/**
 * mysql模块，只负责连接数据库，
 */

var client = require('easymysql');
//mysql conn
var conn = null;

var db_conf ={
        'host':'127.0.0.1',
        'user':'root',
        'password':'123456',
        'database':'test'
    };
var link = function(){

    if(conn==null){
        conn = client.create({
            'maxconnections':10,
        });
        conn.addserver(db_conf);

    }else{

    }
    conn.on('error',function(err){
        console.log('mysql error',err);
    });
    return conn;
};

module.exports = link();