修复端口状态检测问题

- 改进状态检测算法,使用多种方法组合
- 添加调试工具 check-status.html
- 处理CORS限制问题
- 使用script、image和XMLHttpRequest多种检测方式
This commit is contained in:
KQL
2025-09-24 15:12:21 +08:00
parent 0780353493
commit 50557b9230
2 changed files with 336 additions and 15 deletions

248
check-status.html Normal file
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@@ -0,0 +1,248 @@
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>产业状态检查 - 调试版</title>
<style>
body {
font-family: 'Microsoft YaHei', sans-serif;
padding: 20px;
background: #f5f5f5;
}
.container {
max-width: 800px;
margin: 0 auto;
background: white;
padding: 30px;
border-radius: 10px;
box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
h1 {
color: #333;
border-bottom: 2px solid #667eea;
padding-bottom: 10px;
}
.status-list {
margin-top: 20px;
}
.status-item {
display: flex;
justify-content: space-between;
align-items: center;
padding: 15px;
margin-bottom: 10px;
background: #f9f9f9;
border-radius: 8px;
border-left: 4px solid #ddd;
}
.status-item.running {
border-left-color: #4caf50;
background: #f1f8e9;
}
.status-item.stopped {
border-left-color: #f44336;
background: #ffebee;
}
.status-item.checking {
border-left-color: #2196f3;
background: #e3f2fd;
}
.port-info {
font-weight: bold;
color: #333;
}
.status-text {
padding: 5px 15px;
border-radius: 15px;
font-size: 14px;
font-weight: 500;
}
.status-text.running {
background: #4caf50;
color: white;
}
.status-text.stopped {
background: #f44336;
color: white;
}
.status-text.checking {
background: #2196f3;
color: white;
}
.refresh-btn {
background: #667eea;
color: white;
border: none;
padding: 10px 20px;
border-radius: 5px;
cursor: pointer;
font-size: 16px;
margin-top: 20px;
}
.refresh-btn:hover {
background: #5569d0;
}
.log-area {
margin-top: 20px;
padding: 15px;
background: #f5f5f5;
border-radius: 5px;
font-family: monospace;
font-size: 12px;
max-height: 200px;
overflow-y: auto;
}
</style>
</head>
<body>
<div class="container">
<h1>🔍 产业状态检查工具</h1>
<div class="status-list" id="statusList"></div>
<button class="refresh-btn" onclick="checkAllPorts()">刷新状态</button>
<div class="log-area" id="logArea">
<strong>检查日志:</strong><br>
</div>
</div>
<script>
const industries = [
{ name: '文旅产业', port: 5150 },
{ name: '智能制造', port: 5151 },
{ name: '智能开发', port: 5152 },
{ name: '财经商贸', port: 5153 },
{ name: '视觉设计', port: 5154 },
{ name: '交通物流', port: 5155 },
{ name: '大健康', port: 5156 },
{ name: '土木水利', port: 5157 },
{ name: '食品产业', port: 5158 },
{ name: '化工产业', port: 5159 },
{ name: '能源产业', port: 5160 },
{ name: '环保产业', port: 5161 }
];
function addLog(message) {
const logArea = document.getElementById('logArea');
const time = new Date().toLocaleTimeString();
logArea.innerHTML += `[${time}] ${message}<br>`;
logArea.scrollTop = logArea.scrollHeight;
}
function initStatusList() {
const statusList = document.getElementById('statusList');
statusList.innerHTML = industries.map(industry => `
<div class="status-item checking" id="item-${industry.port}">
<div>
<span class="port-info">${industry.name}</span>
<span style="color: #666; margin-left: 10px;">端口: ${industry.port}</span>
</div>
<span class="status-text checking" id="status-${industry.port}">检查中...</span>
</div>
`).join('');
}
async function checkPort(port, name) {
const itemEl = document.getElementById(`item-${port}`);
const statusEl = document.getElementById(`status-${port}`);
addLog(`正在检查 ${name} (端口 ${port})...`);
// 方法1: 使用 fetch 尝试访问
try {
const controller = new AbortController();
const timeoutId = setTimeout(() => controller.abort(), 3000);
await fetch(`http://localhost:${port}`, {
mode: 'no-cors',
signal: controller.signal,
cache: 'no-cache'
});
clearTimeout(timeoutId);
// 方法2: 使用 Image 对象作为备用检查
return new Promise((resolve) => {
const img = new Image();
const timeout = setTimeout(() => {
addLog(`${name} - 超时,判定为已停止`);
itemEl.className = 'status-item stopped';
statusEl.className = 'status-text stopped';
statusEl.textContent = '已停止';
resolve(false);
}, 2000);
img.onload = () => {
clearTimeout(timeout);
addLog(`${name} - ✅ 运行中`);
itemEl.className = 'status-item running';
statusEl.className = 'status-text running';
statusEl.textContent = '运行中';
resolve(true);
};
img.onerror = () => {
clearTimeout(timeout);
// 方法3: 创建 iframe 测试
const iframe = document.createElement('iframe');
iframe.style.display = 'none';
iframe.src = `http://localhost:${port}`;
const iframeTimeout = setTimeout(() => {
document.body.removeChild(iframe);
addLog(`${name} - 无法连接,可能已停止`);
itemEl.className = 'status-item stopped';
statusEl.className = 'status-text stopped';
statusEl.textContent = '已停止';
resolve(false);
}, 1000);
iframe.onload = () => {
clearTimeout(iframeTimeout);
document.body.removeChild(iframe);
addLog(`${name} - ✅ 运行中通过iframe检测`);
itemEl.className = 'status-item running';
statusEl.className = 'status-text running';
statusEl.textContent = '运行中';
resolve(true);
};
document.body.appendChild(iframe);
};
// 添加时间戳避免缓存
img.src = `http://localhost:${port}/favicon.ico?t=${Date.now()}`;
});
} catch (error) {
addLog(`${name} - 错误: ${error.message}`);
itemEl.className = 'status-item stopped';
statusEl.className = 'status-text stopped';
statusEl.textContent = '已停止';
return false;
}
}
async function checkAllPorts() {
addLog('========== 开始检查所有端口 ==========');
initStatusList();
for (const industry of industries) {
await checkPort(industry.port, industry.name);
// 添加小延迟避免并发过多
await new Promise(resolve => setTimeout(resolve, 100));
}
addLog('========== 检查完成 ==========');
}
// 页面加载时自动检查
window.onload = () => {
checkAllPorts();
};
</script>
</body>
</html>

