<?php

namespace app\channel\service;
use app\core\Service;
class ProductMappingService extends Service
{
    public $table="channel_product_mappingid";
    public function getMapping($mappingname,$cid=2,$field=""){
        if(!$mappingname)return array('code'=>0,'msg'=>'产品名不能为空');
        $where=array();
        if($cid)array_push($where,['cid','=',$cid]);
        if($mappingname)array_push($where,['name','=',$mappingname]);
        $fields=$field?explode(",",$field):"*";
        $data = $this->db()->where($where)->field($fields)->find();
        return $data;
    }
}