新增获取视频地址页面，雏形未修改
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455
live_catalog/index.html
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455
live_catalog/index.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, user-scalable=no">
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<title>Live Catalog - 树形直播目录</title>
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<!-- HLS.js 用于播放 .m3u8 流 -->
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<script src="/static/js/hls.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: #f0f2f5;
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height: 100vh;
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overflow: hidden;
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}
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/* 主布局 */
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.app {
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display: flex;
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height: 100vh;
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width: 100%;
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}
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/* 左侧树形菜单 */
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.sidebar {
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width: 300px;
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background: #fff;
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border-right: 1px solid #e8e8e8;
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display: flex;
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flex-direction: column;
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box-shadow: 2px 0 8px rgba(0,0,0,0.02);
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overflow: auto;
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}
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.sidebar-header {
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padding: 16px 20px;
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background: #fafafa;
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border-bottom: 1px solid #e8e8e8;
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font-weight: 600;
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font-size: 16px;
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color: #1f2f3d;
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}
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.tree-container {
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flex: 1;
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overflow-y: auto;
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padding: 12px 0;
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}
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/* 树形结构样式 */
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.tree {
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list-style: none;
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margin: 0;
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padding-left: 0;
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}
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.tree-node {
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list-style: none;
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margin: 0;
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padding: 0;
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position: relative;
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}
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.tree-node-content {
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display: flex;
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align-items: center;
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padding: 8px 12px 8px 20px;
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cursor: pointer;
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transition: background 0.2s;
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font-size: 14px;
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color: #2c3e50;
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border-radius: 4px;
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margin: 2px 8px;
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}
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.tree-node-content:hover {
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background-color: #f5f7fa;
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}
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.tree-node-content.active {
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background-color: #e6f7ff;
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color: #1890ff;
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font-weight: 500;
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}
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/* 展开/折叠图标 */
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.expand-icon {
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display: inline-flex;
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align-items: center;
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justify-content: center;
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width: 20px;
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height: 20px;
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margin-right: 8px;
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font-size: 12px;
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color: #8c8c8c;
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transition: transform 0.2s;
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}
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.expand-icon.expanded {
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transform: rotate(90deg);
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}
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.node-name {
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flex: 1;
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}
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/* 加载中指示器 */
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.loading-icon {
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display: inline-block;
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width: 14px;
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height: 14px;
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margin-right: 8px;
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border: 2px solid #ddd;
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border-top-color: #1890ff;
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border-radius: 50%;
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animation: spin 0.6s linear infinite;
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}
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@keyframes spin {
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to { transform: rotate(360deg); }
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}
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/* 子节点容器 */
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.children {
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list-style: none;
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padding-left: 28px;
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margin: 0;
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display: none;
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}
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.children.show {
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display: block;
