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<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>ISAPI 录像机管理工具</title>
<style>
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
min-height: 100vh;
padding: 20px;
color: #fff;
}
.container { max-width: 1200px; margin: 0 auto; }
h1 {
text-align: center;
margin-bottom: 20px;
font-size: 28px;
background: linear-gradient(90deg, #00d2ff, #3a7bd5);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
}
.tabs {
display: flex;
gap: 10px;
margin-bottom: 20px;
flex-wrap: wrap;
}
.tab-btn {
padding: 12px 24px;
border: none;
border-radius: 8px;
background: rgba(255,255,255,0.1);
color: #aaa;
cursor: pointer;
transition: all 0.3s;
font-size: 14px;
}
.tab-btn:hover { background: rgba(255,255,255,0.2); }
.tab-btn.active {
background: linear-gradient(90deg, #00d2ff, #3a7bd5);
color: #fff;
}
.tab-content { display: none; }
.tab-content.active { display: block; }
.card {
background: rgba(255, 255, 255, 0.1);
backdrop-filter: blur(10px);
border-radius: 16px;
padding: 24px;
margin-bottom: 20px;
border: 1px solid rgba(255, 255, 255, 0.1);
}
.card-title {
font-size: 18px;
margin-bottom: 20px;
color: #00d2ff;
}
.form-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
gap: 16px;
}
.form-group { display: flex; flex-direction: column; gap: 6px; }
label { font-size: 14px; color: #aaa; }
input, select {
padding: 12px 16px;
border: 1px solid rgba(255, 255, 255, 0.2);
border-radius: 8px;
background: rgba(0, 0, 0, 0.3);
color: #fff;
font-size: 14px;
}
input:focus, select:focus {
outline: none;
border-color: #00d2ff;
}
.btn-group { display: flex; gap: 12px; margin-top: 20px; flex-wrap: wrap; }
button {
padding: 12px 20px;
border: none;
border-radius: 8px;
font-size: 14px;
cursor: pointer;
transition: all 0.3s;
}
.btn-primary {
background: linear-gradient(90deg, #00d2ff, #3a7bd5);
color: #fff;
}
.btn-success {
background: linear-gradient(90deg, #00b09b, #96c93d);
color: #fff;
}
.btn-secondary {
background: rgba(255,255,255,0.2);
color: #fff;
}
.btn-danger {
background: linear-gradient(90deg, #ff416c, #ff4b2b);
color: #fff;
}
button:hover { transform: translateY(-2px); }
button:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; }
.info-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
gap: 16px;
}
.info-item {
background: rgba(0,0,0,0.2);
padding: 16px;
border-radius: 8px;
}
.info-label { font-size: 12px; color: #888; margin-bottom: 4px; }
.info-value { font-size: 16px; color: #fff; word-break: break-all; }
.channel-list, .recording-list { max-height: 300px; overflow-y: auto; }
.channel-item, .recording-item {
display: flex;
align-items: center;
padding: 12px;
background: rgba(0, 0, 0, 0.2);
border-radius: 8px;
margin-bottom: 8px;
gap: 12px;
}
.channel-item:hover { background: rgba(0, 0, 0, 0.3); }
.channel-info { flex: 1; }
.channel-name { font-size: 14px; color: #00d2ff; }
.channel-meta { font-size: 12px; color: #888; margin-top: 4px; }
.rtsp-box {
background: rgba(0,0,0,0.3);
padding: 12px;
border-radius: 8px;
font-family: monospace;
font-size: 13px;
word-break: break-all;
margin-top: 10px;
}
.copy-btn {
padding: 4px 12px;
font-size: 12px;
margin-left: 10px;
}
.progress-container { margin-top: 20px; }
.progress-bar {
height: 8px;
background: rgba(255, 255, 255, 0.1);
border-radius: 4px;
overflow: hidden;
}
.progress-fill {
height: 100%;
background: linear-gradient(90deg, #00d2ff, #3a7bd5);
transition: width 0.3s;
width: 0%;
}
.progress-text {
display: flex;
justify-content: space-between;
margin-top: 8px;
font-size: 14px;
color: #aaa;
}
.download-list { margin-top: 16px; }
.download-item {
display: flex;
align-items: center;
justify-content: space-between;
padding: 10px 12px;
background: rgba(0, 176, 155, 0.2);
border-radius: 6px;
margin-bottom: 6px;
}
.download-item a { color: #00d2ff; text-decoration: none; }
.storage-item {
background: rgba(0,0,0,0.2);
