 50%;
width: 40px;
height: 40px;
animation: spin 1s linear infinite;
margin: 0 auto 10px;
}
@keyframes spin {
0% { transform: rotate(0deg); }
100% { transform: rotate(360deg); }
}
.model-info {
background: #e6fffa;
border: 1px solid #81e6d9;
border-radius: 8px;
padding: 15px;
margin-bottom: 20px;
}
.model-info h3 {
color: #234e52;
margin-bottom: 10px;
font-size: 1.1rem;
}
.model-info p {
margin-bottom: 5px;
color: #234e52;
}
.model-info strong {
color: #0f2027;
}
@media (max-width: 768px) {
.main-content {
grid-template-columns: 1fr;
}
.container {
padding: 10px;
}
.header h1 {
font-size: 2rem;
}
}
</style>
</head>
<body>
<div class="container">
<div class="header">
<h1>🚀 Kronos 金融预测 Web UI</h1>
<p>基于AI的金融K线数据预测分析平台</p>
</div>
<div class="main-content">
<div class="control-panel">
<h2>🎯 控制面板</h2>
<!-- 模型选择 -->
<div class="form-group">
<label for="model-select">选择模型:</label>
<select id="model-select">
<option value="">请先加载可用模型</option>
</select>
<small class="form-text">选择要使用的Kronos模型</small>
</div>
<!-- 设备选择 -->
<div class="form-group">
<label for="device-select">选择设备:</label>
<select id="device-select">
<option value="cpu">CPU</option>
<option value="cuda">CUDA (NVIDIA GPU)</option>
<option value="mps">MPS (Apple Silicon)</option>
</select>
<small class="form-text">选择模型运行的设备</small>
</div>
<!-- 模型状态 -->
<div id="model-status" class="status info" style="display: none;">
模型状态信息
</div>
<!-- 加载模型按钮 -->
<button id="load-model-btn" class="btn btn-secondary">
🔄 加载模型
</button>
<hr style="margin: 20px 0; border: 1px solid #e2e8f0;">
<!-- 数据文件选择 -->
<div class="form-group">
<label for="data-file-select">选择数据文件:</label>
<select id="data-file-select">
<option value="">请先加载数据文件列表</option>
</select>
<small class="form-text">从data目录选择K线数据文件</small>
</div>
<button id="load-data-btn" class="btn btn-secondary">
📁 加载数据
</button>
<!-- 数据信息显示 -->
<div id="data-info" class="data-info" style="display: none;">
<h3>📊 数据信息</h3>
<p><strong>行数:</strong> <span id="data-rows">-</span></p>
<p><strong>列数:</strong> <span id="data-cols">-</span></p>
<p><strong>时间范围:</strong> <span id="data-time-range">-</span></p>
<p><strong>价格范围:</strong> <span id="data-price-range">-</span></p>
<p><strong>时间频率:</strong> <span id="data-timeframe">-</span></p>
<p><strong>预测列:</strong> <span id="data-prediction-cols">-</span></p>
</div>
<hr style="margin: 20px 0; border: 1px solid #e2e8f0;">
<!-- 时间窗口选择器 -->
<div class="time-window-container">
<h3>⏰ 时间窗口选择</h3>
<div class="time-window-info">
<span id="window-start">开始: --</span>
<span id="window-end">结束: --</span>
<span id="window-size">窗口大小: 400+120=520个数据点</span>
</div>
<div class="time-window-slider">
<div class="slider-track">
<div class="slider-handle start-handle" id="start-handle"></div>
<div class="slider-selection" id="slider-selection"></div>
<div class="slider-handle end-handle" id="end-handle"></div>
</div>
<div class="slider-labels">
<span id="min-label">最早</span>
<span id="max-label">最新</span>
</div>
</div>
<small class="form-text">拖动滑条选择520个数据点的时间窗口位置,绿色区域表示固定的400+120数据点范围</small>
</div>
<!-- 预测参数 -->
<div class="form-group">
<label for="lookback">回看窗口大小:</label>
<input type="number" id="lookback" value="400" readonly>
<small class="form-text">固定为400个数据点</small>
</div>
<div class="form-group">
<label for="pred-len">预测长度:</label>
<input type="number" id="pred-len" value="120" readonly>
<small class="form-text">固定为120个数据点</small>
</div>
<!-- 预测质量参数 -->
<div class="form-group">
<label for="temperature">预测温度 (T):</label>
