我的申请工作如下：
在我的Twig页面,我有几个项目,按钮“添加到收藏夹”.当您单击按钮时,我的控制器将item_id保存在收藏夹列中.但是我想要保存
将项目添加到他的收藏夹和我的应用程序的用户失败.

用户和收藏夹存在,但用户和收藏夹之间的连接列保持为空.
我也没有收到任何错误.

这是我的代码：

实体用户

class Users implements AdvancedUserInterface
{
    /**
     * @var \Doctrine\Common\Collections\ArrayCollection
     *
     * @ORM\ManyToMany(targetEntity="Favorites",inversedBy="user",cascade={"persist"})
     * @ORM\JoinTable(name="user_has_favorite",*   joinColumns={
     *     @ORM\JoinColumn(name="user_id",referencedColumnName="user_id")
     *   },*   inverseJoinColumns={
     *     @ORM\JoinColumn(name="favorite_id",referencedColumnName="favorite_id")
     *   }
     * )
     */
    private $favorite;

    public function __construct()
    {
        $this->favorite = new \Doctrine\Common\Collections\ArrayCollection();
    }

    public function addFavorite(\Geo\CityTroopersBundle\Entity\Favorites $favorite)
    {
        $this->favorite[] = $favorite;

        return $this;
    }
...

实体收藏

class Favorites
{

    /**
     * @var \Doctrine\Common\Collections\ArrayCollection
     *
     * @ORM\ManyToMany(targetEntity="Users",mappedBy="favorite",cascade={"persist"})
     */
    private $user;

    public function __construct()
    {
        $this->user = new \Doctrine\Common\Collections\ArrayCollection();
    }
    public function addUser(\Geo\CityTroopersBundle\Entity\Users $user)
    {
        $this->user[] = $user;    
        return $this;
    }

我的控制器

public function showNewsAction()
    {
        $request = $this->get('request');    
        $itemId=$request->request->get('itemId');
        if($itemId != NULL)
        {
        //MAKE NEW FAVORITE AND ADD TO DATABASE LINKED WITH ITEM
        $favorite = new Favorites();
        $favorite->setItemId($itemId);

         //LINK FAVORITE ID WITH USER ID IN JOINCOLUMN
        $userId = 6;
        $em = $this->getDoctrine()->getEntityManager();

        $user = $em->getRepository('GeoCityTroopersBundle:Users')->find($userId);

        $favorite->addUser($user);
        $em->persist($favorite); 

        //I TRIED THIS TOO,BUT IT Failed
        /*$user->addFavorite($favorite);
        $em->persist($user);*/

        $em->flush();