padding: 16px;
border-radius: 8px;
margin-bottom: 10px;
}
.storage-bar {
height: 8px;
background: rgba(255,255,255,0.1);
border-radius: 4px;
margin-top: 10px;
overflow: hidden;
}
.storage-fill {
height: 100%;
background: linear-gradient(90deg, #00b09b, #96c93d);
}
.ptz-controls {
display: grid;
grid-template-columns: repeat(3, 60px);
gap: 8px;
justify-content: center;
margin: 20px 0;
}
.ptz-btn {
width: 60px;
height: 60px;
border-radius: 50%;
font-size: 20px;
display: flex;
align-items: center;
justify-content: center;
}
.ptz-center { background: rgba(255,255,255,0.1); }
.zoom-controls {
display: flex;
gap: 20px;
justify-content: center;
margin-top: 20px;
}
.zoom-btn { width: 80px; }
.spinner {
display: inline-block;
width: 16px;
height: 16px;
border: 2px solid rgba(255,255,255,0.3);
border-radius: 50%;
border-top-color: #fff;
animation: spin 1s linear infinite;
margin-right: 8px;
}
@keyframes spin { to { transform: rotate(360deg); } }
.status-connected { color: #00b09b; }
.status-disconnected { color: #ff4b2b; }
.empty-state { text-align: center; padding: 40px; color: #666; }
.alert {
padding: 12px 16px;
border-radius: 8px;
margin-bottom: 16px;
}
.alert-success { background: rgba(0, 176, 155, 0.2); border: 1px solid rgba(0, 176, 155, 0.5); }
.alert-error { background: rgba(255, 75, 43, 0.2); border: 1px solid rgba(255, 75, 43, 0.5); }
</style>
</head>
<body>
<div class="container">
<h1>ISAPI 录像机管理工具</h1>
<!-- 连接配置 -->
<div class="card">
<div class="card-title">设备连接</div>
<div class="form-grid">
<div class="form-group">
<label>设备IP</label>
<input type="text" id="deviceIp" value="192.168.7.99" placeholder="192.168.1.100">
</div>
<div class="form-group">
<label>端口</label>
<input type="number" id="port" value="80">
</div>
<div class="form-group">
<label>用户名</label>
<input type="text" id="username" value="admin">
</div>
<div class="form-group">
<label>密码</label>
<input type="password" id="password" value="higer12345">
</div>
</div>
<div class="btn-group">
<button class="btn-primary" onclick="connect()">连接设备</button>
<span id="connectionStatus" style="line-height: 40px; margin-left: 10px;"></span>
</div>
</div>
<!-- 功能标签页 -->
<div class="tabs">
<button class="tab-btn active" onclick="showTab('device')">设备信息</button>
<button class="tab-btn" onclick="showTab('channels')">通道管理</button>
<button class="tab-btn" onclick="showTab('recordings')">录像搜索</button>
<button class="tab-btn" onclick="showTab('preview')">实时预览</button>
<button class="tab-btn" onclick="showTab('ptz')">云台控制</button>
<button class="tab-btn" onclick="showTab('storage')">存储管理</button>
</div>
<!-- 设备信息 -->
<div id="tab-device" class="tab-content active">
<div class="card">
<div class="card-title">设备信息</div>
<div id="deviceInfo" class="info-grid">
<div class="empty-state">请先连接设备</div>
</div>
</div>
</div>
<!-- 通道管理 -->
<div id="tab-channels" class="tab-content">
<div class="card">
<div class="card-title">通道列表 (<span id="channelCount">0</span>)</div>
<div id="channelList" class="channel-list">
<div class="empty-state">请先连接设备</div>
</div>
</div>
</div>
<!-- 录像搜索 -->
<div id="tab-recordings" class="tab-content">
<div class="card">
<div class="card-title">录像搜索</div>
<div class="form-grid">
<div class="form-group">
<label>通道</label>
<select id="searchChannel"></select>
</div>
<div class="form-group">
<label>开始时间</label>
<input type="datetime-local" id="startTime">
</div>
<div class="form-group">
<label>结束时间</label>
<input type="datetime-local" id="endTime">
</div>
<div class="form-group">
<label>RTSP 端口</label>
<input type="number" id="rtspPort" value="554" min="1" max="65535">
</div>
<div class="form-group">
<label>下载方式</label>
<select id="downloadMode">
<option value="isapi-http" selected>ISAPI HTTP 时间段截取 (快速) - 单文件</option>
<option value="rtsp">RTSP 时间段截取 (ffmpeg) - 单文件</option>
<option value="stream">分段下载 (playbackURI)</option>
