function act_getRequestChangeNum($where)
 {
     //调用model层获取数据
     $list = EbayFeedbackModel::getRequestChangeNum($where);
     if ($list) {
         return $list;
     } else {
         self::$errCode = EbayFeedbackModel::$errCode;
         self::$errMsg = EbayFeedbackModel::$errMsg;
         return false;
     }
 }