node第一个程序

var http = require('http')
var url = require('url')
var fs=require("fs")
var router = require('./router.js');

http.createServer(function(req, res){
    // res.writeHead(200, {'Content_Type': 'text/html; charset=utf-8'})
    if(req.url !== '/favicon.ico') {
        res.setHeader("Access-Control-Allow-Origin", "*");//设置访问代理。
        var pathName = url.parse(req.url).pathname.replace(///, '')
        try {
          router[pathName](req, res);
        } catch(err) {
          router['home'](req, res);
        }
    }
}).listen(8000)

console.log('Server running at http://localhost:8000')