<option value="file">文件下载 (downloadPath)</option>
</select>
</div>
</div>
<div class="download-mode-info" style="margin-top:15px; padding:12px; background:rgba(0,0,0,0.2); border-radius:8px; font-size:13px;">
<div id="modeDescription">
<strong style="color:#00d2ff;">ISAPI HTTP 快速截取 (推荐)</strong>：通过 HTTP 接口直接下载指定时间段录像，速度远快于 RTSP 流，生成<strong>单个连续文件</strong>。如失败将自动回退到 RTSP 方式。
</div>
</div>
<div class="btn-group">
<button class="btn-primary" id="searchBtn" onclick="searchRecordings()">搜索录像</button>
<button class="btn-success" id="downloadBtn" onclick="startDownload()" disabled>下载全部</button>
<button class="btn-success" id="rtspDownloadBtn" onclick="startRtspDownload()" style="background: linear-gradient(90deg, #ff9800, #f57c00);">直接截取</button>
</div>
</div>
<div class="card" id="recordingsCard" style="display:none;">
<div class="card-title">搜索结果 (<span id="recordingCount">0</span>)</div>
<div id="recordingList" class="recording-list"></div>
<div class="progress-container" id="progressContainer" style="display:none;">
<div style="display:flex; justify-content:space-between; margin-bottom:8px;">
<span id="downloadModeLabel" style="color:#00d2ff; font-size:13px;">下载模式: --</span>
<span id="downloadSpeed" style="color:#96c93d; font-size:13px;"></span>
</div>
<div class="progress-bar"><div class="progress-fill" id="progressFill"></div></div>
<div class="progress-text">
<span id="progressText">准备下载...</span>
<span id="progressPercent">0%</span>
</div>
<div id="bytesInfo" style="margin-top:8px; font-size:12px; color:#888;"></div>
<div class="btn-group" style="margin-top:12px;">
<button class="btn-danger" id="cancelTaskBtn" onclick="cancelCurrentTask()" style="display:none;">取消任务</button>
</div>
</div>
<div id="downloadLogs" style="display:none; margin-top:15px; padding:12px; background:rgba(0,0,0,0.3); border-radius:8px; max-height:150px; overflow-y:auto; font-family:monospace; font-size:11px; color:#aaa;"></div>
<div class="download-list" id="downloadList"></div>
</div>
</div>
<!-- 实时预览 -->
<div id="tab-preview" class="tab-content">
<div class="card">
<div class="card-title">实时预览地址</div>
<div class="form-grid">
<div class="form-group">
<label>通道</label>
<select id="previewChannel"></select>
</div>
<div class="form-group">
<label>码流类型</label>
<select id="streamType">
<option value="1">主码流 (高清)</option>
<option value="2">子码流 (流畅)</option>
</select>
</div>
</div>
<div class="btn-group">
<button class="btn-primary" onclick="getRtspUrl()">获取预览地址</button>
</div>
<div id="rtspResult" style="display:none; margin-top:20px;">
<div style="margin-bottom:10px;">
<strong>RTSP 地址:</strong>
<button class="btn-secondary copy-btn" onclick="copyText('rtspUrl')">复制</button>
</div>
<div class="rtsp-box" id="rtspUrl"></div>
<p style="margin-top:10px; font-size:12px; color:#888;">
可使用 VLC、PotPlayer 等播放器打开此地址观看实时画面
</p>
</div>
</div>
</div>
<!-- 云台控制 -->
<div id="tab-ptz" class="tab-content">
<div class="card">
<div class="card-title">云台控制 (PTZ)</div>
<div class="form-grid" style="max-width:400px;">
<div class="form-group">
<label>通道</label>
<select id="ptzChannel"></select>
</div>
<div class="form-group">
<label>速度 (1-7)</label>
<input type="range" id="ptzSpeed" min="1" max="7" value="4">
</div>
</div>
<div class="ptz-controls">
<div></div>
<button class="btn-secondary ptz-btn" onmousedown="ptzMove('up')" onmouseup="ptzStop()" onmouseleave="ptzStop()">↑</button>
<div></div>
<button class="btn-secondary ptz-btn" onmousedown="ptzMove('left')" onmouseup="ptzStop()" onmouseleave="ptzStop()">←</button>
<button class="btn-secondary ptz-btn ptz-center" onclick="ptzStop()">■</button>
<button class="btn-secondary ptz-btn" onmousedown="ptzMove('right')" onmouseup="ptzStop()" onmouseleave="ptzStop()">→</button>
<div></div>
<button class="btn-secondary ptz-btn" onmousedown="ptzMove('down')" onmouseup="ptzStop()" onmouseleave="ptzStop()">↓</button>
