Question

我正在尝试从管理员添加一个新的经理到我的应用程序，但我遇到了这个错误：

The property "nurseries" in class "VS\CrmBundle\Entity\Staff" can be defined with the methods "addNurseries()", "removeNurseries()" but the new value must be an array or an instance of \Traversable, "VS\CrmBundle\Entity\Nursery" given.

我在幼儿园和教职员班之间有ManyToMany个关联：

class Staff extends User
{
    /**
     * @var int
     *
     * @ORM\Column(name="id", type="integer")
     * @ORM\Id
     * @ORM\GeneratedValue(strategy="AUTO")
     */
    protected $id;

    /**
     * @var ArrayCollection
     *
     * @ORM\ManyToMany(targetEntity="Nursery", inversedBy="staff", cascade={"persist"})
     * @ORM\JoinTable(name="nursery_staff",
     *     joinColumns={@ORM\JoinColumn(name="staff_id", referencedColumnName="id")},
     *     inverseJoinColumns={@ORM\JoinColumn(name="nursery_id", referencedColumnName="id")}
     *  )
     */
    private $nurseries;

    /**
     * Staff constructor.
     */
    public function __construct()
    {
        parent::__construct();
        $this->nurseries = new ArrayCollection();
    }
    /**
     * @param Nursery $nursery
     */
    public function addNurseries(Nursery $nursery)
    {
        $nursery->addStaff($this);
        $this->nurseries[] = $nursery;
    }

    /**
     * @param Nursery $nursery
     */
    public function removeNurseries(Nursery $nursery)
    {
        $this->nurseries->removeElement($nursery);
    }

    /**
     * @return ArrayCollection
     */
    public function getNurseries()
    {
        return $this->nurseries;
    }

并且：

class Nursery
{
    /**
     * @var int
     *
     * @ORM\Column(name="id", type="integer")
     * @ORM\Id
     * @ORM\GeneratedValue(strategy="AUTO")
     */
    private $id;
    /**
     * @var ArrayCollection
     *
     * @ORM\ManyToMany(targetEntity="Staff", mappedBy="nurseries", cascade={"persist"})
     * @ORM\JoinTable(name="nursery_staff")
     */
    private $staff;
    /**
     * Nursery constructor.
     */
    public function __construct()
    {
        $this->staff = new ArrayCollection();
        $this->schedule = new ArrayCollection();
        $this->createdAt = new \DateTime();
        $this->contacts = new ArrayCollection();
        $this->registerRecord = new ArrayCollection();
    }
    /**
     * Add staff
     *
     * @param \VS\CrmBundle\Entity\Staff $staff
     *
     * @return Nursery
     */
    public function addStaff(\VS\CrmBundle\Entity\Staff $staff)
    {
        $this->staff[] = $staff;

        return $this;
    }

    /**
     * Remove staff
     *
     * @param \VS\CrmBundle\Entity\Staff $staff
     */
    public function removeStaff(\VS\CrmBundle\Entity\Staff $staff)
    {
        $this->staff->removeElement($staff);
    }

    /**
     * Get staff
     *
     * @return \Doctrine\Common\Collections\Collection
     */
    public function getStaff()
    {
        return $this->staff;
    }

然后我有这个控制器：

   public function addAction(Request $request)
    {
        //Create the forms
        $manager = new Staff();
        $managerForm = $this->get('form.factory')->create(StaffFromAdminType::class, $manager);

        $managerForm->handleRequest($request);
        if($managerForm->isSubmitted() && $managerForm->isValid())
        {
            $manager->setStaffRole('MANAGER');

            $em = $this->getDoctrine()->getManager();
            $em->persist($manager);
            $em->flush();

            $this->addFlash('success', 'The Manager has been successfully added.');

            return $this->redirectToRoute('vs_crm_admin_dashboard');
        }

        return $this->render("VSCrmBundle:Admin/Manager:add-manager.html.twig", array(
            'manager_form' => $managerForm->createView()
        ));
    }

