hasOne(Customer::class,'id','customer_id'); } //获取客户规格 public static function getBoxId(int $customer_id, int $type_id, int $spec_id): object { return self::alias('a') ->leftjoin('stock_config b', 'a.box_id = b.id') ->leftjoin('stock_config c', 'a.type_id = c.id') ->where('a.customer_id', $customer_id)->where('a.type_id', $type_id)->where('a.product_id', $spec_id) ->field('a.price,b.id,b.title as box_name,c.title as variety_name') ->findOrEmpty(); } }