Simple File Upload with Express

server.js

var express = require('express'),
    busboy  = require('connect-busboy'),
    app     = express(),
    fs      = require('fs'),
    router  = express.Router();

router.get('/', function(req, res) {
  res.send('<form action="" method="post" enctype="multipart/form-data"><input type="file" name="displayImage"><input type="submit" name="Upload"></form>');
});

router.post('/', function(req, res) {
  req.busboy.on('file', function(fieldName, file, filename) {
    console.log(fieldName, file, filename);
    file.on('data', function(data) {
      var newPath = __dirname + "/" + filename;
      fs.writeFile(newPath, data, function (err) {
        if (err) throw err;
        res.redirect("back");
      });
    });
    res.send('done');
  });
  req.pipe(req.busboy);
});

app.use(busboy());

app.use('/', router);

app.listen(8080);