<input type="range" id="temperature" value="1.0" min="0.1" max="2.0" step="0.1">
<span id="temperature-value">1.0</span>
<small class="form-text">控制预测的随机性,值越高预测越多样化,值越低预测越保守</small>
</div>
<div class="form-group">
<label for="top-p">核采样参数 (top_p):</label>
<input type="range" id="top-p" value="0.9" min="0.1" max="1.0" step="0.1">
<span id="top-p-value">0.9</span>
<small class="form-text">控制预测的多样性,值越高考虑的概率分布越广</small>
</div>
<div class="form-group">
<label for="sample-count">样本数量:</label>
<input type="number" id="sample-count" value="1" min="1" max="5" step="1">
<small class="form-text">生成多个预测样本以提高质量(建议1-3个)</small>
</div>
<button id="predict-btn" class="btn btn-success" disabled>
🔮 开始预测
</button>
<!-- 加载状态 -->
<div id="loading" class="loading">
<div class="spinner"></div>
<p>正在处理,请稍候...</p>
</div>
</div>
<div class="chart-container">
<h2>📈 预测结果图表</h2>
<div id="chart"></div>
<!-- 对比分析 -->
<div id="comparison-section" class="comparison-section" style="display: none;">
<h3>📊 预测 vs 实际数据对比</h3>
<div id="comparison-info" class="comparison-info">
<p><strong>预测类型:</strong> <span id="prediction-type">-</span></p>
<p><strong>对比数据:</strong> <span id="comparison-data">-</span></p>
</div>
<div class="error-stats">
<div class="error-stat">
<h4>平均绝对误差</h4>
<div class="value" id="mae">-</div>
<div class="unit">价格单位</div>
</div>
<div class="error-stat">
<h4>均方根误差</h4>
<div class="value" id="rmse">-</div>
<div class="unit">价格单位</div>
</div>
<div class="error-stat">
<h4>平均绝对百分比误差</h4>
<div class="value" id="mape">-</div>
<div class="unit">%</div>
</div>
</div>
<div class="error-details">
<h4>详细对比数据:</h4>
<div style="max-height: 300px; overflow-y: auto;">
<table class="comparison-table">
<thead>
<tr>
<th>时间</th>
<th>实际开盘</th>
<th>预测开盘</th>
<th>实际最高</th>
<th>预测最高</th>
<th>实际最低</th>
<th>预测最低</th>
<th>实际收盘</th>
<th>预测收盘</th>
</tr>
</thead>
<tbody id="comparison-tbody">
</tbody>
</table>
</div>
</div>
</div>
</div>
</div>
</div>
<script>
// 全局变量
let currentDataFile = null;
let currentDataInfo = null;
let availableModels = [];
let modelLoaded = false;
// 页面加载完成后初始化
document.addEventListener('DOMContentLoaded', function() {
initializeApp();
});
// 初始化应用
async function initializeApp() {
console.log('🚀 初始化 Kronos Web UI...');
// 加载可用模型
await loadAvailableModels();
// 加载数据文件列表
await loadDataFiles();
// 设置事件监听器
setupEventListeners();
// 初始化时间滑块
initializeTimeSlider();
console.log('✅ 应用初始化完成');
}
// 加载可用模型
async function loadAvailableModels() {
try {
const response = await axios.get('/api/available-models');
if (response.data.model_available) {
availableModels = response.data.models;
populateModelSelect();
console.log('✅ 可用模型加载成功:', availableModels);
} else {
console.warn('⚠️ Kronos模型库不可用');
showStatus('warning', 'Kronos模型库不可用,将使用模拟预测');
}
} catch (error) {
console.error('❌ 加载可用模型失败:', error);
showStatus('error', '加载可用模型失败');
}
}
// 填充模型选择下拉框
function populateModelSelect() {
const modelSelect = document.getElementById('model-select');
modelSelect.innerHTML = '<option value="">请选择模型</option>';
Object.entries(availableModels).forEach(([key, model]) => {
const option = document.createElement('option');
option.value = key;
option.textContent = `${model.name} (${model.params}) - ${model.description}`;
modelSelect.appendChild(option);
});
}
// 加载模型
async function loadModel() {
const modelKey = document.getElementById('model-select').value;
const device = document.getElementById('device-select').value;
if (!modelKey) {
showStatus('error', '请选择要加载的模型');
return;
}
try {
showLoading(true);
document.getElementById('load-model-btn').disabled = true;
