where(['user_id'=>$user_id])->count(); } public static function getFocusCount(int $user_id) { return Focus::query()->where(['target_id'=>$user_id])->count(); } public static function focus(int $user_id, int $target_id) { return Focus::query()->insert(['user_id'=>$user_id,'target_id'=>$target_id]); } public static function delFocus(int $user_id, int $target_id) { return Focus::query()->where(['user_id'=>$user_id,'target_id'=>$target_id])->update(['status'=>1]); } }