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@@ -501,25 +501,98 @@
// 检查单个产业状态
async function checkStatus(port) {
const statusEl = document.getElementById(`status-${port}`);
// 使用多种方法检测端口状态
try {
// 尝试访问端口
const response = await fetch(`http://localhost:${port}`, {
mode: 'no-cors',
cache: 'no-cache'
});
// 方法1: 创建一个script标签来测试
const testScript = document.createElement('script');
testScript.src = `http://localhost:${port}/vite.svg?t=${Date.now()}`;
testScript.onerror = () => {
// 方法2: 使用Image对象检测
const img = new Image();
let isResolved = false;
// 使用图片加载来检测
const img = new Image();
img.src = `http://localhost:${port}/favicon.ico?t=${Date.now()}`;
const checkTimeout = setTimeout(() => {
if (!isResolved) {
isResolved = true;
statusEl.className = 'status status-stopped';
statusEl.innerHTML = '<span class="status-dot"></span> 已停止';
}
}, 2000);
await new Promise((resolve, reject) => {
img.onload = resolve;
img.onerror = reject;
setTimeout(reject, 2000);
});
img.onload = () => {
if (!isResolved) {
isResolved = true;
clearTimeout(checkTimeout);
statusEl.className = 'status status-running';
statusEl.innerHTML = '<span class="status-dot"></span> 运行中';
}
};
img.onerror = () => {
// 方法3: 尝试使用XMLHttpRequest
const xhr = new XMLHttpRequest();
xhr.open('HEAD', `http://localhost:${port}/`, true);
xhr.timeout = 2000;
xhr.onreadystatechange = function() {
if (!isResolved && xhr.readyState === 4) {
isResolved = true;
clearTimeout(checkTimeout);
// 即使有CORS错误如果收到响应就说明服务在运行
if (xhr.status === 0 || xhr.status === 200) {
// status为0通常表示CORS阻止但服务器确实响应了
statusEl.className = 'status status-running';
statusEl.innerHTML = '<span class="status-dot"></span> 运行中';
} else {
statusEl.className = 'status status-stopped';
statusEl.innerHTML = '<span class="status-dot"></span> 已停止';
}
}
};
xhr.onerror = function() {
if (!isResolved) {
isResolved = true;
clearTimeout(checkTimeout);
// 网络错误通常意味着服务未运行
statusEl.className = 'status status-stopped';
statusEl.innerHTML = '<span class="status-dot"></span> 已停止';
}
};
try {
xhr.send();
} catch(e) {
// 发送失败但这可能是因为CORS
if (!isResolved) {
isResolved = true;
clearTimeout(checkTimeout);
statusEl.className = 'status status-running';
statusEl.innerHTML = '<span class="status-dot"></span> 运行中';
}
}
};
// 尝试加载各种可能的静态资源
const possiblePaths = [
'/favicon.ico',
'/vite.svg',
'/index.html',
'/assets/index.css'
];
img.src = `http://localhost:${port}${possiblePaths[0]}?t=${Date.now()}`;
};
testScript.onload = () => {
statusEl.className = 'status status-running';
statusEl.innerHTML = '<span class="status-dot"></span> 运行中';
};
document.head.appendChild(testScript);
setTimeout(() => document.head.removeChild(testScript), 100);
statusEl.className = 'status status-running';
statusEl.innerHTML = '<span class="status-dot"></span> 运行中';
} catch (error) {
statusEl.className = 'status status-stopped';
statusEl.innerHTML = '<span class="status-dot"></span> 已停止';