122 lines
3.8 KiB
JavaScript
122 lines
3.8 KiB
JavaScript
const os = require('os');
|
||
const http = require('http');
|
||
|
||
// 获取系统信息
|
||
const getSystemInfo = () => {
|
||
try {
|
||
const totalMem = (os.totalmem() / (1024 ** 3)).toFixed(2) + ' GB';
|
||
const freeMem = (os.freemem() / (1024 ** 3)).toFixed(2) + ' GB';
|
||
const usedMem = ((os.totalmem() - os.freemem()) / (1024 ** 3)).toFixed(2) + ' GB';
|
||
const memUsage = (((os.totalmem() - os.freemem()) / os.totalmem()) * 100).toFixed(2) + '%';
|
||
|
||
const cpus = os.cpus();
|
||
const cpuModel = cpus[0]?.model || 'Unknown';
|
||
const cpuCores = cpus.length;
|
||
|
||
|
||
return {
|
||
hostname: os.hostname(),
|
||
platform: os.platform(),
|
||
arch: os.arch(),
|
||
uptime: (os.uptime() / 3600).toFixed(2) + ' hours',
|
||
|
||
// 内存信息：使用前面计算好的变量
|
||
totalMem, // 总内存大小
|
||
usedMem, // 已使用内存
|
||
freeMem, // 空闲内存
|
||
memUsage, // 内存使用率
|
||
// CPU信息：使用前面计算好的变量
|
||
|
||
cpuModel, // CPU型号
|
||
cpuCores // CPU核心数
|
||
};
|
||
} catch (error) {
|
||
console.error('获取系统信息失败:', error.message);
|
||
return {};
|
||
}
|
||
};
|
||
|
||
// 创建HTTP服务器
|
||
const server = http.createServer((req, res) => {
|
||
if (req.url === '/') {
|
||
const systemInfo = getSystemInfo();
|
||
const html = `
|
||
<!DOCTYPE html>
|
||
<html>
|
||
<head>
|
||
<title>系统信息监控</title>
|
||
<style>
|
||
body {
|
||
font-family: Arial, sans-serif;
|
||
margin: 40px;
|
||
background: #f5f5f5;
|
||
}
|
||
.container {
|
||
max-width: 800px;
|
||
margin: 0 auto;
|
||
background: white;
|
||
padding: 20px;
|
||
border-radius: 10px;
|
||
box-shadow: 0 2px 10px rgba(0,0,0,0.1);
|
||
}
|
||
h1 {
|
||
color: #333;
|
||
text-align: center;
|
||
border-bottom: 2px solid #eee;
|
||
padding-bottom: 10px;
|
||
}
|
||
.info-item {
|
||
margin: 15px 0;
|
||
padding: 10px;
|
||
background: #f9f9f9;
|
||
border-radius: 5px;
|
||
}
|
||
.label {
|
||
font-weight: bold;
|
||
color: #555;
|
||
}
|
||
.memory { border-left: 4px solid #4CAF50; }
|
||
.cpu { border-left: 4px solid #2196F3; }
|
||
.system { border-left: 4px solid #FF9800; }
|
||
</style>
|
||
</head>
|
||
<body>
|
||
<div class="container">
|
||
<h1>🖥️ 系统信息监控</h1>
|
||
|
||
<div class="info-item system">
|
||
<span class="label">主机名:</span> ${systemInfo.hostname || 'N/A'}<br>
|
||
<span class="label">平台:</span> ${systemInfo.platform || 'N/A'}<br>
|
||
<span class="label">架构:</span> ${systemInfo.arch || 'N/A'}<br>
|
||
<span class="label">运行时间:</span> ${systemInfo.uptime || 'N/A'}
|
||
</div>
|
||
|
||
<div class="info-item memory">
|
||
<span class="label">总内存:</span> ${systemInfo.totalMem || 'N/A'}<br>
|
||
<span class="label">已用内存:</span> ${systemInfo.usedMem || 'N/A'}<br>
|
||
<span class="label">空闲内存:</span> ${systemInfo.freeMem || 'N/A'}<br>
|
||
<span class="label">内存使用率:</span> ${systemInfo.memUsage || 'N/A'}
|
||
</div>
|
||
|
||
<div class="info-item cpu">
|
||
<span class="label">CPU型号:</span> ${systemInfo.cpuModel || 'N/A'}<br>
|
||
<span class="label">CPU核心数:</span> ${systemInfo.cpuCores || 'N/A'}
|
||
</div>
|
||
</div>
|
||
</body>
|
||
</html>
|
||
`;
|
||
|
||
res.writeHead(200, { 'Content-Type': 'text/html; charset=utf-8' });
|
||
res.end(html);
|
||
} else {
|
||
res.writeHead(404, { 'Content-Type': 'text/plain' });
|
||
res.end('页面未找到');
|
||
}
|
||
});
|
||
|
||
// 启动服务器
|
||
const PORT = 3000;
|
||
server.listen(PORT, () => {
|
||
console.log(`🚀 服务器运行在 http://localhost:${PORT}`);
|
||
}); |