node.js upload file 上传文件
var http = require('http'),formidable = require('formidable'),fs = require('fs') , sys = require('sys');http.createServer(function (req, res) { // set up some routes switch(req.url) { case '/': // show the user a simple form console.log("[200] " + req.method + " to " + req.url); res.writeHead(200, "OK", {'Content-Type': 'text/html'}); res.write('<html><head><title>Hello Noder!</title></head><body>'); res.write('<h1>Welcome Noder, who are you?</h1>'); res.write('<form enctype="multipart/form-data" action="/formhandler" method="post">'); res.write('Name: <input type="text" name="username" value="John Doe" /><br />'); res.write('Age: <input type="text" name="userage" value="99" /><br />'); res.write('File :<input type="file" name="upload" multiple="multiple"><br>'); res.write('<input type="submit" />'); res.write('</form></body></html'); res.end(); break; case '/formhandler': if (req.method == 'POST') { console.log("[200] " + req.method + " to " + req.url); req.on('data', function(chunk) { console.log("Received body data:"); // console.log(chunk.toString()); }); var form = new formidable.IncomingForm(); form.parse(req, function(err,fields, files) { console.log('in if condition'+sys.inspect({fields: fields, files: files})); fs.writeFile(files.upload.name, files.upload,'utf8', function (err) { if (err) throw err; console.log('It\'s saved!'); }); res.writeHead(200, {'content-type': 'text/plain'}); res.write('received upload:\n\n'); res.end(); }); req.on('end', function() { // empty 200 OK response for now res.writeHead(200, "OK", {'Content-Type': 'text/html'}); res.end(); }); } else { console.log("[405] " + req.method + " to " + req.url); res.writeHead(405, "Method not supported", {'Content-Type': 'text/html'}); res.end('<html><head><title>405 - Method not supported</title></head><body><h1>Method not supported.</h1></body></html>'); } break; default: res.writeHead(404, "Not found", {'Content-Type': 'text/html'}); res.end('<html><head><title>404 - Not found</title></head><body><h1>Not found.</h1></body></html>'); console.log("[404] " + req.method + " to " + req.url); };}).listen(8081)