const response = await axios.post('/api/load-model', {
model_key: modelKey,
device: device
});
if (response.data.success) {
modelLoaded = true;
showStatus('success', response.data.message);
updateModelStatus();
document.getElementById('predict-btn').disabled = false;
console.log('✅ 模型加载成功:', response.data.model_info);
} else {
showStatus('error', response.data.error);
}
} catch (error) {
console.error('❌ 模型加载失败:', error);
showStatus('error', `模型加载失败: ${error.response?.data?.error || error.message}`);
} finally {
showLoading(false);
document.getElementById('load-model-btn').disabled = false;
}
}
// 更新模型状态
async function updateModelStatus() {
try {
const response = await axios.get('/api/model-status');
const status = response.data;
if (status.loaded) {
showStatus('success', `模型已加载: ${status.current_model.name} on ${status.current_model.device}`);
} else if (status.available) {
showStatus('info', '模型可用但未加载');
} else {
showStatus('warning', '模型库不可用');
}
} catch (error) {
console.error('❌ 获取模型状态失败:', error);
}
}
// 加载数据文件列表
async function loadDataFiles() {
try {
const response = await axios.get('/api/data-files');
const dataFiles = response.data;
const dataFileSelect = document.getElementById('data-file-select');
dataFileSelect.innerHTML = '<option value="">请选择数据文件</option>';
dataFiles.forEach(file => {
const option = document.createElement('option');
option.value = file.path;
option.textContent = `${file.name} (${file.size})`;
dataFileSelect.appendChild(option);
});
console.log('✅ 数据文件列表加载成功:', dataFiles);
} catch (error) {
console.error('❌ 加载数据文件列表失败:', error);
showStatus('error', '加载数据文件列表失败');
}
}
// 加载数据文件
async function loadData() {
const filePath = document.getElementById('data-file-select').value;
if (!filePath) {
showStatus('error', '请选择要加载的数据文件');
return;
}
try {
showLoading(true);
document.getElementById('load-data-btn').disabled = true;
const response = await axios.post('/api/load-data', {
file_path: filePath
});
if (response.data.success) {
currentDataFile = filePath;
currentDataInfo = response.data.data_info;
showDataInfo(response.data.data_info);
showStatus('success', response.data.message);
// 更新预测按钮状态
if (modelLoaded) {
document.getElementById('predict-btn').disabled = false;
}
console.log('✅ 数据加载成功:', response.data.data_info);
} else {
showStatus('error', response.data.error);
}
} catch (error) {
console.error('❌ 数据加载失败:', error);
showStatus('error', `数据加载失败: ${error.response?.data?.error || error.message}`);
} finally {
showLoading(false);
document.getElementById('load-data-btn').disabled = false;
}
}
// 显示数据信息
function showDataInfo(dataInfo) {
document.getElementById('data-info').style.display = 'block';
document.getElementById('data-rows').textContent = dataInfo.rows;
document.getElementById('data-cols').textContent = dataInfo.columns.length;
document.getElementById('data-time-range').textContent = `${dataInfo.start_date} 至 ${dataInfo.end_date}`;
document.getElementById('data-price-range').textContent = `${dataInfo.price_range.min.toFixed(4)} - ${dataInfo.price_range.max.toFixed(4)}`;
document.getElementById('data-timeframe').textContent = dataInfo.timeframe;
document.getElementById('data-prediction-cols').textContent = dataInfo.prediction_columns.join(', ');
// 初始化时间窗口滑条
initializeTimeWindowSlider(dataInfo);
}
// 时间窗口滑条相关变量
let sliderData = null;
let isDragging = false;
let currentHandle = null;
// 初始化时间窗口滑条
function initializeTimeSlider() {
// 设置滑条事件监听器
setupSliderEventListeners();
}
// 设置滑条事件监听器
function setupSliderEventListeners() {
