1、下载node for mac并一路默认安装
2、测试成功否
3、copy this file to test（save as javascript file）
var http = require('http');
http.createServer(function(request,response){
response.writeHead(200,{'Content-Type':'text/plain'});
response.end('hello world\n');
}).listen(8888);
console.log('Server running at http://127.0.0.1:8888/');
cd到正确路径下
打开浏览器，出现输入地址和端口号
yeah you succeed！