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}
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/* 右侧视频区域 */
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.video-area {
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flex: 1;
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background: #141414;
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display: flex;
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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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position: relative;
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overflow: hidden;
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}
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#video-container {
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width: 100%;
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height: 100%;
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display: flex;
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align-items: center;
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justify-content: center;
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background: #000;
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}
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video {
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max-width: 100%;
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max-height: 100%;
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width: auto;
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height: auto;
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background: black;
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}
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.placeholder {
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color: #ccc;
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font-size: 16px;
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text-align: center;
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padding: 20px;
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}
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/* 响应式小屏 */
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@media (max-width: 768px) {
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.sidebar {
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width: 260px;
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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="app">
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<div class="sidebar">
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<div class="sidebar-header">
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📺 直播目录
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</div>
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<div class="tree-container">
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<ul class="tree" id="tree-root">
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<!-- 根节点会动态渲染到这里 -->
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<li class="tree-node loading-placeholder" style="padding: 12px; text-align: center; color: #999;">加载中...</li>
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</ul>
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</div>
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</div>
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<div class="video-area">
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<div id="video-container">
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<div class="placeholder">👈 从左侧选择一个直播源</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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// API 基础路径（与后端同源）
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const API_BASE = '/api';
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// 全局状态
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let currentVideoNode = null; // 当前播放的节点对象
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let hls = null; // HLS 实例
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// 缓存已加载的子节点数据: { parentId: [childrenNodes] }
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const childrenCache = new Map();
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// 获取根节点
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async function fetchRoots() {
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try {
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const res = await fetch(`${API_BASE}/roots`);
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if (!res.ok) throw new Error(`HTTP ${res.status}`);
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return await res.json();
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} catch (err) {
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console.error('获取根节点失败:', err);
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return [];
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}
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}
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// 获取指定节点的子节点
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async function fetchChildren(parentId) {
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// 检查缓存
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if (childrenCache.has(parentId)) {
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return childrenCache.get(parentId);
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}
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try {
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const res = await fetch(`${API_BASE}/children/${parentId}`);
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if (!res.ok) throw new Error(`HTTP ${res.status}`);
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const children = await res.json();
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childrenCache.set(parentId, children);
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return children;
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} catch (err) {
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console.error(`获取节点 ${parentId} 的子节点失败:`, err);
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return [];
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}
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}
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// 获取节点详情（这里主要用来获取视频流地址，但也可以直接用子节点数据，不过为符合 API 设计，单独调用 stream 接口）
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async function fetchStreamUrl(nodeId) {
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try {
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const res = await fetch(`${API_BASE}/stream/${nodeId}`);
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if (!res.ok) throw new Error(`HTTP ${res.status}`);
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const data = await res.json();
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return data.url;
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} catch (err) {
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console.error(`获取节点 ${nodeId} 的视频地址失败:`, err);
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return null;
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}
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}
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// 播放视频
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async function playVideo(node) {
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if (!node || !node.is_leaf) return;
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// 显示加载占位
