Server::$settingServer::$setting Server::set()函数所设置的参数会保存到Server->$setting属性上。在回调函数中可以访问运行参数的值。 示例: $serv = new Swoole\Server('127.0.0.1', 9501);$serv->set(array('worker_num' => 4));echo $serv->setting['worker_num'];