public function delete()
 {
     $queueRuntimeDB = new QueueRuntimeModelDB();
     $whereArr = array();
     $whereArr['key'] = $_GET['key'];
     $sql = "SELECT * FROM `" . $queueRuntimeDB->getTableName() . "` WHERE `key` = ?";
     $row = $queueRuntimeDB->getRow($sql, array_values($whereArr));
     $rs = $queueRuntimeDB->delete($whereArr);
     Log::write($this->adminUserName, $this->ip, $_GET['key'], self::$state . "__" . self::$action, $rs, Log::arrayToLog($row));
     $rs ? Message::showSucc('删除成功') : Message::showError('删除失败:' . implode(" ", $queueRuntimeDB->getErrorInfo()));
 }