file_upload.js

/*
Connect 3.0 的 connect.multipart() 將被移除，
可使用 multiparty 解決向下相容，方法如下:

1. 安裝multiparty
npm install multiparty

2. 安裝connect-multiparty
npm install connect-multiparty

3. 安裝qs (因 connect-multiparty 需要用到)
npm install qs

4. 建立一個uploads資料夾

By QQBoxy
*/
var express  = require('./node_modules/express'),
	multiparty = require('./node_modules/multiparty'),
	multipart  = require('./node_modules/connect-multiparty'),
	fs         = require('fs');

var multipartMiddleware = multipart();

var app = express();
var port = 1337;
app.listen(port);

app.post('/uploads', multipartMiddleware, function(req, res) {
	fs.readFile(req.files.myfile.path, function (err, data) { //fs讀檔
		var newPath = __dirname + "/uploads/" + req.files.myfile.originalFilename; //指派新路徑
		fs.writeFile(newPath, data, function (err) { //fs寫檔
			console.log(req.files);
			res.send(req.files);
		});
	});
});

app.get('/', function (req, res) {
	res.send( //表單
		'<form action="/uploads" enctype="multipart/form-data" method="post">'+
		'<input type="file" name="myfile" multiple="multiple"><br />'+
		'<input type="submit" value="Upload">'+
		'</form>'
	);
});

console.log("Start express server");