编辑代码

const os = require('os');

var dealTime = (seconds) => {
    var seconds = seconds | 0;
    var day = (seconds / (3600 * 24)) | 0;
    var hours = ((seconds - day * 3600) / 3600) | 0;
    var minutes = ((seconds - day * 3600 * 24 - hours * 3600) / 60) | 0;
    var second = seconds % 60;
    (day < 10) && (day = '0' + day);
    (hours < 10) && (hours = '0' + hours);
    (minutes < 10) && (minutes = '0' + minutes);
    (second < 10) && (second = '0' + second);
    return [day, hours, minutes, second].join(':');
};

var dealMem = (mem) => {
    var G = 0,
        M = 0,
        KB = 0;
    (mem > (1 << 30)) && (G = (mem / (1 << 30)).toFixed(2));
    (mem > (1 << 20)) && (mem > (1 << 10)) && (mem > (1 << 20)) && (KB = (mem / (1 << 10)).toFixed(2));
    return G > 0 ? G + 'G' : M > 0 ? M + 'M' : KB > 0 ? KB + 'KB' : mem + 'B';

};

//cpu架构

const arch = os.arch();
console.log("cpu架构：" + arch);
//操作系统内核
const kernel = os.type();
console.log("操作系统内核：" + kernel);

//操作系统平台
const pf = os.platform();
console.log("平台：" + pf);

//系统开机时间
const uptime = os.uptime();
console.log("开机时间：" + dealTime(uptime));

//主机名
const hn = os.hostname();
console.log("主机名：" + hn);

//主目录
const hdir = os.homedir();
console.log("主目录：" + hdir);

//内存

const totalMem = os.totalmem();
const freeMem = os.freemem();
console.log("内存大小：" + dealMem(totalMem) + ' 空闲内存：' + dealMem(freeMem));

//cpu
const cpus = os.cpus();
console.log('*****cpu信息*******');
cpus.forEach((cpu, idx, arr) => {
    var times = cpu.times;
    console.log(`cpu${idx}：`);
    console.log(`型号：${cpu.model}`);
    console.log(`频率：${cpu.speed}MHz`);
    console.log(`使用率：${((1 - times.idle / (times.idle + times.user + times.nice + times.sys + times.irq)) * 100).toFixed(2)}%`);

});

//网卡

console.log('*****网卡信息*******');
const networksObj = os.networkInterfaces();
for (let nw in networksObj) {
    let objArr = networksObj[nw];
    console.log(`\r\n${nw}：`);
    objArr.forEach((obj, idx, arr) => {
        console.log(`地址：${obj.address}`);
        console.log(`掩码：${obj.netmask}`);
        console.log(`物理地址：${obj.mac}`);
        console.log(`协议族：${obj.family}`);
    });
}