@

 //数据 ./mock/data.json
[{"name": "zhangsan", "password": 123456}]

 //mock 代码
const Mock = require('mockjs');
const fs = require('fs');
let data = Mock.mock({
    'list|1-10': [{
        "user": "@cname"
    }]
})
console.log(data.list);
fs.writeFileSync('data.json', JSON.stringify(data.list))

//public文件夹 里面有CSS JS 
//js代码
axios.post('/api/getData').then(({ data }) => {
    document.body.innerHTML = data.map(item => {
        return `<p>${item.user}</p>`
    }).join('');
})
//html 2个链接代码
    <script src="./js/axios.js"></script>
    <script src="./js/index.js"></script>

    //app。js代码


const express = require('express');
const app = express();

app.listen(8000, () => {
    console.log('服务器已启动');
})
app.use(express.static('public'));
app.use(express.json());
app.post('/api/getData', (req, res) => {
    let data = require('./mock/data.json');
    res.send(data)
})

//下载express axios mack