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const container = document.getElementById('video-container');
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container.innerHTML = '<div class="placeholder">📡 正在加载直播流...</div>';
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// 获取流地址
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const streamUrl = await fetchStreamUrl(node.id);
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if (!streamUrl) {
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container.innerHTML = '<div class="placeholder">❌ 无法获取视频地址，请稍后重试</div>';
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return;
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}
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// 清理旧播放器
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if (hls) {
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hls.destroy();
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hls = null;
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}
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// 创建 video 元素
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const video = document.createElement('video');
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video.controls = true;
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video.autoplay = true;
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video.style.width = '100%';
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video.style.height = '100%';
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video.style.objectFit = 'contain';
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container.innerHTML = '';
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container.appendChild(video);
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// 判断是否 HLS 流
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if (Hls.isSupported() && streamUrl.includes('.m3u8')) {
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hls = new Hls();
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hls.loadSource(streamUrl);
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hls.attachMedia(video);
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hls.on(Hls.Events.MANIFEST_PARSED, () => {
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video.play().catch(e => console.warn('自动播放被阻止:', e));
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});
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hls.on(Hls.Events.ERROR, (event, data) => {
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console.error('HLS 错误:', data);
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container.innerHTML = '<div class="placeholder">⚠️ 直播流播放失败，请检查地址或网络</div>';
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});
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} else if (video.canPlayType('application/vnd.apple.mpegurl') && streamUrl.includes('.m3u8')) {
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// 原生支持 HLS（Safari）
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video.src = streamUrl;
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video.addEventListener('loadedmetadata', () => {
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video.play().catch(e => console.warn('自动播放被阻止:', e));
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});
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} else {
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// 非 HLS 直接播放（如 mp4）
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video.src = streamUrl;
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video.addEventListener('error', () => {
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container.innerHTML = '<div class="placeholder">❌ 视频无法播放，格式可能不支持</div>';
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});
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}
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currentVideoNode = node;
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}
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// 渲染树节点（递归方式，但为了动态添加子节点，我们只渲染当前层的 ul）
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// 核心思路：为每个节点生成一个 <li>，内部包含 .tree-node-content 和一个 .children 容器
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// 点击节点时，如果已经有 .children 内容则切换显示；否则加载子节点并填充
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async function renderTree() {
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const rootContainer = document.getElementById('tree-root');
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const roots = await fetchRoots();
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if (!roots.length) {
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rootContainer.innerHTML = '<li class="tree-node" style="padding: 12px; text-align: center; color: #999;">暂无数据</li>';
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return;
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}
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// 清空并重新构建根节点
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rootContainer.innerHTML = '';
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for (const node of roots) {
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const li = createTreeNodeElement(node);
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rootContainer.appendChild(li);
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}
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}
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// 创建单个树节点的 DOM 元素（不含子节点，子节点容器为空）
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function createTreeNodeElement(node) {
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const li = document.createElement('li');
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li.className = 'tree-node';
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li.dataset.id = node.id;
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li.dataset.isLeaf = node.is_leaf;
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// 内容包装器
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const contentDiv = document.createElement('div');
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contentDiv.className = 'tree-node-content';
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if (!node.is_leaf) {
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// 非叶子节点：带展开图标
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const iconSpan = document.createElement('span');
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iconSpan.className = 'expand-icon';
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iconSpan.innerHTML = '▶'; // 初始向右，展开时旋转
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iconSpan.style.display = 'inline-block';
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contentDiv.appendChild(iconSpan);
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} else {
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// 叶子节点占位空白
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const placeholder = document.createElement('span');
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placeholder.style.width = '28px';
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placeholder.style.display = 'inline-block';
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contentDiv.appendChild(placeholder);
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}
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const nameSpan = document.createElement('span');
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nameSpan.className = 'node-name';
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nameSpan.textContent = node.name;
