Node.js——搭建http服务器

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//导入包
var http=require("http");

http.createServer(function (request,response) {  //请求  响应
    response.writeHead(200,{"Content-Type":"text/plain"});
    response.write("hello world");
    response.end();
}).listen(8888,"127.0.0.1");    //服务器的端口号  IP地址——默认是127.0.0.1
console.log("服务器已经启动，请访问地址：http://127.0.0.1:8888");