NEMT是什么?

const express = require(`express`)
const router = express.Router()
const user = require('../model/User')
const Advertisement = require('../model/Advertisement')
//封装
const ADDROUTER = require('../utils/autoCURD')
//三个参数 挂载路由 ， 表名 ， 表Model
ADDROUTER(router, 'user', user)
ADDROUTER(router, 'Advertisement', Advertisement)

module.exports = router

const router = require(`express`).Router()
const multer = require('multer')
const adveArtisement = require('../model/Advertisement')
const fs = require('fs')

const storage = multer.diskStorage({
  destination: './public/advertisements',

  filename: function (req, file, cb) {
    console.log(file)
    let extname = file.mimetype.split('/')[1]
    let imgname =
      Date.now() +
      parseInt(Math.random() * 999) +
      parseInt(Math.random() * 2222)
    let keepname = imgname + '广告图片' + '.' + extname
    cb(null, keepname)
  },
})

const upload = multer({
  storage,
})
router.post('/api/v1/uploadimg', upload.single('file'), async (req, res) => {
  console.log(req.body.datas)
  console.log('bodyssssss')
  const datas = JSON.parse(req.body.datas)
  datas.Adimg = req.file.filename
  adveArtisement.create(datas, function (err, doc) {
    console.log('doc', doc)
    if (err) return next(err)
    res.jsonp({
      code: 200,
      data: doc,
    })
  })
})
module.exports = router

const mongoose = require('mongoose')
const bcypt = require('../utils/encrypt')
const userSchema = new mongoose.Schema({
  user: { type: String, required: true, unique: true },
  pwd: { type: String, required: true, set: value => bcypt(value) }, // 密码加密
  email: String,
  phone: String,
  isaAdmin: { type: Boolean, default: true },
  createtime: { type: Date, default: new Date() }, //创建时间
})

   const re = await User.findOne({ user: user.user })
    if (!re) return res.status(400).send({ code: 400, msg: '用户不存在' })

    // 异步密码比较
    bcrypt.compare(user.pwd, re.pwd).then(valid => {
      if (!valid) return res.status(400).send({ code: 400, msg: '密码错误' })

      const token = jwt.sign({ user }, secret, { expiresIn: '2h' })
      res.json({
        code: 200,
        token,
        msg: '登录成功',
      })
    })