const startHandle = document.getElementById('start-handle');
const endHandle = document.getElementById('end-handle');
const track = document.querySelector('.slider-track');
// 开始拖拽
startHandle.addEventListener('mousedown', (e) => {
isDragging = true;
currentHandle = 'start';
e.preventDefault();
});
endHandle.addEventListener('mousedown', (e) => {
isDragging = true;
currentHandle = 'end';
e.preventDefault();
});
// 拖拽中
document.addEventListener('mousemove', (e) => {
if (!isDragging) return;
const rect = track.getBoundingClientRect();
const x = e.clientX - rect.left;
const percentage = Math.max(0, Math.min(1, x / rect.width));
if (currentHandle === 'start') {
updateStartHandle(percentage);
} else if (currentHandle === 'end') {
updateEndHandle(percentage);
}
updateSliderFromHandles();
});
// 结束拖拽
document.addEventListener('mouseup', () => {
isDragging = false;
currentHandle = null;
});
// 点击轨道直接设置位置
track.addEventListener('click', (e) => {
const rect = track.getBoundingClientRect();
const x = e.clientX - rect.left;
const percentage = Math.max(0, Math.min(1, x / rect.width));
// 判断点击位置更接近哪个手柄
const startHandle = document.getElementById('start-handle');
const endHandle = document.getElementById('end-handle');
const startRect = startHandle.getBoundingClientRect();
const endRect = endHandle.getBoundingClientRect();
if (Math.abs(x - (startRect.left - rect.left)) < Math.abs(x - (endRect.left - rect.left))) {
updateStartHandle(percentage);
} else {
updateEndHandle(percentage);
}
updateSliderFromHandles();
});
}
// 更新开始手柄位置
function updateStartHandle(percentage) {
const startHandle = document.getElementById('start-handle');
const selection = document.getElementById('slider-selection');
// 固定窗口大小为520个数据点
const windowSize = 520;
const totalRows = sliderData ? sliderData.totalRows : 1000;
const windowPercentage = windowSize / totalRows;
// 确保开始手柄不会导致窗口超出数据范围
if (percentage + windowPercentage > 1) {
percentage = 1 - windowPercentage;
}
startHandle.style.left = (percentage * 100) + '%';
selection.style.left = (percentage * 100) + '%';
selection.style.width = (windowPercentage * 100) + '%';
// 自动调整结束手柄位置,保持固定窗口大小
const endHandle = document.getElementById('end-handle');
endHandle.style.left = ((percentage + windowPercentage) * 100) + '%';
}
// 更新结束手柄位置
function updateEndHandle(percentage) {
const endHandle = document.getElementById('end-handle');
const selection = document.getElementById('slider-selection');
// 固定窗口大小为520个数据点
const windowSize = 520;
const totalRows = sliderData ? sliderData.totalRows : 1000;
const windowPercentage = windowSize / totalRows;
// 确保结束手柄不会导致窗口超出数据范围
if (percentage - windowPercentage < 0) {
percentage = windowPercentage;
}
endHandle.style.left = (percentage * 100) + '%';
selection.style.left = ((percentage - windowPercentage) * 100) + '%';
selection.style.width = (windowPercentage * 100) + '%';
// 自动调整开始手柄位置,保持固定窗口大小
const startHandle = document.getElementById('start-handle');
startHandle.style.left = ((percentage - windowPercentage) * 100) + '%';
}
// 根据手柄位置更新滑条显示
function updateSliderFromHandles() {
const startHandle = document.getElementById('start-handle');
const endHandle = document.getElementById('end-handle');
const startPercentage = parseFloat(startHandle.style.left) / 100;
const endPercentage = parseFloat(endHandle.style.left) / 100;
if (!sliderData) return;
// 计算选中的时间范围
const totalTime = sliderData.endDate.getTime() - sliderData.startDate.getTime();
const startTime = sliderData.startDate.getTime() + (totalTime * startPercentage);
const endTime = sliderData.startDate.getTime() + (totalTime * endPercentage);
