/**
  * 删除缓存
  */
 public function actionDel()
 {
     $ids = $this->helpGpost('ids', []);
     $message = '';
     $code = '';
     foreach ($ids as $k => $v) {
         if (Cache::del($v)) {
             $message = '删除成功!';
             $code = 'success';
         } else {
             $message = '删除失败!';
         }
     }
     return $this->helpResult(['code' => $code, 'message' => $message, 'data' => '']);
 }