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contentDiv.appendChild(nameSpan);
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li.appendChild(contentDiv);
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// 子节点容器
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const childrenUl = document.createElement('ul');
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childrenUl.className = 'children';
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li.appendChild(childrenUl);
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// 绑定点击事件（在父容器上委托）
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contentDiv.addEventListener('click', (e) => {
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e.stopPropagation();
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onNodeClick(node, li, childrenUl, contentDiv);
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});
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return li;
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}
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// 处理节点点击
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async function onNodeClick(node, li, childrenUl, contentDiv) {
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// 如果是叶子节点：播放视频
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if (node.is_leaf) {
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// 高亮当前选中的节点
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clearActiveHighlight();
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contentDiv.classList.add('active');
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await playVideo(node);
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return;
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}
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// 非叶子节点：展开/折叠逻辑
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const isExpanded = childrenUl.classList.contains('show');
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if (isExpanded) {
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// 折叠
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childrenUl.classList.remove('show');
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const icon = contentDiv.querySelector('.expand-icon');
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if (icon) icon.classList.remove('expanded');
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} else {
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// 展开：检查是否已加载子节点
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if (childrenUl.children.length === 0) {
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// 显示加载动画
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const loadingSpan = document.createElement('span');
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loadingSpan.className = 'loading-icon';
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loadingSpan.style.marginLeft = '8px';
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contentDiv.appendChild(loadingSpan);
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const children = await fetchChildren(node.id);
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contentDiv.removeChild(loadingSpan);
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if (children && children.length) {
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for (const child of children) {
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const childLi = createTreeNodeElement(child);
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childrenUl.appendChild(childLi);
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}
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} else {
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// 无子节点：可显示“暂无子节点”提示
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const emptyMsg = document.createElement('li');
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emptyMsg.textContent = '（暂无下级）';
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emptyMsg.style.padding = '6px 12px';
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emptyMsg.style.color = '#999';
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emptyMsg.style.fontSize = '12px';
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childrenUl.appendChild(emptyMsg);
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}
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}
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// 展开并旋转图标
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childrenUl.classList.add('show');
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const icon = contentDiv.querySelector('.expand-icon');
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if (icon) icon.classList.add('expanded');
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}
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}
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// 清除所有高亮
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function clearActiveHighlight() {
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document.querySelectorAll('.tree-node-content.active').forEach(el => {
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el.classList.remove('active');
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});
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}
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// 初始化视频区域（可选：尝试自动播放需用户交互）
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function initVideoArea() {
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// 预留
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}
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// 启动
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(async function init() {
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await renderTree();
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initVideoArea();
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})();
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</script>
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</body>
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</html>
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237
live_catalog/live_catalog_backend.py
Normal file
237
live_catalog/live_catalog_backend.py
Normal file
@@ -0,0 +1,237 @@
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import os
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import urllib.parse
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import socket
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import json
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from http.server import ThreadingHTTPServer, SimpleHTTPRequestHandler
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# ========== 硬编码的树形数据 ==========
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# 节点结构:
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# {
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# "id": 1,
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# "name": "河北省",
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# "parent_id": None, # None 表示根节点
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# "is_leaf": False,
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# "stream_url": None # 叶子节点才会有值
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# }
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nodes = {
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1: {"id": 1, "name": "河北省", "parent_id": None, "is_leaf": False, "stream_url": None},
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2: {"id": 2, "name": "河南省", "parent_id": None, "is_leaf": False, "stream_url": None},
