70 lines
1.7 KiB
TypeScript
70 lines
1.7 KiB
TypeScript
import os from 'os';
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export default defineEventHandler(async (event) => {
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try {
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// 获取CPU信息
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const cpuUsage = getCpuUsage();
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// 获取内存信息
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const totalMemory = os.totalmem();
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const freeMemory = os.freemem();
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const memoryUsage = {
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total: formatBytes(totalMemory),
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free: formatBytes(freeMemory),
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used: formatBytes(totalMemory - freeMemory),
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percent: Math.round(((totalMemory - freeMemory) / totalMemory) * 100)
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};
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return {
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success: true,
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data: {
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cpu: {
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usage: cpuUsage
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},
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memory: memoryUsage
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}
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};
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} catch (error) {
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console.error('Error fetching performance info:', error);
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return {
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success: false,
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message: '获取性能数据失败'
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};
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}
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});
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// 格式化字节数为可读格式
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function formatBytes(bytes: number) {
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if (bytes === 0) return '0 Bytes';
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const k = 1024;
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const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB'];
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const i = Math.floor(Math.log(bytes) / Math.log(k));
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return parseFloat((bytes / Math.pow(k, i)).toFixed(2)) + ' ' + sizes[i];
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}
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// 获取CPU使用率
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function getCpuUsage() {
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try {
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const cpus = os.cpus();
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let totalIdle = 0;
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let totalTick = 0;
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cpus.forEach(cpu => {
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for (const type in cpu.times) {
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totalTick += cpu.times[type as keyof typeof cpu.times];
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}
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totalIdle += cpu.times.idle;
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});
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const idle = totalIdle / cpus.length;
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const total = totalTick / cpus.length;
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const usagePercent = Math.round(100 - (idle / total * 100));
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return usagePercent;
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} catch (error) {
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console.error('Error calculating CPU usage:', error);
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return 0;
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}
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}
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