1f394cace3
- 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
1239 lines
44 KiB
HTML
1239 lines
44 KiB
HTML
<!DOCTYPE html>
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<html lang="zh-CN">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Kronos 金融预测 Web UI</title>
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<script src="https://cdn.plot.ly/plotly-latest.min.js"></script>
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<script src="https://cdn.jsdelivr.net/npm/axios/dist/axios.min.js"></script>
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<style>
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* {
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margin: 0;
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padding: 0;
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box-sizing: border-box;
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}
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body {
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font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
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background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
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min-height: 100vh;
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color: #333;
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}
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.container {
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max-width: 1400px;
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margin: 0 auto;
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padding: 20px;
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}
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.header {
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text-align: center;
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margin-bottom: 30px;
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color: white;
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}
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.header h1 {
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font-size: 2.5rem;
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margin-bottom: 10px;
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text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
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}
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.header p {
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font-size: 1.1rem;
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opacity: 0.9;
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}
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.main-content {
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display: grid;
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grid-template-columns: 1fr 2fr;
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gap: 30px;
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margin-bottom: 30px;
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}
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.control-panel {
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background: white;
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border-radius: 15px;
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padding: 25px;
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box-shadow: 0 10px 30px rgba(0,0,0,0.2);
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height: fit-content;
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}
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.control-panel h2 {
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color: #4a5568;
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margin-bottom: 20px;
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font-size: 1.5rem;
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border-bottom: 2px solid #e2e8f0;
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padding-bottom: 10px;
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}
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.form-group {
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margin-bottom: 20px;
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}
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.form-group label {
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display: block;
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margin-bottom: 8px;
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font-weight: 600;
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color: #4a5568;
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}
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.form-group select,
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.form-group input {
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width: 100%;
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padding: 12px;
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border: 2px solid #e2e8f0;
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border-radius: 8px;
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font-size: 14px;
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transition: border-color 0.3s ease;
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}
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.form-group select:focus,
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.form-group input:focus {
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outline: none;
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border-color: #667eea;
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}
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/* 预测质量参数样式 */
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.form-group input[type="range"] {
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width: 70%;
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margin-right: 10px;
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}
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.form-group input[type="number"] {
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width: 100%;
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}
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.form-group span {
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display: inline-block;
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min-width: 40px;
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font-weight: 600;
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color: #667eea;
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}
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.form-text {
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font-size: 12px;
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color: #718096;
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margin-top: 5px;
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}
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.btn {
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background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
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color: white;
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border: none;
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padding: 12px 24px;
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border-radius: 8px;
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font-size: 16px;
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font-weight: 600;
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cursor: pointer;
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transition: transform 0.2s ease, box-shadow 0.2s ease;
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width: 100%;
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margin-bottom: 10px;
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}
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.btn:hover {
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transform: translateY(-2px);
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box-shadow: 0 5px 15px rgba(0,0,0,0.2);
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}
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.btn:disabled {
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opacity: 0.6;
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cursor: not-allowed;
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transform: none;
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}
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.btn-secondary {
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background: linear-gradient(135deg, #718096 0%, #4a5568 100%);
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}
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.btn-success {
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background: linear-gradient(135deg, #48bb78 0%, #38a169 100%);
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}
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.btn-warning {
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background: linear-gradient(135deg, #ed8936 0%, #dd6b20 100%);
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}
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.status {
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padding: 15px;
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border-radius: 8px;
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margin-bottom: 20px;
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font-weight: 500;
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}
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.status.success {
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background: #c6f6d5;
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color: #22543d;
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border: 1px solid #9ae6b4;
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}
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.status.error {
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background: #fed7d7;
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color: #742a2a;
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border: 1px solid #feb2b2;
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}
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.status.info {
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background: #bee3f8;
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color: #2a4365;
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border: 1px solid #90cdf4;
