经过更多搜索后,我发现了这篇文章:http://blog.viison.com/post/15619033835/symfony2-twig-extension-switch-locale-current-route
我只是使用了这个想法并进行了所需的更改,这是我的扩展的最终代码
<?php
namespace Comehoy\CoreBundle\Twig\Extension;
use Symfony\Bundle\FrameworkBundle\Routing\Router;
use Symfony\Component\HttpKernel\Event\GetResponseEvent;
use Symfony\Component\HttpKernel\HttpKernel;
class PathExtension extends \Twig_Extension
{
private $request;
private $router;
public function __construct(Router $router) {
$this->router = $router;
}
public function onKernelRequest(GetResponseEvent $event) {
if ($event->getRequestType() === HttpKernel::MASTER_REQUEST) {
$this->request = $event->getRequest();
}
}
public function getFunctions()
{
return array(
'l10n_path' => new \Twig_Function_Method($this, 'getPath')
);
}
public function getPath($name, $parameters = array())
{
$parameters = array_merge($parameters, [
'country' => $this->request->get('country'),
'state' => $this->request->get('state'),
'city' => $this->request->get('city'),
]);
return $this->generator->generate($name, $parameters, false);
}
public function getName()
{
return 'twig_my_path_extension';
}
}
至于配置和帖子里的一样
services:
twig.localized_route_extension:
class: Acme\CoreBundle\Twig\PathExtension
tags:
- { name: twig.extension }
- { name: kernel.event_listener, event: kernel.request, method: onKernelRequest }
arguments: [@router]
对于我使用国家、州和城市的路线,我将它们放在前缀中,以避免在每条路线中重复它们。
acme_core:
resource: "@AcmeCoreBundle/Controller/"
type: annotation
prefix: /{country}/{state}/{city}
希望它对其他人有帮助。