/**
  * ProductStockalarmAct::act_updateWarnOld()
  * 更新选择料号的预警信息
  * @param array skuArr 料号数组
  * @return bool 
  */
 public function act_updateWarnOld()
 {
     $skuArr = isset($_POST['skuList']) ? $_POST['skuList'] : "";
     $gid = isset($_SESSION[C('USER_AUTH_SYS_ID')]) ? $_SESSION[C('USER_AUTH_SYS_ID')] : 0;
     if (empty($skuArr) || !is_array($skuArr)) {
         self::$errCode = 10000;
         self::$errMsg = "料号参数非法!";
         return false;
     }
     if (!count($skuArr)) {
         self::$errCode = 10001;
         self::$errMsg = "料号不能为空数组!";
         return false;
     }
     if (empty($gid)) {
         self::$errCode = 10002;
         self::$errMsg = "您无权更新缓存!";
         return false;
     }
     $res = ProductStockalarmModel::updateWarn($gid, $skuArr);
     self::$errCode = ProductStockalarmModel::$errCode;
     self::$errMsg = ProductStockalarmModel::$errMsg;
     return $res;
 }