Question

使用Symfony 2.5.3。我试图发送一个欢迎＆＃39;有人使用EventListener成功注册（FOS Userbunde）时发送电子邮件。触发的事件是fos_user.registration.success。

所以我添加了一项服务：

mycustom_user.registration_success:
    class: Mycustom\UserBundle\EventListener\RegistrationListener
    arguments: [@mycustom_user.mailer]
    tags:
        - { name: kernel.event_listener, event: fos_user_registration_success, method: onRegistrationSuccess}

听众本身：

namespace Mycustom\UserBundle\EventListener;

use FOS\UserBundle\FOSUserEvents;
use FOS\UserBundle\Event\UserEvent;
use FOS\UserBundle\Event\FormEvent;
use Mycustom\UserBundle\Mailer\Mailer;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;

class RegistrationListener implements EventSubscriberInterface
{
    protected $mailer;

    public function __construct(Mailer $mailer)
    {
        $this->mailer = $mailer;
    }


    public static function getSubscribedEvents()
    {
        return array(
            FOSUserEvents::REGISTRATION_SUCCESS => 'onRegistrationSuccess',
        );
    }

    public function onRegistrationSuccess(FormEvent $event)
    {
        $user = $event->getForm()->getData();

        $this->mailer->sendWelcomeMessage($user);

        $url = $this->router->generate('fos_user_security_login');
        $event->setResponse(new RedirectResponse($url));
    }
}

邮件程序本身包含电子邮件内容的呈现，也注册为服务：

mycustom_user.mailer:
    class: Mycustom\UserBundle\Mailer\Mailer
    arguments: ['@templating']

mycustom_user.mailer是听众的参数。但不知怎的，我不断收到这个错误：

Catchable Fatal Error: Argument 1 passed to 
Mycustom\UserBundle\EventListener\RegistrationListener::__construct() 
must be an instance of Mycustom\UserBundle\Mailer\Mailer, none given, 
called in mycustom/app/cache/dev/appDevDebugProjectContainer.php 
on line 2214 and defined in mycustom/src/Mycustom/UserBundle/EventListener/RegistrationListener.php line 19

我尝试了像@doctrine这样的其他参数（并相应地更改了侦听器构造函数），但我仍然遇到同样的错误。此外，邮件服务的@templating参数也不起作用。

我在这里做错了什么？

Answer 1

所以，我遇到的问题是我在一个班级中有两个听众。第二个服务定义不包含构造函数的参数。应该是这样的：

mycustom_user.registration_initialize:
    class: Mycustom\UserBundle\EventListener\RegistrationListener
    arguments: ['@mycustom_user.mailer']
    tags:
        - { name: kernel.event_subscriber, alias: mycustom_user_registration_listener}

mycustom_user.registration_success:
    class: Mycustom\UserBundle\EventListener\RegistrationListener
    arguments: ['@mycustom_user.mailer']
    tags:
        - { name: kernel.event_subscriber }

无法将参数传递给事件侦听器

1 个答案: