public function getListIdList(OW_Event $event) { $params = $event->getParams(); $offset = empty($params["offset"]) ? 0 : $params["offset"]; $count = empty($params["count"]) ? null : $params["count"]; $dtoList = $this->service->getHotList($offset, $count); $list = array(); foreach ($dtoList as $dto) { $list[] = $dto->userId; } $event->setData($list); return $list; }