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}
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.status.warning {
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background: #fef5e7;
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color: #744210;
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border: 1px solid #fbd38d;
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}
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.chart-container {
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background: white;
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border-radius: 15px;
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padding: 25px;
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box-shadow: 0 10px 30px rgba(0,0,0,0.2);
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}
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.chart-container h2 {
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color: #4a5568;
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margin-bottom: 20px;
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font-size: 1.5rem;
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border-bottom: 2px solid #e2e8f0;
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padding-bottom: 10px;
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}
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#chart {
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width: 100%;
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height: 600px;
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}
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.data-info {
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background: #f7fafc;
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border: 1px solid #e2e8f0;
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border-radius: 8px;
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padding: 15px;
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margin-bottom: 20px;
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}
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.data-info h3 {
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color: #4a5568;
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margin-bottom: 10px;
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font-size: 1.1rem;
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}
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.data-info p {
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margin-bottom: 5px;
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color: #4a5568;
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}
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.data-info strong {
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color: #2d3748;
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}
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/* 时间窗口选择器样式 */
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.time-window-container {
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background: #f7fafc;
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border: 1px solid #e2e8f0;
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border-radius: 8px;
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padding: 20px;
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margin-bottom: 20px;
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}
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.time-window-container h3 {
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color: #4a5568;
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margin-bottom: 15px;
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font-size: 1.1rem;
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}
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.time-window-info {
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display: flex;
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justify-content: space-between;
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margin-bottom: 15px;
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font-size: 12px;
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color: #666;
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}
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.time-window-slider {
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position: relative;
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margin-bottom: 10px;
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}
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.slider-track {
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position: relative;
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height: 6px;
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background: #e2e8f0;
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border-radius: 3px;
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cursor: pointer;
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}
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.slider-handle {
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position: absolute;
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top: -7px;
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width: 20px;
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height: 20px;
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background: #667eea;
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border-radius: 50%;
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cursor: grab;
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border: 2px solid white;
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box-shadow: 0 2px 4px rgba(0,0,0,0.2);
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z-index: 10;
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}
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.slider-handle:hover {
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background: #5a67d8;
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transform: scale(1.1);
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}
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.slider-handle:active {
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cursor: grabbing;
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}
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.slider-selection {
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position: absolute;
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height: 6px;
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background: #48bb78;
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border-radius: 3px;
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top: 0;
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}
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.slider-labels {
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display: flex;
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justify-content: space-between;
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font-size: 11px;
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color: #999;
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margin-top: 5px;
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}
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/* 对比分析样式 */
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.comparison-section {
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background: #f7fafc;
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border: 1px solid #e2e8f0;
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border-radius: 8px;
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padding: 20px;
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margin-top: 20px;
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}
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.comparison-section h3 {
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color: #4a5568;
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margin-bottom: 15px;
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font-size: 1.1rem;
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}
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.comparison-info {
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background: white;
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border: 1px solid #e2e8f0;
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border-radius: 6px;
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padding: 15px;
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margin-bottom: 15px;
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}
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.comparison-table {
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width: 100%;
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border-collapse: collapse;
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margin-top: 15px;
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}
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.comparison-table th,
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.comparison-table td {
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border: 1px solid #e2e8f0;
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padding: 8px;
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text-align: center;
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font-size: 12px;
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}
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.comparison-table th {
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background: #f7fafc;
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font-weight: 600;
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}
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.error-stats {
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display: grid;
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grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
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gap: 15px;
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margin-top: 15px;
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}
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.error-stat {
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background: white;
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border: 1px solid #e2e8f0;
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border-radius: 6px;
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padding: 15px;
