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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>SSE数据生成页面</title>
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<style>
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body {
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font-family: Arial, sans-serif;
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max-width: 800px;
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margin: 0 auto;
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padding: 20px;
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background-color: #f5f5f5;
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}
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.container {
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background: white;
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padding: 30px;
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border-radius: 8px;
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box-shadow: 0 2px 10px rgba(0,0,0,0.1);
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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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margin-bottom: 30px;
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}
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.button-container {
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text-align: center;
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margin-bottom: 30px;
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}
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#generateBtn {
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background-color: #007bff;
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color: white;
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border: none;
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padding: 12px 30px;
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font-size: 16px;
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border-radius: 5px;
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cursor: pointer;
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transition: background-color 0.3s;
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}
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#generateBtn:hover {
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background-color: #0056b3;
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}
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#generateBtn:disabled {
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background-color: #6c757d;
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cursor: not-allowed;
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}
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.status {
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text-align: center;
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margin-bottom: 20px;
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font-weight: bold;
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}
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.status.connecting {
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color: #ffc107;
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}
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.status.connected {
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color: #28a745;
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}
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.status.error {
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color: #dc3545;
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}
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.status.completed {
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color: #17a2b8;
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}
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.data-area {
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border: 1px solid #ddd;
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border-radius: 5px;
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padding: 15px;
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min-height: 300px;
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max-height: 400px;
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overflow-y: auto;
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background-color: #f8f9fa;
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font-family: 'Courier New', monospace;
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font-size: 14px;
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line-height: 1.4;
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white-space: pre-wrap;
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word-wrap: break-word;
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}
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.download-section {
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margin-top: 20px;
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padding: 15px;
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background-color: #e9ecef;
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border-radius: 5px;
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}
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.download-links {
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margin-top: 10px;
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}
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.download-link {
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display: inline-block;
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margin: 5px 10px 5px 0;
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padding: 8px 15px;
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background-color: #28a745;
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color: white;
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text-decoration: none;
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border-radius: 4px;
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transition: background-color 0.3s;
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}
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.download-link:hover {
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background-color: #218838;
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text-decoration: none;
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color: white;
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}
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.clear-btn {
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background-color: #6c757d;
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color: white;
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border: none;
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padding: 8px 15px;
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border-radius: 4px;
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cursor: pointer;
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margin-top: 10px;
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}
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.clear-btn:hover {
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background-color: #545b62;
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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>SSE数据生成器</h1>
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<div class="button-container">
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<button id="generateBtn" onclick="startGeneration()">生成</button>
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</div>
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<div id="status" class="status">准备就绪</div>
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<div class="data-area" id="dataArea">等待数据...</div>
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<button class="clear-btn" onclick="clearData()">清空数据</button>
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<div class="download-section">
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<h3>下载文件：</h3>
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<div id="downloadLinks" class="download-links">
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<span style="color: #6c757d;">暂无可下载文件</span>
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</div>
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</div>
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</div>
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<script>
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let eventSource = null;
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let downloadUrls = [];
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function startGeneration() {
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const generateBtn = document.getElementById('generateBtn');
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const statusDiv = document.getElementById('status');
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const dataArea = document.getElementById('dataArea');
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// 禁用按钮
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generateBtn.disabled = true;
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generateBtn.textContent = '生成中...';
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// 清空之前的数据
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dataArea.textContent = '';
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downloadUrls = [];
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updateDownloadLinks();
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// 更新状态
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statusDiv.textContent = '正在连接...';
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statusDiv.className = 'status connecting';
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// 创建SSE连接
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// 注意：请将下面的URL替换为你的实际接口地址
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eventSource = new EventSource('http://xxx/a.action');
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eventSource.onopen = function(event) {
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statusDiv.textContent = '连接成功，等待数据...';
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statusDiv.className = 'status connected';
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};
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eventSource.onmessage = function(event) {
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const data = event.data;
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// 在数据区域显示接收到的数据
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dataArea.textContent += data + '\n';
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// 自动滚动到底部
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dataArea.scrollTop = dataArea.scrollHeight;
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// 检查是否包含下载链接
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checkForDownloadLinks(data);
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};
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eventSource.onerror = function(event) {
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console.error('SSE连接错误:', event);
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statusDiv.textContent = '连接错误或已断开';
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statusDiv.className = 'status error';
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// 重新启用按钮
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generateBtn.disabled = false;
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generateBtn.textContent = '生成';
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// 关闭连接
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if (eventSource) {
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eventSource.close();
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eventSource = null;
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}
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};
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// 监听自定义事件（如果服务器发送特定事件类型）
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eventSource.addEventListener('complete', function(event) {
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statusDiv.textContent = '数据生成完成';
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statusDiv.className = 'status completed';
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// 重新启用按钮
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generateBtn.disabled = false;
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generateBtn.textContent = '生成';
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// 关闭连接
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eventSource.close();
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eventSource = null;
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});
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}
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function checkForDownloadLinks(data) {
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// 使用正则表达式匹配URL模式
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const urlPattern = /https?:\/\/[^\s]+\.(docx|pdf|xlsx|txt|zip|rar)/gi;
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const matches = data.match(urlPattern);
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if (matches) {
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matches.forEach(url => {
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if (!downloadUrls.includes(url)) {
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downloadUrls.push(url);
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}
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});
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updateDownloadLinks();
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}
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}
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function updateDownloadLinks() {
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const downloadLinksDiv = document.getElementById('downloadLinks');
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if (downloadUrls.length === 0) {
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downloadLinksDiv.innerHTML = '<span style="color: #6c757d;">暂无可下载文件</span>';
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return;
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}
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let linksHtml = '';
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downloadUrls.forEach((url, index) => {
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const fileName = url.split('/').pop() || `文件${index + 1}`;
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linksHtml += `<a href="${url}" class="download-link" target="_blank" download>${fileName}</a>`;
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});
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downloadLinksDiv.innerHTML = linksHtml;
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}
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function clearData() {
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const dataArea = document.getElementById('dataArea');
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dataArea.textContent = '等待数据...';
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// 可选：也清空下载链接
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// downloadUrls = [];
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// updateDownloadLinks();
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}
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// 页面卸载时关闭SSE连接
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window.addEventListener('beforeunload', function() {
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if (eventSource) {
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eventSource.close();
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}
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});
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// 停止生成功能（可选）
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function stopGeneration() {
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if (eventSource) {
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eventSource.close();
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eventSource = null;
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const generateBtn = document.getElementById('generateBtn');
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const statusDiv = document.getElementById('status');
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generateBtn.disabled = false;
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generateBtn.textContent = '生成';
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statusDiv.textContent = '已停止';
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statusDiv.className = 'status error';
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}
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}
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</script>
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</body>
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</html>
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