node.js learning example 1 (阻塞)

来源：互联网发布：如何在淘宝上编辑：程序博客网时间：2024/05/01 22:00

1.index.js

var server = require("./server");var router = require("./router");var requestHandlers = require("./requestHandlers");var handle = {}handle["/"] = requestHandlers.begin;handle["/begin"] = requestHandlers.begin;handle["/end"] = requestHandlers.end;server.start(router.route, handle);

2.server.js

var http = require("http");var url = require("url");function start(route,handle){function onRequest(request,response){console.log("-----------begin-------------");var pathname = url.parse(request.url).pathname;console.log("pathname-----------"+pathname);var content = route(handle, pathname);response.writeHead(200,{"content-type":"text/plain"});console.log(content);response.write(content);response.end();console.log("-----------end-------------");}http.createServer(onRequest).listen(8889);console.log("Server is starting...");}exports.start = start;

3.router.js

function route(handle, pathname){console.log("Route the request---------"+pathname);if(typeof handle[pathname] === 'function'){return handle[pathname]();}else{console.log("no request handler found for" + pathname);return "404 Not Found!";}}exports.route = route;

4.requestHandlers.js

function begin(){console.log("handle the 'begin' call!");return "begin!";}function end(){console.log("handle the 'end' call!");return "end!";}exports.begin = begin;exports.end = end;

5. run -- node index.js