<div></div>
</div>
<div class="zoom-controls">
<button class="btn-secondary zoom-btn" onmousedown="ptzMove('zoomout')" onmouseup="ptzStop()" onmouseleave="ptzStop()">缩小 -</button>
<button class="btn-secondary zoom-btn" onmousedown="ptzMove('zoomin')" onmouseup="ptzStop()" onmouseleave="ptzStop()">放大 +</button>
</div>
<div style="margin-top:20px;">
<label>预置点:</label>
<div class="btn-group">
<button class="btn-secondary" onclick="gotoPreset(1)">预置点 1</button>
<button class="btn-secondary" onclick="gotoPreset(2)">预置点 2</button>
<button class="btn-secondary" onclick="gotoPreset(3)">预置点 3</button>
</div>
</div>
</div>
</div>
<!-- 存储管理 -->
<div id="tab-storage" class="tab-content">
<div class="card">
<div class="card-title">存储状态</div>
<div class="btn-group" style="margin-bottom:20px;">
<button class="btn-primary" onclick="getStorageStatus()">刷新状态</button>
</div>
<div id="deviceTimeInfo" style="margin-bottom:15px;"></div>
<div id="storageList">
<div class="empty-state">请先连接设备并刷新状态</div>
</div>
</div>
</div>
</div>
<script>
// 初始化时间
const now = new Date();
const oneHourAgo = new Date(now.getTime() - 60 * 60 * 1000);
document.getElementById('endTime').value = formatDateTime(now);
document.getElementById('startTime').value = formatDateTime(oneHourAgo);
function formatDateTime(date) {
const pad = n => n.toString().padStart(2, '0');
return date.getFullYear() + '-' + pad(date.getMonth()+1) + '-' + pad(date.getDate()) +
'T' + pad(date.getHours()) + ':' + pad(date.getMinutes());
}
let channelList = [];
let currentRecordings = [];
let currentTaskId = null;
let lastTotalBytes = 0;
let lastBytesTime = Date.now();
const MAX_DOWNLOAD_RANGE_MINUTES = 1440;
function getErrorMessage(data, fallbackMessage) {
if (!data) return fallbackMessage || '请求失败';
return data.error || data.message || data.code || fallbackMessage || '请求失败';
}
function getClientTimezoneOffsetMinutes() {
return String(-new Date().getTimezoneOffset());
}
function getRtspPortValue() {
const raw = document.getElementById('rtspPort').value || '554';
const rtspPort = Number(raw);
if (!Number.isInteger(rtspPort) || rtspPort < 1 || rtspPort > 65535) {
throw new Error('RTSP 端口必须是 1-65535 的整数');
}
return String(rtspPort);
}
function validateTimeRange() {
const startTime = document.getElementById('startTime').value;
const endTime = document.getElementById('endTime').value;
if (!startTime || !endTime) {
throw new Error('开始时间和结束时间不能为空');
}
const startDate = new Date(startTime);
const endDate = new Date(endTime);
if (Number.isNaN(startDate.getTime()) || Number.isNaN(endDate.getTime())) {
throw new Error('时间格式无效');
}
if (endDate <= startDate) {
throw new Error('结束时间必须大于开始时间');
}
const rangeMinutes = Math.floor((endDate - startDate) / 60000);
if (rangeMinutes > MAX_DOWNLOAD_RANGE_MINUTES) {
throw new Error('时间范围过大，最大允许 ' + MAX_DOWNLOAD_RANGE_MINUTES + ' 分钟');
}
return { startTime, endTime };
}
// 下载模式切换说明
document.getElementById('downloadMode').addEventListener('change', function() {
const mode = this.value;
const desc = document.getElementById('modeDescription');
if (mode === 'isapi-http') {
desc.innerHTML = '<strong style="color:#00d2ff;">ISAPI HTTP 快速截取 (推荐)</strong>：通过 HTTP 接口直接下载指定时间段录像，速度远快于 RTSP 流，生成<strong>单个连续文件</strong>。如失败将自动回退到 RTSP 方式。';
} else if (mode === 'rtsp') {
desc.innerHTML = '<strong style="color:#ff9800;">RTSP 时间段截取模式</strong>：通过 FFmpeg 获取 RTSP 回放流，生成<strong>单个连续文件</strong>，速度较慢（接近实时）。';
} else if (mode === 'file') {
desc.innerHTML = '<strong style="color:#00d2ff;">文件下载模式</strong>：直接下载设备已存储的录像文件，有明确文件大小，下载速度快。';
} else if (mode === 'stream') {
desc.innerHTML = '<strong style="color:#96c93d;">分段下载模式</strong>：先搜索录像片段，然后逐个下载，会生成多个文件。';
}
});
// 时间段截取下载（支持 ISAPI HTTP 和 RTSP 两种方式）
async function startRtspDownload() {
const btn = document.getElementById('rtspDownloadBtn');
const downloadMode = document.getElementById('downloadMode').value;
