// +---------------------------------------------------------------------- namespace app\common\dao\store\product; use app\common\dao\BaseDao; use app\common\model\store\product\ProductContent as model; class ProductContentDao extends BaseDao { protected function getModel(): string { return model::class; } /** * @Author:Qinii * @Date: 2020/5/9 * @param int $productId * @return mixed */ public function clearAttr(int $productId, ?int $type) { $query = ($this->getModel())::where('product_id', $productId); if (!is_null($type)) $query->where('type', $type); return $query->delete(); } }