開始 學習使用 node.js 首先完成搭建一個 web服務器。myweb.jsnode
1 var http = require('http'); 2 var url = require('url'); 3 var hostname = '127.0.0.1'; 4 var port = 3000; 5 var bodystr = ""; 6 var server = http.createServer(function(req, res){ 7 res.statusCode = 200; 8 res.setHeader('Content-Type', 'text/plain'); 9 var pathname = url.parse(req.url).pathname; 10 if(pathname === "/"){ 11 bodystr = "Hello World\n"; 12 }else{ 13 bodystr = req.url; 14 } 15 res.end(bodystr); 16 }).listen(port, hostname, function(){ 17 console.log(`Server running at http://${hostname}:${port}/`); 18 });
使用 npm 執行 myweb.js
web
瀏覽器輸入 127.0.0.1:3000npm
輸入 127.0.0.1:3000/Double瀏覽器