if (downloadMode !== 'isapi-http' && downloadMode !== 'rtsp') {
alert('当前模式不支持“直接截取”，请切换到 ISAPI HTTP 或 RTSP');
return;
}
let timeRange;
let rtspPort;
try {
timeRange = validateTimeRange();
rtspPort = getRtspPortValue();
} catch (e) {
alert(e.message);
return;
}
btn.disabled = true;
btn.innerHTML = '<span class="spinner"></span> 截取中...';
document.getElementById('downloadBtn').disabled = true;
document.getElementById('recordingsCard').style.display = 'block';
document.getElementById('recordingList').innerHTML = '<div class="empty-state">时间段截取模式：直接下载，无需搜索</div>';
document.getElementById('progressContainer').style.display = 'block';
document.getElementById('downloadList').innerHTML = '';
document.getElementById('downloadLogs').style.display = 'block';
document.getElementById('downloadLogs').innerHTML = '';
// 显示下载模式
document.getElementById('downloadModeLabel').textContent =
downloadMode === 'isapi-http' ? '下载模式: ISAPI HTTP 快速截取' : '下载模式: RTSP 时间段截取';
document.getElementById('recordingCount').textContent = '1';
document.getElementById('cancelTaskBtn').style.display = 'none';
// 重置速度计算
lastTotalBytes = 0;
lastBytesTime = Date.now();
try {
const formData = new URLSearchParams({
...getFormData(),
channelId: document.getElementById('searchChannel').value,
startTime: timeRange.startTime,
endTime: timeRange.endTime,
rtspPort: rtspPort,
downloadMethod: downloadMode
});
const response = await fetch('/api/rtsp-download', { method: 'POST', body: formData });
const data = await response.json();
if (!response.ok || data.success === false || data.error) {
alert('下载失败: ' + getErrorMessage(data, '请求失败'));
btn.disabled = false;
btn.innerHTML = '直接截取';
document.getElementById('downloadBtn').disabled = false;
return;
}
currentTaskId = data.taskId;
document.getElementById('cancelTaskBtn').style.display = 'inline-block';
console.log('截取任务创建成功，方式:', data.downloadMethod, '任务ID:', data.taskId);
pollDownloadStatus();
} catch (e) {
alert('下载失败: ' + e.message);
btn.disabled = false;
btn.innerHTML = '直接截取';
document.getElementById('downloadBtn').disabled = false;
}
}
// 格式化字节数
function formatBytes(bytes) {
if (bytes === 0) return '0 B';
const k = 1024;
const sizes = ['B', 'KB', 'MB', 'GB'];
const i = Math.floor(Math.log(bytes) / Math.log(k));
return parseFloat((bytes / Math.pow(k, i)).toFixed(2)) + ' ' + sizes[i];
}
function getFormData() {
return {
deviceIp: document.getElementById('deviceIp').value,
port: document.getElementById('port').value,
username: document.getElementById('username').value,
password: document.getElementById('password').value,
clientTimezoneOffsetMinutes: getClientTimezoneOffsetMinutes()
};
}
function showTab(tabId) {
document.querySelectorAll('.tab-btn').forEach(btn => btn.classList.remove('active'));
document.querySelectorAll('.tab-content').forEach(content => content.classList.remove('active'));
event.target.classList.add('active');
document.getElementById('tab-' + tabId).classList.add('active');
}
async function connect() {
const status = document.getElementById('connectionStatus');
status.innerHTML = '<span class="spinner"></span> 连接中...';
try {
// 获取设备信息
const formData = new URLSearchParams(getFormData());
const response = await fetch('/api/device-info', { method: 'POST', body: formData });
const data = await response.json();
if (!response.ok || data.success === false || data.error) {
status.innerHTML = '<span class="status-disconnected">连接失败: ' + getErrorMessage(data, '请求失败') + '</span>';
return;
}
status.innerHTML = '<span class="status-connected">已连接: ' + data.data.deviceName + '</span>';
// 显示设备信息
document.getElementById('deviceInfo').innerHTML =
'<div class="info-item"><div class="info-label">设备名称</div><div class="info-value">' + data.data.deviceName + '</div></div>' +
'<div class="info-item"><div class="info-label">型号</div><div class="info-value">' + data.data.model + '</div></div>' +