const startDate = new Date(startTime);
const endDate = new Date(endTime);
// 更新显示信息
document.getElementById('window-start').textContent = `开始: ${startDate.toLocaleDateString()}`;
document.getElementById('window-end').textContent = `结束: ${endDate.toLocaleDateString()}`;
// 显示固定的窗口大小
document.getElementById('window-size').textContent = `窗口大小: 400 + 120 = 520 个数据点 (固定)`;
// 输入框值保持固定
document.getElementById('lookback').value = 400;
document.getElementById('pred-len').value = 120;
}
// 根据输入框更新滑条
function updateSliderFromInputs() {
if (!sliderData) return;
// 固定窗口大小:400 + 120 = 520个数据点
const lookback = 400;
const predLen = 120;
const windowSize = lookback + predLen; // 固定为520
// 计算滑条位置
const totalRows = sliderData.totalRows;
if (windowSize > totalRows) {
// 如果窗口大小超过总数据量,显示错误
showStatus('error', `数据量不足,需要至少${windowSize}个数据点,当前只有${totalRows}个`);
return;
}
// 计算滑条位置(默认选择数据的前半部分)
const startPercentage = 0.1; // 从10%开始
const endPercentage = startPercentage + (windowSize / totalRows);
// 更新手柄位置
updateStartHandle(startPercentage);
updateEndHandle(endPercentage);
// 更新显示信息
updateSliderFromHandles();
}
// 初始化时间窗口滑条
function initializeTimeWindowSlider(dataInfo) {
sliderData = {
startDate: new Date(dataInfo.start_date),
endDate: new Date(dataInfo.end_date),
totalRows: dataInfo.rows,
timeframe: dataInfo.timeframe
};
// 设置滑条标签
document.getElementById('min-label').textContent = dataInfo.start_date.split('T')[0];
document.getElementById('max-label').textContent = dataInfo.end_date.split('T')[0];
// 初始化滑条位置
updateSliderFromInputs();
}
// 开始预测
async function startPrediction() {
if (!currentDataFile) {
showStatus('error', '请先加载数据文件');
return;
}
if (!modelLoaded) {
showStatus('error', '请先加载模型');
return;
}
try {
showLoading(true);
document.getElementById('predict-btn').disabled = true;
const lookback = parseInt(document.getElementById('lookback').value);
const predLen = parseInt(document.getElementById('pred-len').value);
// 从时间窗口滑条获取选择的时间范围
const startHandle = document.getElementById('start-handle');
const startPercentage = parseFloat(startHandle.style.left) / 100;
if (!sliderData) {
showStatus('error', '时间窗口滑条未初始化');
return;
}
// 计算选择的时间范围
const totalTime = sliderData.endDate.getTime() - sliderData.startDate.getTime();
const startTime = sliderData.startDate.getTime() + (totalTime * startPercentage);
const startDate = new Date(startTime);
// 获取预测质量参数
const temperature = parseFloat(document.getElementById('temperature').value);
const topP = parseFloat(document.getElementById('top-p').value);
const sampleCount = parseInt(document.getElementById('sample-count').value);
let predictionParams = {
file_path: currentDataFile,
lookback: lookback,
pred_len: predLen,
start_date: startDate.toISOString().slice(0, 16), // 格式化为 YYYY-MM-DDTHH:MM
temperature: temperature,
top_p: topP,
sample_count: sampleCount
};
console.log('🚀 开始预测,参数:', predictionParams);
const response = await axios.post('/api/predict', predictionParams);
if (response.data.success) {
// 显示预测结果
displayPredictionResult(response.data);
showStatus('success', response.data.message);
} else {
showStatus('error', response.data.error);
}
} catch (error) {
console.error('❌ 预测失败:', error);
showStatus('error', `预测失败: ${error.response?.data?.error || error.message}`);
} finally {
showLoading(false);
document.getElementById('predict-btn').disabled = false;
}
}
// 显示预测结果
function displayPredictionResult(result) {
// 显示图表
const chartData = JSON.parse(result.chart);
Plotly.newPlot('chart', chartData.data, chartData.layout);
