HelloNode

新建HelloNode.js文件，输入：

var http = require("http");
http.createServer(function(request, response){
response.writeHead(200, {"Content-Type": "text/plain"});
response.end("hello node.js");
}).listen(3000);
console.log('http://127.0.0.1:3000/');

保存后，进入命令行窗口，执行：node HelloNode.js