Controller 中的 Symfony 5 路由名称

Question

如何在 Symfony 5 的 Controller 中获取当前路由的名称？当我尝试这个时，我得到 NULL:

$this->Request = Request::createFromGlobals();
$route = $this->Request->attributes->get('_route');

var_dump($route);

Answer 1

不建议在您的 Controller 中创建请求。获取已创建请求的首选方式是 DI 和 Autowiring :

// src/Controller/BlogController.php
namespace App\Controller;

use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\Routing\Annotation\Route;

class BlogController extends AbstractController
{
    /**
     * @Route("/blog", name="blog_list")
     */
    public function list(Request $request)
    {
        $routeName = $request->attributes->get('_route');
        $routeParameters = $request->attributes->get('_route_params');

        var_dump($routeName);
    }
}

此请求由 Symfony HttpKernel 处理并填充了附加信息。

更多信息:https://symfony.com/doc/current/routing.html#getting-the-route-name-and-parameters

它是如何到达那里的:https://github.com/symfony/symfony/blob/b2609c4bae69ca383b97cb520da2ed9be1c48449/src/Symfony/Component/Routing/Matcher/UrlMatcher.php#L217