}
        $serv->close($fd);
    }
    public function onClose($serv, $fd, $from_id)
    {
        echo "Client: Close.\n";
    }
    //接受参数并交由相应路由处理,处理完成后返回结果或者结果集
    public function callControllerAction($controller, $action, $parameter)
    {
        ob_start();
        try {
            $_GET['_url'] = '/' . $controller . '/' . $action . '/parameter/' . $parameter;
            echo $this->application->handle()->getContent();
        } catch (Exception $e) {
            echo $e->getMessage();
        }
        $this->result = ob_get_contents();
        ob_end_clean();
    }
    // 获取实例对象
    public static function getInstance()
    {
        if (!self::$instance) {
            self::$instance = new self();
        }
        return self::$instance;
    }
}
TcpServer::getInstance();