461 lines
16 KiB
HTML
461 lines
16 KiB
HTML
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<!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>教育场景识别</title>
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<link rel="icon" href="data:">
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<!-- 新增：引入MathJax库 -->
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<script src="https://gcore.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js"></script>
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<!-- 新增：MathJax配置 -->
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<script>
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MathJax = {
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tex: {
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inlineMath: [['$', '$'], ['\\(', '\\)']],
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displayMath: [['$$', '$$'], ['\\[', '\\]']],
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processEscapes: true
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}
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};
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</script>
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<style>
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body {
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font-family: 'Microsoft YaHei', sans-serif;
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margin: 0;
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padding: 0;
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background-color: #f5f5f5;
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}
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.container {
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max-width: 1200px;
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margin: 0 auto;
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padding: 20px;
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}
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h1 {
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color: #333;
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text-align: center;
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}
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.tab-container {
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display: flex;
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margin-bottom: 20px;
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}
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.tab-button {
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flex: 1;
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padding: 12px;
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background-color: #e0e0e0;
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border: none;
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cursor: pointer;
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font-size: 16px;
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transition: background-color 0.3s;
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}
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.tab-button.active {
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background-color: #4CAF50;
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color: white;
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}
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.tab-button:first-child {
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border-top-left-radius: 8px;
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border-bottom-left-radius: 8px;
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}
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.tab-button:last-child {
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border-top-right-radius: 8px;
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border-bottom-right-radius: 8px;
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}
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.tab-content {
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display: none;
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background-color: white;
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border-radius: 8px;
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padding: 20px;
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box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
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}
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.tab-content.active {
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display: block;
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}
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.example-section {
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margin-bottom: 30px;
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}
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.example-section h2 {
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color: #333;
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border-bottom: 2px solid #4CAF50;
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padding-bottom: 10px;
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}
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.example-images {
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display: flex;
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flex-wrap: wrap;
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gap: 20px;
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margin-top: 15px;
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}
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.example-image-card {
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width: 200px;
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border: 1px solid #ddd;
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border-radius: 8px;
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overflow: hidden;
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box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
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transition: transform 0.2s;
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}
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.example-image-card:hover {
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transform: translateY(-5px);
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}
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.example-image-card img {
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width: 100%;
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height: 150px;
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object-fit: contain;
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background-color: #f9f9f9;
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}
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.example-image-card .description {
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padding: 10px;
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text-align: center;
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font-size: 14px;
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color: #666;
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}
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.recognize-section {
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margin-top: 30px;
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}
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.recognize-section h2 {
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color: #333;
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border-bottom: 2px solid #4CAF50;
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padding-bottom: 10px;
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}
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.input-area {
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margin-top: 15px;
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}
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.input-group {
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display: flex;
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gap: 10px;
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margin-bottom: 15px;
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}
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.input-group input {
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flex: 1;
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padding: 10px;
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border: 1px solid #ddd;
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border-radius: 4px;
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}
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.input-group button {
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padding: 10px 15px;
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background-color: #4CAF50;
