模拟请求
const express = require('express')
const multer = require('multer')
const app = express()
// 应用中间件
app.use(express.json()) // 解析客户端传递过来的json数据
const formdata = multer()
app.post('/login', formdata.any(), (req, res, next) => {
console.log(req.body)
res.end('login')
})
app.listen(9000, () => {
console.log(`服务器启动成功`)
})