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  • node js 实现文件上传与反显

    1. 文件上传:

      

    const express = require('express')
    const multer = require("multer");
    const router = express.Router()
    
    const storage = multer.diskStorage({
      // 设置保存文件的路径
      destination: function (req, file, cd) {
        cd(null, './public/images')
      },
      // 设置图片名称
      filename: function (req, file, cd) {
        cd(null, `${Date.now()}-${file.originalname}`)
      }
    })
    const upload = multer({
      storage: storage
    })
    
    router.post('/file', upload.single('file'), (req, res, next) => {
      let url = `/api/public/images/${req.file.filename}`
      if (!req.file) {
        return res.json({
          code: 1,
          message: '上传失败'
        })
      } else {
        return res.json({
          code: 200,
          message: '上传成功',
          url: url
        })
      }
    })
    
    module.exports = router

    2. 反显

    const express = require('express');
    const getImage = express();
    const path = require('path')
    getImage.get('/public/images/*', (req, res) => {
      res.sendFile(path.resolve(__dirname, '..') + "/" + req.url);
      // res.send()
    })
    
    module.exports = getImage
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  • 原文地址:https://www.cnblogs.com/SuperBrother/p/14057652.html
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