 
 
- is
// 
// 
let getOrder=(userId,orderType)=>{
  let _sql=`select remark,goodsNumber,orderlist.goodsSize,goods.goodsName, goods.goodsImgArr from orderlist ,goods where userId="${userId}" and orderType="${orderType} and  goods.goodsId =  orderlist.goodsId ";`
  return query(_sql,[]);
}2.query method
/*query */
let query=(sql,values)=>{
    return new Promise((resolve,reject)=>{
        pool.getConnection((err,connection)=>{
            if(err){
                  reject(err);
              }else{
              
                  connection.query(sql,values,(err,rows)=>{
                       //  
                    connection.release();  
                       if(err){
                           reject(err);
                       }else{
                           resolve(rows);
                       }
                  });
             };
        });
    });
}