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color: white;
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border: none;
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border-radius: 4px;
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cursor: pointer;
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}
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.input-group button:hover {
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background-color: #45a049;
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}
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.option-item {
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display: inline-block; /* 保持行内块级特性 */
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padding-right: 15px; /* 序号与内容间距 */
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font-weight: bold; /* 突出显示选项序号 */
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}
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.result-area {
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margin-top: 20px;
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min-height: 200px;
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padding: 15px;
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border: 1px solid #ddd;
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border-radius: 4px;
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background-color: #f9f9f9;
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line-height: 1.8; /* 优化行高 */
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}
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.option-item {
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margin: 8px 0; /* 为选项添加上下间距 */
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background-color: #f9f9f9;
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}
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.loading-animation {
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position: fixed;
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top: 50%;
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left: 50%;
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transform: translate(-50%, -50%);
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z-index: 1000;
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display: flex !important;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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width: 100%;
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height: 100%;
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min-height: 200px;
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color: #666;
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background-color: rgba(249, 249, 249, 0.7); /* 调整透明度为0.7 */
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}
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.spinner {
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width: 40px;
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height: 40px;
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border: 4px solid #f3f3f3;
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border-top: 4px solid #3498db;
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border-radius: 50%;
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animation: spin 1s linear infinite !important;
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margin-bottom: 10px;
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}
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.result-area {
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margin-top: 20px;
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min-height: 200px;
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padding: 15px;
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border: 1px solid #ddd;
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border-radius: 4px;
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background-color: #f9f9f9;
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line-height: 1.8;
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position: relative; /* 关键：作为动画容器的定位基准 */
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overflow: hidden; /* 防止动画溢出 */
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}
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.option-item {
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margin: 8px 0; /* 为选项添加上下间距 */
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background-color: #f9f9f9;
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}
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@keyframes spin {
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0% {
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transform: rotate(0deg);
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}
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100% {
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transform: rotate(360deg);
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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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<h1>教育场景识别</h1>
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<div class="tab-container">
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<button class="tab-button active" onclick="switchTab('formula')">公式识别</button>
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<button class="tab-button" onclick="switchTab('question')">试题识别</button>
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</div>
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<!-- 公式识别标签页 -->
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<div id="formula-tab" class="tab-content active">
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<div class="example-section">
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<h2>示例公式图片</h2>
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<div class="example-images">
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<div class="example-image-card">
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<img src="https://dsideal.obs.cn-north-1.myhuaweicloud.com/HuangHai/Backup/GongShi.jpg" alt="公式示例1">
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<div class="description">数学公式示例</div>
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</div>
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</div>
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</div>
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<div class="recognize-section">
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<h2>公式识别</h2>
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<div class="input-area">
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<div class="input-group">
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<input type="text" id="formulaImageUrl" placeholder="请输入图片URL或使用示例图片" value="https://dsideal.obs.cn-north-1.myhuaweicloud.com/HuangHai/Backup/GongShi.jpg">
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<button onclick="recognizeFormula()">识别公式</button>
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</div>
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<div id="formulaResult" class="result-area">
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<div style="color:#666; text-align:center; padding:20px;">识别结果将在此处显示</div>
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</div>
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</div>
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</div>
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</div>
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<!-- 试题识别标签页 -->
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<div id="question-tab" class="tab-content">
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<div class="example-section">
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<h2>示例试题图片</h2>
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<div class="example-images">
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<div class="example-image-card">
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<img src="https://dsideal.obs.cn-north-1.myhuaweicloud.com/HuangHai/Backup/ShiTi.jpg" alt="试题示例1">
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<div class="description">试题示例</div>
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</div>
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</div>
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</div>
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<div class="recognize-section">
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<h2>试题识别</h2>
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<div class="input-area">
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<div class="input-group">
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<input type="text" id="questionImageUrl" placeholder="请输入图片URL或使用示例图片" value="https://dsideal.obs.cn-north-1.myhuaweicloud.com/HuangHai/Backup/ShiTi.jpg">