'<div class="info-item"><div class="info-label">序列号</div><div class="info-value">' + data.data.serialNumber + '</div></div>' +
'<div class="info-item"><div class="info-label">固件版本</div><div class="info-value">' + data.data.firmwareVersion + '</div></div>' +
'<div class="info-item"><div class="info-label">MAC地址</div><div class="info-value">' + (data.data.macAddress || 'N/A') + '</div></div>';
// 获取通道列表
await loadChannels();
} catch (e) {
status.innerHTML = '<span class="status-disconnected">连接失败: ' + e.message + '</span>';
}
}
async function loadChannels() {
try {
const formData = new URLSearchParams(getFormData());
const response = await fetch('/api/channels', { method: 'POST', body: formData });
const data = await response.json();
if (!response.ok || data.success === false || data.error) {
console.error('获取通道失败:', getErrorMessage(data, '请求失败'));
return;
}
channelList = data.channels || [];
document.getElementById('channelCount').textContent = channelList.length;
// 更新通道列表显示
if (channelList.length > 0) {
document.getElementById('channelList').innerHTML = channelList.map((ch, i) =>
'<div class="channel-item">' +
'<div class="channel-info">' +
'<div class="channel-name">通道 ' + ch.id + ': ' + ch.name + '</div>' +
'<div class="channel-meta">Track ID: ' + ch.trackId + ' | 状态: ' + (ch.enabled ? '启用' : '禁用') + '</div>' +
'</div></div>'
).join('');
} else {
document.getElementById('channelList').innerHTML = '<div class="empty-state">未找到通道</div>';
}
// 更新下拉框
updateChannelSelects();
} catch (e) {
console.error('获取通道失败:', e);
}
}
function updateChannelSelects() {
const selects = ['searchChannel', 'previewChannel', 'ptzChannel'];
selects.forEach(selectId => {
const select = document.getElementById(selectId);
select.innerHTML = '';
if (channelList.length === 0) {
// 默认选项
for (let i = 1; i <= 4; i++) {
const opt = document.createElement('option');
opt.value = selectId === 'searchChannel' ? (i * 100 + 1) : i;
opt.textContent = '通道 ' + i;
select.appendChild(opt);
}
} else {
channelList.forEach(ch => {
const opt = document.createElement('option');
opt.value = selectId === 'searchChannel' ? ch.trackId : ch.id;
opt.textContent = '通道 ' + ch.id + ': ' + ch.name;
select.appendChild(opt);
});
}
});
}
updateChannelSelects();
async function searchRecordings() {
const btn = document.getElementById('searchBtn');
let timeRange;
try {
timeRange = validateTimeRange();
} catch (e) {
alert(e.message);
return;
}
btn.disabled = true;
btn.innerHTML = '<span class="spinner"></span> 搜索中...';
try {
const formData = new URLSearchParams({
...getFormData(),
channelId: document.getElementById('searchChannel').value,
startTime: timeRange.startTime,
endTime: timeRange.endTime
});
const response = await fetch('/api/search', { method: 'POST', body: formData });
const data = await response.json();
if (!response.ok || data.success === false || data.error) {
alert('搜索失败: ' + getErrorMessage(data, '请求失败'));
return;
}
currentRecordings = data.recordings || [];
document.getElementById('recordingCount').textContent = data.count;
document.getElementById('recordingsCard').style.display = 'block';
document.getElementById('downloadBtn').disabled = data.count === 0;
if (data.count === 0) {
document.getElementById('recordingList').innerHTML = '<div class="empty-state">该时间段内没有录像</div>';
} else {
document.getElementById('recordingList').innerHTML = data.recordings.map((rec, i) => {
const hasPlaybackURI = rec.playbackURI && rec.playbackURI.length > 0;
const hasDownloadPath = rec.downloadPath && rec.downloadPath.length > 0;
const sizeInfo = rec.contentLength > 0 ? formatBytes(rec.contentLength) : '未知';
return '<div class="recording-item">' +
'<input type="checkbox" checked>' +
'<div class="channel-info" style="flex:1;">' +
'<div class="channel-name">' + rec.startTime.substring(0,19) + ' ~ ' + rec.endTime.substring(0,19) + '</div>' +
