Files

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HTML

<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>CDN 状态调试 - OpenTu</title>
<style>
:root {
--primary-color: #f39c12;
--primary-hover: #e67e22;
--success-color: #00b894;
--error-color: #e91e63;
--bg-color: #f8f9fa;
--card-bg: #ffffff;
--text-color: #333;
--border-color: #e0e0e0;
}
* {
box-sizing: border-box;
margin: 0;
padding: 0;
}
body {
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
sans-serif;
background: var(--bg-color);
color: var(--text-color);
padding: 20px;
max-width: 800px;
margin: 0 auto;
}
h1 {
color: var(--primary-color);
margin-bottom: 20px;
display: flex;
align-items: center;
gap: 10px;
}
.card {
background: var(--card-bg);
border-radius: 12px;
padding: 20px;
margin-bottom: 20px;
box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}
.card h2 {
font-size: 16px;
margin-bottom: 15px;
color: #666;
}
.status-grid {
display: grid;
gap: 12px;
}
.status-item {
display: flex;
align-items: center;
justify-content: space-between;
padding: 12px 16px;
background: var(--bg-color);
border-radius: 8px;
}
.status-name {
font-weight: 500;
}
.status-badge {
padding: 4px 12px;
border-radius: 20px;
font-size: 12px;
font-weight: 500;
}
.status-badge.healthy {
background: rgba(0, 184, 148, 0.15);
color: var(--success-color);
}
.status-badge.unhealthy {
background: rgba(233, 30, 99, 0.15);
color: var(--error-color);
}
.status-badge.unknown {
background: rgba(0, 0, 0, 0.1);
color: #666;
}
.btn {
padding: 10px 20px;
border: none;
border-radius: 8px;
font-size: 14px;
font-weight: 500;
cursor: pointer;
transition: all 0.2s;
}
.btn-primary {
background: var(--primary-color);
color: white;
}
.btn-primary:hover {
background: var(--primary-hover);
}
.btn-secondary {
background: var(--bg-color);
color: var(--text-color);
}
.btn-secondary:hover {
background: #e0e0e0;
}
.btn-group {
display: flex;
gap: 10px;
margin-top: 15px;
}
.log {
background: #1a1a2e;
color: #eee;
padding: 15px;
border-radius: 8px;
font-family: 'Monaco', 'Menlo', monospace;
font-size: 13px;
max-height: 300px;
overflow-y: auto;
white-space: pre-wrap;
}
.log-entry {
margin-bottom: 5px;
line-height: 1.4;
}
.log-entry.success {
color: #00b894;
}
.log-entry.error {
color: #e91e63;
}
.log-entry.info {
color: #74b9ff;
}
.info-text {
color: #666;
font-size: 14px;
margin-bottom: 15px;
}
.latency {
color: #999;
font-size: 12px;
margin-left: 10px;
}
</style>
</head>
<body>
<h1>🌐 CDN 状态调试</h1>
<div class="card">
<h2>CDN 源状态</h2>
<p class="info-text">显示各 CDN 源的健康状态和延迟信息</p>
<div id="cdn-status" class="status-grid">
<div class="status-item">
<span>加载中...</span>
</div>
</div>
<div class="btn-group">
<button class="btn btn-primary" onclick="refreshStatus()">
刷新状态
</button>
<button class="btn btn-secondary" onclick="runHealthCheck()">
执行健康检查
</button>
<button class="btn btn-secondary" onclick="resetStatus()">
重置状态
</button>
</div>
</div>
<div class="card">
<h2>CDN 偏好设置</h2>
<p class="info-text">浏览器自动选择的最快 CDN(基于延迟测试)</p>
<div id="cdn-preference" class="status-grid">
<div class="status-item">
<span>加载中...</span>
</div>
</div>
<div class="btn-group">
<button class="btn btn-primary" onclick="reselectCDN()">
重新选择
</button>
<button class="btn btn-secondary" onclick="clearPreference()">
清除偏好
</button>
</div>
</div>
<div class="card">
<h2>操作日志</h2>
<div id="log" class="log">等待操作...</div>
</div>
<script src="./cdn-config.js"></script>
<script>
const logEl = document.getElementById('log');
function log(message, type = 'info') {
const entry = document.createElement('div');
entry.className = `log-entry ${type}`;
entry.textContent = `[${new Date().toLocaleTimeString()}] ${message}`;
logEl.appendChild(entry);
logEl.scrollTop = logEl.scrollHeight;
}
function clearLog() {
logEl.innerHTML = '';
}
// 获取 SW CDN 状态
async function refreshStatus() {
log('获取 SW CDN 状态...');
if (!navigator.serviceWorker.controller) {
log('Service Worker 未激活', 'error');
return;
}
return new Promise((resolve) => {