// 显示对比分析(如果有实际数据)
if (result.has_comparison) {
displayComparisonAnalysis(result);
} else {
document.getElementById('comparison-section').style.display = 'none';
}
}
// 显示对比分析
function displayComparisonAnalysis(result) {
document.getElementById('comparison-section').style.display = 'block';
// 更新对比信息
document.getElementById('prediction-type').textContent = result.prediction_type;
document.getElementById('comparison-data').textContent = `${result.actual_data.length} 个实际数据点`;
// 计算误差统计
const errorStats = getPredictionQuality(result.prediction_results, result.actual_data);
// 显示误差统计
document.getElementById('mae').textContent = errorStats.mae.toFixed(4);
document.getElementById('rmse').textContent = errorStats.rmse.toFixed(4);
document.getElementById('mape').textContent = errorStats.mape.toFixed(2);
// 填充对比表格
fillComparisonTable(result.prediction_results, result.actual_data);
}
// 计算预测质量指标
function getPredictionQuality(predictions, actuals) {
if (!predictions || !actuals || predictions.length === 0 || actuals.length === 0) {
return { mae: 0, rmse: 0, mape: 0 };
}
const minLen = Math.min(predictions.length, actuals.length);
let mae = 0, rmse = 0, mape = 0;
for (let i = 0; i < minLen; i++) {
const pred = predictions[i];
const act = actuals[i];
// 使用收盘价计算误差
const error = Math.abs(pred.close - act.close);
const percentError = (error / act.close) * 100;
mae += error;
rmse += error * error;
mape += percentError;
}
mae /= minLen;
rmse = Math.sqrt(rmse / minLen);
mape /= minLen;
return { mae, rmse, mape };
}
// 填充对比表格
function fillComparisonTable(predictions, actuals) {
const tbody = document.getElementById('comparison-tbody');
tbody.innerHTML = '';
const minLen = Math.min(predictions.length, actuals.length);
for (let i = 0; i < minLen; i++) {
const pred = predictions[i];
const act = actuals[i];
const row = document.createElement('tr');
row.innerHTML = `
<td>${new Date(pred.timestamp).toLocaleString()}</td>
<td>${act.open.toFixed(4)}</td>
<td>${pred.open.toFixed(4)}</td>
<td>${act.high.toFixed(4)}</td>
<td>${pred.high.toFixed(4)}</td>
<td>${act.low.toFixed(4)}</td>
<td>${pred.low.toFixed(4)}</td>
<td>${act.close.toFixed(4)}</td>
<td>${pred.close.toFixed(4)}</td>
`;
tbody.appendChild(row);
}
}
// 设置事件监听器
function setupEventListeners() {
// 加载模型按钮
document.getElementById('load-model-btn').addEventListener('click', loadModel);
// 加载数据按钮
document.getElementById('load-data-btn').addEventListener('click', loadData);
// 预测按钮
document.getElementById('predict-btn').addEventListener('click', startPrediction);
// 预测质量参数滑块
document.getElementById('temperature').addEventListener('input', function() {
document.getElementById('temperature-value').textContent = this.value;
});
document.getElementById('top-p').addEventListener('input', function() {
document.getElementById('top-p-value').textContent = this.value;
});
// 回看窗口大小变化时更新滑条
document.getElementById('lookback').addEventListener('input', updateSliderFromInputs);
document.getElementById('pred-len').addEventListener('input', updateSliderFromInputs);
}
// 显示状态信息
function showStatus(type, message) {
const statusDiv = document.getElementById('model-status');
statusDiv.className = `status ${type}`;
statusDiv.textContent = message;
statusDiv.style.display = 'block';
// 自动隐藏
setTimeout(() => {
statusDiv.style.display = 'none';
}, 5000);
}
// 显示/隐藏加载状态
function showLoading(show) {
const loadingDiv = document.getElementById('loading');
if (show) {
loadingDiv.classList.add('show');
} else {
loadingDiv.classList.remove('show');
}
}
</script>
</body>
</html>