Express + Multer
Node.js 上传文件 demo，基于 Express 和 Multer 。
app.js
let express = require('express')let multer = require('multer')let app = express()app.use(express.static(__dirname));let storage = multer.diskStorage({ ?destination: function (req, file, cb) { ???cb(null, 'upload/') ?}, ?filename: function (req, file, cb) { ???cb(null, Date.now() + '-' + file.originalname); ?}});let upload = multer({storage: storage});app.post('/upload', function (req, res, next) { ?upload.single('file')(req, res, function (err) { ???if (err) { ?????console.log('error', err); ?????return; ???} ???res.send(JSON.stringify(req.file)); ???console.log(req.file); ?});});app.set('port', process.env.PORT || 9009);app.listen(app.get('port'), function () { ?console.log('http://localhost:' + app.get('port'));});index.html
<!DOCTYPE html><html lang="zh-CN"><head> ?<meta charset="utf-8"> ?<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> ?<meta name="renderer" content="webkit"> ?<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no"> ?<meta name="format-detection" content="telephone=no"> ?<title>Node.js upload</title> ?<meta name="description" content=""></head><body> ?<form id="upload" method="POST" action="/upload" enctype="multipart/form-data"> ???<p> ?????<label for="file">File:</label> ?????<input type="file" name="file" required/> ???</p> ???<p> ?????<input type="submit" name="submit" value="Submit" /> ???</p> ?</form> ?<script src="http://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script> ?<script> ???$(function () { ?????$('#upload').on('submit', function (e) { ???????e.preventDefault(); ???????var formData = new FormData(this); ???????$.ajax({ ?????????type: 'POST', ?????????url: '/upload', ?????????data: formData, ?????????contentType: false, ?????????processData: false ???????}).done(function () { ?????????alert('Done'); ?????????console.log('done'); ???????}).fail(function (err) { ?????????console.log(err); ???????}) ?????}); ???}); ?</script></body></html>Repo
https://github.com/givebest/node-upload
Use
npm installnode app