/**
  * 群组信息
  * @see <*****@*****.**>
  *
  * @param $group_id int 群组id
  */
 public function actionGroupInfo()
 {
     $group_id = Yii::$app->getRequest()->post('group_id');
     $group_id = !empty($group_id) ? intval($group_id) : '';
     $mGroup = new GroupGroup();
     $groupinfo = $mGroup->getRow($group_id);
     if (!$groupinfo) {
         return Yii::$app->util->responseArray('1101', 'params_missing_error', '参数错误!');
     }
     $mGmember = new GroupMemberGroup();
     $groupinfo['memberlist'] = $mGmember->GroupMemberList($group_id);
     return Yii::$app->util->responseArray('0', 'success', '成功!!', $groupinfo);
 }