// +---------------------------------------------------------------------- namespace app\wap\model\store; use basic\ModelBasic; /**商品分类 * Class StoreCategory * @package app\wap\model\store */ class StoreCategory extends ModelBasic { /**获取分类 * @param $pid * @param string $field * @param int $limit * @return false|\PDOStatement|string|\think\Collection * @throws \think\db\exception\DataNotFoundException * @throws \think\db\exception\ModelNotFoundException * @throws \think\exception\DbException */ public static function pidByCategory($pid, $field = '*', $limit = 0) { $model = self::where('pid', $pid)->where('is_show', 1)->field($field); if ($limit) $model->limit($limit); return $model->order('sort DESC')->select(); } /**获取分类的上级id * @param $cateId * @return mixed */ public static function cateIdByPid($cateId) { return self::where('id', $cateId)->value('pid'); } }