var http = require("http");var url = require("url");function start(route){//route.js 的route方法  //服务实现  function onRequest(request,response){    var pathname = url.parse(request.url.).pathname;    route(pathname); //        response.writeHead(200,{"Content-Type":"text/plain"});    response.write("只是一个练手罢了");    response.end();  }  //创建服务  http.createServer(onRequest).listen(8888);//端口号8888  console.log("服务启动");//后台输出,表示服务启动成功}exports.start = start; //将start方法暴露出去

function route(pathname){  console.log("请求路径是：" + pathname); //后台查看请求路劲  区分请求的地址}exports.route = route;

var server = require("./server");var router = require("./route");server.start(router.route);//传递給start的是router的route方法