alias('c') ->join('ls_retail_goods as g on c.' . self::GOODS_ID . '=g.id') ->field($field) ->where($map) ->order($order) ->page(intval($page),intval($limit)) ->select(); }else{ $data = $this->alias('c') ->join('ls_retail_goods as g on c.' . self::GOODS_ID . '=g.id') ->field($field) ->where($map) ->order($order) ->select(); } return $data; } }