用Dreamweaver写的，浏览器显示127.0.0.1拒绝了我们的连接，求大神指教
var http=require('http');
http.createServer(function(req,res){
res.writeHead(200,{'Content-Type':'text/plain'});
res.end('Hello World\n');
}).listen(1337,'127.0.0.1');
console.log('Server running at http://127.0.0.1:1337/');
