Symfony 2:错误:在Controller的非对象上调用成员函数has()

时间:2015-08-26 09:36:38

标签: php symfony controller doctrine

这是我的控制器A:

<?php

namespace MonitoringBundle\Controller;

use Symfony\Bundle\FrameworkBundle\Controller\Controller;
use Symfony\Component\HttpFoundation\Response;
use Sensio\Bundle\FrameworkExtraBundle\Configuration\Route;
use Sensio\Bundle\FrameworkExtraBundle\Configuration\Template;

use Doctrine\ORM\Query\ResultSetMapping;

use MonitoringBundle\Entity\MarketplaceShop;

use MonitoringBundle\Controller\BController;

class AController extends Controller
{
    /**
     * @Route("/A")
     * @Template()
     */
    public function AAction()
    {
        $B = new BController;

        $response = $B->BAction();

        return $this->render('MonitoringBundle:Default:index.html.twig', array('BVar' => $response));
    }
}
?>

那就是控制器B:

<?php

namespace MonitoringBundle\Controller;

use Symfony\Bundle\FrameworkBundle\Controller\Controller;
use Symfony\Component\HttpFoundation\Response;
use Sensio\Bundle\FrameworkExtraBundle\Configuration\Route;
use Sensio\Bundle\FrameworkExtraBundle\Configuration\Template;

use Doctrine\ORM\Query\ResultSetMapping;

use MonitoringBundle\Entity\MarketplaceShop;

class BController extends Controller
{
    /**
     * @Route("/B")
     * @Template()
     */
    public function BAction()
    {

        $id     = 'A2WPX7PK44TEBQ';
        $em     = $this->getDoctrine()->getManager();
        $shop   = $em->getRepository('MonitoringBundle:MarketplaceShop')
                     ->findOneByUniqueShopId($id);
        if (!$shop) {
            // do something
            return new Response('Shop does not exist.');
        } else {
            // do something else
            return new Response('Shop exists!');
        }
    }

}
?>

当我致电http://example.com/B时,一切都很好,我得到了回复:

  

商店不存在。

但是当我打电话给http://example.com/A时,我收到一个错误:

  

错误:在非对象上调用成员函数has()   500内部服务器错误 - FatalErrorException

堆栈跟踪: 在vendor / symfony / symfony / src / Symfony / Bundle / FrameworkBundle / Controller / Controller.php第291行

public function getDoctrine()
{
if (!$this->container->has('doctrine')) {
throw new \LogicException('The DoctrineBundle is not registered in your application.');
}

为什么它适用于/ B /但不适用于/ A /?

2 个答案:

答案 0 :(得分:1)

解决方案是将您的B控制器声明为服务,并通过$ this-&gt; container-&gt; get('controllerB');

在A控制器中调用它

在services.yml:

controllerB:
    class: MonitoringBundle\Controller\BController
    arguments:
        entity_manager: "@doctrine.orm.entity_manager"


class AController extends Controller
{
    /**
     * @Route("/A")
     * @Template()
     */
    public function AAction()
    {
        $B = $this->container->get('BController');

        $response = $B->BAction();

        return $this->render('MonitoringBundle:Default:index.html.twig', array('BVar' => $response));
    }
}


class BController extends Controller {
    /**
     * @var EntityManager
     */
    protected $entityManager;

    /**
     * Constructor
     * @param $entityManager
     */
    public function __construct($entityManager)
    {
        $this->entityManager = $entityManager;
    }

    /**
     * @Route("/B")
     * @Template()
     */
    public function BAction()
    {

        $id     = 'A2WPX7PK44TEBQ';
        $shop   = $this->entityManager->getRepository('MonitoringBundle:MarketplaceShop')
                     ->findOneByUniqueShopId($id);
        if (!$shop) {
            // do something
            return new Response('Shop does not exist.');
        } else {
            // do something else
            return new Response('Shop exists!');
        }
    }
}

答案 1 :(得分:0)

除@Christian Bujoreau答案外,您还可以使用正向方法:http://symfony.com/doc/current/book/controller.html#forwarding-to-another-controller

public function AAction()
{
    $response = $this->forward('MonitoringBundle:BController:BAction', array(
        // 'some_variable'  => $some_variable,
    ));

...

return $response;

}