单文件上传

  1. <!--add.ejs-->
  2. <form action="/admin/nav/doAdd" method="post" enctype="multipart/form-data">
  3.     标题：<input type="text" name="title" id="title"><br><br>
  4.     图片：<input type="file" name="pic" id="pic"><br><br>
  5.     描述：<textarea name="desc" id="desc" cols="30" rows="10"></textarea><br><br>
  6.     <input type="submit" value="提交">
  7. </form>
  1. // nav.js文件中
  2. const express = require('express')
  3. const tools = require('../../model/tools')
  5. router.post('/doAdd', tools.multer().single('pic'), (req, res) => {
  6.     // 获取表单传过来的数据
  7.     res.send({
  8.         body: req.body,
  9.         file: req.file
  10.     })
  11. })
  1. // tools.js工具
  2. const multer = require('multer')
  3. const path = require('path')
  4. const sd = require('silly-datetime')
  5. const mkdirp = require('mkdirp')
  7. let tools = {
  8.     /* 封装图片上传 */
  9.     multer() {
  10.         var storage = multer.diskStorage({
  11.             // 配置上传的目录
  12.             destination: async (req, file, cb) => {
  13.                 // 1. 获取当前日期 20200703
  14.                 let day = sd.format(new Date(), 'YYYYMMDD')
  15.                 // static/upload/20200703
  16.                 let dir = path.join('static/upload', day)
  18.                 // 2. 按照日期生成图片存储目录
  19.                 await mkdirp(dir)  // mkdirp是一个异步方法
  21.                 cb(null, dir)
  22.             },
  23.             // 修改上传后的文件名
  24.             filename: function (req, file, cb) {
  25.                 // 获取上传文件的后缀名
  26.                 let extname = path.extname(file.originalname)
  27.                 cb(null, Date.now() + extname)
  28.             }
  29.         })
  30.         var upload = multer({ storage: storage })
  31.         return upload
  32.     },
  33.     md5() { }
  34. }
  36. module.exports = tools

多文件上传

  1. // user.js多文件上传
  2. const express = require('express')
  3. const tools = require('../../model/tools')
  5. var router = express.Router()
  7. router.get('/', (req, res) => {
  8.     res.send('用户列表')
  9. })
  10. router.get('/add', (req, res) => {
  11.     res.render('admin/user/add')
  12. })
  14. // 多文件上传
  15. let cpUpload = tools.multer().fields([{ name: 'pic1', maxCount: 1 }, { name: 'pic2', maxCount: 1 }])
  17. router.post('/doAdd', cpUpload, (req, res) => {
  18.     res.send({
  19.         body: req.body,
  20.         files: req.files
  21.     })
  22. })
  24. module.exports = router