// server.js
var http = require("http");
http.createServer(function(request, response) {
response.writeHead(200, {"Content-Type": "text/plain"});
response.write("Hello World");
response.end();
}).listen(8888);
// node server.js
// 打开http://localhost:8888/,你会看到一个写着“Hello World”的网页~
就这么简单,本文 完~
oh,no you too young, too simple
var http = require("http")
createServer
createServer
的参数 这一步我们把server.js变成一个真正的Node.js模块
node index.js
所有请求数据都在 request对象中,数据解析,还需要 url, querystring模块
来,我们试一试找出浏览器的请求路径~
var http = require("http");
var url = require('url')
function start(){
function onRequest(req, res){
var url = url.parse(req.url)
// 打印 url 信息
console.log('server start url', url)
res.writeHead(200, {"content-type": "text/plain"})
res.end()
}
http.createServer(onRequest).listen(8888)
}
exports.start = start
request.url参数打印:
引入路由处理
// server.js
var http = require("http");
var url = require('url')
function start(route){
function onRequest(req, res){
var pathname = url.parse(req.url).pathname
route(pathname)
res.writeHead(200, {"content-type": "text/plain"})
res.end()
}
http.createServer(onRequest).listen(8888)
}
exports.start = start
// route.js
function route(pathname){
console.log('route', pathname)
}
exports.route = route
// index.js 引入route
var server = require('./server')
var router = require('./route')
server.start(router.route)
以上代码我们实现了有路可寻
为了避免多重的 if..else..,我们通过对象传递一系列请求
好啦,用是能用的,就是偶尔会挂 ( ﹁ ﹁ ) ~→
至于node中的并行及如何实现非阻塞,下次我们结合实例来学习~