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<button onclick="recognizeQuestion()">识别试题</button>
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</div>
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<div id="questionResult" class="result-area">
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<div style="color:#666; text-align:center; padding:20px;">识别结果将在此处显示</div>
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</div>
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</div>
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</div>
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</div>
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</div>
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<script>
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// MathJax 配置
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window.MathJax = {
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tex: {
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inlineMath: [['$', '$'], ['\(', '\)']],
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displayMath: [['$$', '$$'], ['\[', '\]']],
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processEscapes: true,
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packages: {'[+]': ['ams']}
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},
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svg: { fontCache: 'global' },
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startup: { pageReady: pageReady }
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};
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// MathJax 加载完成后执行
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function pageReady() {
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return MathJax.startup.defaultPageReady().then(function() {
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console.log('MathJax 3 加载完成');
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});
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}
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</script>
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<script src="https://gcore.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js" id="MathJax-script"></script>
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<script>
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// 切换标签页
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function switchTab(tabName) {
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document.querySelectorAll('.tab-button').forEach(button => button.classList.remove('active'));
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document.querySelectorAll('.tab-content').forEach(content => content.classList.remove('active'));
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if (tabName === 'formula') {
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document.querySelectorAll('.tab-button')[0].classList.add('active');
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document.getElementById('formula-tab').classList.add('active');
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} else {
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document.querySelectorAll('.tab-button')[1].classList.add('active');
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document.getElementById('question-tab').classList.add('active');
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}
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}
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// 识别公式
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function recognizeFormula() {
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const imageUrl = document.getElementById('formulaImageUrl').value.trim();
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const resultArea = document.getElementById('formulaResult');
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if (!imageUrl) { alert('请输入图片URL！'); return; }
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resultArea.innerHTML = '<div class="loading-animation"><div class="spinner"></div><div>正在识别公式...</div></div>';
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fetch('/api/recognize-formula', {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({ image_url: imageUrl })
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})
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.then(response => response.json())
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.then(data => {
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if (data.error) { resultArea.innerHTML = `<div style="color:red">识别失败: ${data.error}</div>`; return; }
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const content = data.Data?.content || '';
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if (!content) { resultArea.innerHTML = '<div>未识别到公式内容</div>'; return; }
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try {
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resultArea.innerHTML = `<div class="tex2jax_process">$$${content}$$</div>`;
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renderWithMathJax(resultArea);
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} catch (error) {
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console.error('公式处理错误:', error);
|
|||
|
|
resultArea.innerHTML = `<div style="color:red">公式处理失败: ${error.message}</div>`;
|
|||
|
|
}
|
|||
|
|
})
|
|||
|
|
.catch(error => {
|
|||
|
|
console.error('请求错误:', error);
|
|||
|
|
resultArea.innerHTML = `<div style="color:red">请求出错，请重试</div>`;
|
|||
|
|
});
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 识别试题
|
|||
|
|
function recognizeQuestion() {
|
|||
|
|
const imageUrl = document.getElementById('questionImageUrl').value.trim();
|
|||
|
|
const resultArea = document.getElementById('questionResult');
|
|||
|
|
|
|||
|
|
if (!imageUrl) { alert('请输入图片URL！'); return; }
|
|||
|
|
|
|||
|
|
// 立即显示加载动画（关键修复）
|
|||
|
|
console.log('显示加载动画');
|
|||
|
|
resultArea.innerHTML = '<div class="loading-animation"><div class="spinner"></div><div>正在识别试题...</div></div>';
|
|||
|
|
|
|||
|
|
// 添加延迟模拟API调用
|
|||
|
|
setTimeout(() => {
|
|||
|
|
// 读取本地JSON文件
|
|||
|
|
fetch('ShiTi.json')
|
|||
|
|
.then(response => {
|
|||
|
|
console.log('JSON请求响应:', response);
|
|||
|
|
if (!response.ok) throw new Error('无法加载本地JSON文件');
|
|||
|
|
return response.json();
|
|||
|
|
})
|
|||
|
|
.then(data => {
|
|||
|
|
if (data.error) { resultArea.innerHTML = `<div style="color:red">识别失败: ${data.error}</div>`; return; }
|
|||
|
|
|
|||
|
|
let content = data.Data?.content || '';
|
|||
|
|
console.log("处理前："+content);
|
|||
|
|
|
|||
|
|
try {
|
|||
|
|
// 处理选项格式 - 序号与内容同行，选项间换行
|
|||
|
|
content = content.replace(/([A-D])\s*\.\s*/g, '<span class="option-item">$$$1. </span><br>');
|
|||
|
|
console.log("处理后："+content);
|
|||
|
|
// 确保不替换已添加的<br>标签
|
|||
|
|
const latexContainer = document.createElement('div');
|
|||
|
|
latexContainer.className = 'tex2jax_process';
|
|||
|
|
latexContainer.innerHTML = content;
|
|||
|
|
console.log('预处理后的内容:', latexContainer.innerHTML);
|
|||
|
|
resultArea.innerHTML = '';
|
|||
|
|
resultArea.appendChild(latexContainer);
|
|||
|
|
renderWithMathJax(resultArea);
|
|||
|
|
} catch (error) {
|
|||
|
|
console.error('试题处理错误:', error);
|
|||
|
|
resultArea.innerHTML = `<div style="color:red">试题处理失败: ${error.message}</div>`;
|
|||
|
|
}
|
|||
|
|
})
|
|||
|
|
.catch(error => {
|
|||
|
|
console.error('请求错误:', error);
|
|||
|
|
const errorMsg = '加载本地JSON失败: ' + error.message;
|
|||
|
|
resultArea.innerHTML = `<div style="color:red">${errorMsg}</div>`;
|
|||
|
|
});
|
|||
|
|
}, 1000); // 1秒延迟
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// MathJax渲染函数
|
|||
|
|
function renderWithMathJax(element) {
|
|||
|
|
if (!window.MathJax) {
|
|||
|
|
console.error('MathJax未加载，5秒后重试');
|
|||
|
|
setTimeout(() => renderWithMathJax(element), 5000);
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
try {
|
|||
|
|
MathJax.typesetPromise([element]).then(() => {
|
|||
|
|
console.log('MathJax渲染完成');
|
|||
|
|
}).catch((e) => {
|
|||
|
|
console.error('MathJax渲染错误:', e);
|
|||
|
|
fallbackRender(element);
|
|||
|
|
});
|
|||
|
|
} catch (e) {
|
|||
|
|
console.error('MathJax调用错误:', e);
|
|||
|
|
fallbackRender(element);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 渲染失败时的回退方法
|
|||
|
|
function fallbackRender(element) {
|
|||
|
|
const originalContent = element.querySelector('.tex2jax_process')?.textContent || '';
|
|||
|
|
if (originalContent) {
|
|||
|
|
element.innerHTML = `<div style="font-family: monospace; white-space: pre-wrap;">${escapeHtml(originalContent)}</div><div style="color:orange">提示：MathJax渲染失败，显示原始公式代码</div>`;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// HTML转义函数
|
|||
|
|
function escapeHtml(text) {
|
|||
|
|
const div = document.createElement('div');
|
|||
|
|
div.textContent = text;
|
|||
|
|
return div.innerHTML;
|
|||
|
|
}
|
|||
|
|
</script>
|
|||
|
|
</body>
|
|||
|
|
</html>
|