'<div class="channel-meta">通道: ' + rec.trackId + ' | 类型: ' + rec.eventType + ' | 大小: ' + sizeInfo + '</div>' +
'<div class="channel-meta" style="margin-top:2px;">' +
'<span style="color:' + (hasDownloadPath ? '#00d2ff' : '#666') + ';">文件下载: ' + (hasDownloadPath ? '✓' : '✗') + '</span> | ' +
'<span style="color:' + (hasPlaybackURI ? '#96c93d' : '#666') + ';">流式下载: ' + (hasPlaybackURI ? '✓' : '✗') + '</span>' +
'</div>' +
'</div></div>';
}).join('');
}
document.getElementById('downloadList').innerHTML = '';
document.getElementById('progressContainer').style.display = 'none';
document.getElementById('cancelTaskBtn').style.display = 'none';
} catch (e) {
alert('搜索失败: ' + e.message);
} finally {
btn.disabled = false;
btn.innerHTML = '搜索录像';
}
}
async function startDownload() {
const btn = document.getElementById('downloadBtn');
const downloadMode = document.getElementById('downloadMode').value;
if (downloadMode === 'rtsp' || downloadMode === 'isapi-http') {
alert('当前为 时间段截取模式，请点击“直接截取”按钮');
return;
}
let timeRange;
let rtspPort;
try {
timeRange = validateTimeRange();
rtspPort = getRtspPortValue();
} catch (e) {
alert(e.message);
return;
}
btn.disabled = true;
btn.innerHTML = '<span class="spinner"></span> 下载中...';
document.getElementById('rtspDownloadBtn').disabled = true;
document.getElementById('progressContainer').style.display = 'block';
document.getElementById('downloadList').innerHTML = '';
document.getElementById('downloadLogs').style.display = 'block';
document.getElementById('downloadLogs').innerHTML = '';
document.getElementById('cancelTaskBtn').style.display = 'none';
// 显示下载模式
document.getElementById('downloadModeLabel').textContent =
'下载模式: ' + (downloadMode === 'stream' ? '流式下载' : '文件下载');
// 重置速度计算
lastTotalBytes = 0;
lastBytesTime = Date.now();
try {
const formData = new URLSearchParams({
...getFormData(),
channelId: document.getElementById('searchChannel').value,
startTime: timeRange.startTime,
endTime: timeRange.endTime,
downloadMode: downloadMode,
rtspPort: rtspPort
});
const response = await fetch('/api/download', { method: 'POST', body: formData });
const data = await response.json();
if (!response.ok || data.success === false || data.error) {
alert('下载失败: ' + getErrorMessage(data, '请求失败'));
btn.disabled = false;
btn.innerHTML = '下载全部';
document.getElementById('rtspDownloadBtn').disabled = false;
return;
}
currentTaskId = data.taskId;
document.getElementById('cancelTaskBtn').style.display = 'inline-block';
console.log('下载任务创建成功，模式:', data.downloadMode, '任务ID:', data.taskId);
pollDownloadStatus();
} catch (e) {
alert('下载失败: ' + e.message);
btn.disabled = false;
btn.innerHTML = '下载全部';
document.getElementById('rtspDownloadBtn').disabled = false;
}
}
async function pollDownloadStatus() {
if (!currentTaskId) return;
try {
const response = await fetch('/api/download-status?taskId=' + currentTaskId);
const data = await response.json();
if (!response.ok || data.success === false || data.error) {
if (response.status === 404) {
document.getElementById('downloadBtn').disabled = false;
document.getElementById('downloadBtn').innerHTML = '下载全部';
document.getElementById('rtspDownloadBtn').disabled = false;
document.getElementById('rtspDownloadBtn').innerHTML = '直接截取';
document.getElementById('cancelTaskBtn').style.display = 'none';
document.getElementById('progressText').textContent = '任务不存在或已过期';
currentTaskId = null;
return;
}
throw new Error(getErrorMessage(data, '获取下载状态失败'));
}
// 计算文件级别进度
const fileProgress = data.total > 0 ? (data.current / data.total) * 100 : 0;
// 计算当前文件的字节进度（如果有的话）
let displayProgress = fileProgress;
if (data.expectedBytes > 0 && data.totalBytes > 0) {
const fileByteProgress = (data.totalBytes / data.expectedBytes) * 100;
// 混合进度：完成的文件 + 当前文件进度
displayProgress = ((data.current - 1) / data.total * 100) + (fileByteProgress / data.total);
}