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text-align: center;
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}
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.error-stat h4 {
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color: #4a5568;
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margin-bottom: 5px;
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font-size: 0.9rem;
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}
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.error-stat .value {
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font-size: 1.5rem;
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font-weight: 600;
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color: #667eea;
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}
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.error-stat .unit {
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font-size: 0.8rem;
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color: #718096;
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}
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.loading {
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display: none;
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text-align: center;
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padding: 20px;
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}
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.loading.show {
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display: block;
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}
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.spinner {
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border: 4px solid #f3f3f3;
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border-top: 4px solid #667eea;
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border-radius: 50%;
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width: 40px;
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height: 40px;
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animation: spin 1s linear infinite;
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margin: 0 auto 10px;
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}
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@keyframes spin {
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0% { transform: rotate(0deg); }
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100% { transform: rotate(360deg); }
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}
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.model-info {
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background: #e6fffa;
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border: 1px solid #81e6d9;
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border-radius: 8px;
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padding: 15px;
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margin-bottom: 20px;
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}
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.model-info h3 {
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color: #234e52;
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margin-bottom: 10px;
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font-size: 1.1rem;
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}
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.model-info p {
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margin-bottom: 5px;
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color: #234e52;
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}
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.model-info strong {
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color: #0f2027;
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}
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@media (max-width: 768px) {
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.main-content {
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grid-template-columns: 1fr;
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}
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.container {
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padding: 10px;
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}
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.header h1 {
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font-size: 2rem;
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}
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}
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</style>
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</head>
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<body>
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<div class="container">
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<div class="header">
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<h1>🚀 Kronos 金融预测 Web UI</h1>
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<p>基于AI的金融K线数据预测分析平台</p>
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</div>
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<div class="main-content">
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<div class="control-panel">
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<h2>🎯 控制面板</h2>
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<!-- 模型选择 -->
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<div class="form-group">
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<label for="model-select">选择模型:</label>
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<select id="model-select">
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<option value="">请先加载可用模型</option>
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</select>
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<small class="form-text">选择要使用的Kronos模型</small>
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</div>
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<!-- 设备选择 -->
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<div class="form-group">
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<label for="device-select">选择设备:</label>
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<select id="device-select">
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<option value="cpu">CPU</option>
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<option value="cuda">CUDA (NVIDIA GPU)</option>
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<option value="mps">MPS (Apple Silicon)</option>
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</select>
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<small class="form-text">选择模型运行的设备</small>
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</div>
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<!-- 模型状态 -->
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<div id="model-status" class="status info" style="display: none;">
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模型状态信息
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</div>
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<!-- 加载模型按钮 -->
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<button id="load-model-btn" class="btn btn-secondary">
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🔄 加载模型
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</button>
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<hr style="margin: 20px 0; border: 1px solid #e2e8f0;">
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<!-- 数据文件选择 -->
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<div class="form-group">
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<label for="data-file-select">选择数据文件:</label>
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<select id="data-file-select">
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<option value="">请先加载数据文件列表</option>
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</select>
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<small class="form-text">从data目录选择K线数据文件</small>
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</div>
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<button id="load-data-btn" class="btn btn-secondary">
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📁 加载数据
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</button>
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<!-- 数据信息显示 -->
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<div id="data-info" class="data-info" style="display: none;">
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<h3>📊 数据信息</h3>
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<p><strong>行数:</strong> <span id="data-rows">-</span></p>
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<p><strong>列数:</strong> <span id="data-cols">-</span></p>
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<p><strong>时间范围:</strong> <span id="data-time-range">-</span></p>
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<p><strong>价格范围:</strong> <span id="data-price-range">-</span></p>
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<p><strong>时间频率:</strong> <span id="data-timeframe">-</span></p>
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<p><strong>预测列:</strong> <span id="data-prediction-cols">-</span></p>
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</div>
|
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|
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<hr style="margin: 20px 0; border: 1px solid #e2e8f0;">
|
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|
||
<!-- 时间窗口选择器 -->
|
||
<div class="time-window-container">
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<h3>⏰ 时间窗口选择</h3>
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<div class="time-window-info">
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<span id="window-start">开始: --</span>
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<span id="window-end">结束: --</span>
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<span id="window-size">窗口大小: 400+120=520个数据点</span>
|
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</div>
|
||
|
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<div class="time-window-slider">
|
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<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>
|
||
|
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<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>
|
||
|
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<div class="form-group">
|
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<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>
|