NodeJS Express4 File Upload
Use Multer
For Express3, NodeJS Express3 File Upload(this is not multer) It is easy to implement by myself for Express3.
Sample
This is a sample of multer file upload with Express4
app.js
var express = require('express'); var path = require('path'); var favicon = require('serve-favicon'); var logger = require('morgan'); var cookieParser = require('cookie-parser'); var bodyParser = require('body-parser'); var http = require('http'); //var routes = require('./routes/index'); var multer = require('multer'); var done = false; var app = express(); // view engine setup app.set('views', path.join(__dirname, 'views')); app.set('view engine', 'jade'); // uncomment after placing your favicon in /public //app.use(favicon(__dirname + '/public/favicon.ico')); app.use(logger('dev')); app.use(bodyParser.json()); app.use(bodyParser.urlencoded({ extended: false })); app.use(cookieParser()); app.use(express.static(path.join(__dirname, 'public'))); // multer app.use(multer({ dest: './uploads/', rename: function (fieldname, filename) { return filename+Date.now(); }, onFileUploadStart: function (file) { console.log(file.originalname + ' is starting ...') }, onFileUploadComplete: function (file) { console.log(file.fieldname + ' uploaded to ' + file.path) done=true; } })); //app.use('/', routes); Disable default routing // routes var router = express.Router(); router.use(function(req, res, next) { // log each request to the console console.log(req.method, req.url); // continue doing what we were doing and go to the route next(); }); router.get('/', function(req, res) { res.render('index', { title: 'Express' }); }); router.post('/upload', function(req, res){ console.log(req.files); res.end("File uploaded"); }); app.use('/', router); // catch 404 and forward to error handler app.use(function(req, res, next) { var err = new Error('Not Found'); err.status = 404; next(err); }); // error handlers // development error handler // will print stacktrace if (app.get('env') === 'development') { app.use(function(err, req, res, next) { res.status(err.status || 500); res.render('error', { message: err.message, error: err }); }); } // production error handler // no stacktraces leaked to user app.use(function(err, req, res, next) { res.status(err.status || 500); res.render('error', { message: err.message, error: {} }); }); module.exports = app; app.set('port', 3000); http.createServer(app).listen(app.get('port'), function(){ console.log('Express server listening on port ' + app.get('port')); });
index.jade
extends layout block content h1= title p File Upload form(method="post", enctype="multipart/form-data", action="/upload") input(type="file", name="fileupload") input(type="submit")