const handler = (event) => {
if (event.data && event.data.type === 'SW_CDN_STATUS') {
navigator.serviceWorker.removeEventListener('message', handler);
renderStatus(event.data.status);
log('CDN 状态已更新', 'success');
resolve(event.data.status);
}
};
navigator.serviceWorker.addEventListener('message', handler);
navigator.serviceWorker.controller.postMessage({
type: 'SW_CDN_GET_STATUS',
});
// 超时处理
setTimeout(() => {
navigator.serviceWorker.removeEventListener('message', handler);
log('获取状态超时', 'error');
resolve(null);
}, 5000);
});
}
function renderStatus(statusList) {
const container = document.getElementById('cdn-status');
if (!statusList || statusList.length === 0) {
container.innerHTML =
'<div class="status-item"><span>无数据</span></div>';
return;
}
container.innerHTML = statusList
.map((item) => {
const status = item.status;
const badgeClass = status.isHealthy ? 'healthy' : 'unhealthy';
const badgeText = status.isHealthy ? '健康' : '不健康';
const lastCheck = status.lastCheckTime
? new Date(status.lastCheckTime).toLocaleTimeString()
: '未检查';
return `
<div class="status-item">
<div>
<span class="status-name">${item.name}</span>
<span class="latency">失败次数: ${status.failCount} | 最后检查: ${lastCheck}</span>
</div>
<span class="status-badge ${badgeClass}">${badgeText}</span>
</div>
`;
})
.join('');
}
// 执行健康检查
async function runHealthCheck() {
log('执行 CDN 健康检查...');
if (!navigator.serviceWorker.controller) {
log('Service Worker 未激活', 'error');
return;
}
return new Promise((resolve) => {
const handler = (event) => {
if (
event.data &&
event.data.type === 'SW_CDN_HEALTH_CHECK_RESULT'
) {
navigator.serviceWorker.removeEventListener('message', handler);
const results = event.data.results;
Object.entries(results).forEach(([name, healthy]) => {
log(
`${name}: ${healthy ? '✓ 可用' : '✗ 不可用'}`,
healthy ? 'success' : 'error'
);
});
refreshStatus();
resolve(results);
}
};
navigator.serviceWorker.addEventListener('message', handler);
navigator.serviceWorker.controller.postMessage({
type: 'SW_CDN_HEALTH_CHECK',
});
setTimeout(() => {
navigator.serviceWorker.removeEventListener('message', handler);
log('健康检查超时', 'error');
resolve(null);
}, 15000);
});
}
// 重置状态
async function resetStatus() {
log('重置 CDN 状态...');
if (!navigator.serviceWorker.controller) {
log('Service Worker 未激活', 'error');
return;
}
navigator.serviceWorker.controller.postMessage({
type: 'SW_CDN_RESET_STATUS',
});
log('CDN 状态已重置', 'success');
setTimeout(refreshStatus, 500);
}
// 显示 CDN 偏好
function showPreference() {
const container = document.getElementById('cdn-preference');
const pref = window.__AITU_CDN__;
if (!pref) {
container.innerHTML =
'<div class="status-item"><span>未设置偏好</span></div>';
return;
}
const results = pref.allResults || [];
container.innerHTML = results
.map(
(r) => `
<div class="status-item">
<div>
<span class="status-name">${r.name}</span>
<span class="latency">${
r.success ? r.latency + 'ms' : '不可用'
}</span>
</div>
<span class="status-badge ${
r.name === pref.cdn ? 'healthy' : 'unknown'
}">
${r.name === pref.cdn ? '已选择' : ''}
</span>
</div>
`
)
.join('');
if (results.length === 0) {
container.innerHTML = `
<div class="status-item">
<span class="status-name">当前选择: ${pref.cdn}</span>
<span class="latency">${pref.latency}ms</span>
</div>
`;
}
}
// 重新选择 CDN
async function reselectCDN() {
log('重新选择最佳 CDN...');
if (window.__AITU_CDN_API__) {
const result = await window.__AITU_CDN_API__.reselectCDN();
log(`已选择: ${result.cdn} (${result.latency}ms)`, 'success');
showPreference();
} else {
log('CDN API 未加载', 'error');
}
}
// 清除偏好
function clearPreference() {
if (window.__AITU_CDN_API__) {
window.__AITU_CDN_API__.clearCDNCache();
log('CDN 偏好已清除', 'success');
showPreference();
}
}
// 初始化
window.addEventListener('load', () => {
log('页面加载完成');
// 等待 SW 注册
if ('serviceWorker' in navigator) {
navigator.serviceWorker.ready.then(() => {
log('Service Worker 已就绪', 'success');
refreshStatus();
});
}
// 显示偏好
setTimeout(showPreference, 1000);
});
</script>
</body>
</html>