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3: {"id": 3, "name": "石家庄市", "parent_id": 1, "is_leaf": False, "stream_url": None},
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4: {"id": 4, "name": "保定市", "parent_id": 1, "is_leaf": False, "stream_url": None},
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5: {"id": 5, "name": "郑州市", "parent_id": 2, "is_leaf": False, "stream_url": None},
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||||
6: {"id": 6, "name": "长安区", "parent_id": 3, "is_leaf": True,
|
||||
"stream_url": "http://localhost:8355/stream.m3u8"},
|
||||
7: {"id": 7, "name": "桥西区", "parent_id": 3, "is_leaf": True,
|
||||
"stream_url": "https://example.com/live/qiaoxi.m3u8"},
|
||||
8: {"id": 8, "name": "竞秀区", "parent_id": 4, "is_leaf": True,
|
||||
"stream_url": "https://example.com/live/jingxiu.m3u8"},
|
||||
9: {"id": 9, "name": "莲池区", "parent_id": 4, "is_leaf": True,
|
||||
"stream_url": "https://example.com/live/lianchi.m3u8"},
|
||||
10: {"id": 10, "name": "中原区", "parent_id": 5, "is_leaf": True,
|
||||
"stream_url": "https://example.com/live/zhongyuan.m3u8"},
|
||||
}
|
||||
|
||||
def get_children(parent_id):
|
||||
"""返回父节点下的直接子节点列表"""
|
||||
return [node for node in nodes.values() if node["parent_id"] == parent_id]
|
||||
|
||||
def get_node(node_id):
|
||||
"""根据 id 获取节点详情"""
|
||||
return nodes.get(node_id)
|
||||
|
||||
def get_stream_url(node_id):
|
||||
"""获取叶子节点的视频流地址"""
|
||||
node = nodes.get(node_id)
|
||||
if node and node["is_leaf"]:
|
||||
return node["stream_url"]
|
||||
return None
|
||||
|
||||
# ========== HTTP 处理器 ==========
|
||||
class APIHandler(SimpleHTTPRequestHandler):
|
||||
# 设置超时
|
||||
timeout = 30
|
||||
|
||||
# MIME 类型映射
|
||||
MIME_TYPES = {
|
||||
'.html': 'text/html; charset=utf-8',
|
||||
'.css': 'text/css',
|
||||
'.js': 'application/javascript',
|
||||
'.json': 'application/json',
|
||||
'.png': 'image/png',
|
||||
'.jpg': 'image/jpeg',
|
||||
'.jpeg': 'image/jpeg',
|
||||
'.gif': 'image/gif',
|
||||
'.svg': 'image/svg+xml',
|
||||
'.ico': 'image/x-icon',
|
||||
'.mp3': 'audio/mpeg',
|
||||
'.wav': 'audio/wav',
|
||||
'.mp4': 'video/mp4',
|
||||
'.txt': 'text/plain; charset=utf-8',
|
||||
}
|
||||
|
||||
def log_message(self, format, *args):
|
||||
print(f"[{self.log_date_time_string()}] {self.address_string()} - {format % args}")
|
||||
|
||||
def send_json_response(self, data, status=200):
|
||||
"""统一返回 JSON 格式"""
|
||||
self.send_response(status)
|
||||
self.send_header('Content-type', 'application/json')
|
||||
self.send_header('Access-Control-Allow-Origin', '*')
|
||||
self.end_headers()
|
||||
self.wfile.write(json.dumps(data, ensure_ascii=False).encode('utf-8'))
|
||||
|
||||
def send_error_json(self, message, status=400):
|
||||
"""返回错误 JSON"""
|
||||
self.send_json_response({"error": message}, status)
|
||||
|
||||
def do_GET(self):
|
||||
try:
|
||||
parsed_path = urllib.parse.urlparse(self.path)
|
||||
path = parsed_path.path
|
||||
query = parsed_path.query
|
||||
|
||||
# 新 API 路由 (RESTful)
|
||||
if path.startswith('/api/roots'):
|
||||
# GET /api/roots
|
||||
roots = get_children(None)
|
||||
self.send_json_response(roots)
|
||||
return
|
||||
|
||||
elif path.startswith('/api/children/'):
|
||||
# GET /api/children/3
|
||||
try:
|
||||
node_id = int(path.split('/')[-1])
|
||||
except (ValueError, IndexError):
|
||||
self.send_error_json("Invalid node id", 400)
|
||||
return
|
||||
children = get_children(node_id)
|
||||
self.send_json_response(children)
|
||||
return
|
||||
|
||||
elif path.startswith('/api/node/'):
|
||||
# GET /api/node/3
|
||||
try:
|
||||
node_id = int(path.split('/')[-1])
|
||||
except (ValueError, IndexError):
|
||||
self.send_error_json("Invalid node id", 400)
|
||||
return
|
||||
node = get_node(node_id)
|
||||
if node is None:
|
||||
self.send_error_json("Node not found", 404)
|
||||
return
|
||||
self.send_json_response(node)
|
||||
return
|
||||
|
||||
elif path.startswith('/api/stream/'):
|
||||
# GET /api/stream/6
|
||||
try:
|
||||
node_id = int(path.split('/')[-1])
|
||||
except (ValueError, IndexError):
|
||||
self.send_error_json("Invalid node id", 400)
|
||||
return
|
||||
url = get_stream_url(node_id)
|
||||
if url is None:
|
||||
self.send_error_json("Stream not found or node is not a leaf", 404)
|
||||
return
|
||||
self.send_json_response({"url": url})
|
||||
return
|
||||
|
||||
# 静态文件服务（与原逻辑一致）
|
||||
if path == '/' or path == '/index.html':
|
||||
self.serve_file('index.html', query='api=1')
|
||||
return
|
||||
else:
|
||||
filename = path.lstrip('/')
|
||||
if os.path.exists(filename):
|
||||
self.serve_static_file(filename)
|
||||
else:
|
||||
self.send_error(404, 'Not Found')
|
||||
return
|
||||
|
||||
except Exception as e:
|
||||
print(f"Error handling request: {e}")
|
||||
self.send_error(500, 'Internal Server Error')
|
||||
|
||||
def serve_file(self, filename, query=None):
|
||||
"""与原代码相同的文件服务（保留原逻辑）"""
|
||||
try:
|
||||
file_path = os.path.join(os.path.dirname(os.path.abspath(__file__)), filename)
|
||||
if os.path.exists(file_path):
|
||||
self.send_response(200)
|
||||
self.send_header('Content-type', 'text/html; charset=utf-8')
|
||||
self.end_headers()
|
||||
|
||||
with open(file_path, 'rb') as f:
|
||||
content = f.read()
|
||||
|
||||
if query:
|
||||
try:
|
||||
content = content.decode('utf-8')
|
||||
# 替换原有 js 中的 apiParam 赋值语句（兼容旧前端）
|
||||
content = content.replace(
|
||||
"const apiParam = urlParams.get('api') || '1';",
|
||||
f"const apiParam = '{query.split('=')[1]}';"
|
||||
)
|
||||
content = content.encode('utf-8')
|
||||
except Exception as e:
|
||||
print(f"Error modifying HTML content: {e}")
|
||||
|
||||
self.wfile.write(content)
|
||||
else:
|
||||
self.send_error(404, f'{filename} not found')
|
||||
except Exception as e:
|
||||
print(f"Error serving file: {e}")
|
||||
raise
|
||||
|
||||
def serve_static_file(self, filename):
|
||||
"""与原代码相同的静态文件服务"""
|
||||
try:
|
||||
ext = os.path.splitext(filename)[1].lower()
|
||||
content_type = self.MIME_TYPES.get(ext, 'application/octet-stream')
|
||||
|
||||
self.send_response(200)
|
||||
self.send_header('Content-type', content_type)
|
||||
self.send_header('Access-Control-Allow-Origin', '*')
|
||||
self.end_headers()
|
||||
|
||||
with open(filename, 'rb') as f:
|
||||
self.wfile.write(f.read())
|
||||
except Exception as e:
|
||||
print(f"Error serving static file: {e}")
|
||||
self.send_error(500, 'Internal Server Error')
|
||||
|
||||
def check_port_available(port):
|
||||
"""检查端口是否可用"""
|
||||
with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
|
||||
try:
|
||||
s.bind(('', port))
|
||||
return True
|
||||
except socket.error:
|
||||
return False
|
||||
|
||||
def run():
|
||||
port = 18369
|
||||
if not check_port_available(port):
|
||||
print(f"错误: 端口 {port} 已被占用")
|
||||
return
|
||||
|
||||
server_address = ('', port)
|
||||
httpd = ThreadingHTTPServer(server_address, APIHandler)
|
||||
print(f'Server running on http://localhost:{port}')
|
||||
print('API endpoints:')
|
||||
print(' GET /api/roots - 获取所有根节点')
|
||||
print(' GET /api/children/<id> - 获取指定节点的子节点')
|
||||
print(' GET /api/node/<id> - 获取节点详情')
|
||||
print(' GET /api/stream/<id> - 获取视频流地址')
|
||||
print('静态文件服务: 访问 / 或 /index.html')
|
||||
print('按 Ctrl+C 停止服务器')
|
||||
|
||||
try:
|
||||
httpd.serve_forever()
|
||||
except KeyboardInterrupt:
|
||||
print('\n服务器已停止')
|
||||
httpd.server_close()
|
||||
|
||||
if __name__ == '__main__':
|
||||
run()
|
||||
2
live_catalog/static/js/hls.min.js
vendored
Normal file
2
live_catalog/static/js/hls.min.js
vendored
Normal file
File diff suppressed because one or more lines are too long
Reference in New Issue
Block a user