我跟著這個

tutorial.這非常簡單直接.

這是我所需要的.您只需更改參數(shù)然后清除prod緩存,您仍然可以在dev或測試環(huán)境中訪問該應用程序.

在你的parameters.yml中添加：

parameters:

maintenance: false #turn it to true to enable maintenance

underMaintenanceUntil: tomorrow 8 AM

然后定義一個服務：

services:

acme.listener.maintenance:

class: Acme\DemoBundle\Listener\MaintenanceListener

arguments:

container: "@service_container"

tags:

- { name: kernel.event_listener, event: kernel.request, method: onKernelRequest }

最后是事件監(jiān)聽器：

namespace Acme\DemoBundle\Listener;

use Symfony\Component\HttpKernel\Event\GetResponseEvent;

use Symfony\Component\HttpFoundation\Response;

use Symfony\Component\DependencyInjection\ContainerInterface;

class MaintenanceListener

{

private $container;

public function __construct(ContainerInterface $container)

{

$this->container = $container;

}

public function onKernelRequest(GetResponseEvent $event)

{

$maintenanceUntil = $this->container->hasParameter('underMaintenanceUntil') ? $this->container->getParameter('underMaintenanceUntil') : false;

$maintenance = $this->container->hasParameter('maintenance') ? $this->container->getParameter('maintenance') : false;

$debug = in_array($this->container->get('kernel')->getEnvironment(), array('test', 'dev'));

if ($maintenance && !$debug) {

$engine = $this->container->get('templating');

$content = $engine->render('::maintenance.html.twig', array('maintenanceUntil'=>$maintenanceUntil));

$event->setResponse(new Response($content, 503));

$event->stopPropagation();

}

}

}

然后你只需添加$content = $engine-> render(‘:: maintenance.html.twig’,array(‘maintenanceUntil’=> $maintenanceUntil))中引用的模板文件;還有你的罰款.使用{{maintenanceUntil}}顯示在parameters.yml中定義的消息.

總結

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