/**
  * 组管理(删除)
  */
 public function actionDeletegroup()
 {
     $request = \Yii::$app->request;
     $identity = Identity::checkIdentity('deletegroup', '/app-backend/backend/adminmanage/deletegroup');
     if (is_array($identity)) {
         return $identity;
     }
     $groupId = intval($request->_get('groupId', 0));
     if (!$groupId) {
         return ['code' => 1, 'msg' => '数据非法', 'data' => []];
     }
     $groupName = GroupAdmin::find()->where('groupId=' . $groupId)->select('groupName')->scalar();
     $defaultGroup = \Yii::$app->params['defaultGroupAdmin'];
     if (in_array($groupName, $defaultGroup)) {
         return ['code' => 1, 'msg' => '默认组不能删除', 'data' => []];
     }
     $checkUser = UserGroupAdmin::checkGroupUser($groupId);
     if ($checkUser) {
         return ['code' => 3, 'msg' => '组内有成员,不能删除', 'data' => []];
     }
     $res = GroupAdmin::deleteAll('groupId=' . $groupId);
     if ($res !== false) {
         return ['code' => 0, 'msg' => '操作成功', 'data' => []];
     } else {
         return ['code' => 2, 'msg' => '操作失败,请重试', 'data' => []];
     }
 }