node.js写的小插件

服务器   ....

//引入http模块
var http = require("http");
//设置主机名
var hostName = '127.0.0.1';
//设置端口
var port = 80;
//创建服务
var server = http.createServer(function(req,res){
    res.setHeader('Content-Type','text/plain;charset=utf-8');
    res.setHeader('Access-Control-Allow-Origin',"*")
    res.setHeader("Access-Control-Allow-Headers","utf-8", "Origin, X-Requested-With, Content-Type, Accept");
    res.end("你好 世界");

});
server.listen(port,hostName,function(){
    console.log(`服务器运行在http://${hostName}:${port}`);
});