var http = require(‘http‘);var mysql      = require(‘mysql‘);var connection = mysql.createConnection({    host     : ‘rm-bp1w72suk8pc5h6mk.mysql.rds.aliyuncs.com‘,    user     : ‘r85u40z94p‘,    password : ‘Mafeng11‘,    database: ‘r85u40z94p‘});//开始你的mysql连接connection.connect();var server = http.createServer(function (req, res) {    //如果你发一个GET到http://127.0.0.1:9000/test    var url_info = require(‘url‘).parse(req.url, true);    //检查是不是给/test的request    if(url_info.pathname === ‘/test‘){        res.writeHead(200, {‘Content-Type‘: ‘text/plain‘});                        connection.query(‘SELECT * FROM `r85u40z94p`.`user`  order by rand()  LIMIT 5‘,function(err,rows,fields){                    //处理你的结果                   // res.end(rows.constructor);                    // 输出结果                    res.end(JSON.stringify(rows));                    console.log(rows.constructor);                    console.log(typeof(rows));                    res.end(rows.join);                    console.log(err);                    console.log(fields);                });    }    //这个是用来回复上面那个post的，显示post的数据以表示成功了。你要是有别的目标，自然不需要这一段。    else{        req.pipe(res);    }});server.listen(9000, ‘127.0.0.1‘);//在server关闭的时候也关闭mysql连接server.on(‘close‘,function(){    connection.end();});console.log(‘listening on port  9000‘);