document.getElementById('progressFill').style.width = Math.min(displayProgress, 100) + '%';
document.getElementById('progressPercent').textContent = Math.round(displayProgress) + '%';
document.getElementById('progressText').textContent = '下载 ' + data.current + '/' + data.total +
(data.currentFile ? ' (' + data.currentFile.substring(0,19) + ')' : '');
// 显示字节信息
const bytesInfo = document.getElementById('bytesInfo');
if (data.downloadMode === 'stream' || data.totalBytes > 0) {
let info = '当前文件: ' + formatBytes(data.totalBytes);
if (data.expectedBytes > 0) {
info += ' / ' + formatBytes(data.expectedBytes);
}
info += ' | 总计: ' + formatBytes(data.totalDownloadedBytes);
bytesInfo.textContent = info;
} else {
bytesInfo.textContent = '';
}
// 更新下载模式标签（反映 effectiveMethod 和回退状态）
if (data.effectiveMethod) {
const modeLabel = document.getElementById('downloadModeLabel');
if (data.fallbackUsed) {
modeLabel.textContent = '下载模式: ISAPI HTTP -> 已回退 RTSP';
modeLabel.style.color = '#ff9800';
} else if (data.effectiveMethod === 'isapi-http') {
modeLabel.textContent = '下载模式: ISAPI HTTP 快速截取';
modeLabel.style.color = '#00d2ff';
} else if (data.effectiveMethod === 'rtsp') {
modeLabel.textContent = '下载模式: RTSP 时间段截取';
modeLabel.style.color = '#ff9800';
}
}
// 计算下载速度
const now = Date.now();
const timeDiff = (now - lastBytesTime) / 1000;
if (timeDiff >= 1 && data.totalDownloadedBytes > lastTotalBytes) {
const bytesDiff = data.totalDownloadedBytes - lastTotalBytes + data.totalBytes;
const speed = bytesDiff / timeDiff;
document.getElementById('downloadSpeed').textContent = '速度: ' + formatBytes(speed) + '/s';
lastTotalBytes = data.totalDownloadedBytes;
lastBytesTime = now;
}
// 显示日志
if (data.logs && data.logs.length > 0) {
const logsDiv = document.getElementById('downloadLogs');
logsDiv.innerHTML = data.logs.map(log => '<div>' + log + '</div>').join('');
logsDiv.scrollTop = logsDiv.scrollHeight;
}
// 显示已下载文件
if (data.files && data.files.length > 0) {
document.getElementById('downloadList').innerHTML = data.files.map(file =>
'<div class="download-item"><span>' + file + '</span>' +
'<a href="/downloads/' + file + '" download>下载</a></div>'
).join('');
}
const status = data.status || '';
const isFailed = status.startsWith('failed');
const isTerminal = status === 'completed' || status === 'cancelled' || isFailed;
if (isTerminal) {
document.getElementById('downloadBtn').disabled = false;
document.getElementById('downloadBtn').innerHTML = '下载全部';
document.getElementById('rtspDownloadBtn').disabled = false;
document.getElementById('rtspDownloadBtn').innerHTML = '直接截取';
document.getElementById('cancelTaskBtn').style.display = 'none';
const totalMB = (data.totalDownloadedBytes / 1024 / 1024).toFixed(2);
document.getElementById('progressText').textContent =
(status === 'completed' ? '完成!' : (status === 'cancelled' ? '已取消!' : '失败!')) +
' 成功:' + data.success + ' 失败:' + data.failed +
' 总计:' + totalMB + 'MB' +
(data.message ? ' | ' + data.message : '');
document.getElementById('downloadSpeed').textContent = '';
currentTaskId = null;
} else {
setTimeout(pollDownloadStatus, 1000);
}
} catch (e) {
console.error('获取下载状态失败:', e);
setTimeout(pollDownloadStatus, 2000);
}
}
async function cancelCurrentTask() {
if (!currentTaskId) return;
try {
const response = await fetch('/api/download-status?taskId=' + encodeURIComponent(currentTaskId), { method: 'DELETE' });
const data = await response.json();
if (!response.ok || data.success === false || data.error) {
alert('取消失败: ' + getErrorMessage(data, '请求失败'));
return;
}
document.getElementById('cancelTaskBtn').style.display = 'none';
setTimeout(pollDownloadStatus, 500);
} catch (e) {
alert('取消失败: ' + e.message);
}
}
async function getRtspUrl() {
try {
const formData = new URLSearchParams({
...getFormData(),
channelId: document.getElementById('previewChannel').value,
streamType: document.getElementById('streamType').value