function servers(server){
    var fs = require('fs');
    var moment = require('moment');    //引入第三方模块
    var url = require('url');
    var student=[
        {name:'陈轩',age:'18',sex:'男',city:'北京',time: moment().format('YYYY-MM-D h:mm:ss')},
        {name:'小白',age:'22',sex:'男',city:'成都',time: moment().format('YYYY-MM-D h:mm:ss')},
        {name:'小花',age:'20',sex:'男',city:'上海',time: moment().format('YYYY-MM-D h:mm:ss')},
        {name:'大白',age:'21',sex:'女',city:'武汉',time: moment().format('YYYY-MM-D h:mm:ss')},
    ];
    server.on('request', function (req, res) {
        //console.log('正在监听用户请求');
    
        var urls = req.url;
    
        //console.log(urls)
    
        if (urls == '/') {
            //说明用户访问的是 localhost:8080
            fs.readFile('./index.html', 'utf-8', function (err, data) {
                if (err) {
                    console.log(err);
                    return;
                }
    
                var html = '';
                student.forEach(function (item) {
                    html += `
                            <tr>
                                <td>${item.name}</td>
                                <td>${item.age}</td>
                                <td>${item.sex}</td>
                                <td>${item.city}</td>
                                <td>${item.time}</td>
                            </tr>`
                })
    
                var str = data.replace('@@', html);
    
                res.writeHead(200, { 'content-type': 'text/html;charset=utf-8' });
                res.end(str)
            })
    
        }
        else if (urls == '/add') {
            //添加页面
            fs.readFile('./add.html', 'utf-8', function (err, data) {
                if (err) {
                    console.log(err);
                    return;
                }
    
                res.writeHead(200, { 'content-type': 'text/html;charset=utf-8' });
                res.end(data)
    
    
            })
        }
        else if (urls.indexOf('/add')==0) {
            if (req.method == 'POST') {
                //用户使用 post提交
    
            } else {
                //用户使用GET提交
                var params = url.parse(req.url, true).query;
                var newtime = moment().format('YYYY-MM-D h:mm:ss');
                var newstu = { name: params.name, age: params.age,  sex: params.sex,city: params.city,time:newtime}
                student.push(newstu);
                res.statusCode = 302;
                res.setHeader('Location', '/')
                res.end();//注意

    
            }
    
        }
    })
}
const hehe="chenxuan";
// 1export.变量名=方法名/属性名
module.exports.servers=servers;
module.exports.name=hehe;

// module.server = servers;  // 简写
// module.name = name 

// 2 一次性导出所有模块
// module.exports = {
//     serves,
//     name:hehe
// }