1.基础实例

//server.js
var http = require("http");
var url = require("url");
var router = require("./router");
http.createServer(function(req, res){

res.writeHead(200, {'Content-Type':'text/html;charset=utf-8'});
if(req.url!=="/favicon.ico"){

var pathname = url.parse(req.url).pathname;
pathname = pathname.replace(/\//,'');
console.log(pathname);
router[pathname](req,res);
res.end();
}

}).listen(8000);
console.log('Server running at http://127.0.0.1:8000/');

//router.js
module.exports = {
login:function(req, res){
res.write("login");
},
register:function(request, response){
res.write("register");
}
}