最后这是我的表格：

public function buildForm(FormBuilderInterface $builder, array $options)
{
    $builder
        ->add('firstName')
        ->add('lastName')
        ->add('email')
        ->add('addresses', CollectionType::class, array(
            'entry_type' =>  AddressType::class,
            'allow_add' => true
        ))
        /*
        ->add('medias', CollectionType::class, array(
            'entry_type' => MediaType::class,
            'allow_add' => true
        ))*/
        ->add('staffRole')
        ->add('nurseries', EntityType::class, array(
            'class' => 'VSCrmBundle:Nursery',
        ));
}

和这个日志：

[1] Symfony\Component\PropertyAccess\Exception\NoSuchPropertyException: The property "nurseries" in class "VS\CrmBundle\Entity\Staff" can be defined with the methods "addNurseries()", "removeNurseries()" but the new value must be an array or an instance of \Traversable, "VS\CrmBundle\Entity\Nursery" given.
    at n/a
        in C:\wamp64\www\app\vendor\symfony\symfony\src\Symfony\Component\PropertyAccess\PropertyAccessor.php line 614

    at Symfony\Component\PropertyAccess\PropertyAccessor->writeProperty(array(object(Staff), object(Staff)), 'nurseries', object(Nursery))
        in C:\wamp64\www\app\vendor\symfony\symfony\src\Symfony\Component\PropertyAccess\PropertyAccessor.php line 202

    at Symfony\Component\PropertyAccess\PropertyAccessor->setValue(object(Staff), object(PropertyPath), object(Nursery))
        in C:\wamp64\www\app\vendor\symfony\symfony\src\Symfony\Component\Form\Extension\Core\DataMapper\PropertyPathMapper.php line 93

    at Symfony\Component\Form\Extension\Core\DataMapper\PropertyPathMapper->mapFormsToData(object(RecursiveIteratorIterator), object(Staff))
        in C:\wamp64\www\app\vendor\symfony\symfony\src\Symfony\Component\Form\Form.php line 618

    at Symfony\Component\Form\Form->submit(array('nurseries' => '1', 'firstName' => 'Jacques', 'lastName' => 'Dupont', 'email' => 'viktor@test.be', '_token' => 'tULa-SoBQArpx34h9d5gNOi93t2gXw_ZSlsdc52Fvus'), true)
        in C:\wamp64\www\app\vendor\symfony\symfony\src\Symfony\Component\Form\Extension\HttpFoundation\HttpFoundationRequestHandler.php line 113

    at Symfony\Component\Form\Extension\HttpFoundation\HttpFoundationRequestHandler->handleRequest(object(Form), object(Request))
        in C:\wamp64\www\app\vendor\symfony\symfony\src\Symfony\Component\Form\Form.php line 488

    at Symfony\Component\Form\Form->handleRequest(object(Request))
        in C:\wamp64\www\app\src\VS\CrmBundle\Controller\ManagerController.php line 36

    at VS\CrmBundle\Controller\ManagerController->addAction(object(Request))
        in  line 

    at call_user_func_array(array(object(ManagerController), 'addAction'), array(object(Request)))
        in C:\wamp64\www\app\vendor\symfony\symfony\src\Symfony\Component\HttpKernel\HttpKernel.php line 153

    at Symfony\Component\HttpKernel\HttpKernel->handleRaw(object(Request), '1')
        in C:\wamp64\www\app\vendor\symfony\symfony\src\Symfony\Component\HttpKernel\HttpKernel.php line 68

    at Symfony\Component\HttpKernel\HttpKernel->handle(object(Request), '1', true)
        in C:\wamp64\www\app\vendor\symfony\symfony\src\Symfony\Component\HttpKernel\Kernel.php line 169

    at Symfony\Component\HttpKernel\Kernel->handle(object(Request))
        in C:\wamp64\www\app\web\app_dev.php line 28

所以我只想让管理员在所有注册托儿所的列表中选择正确的托儿所，为新管理员添加一些数据，并通过新管理员和现有托儿所之间的链接保存管理员。

Answer 1

您正在表单中生成对象nursery的元素。相反，您需要传递nursery数组。在'multiple' => true中添加FormType后尝试。

<强> FormType

->add('nurseries', EntityType::class, array(
     'multiple' => true,     
     'class' => 'VSCrmBundle:Nursery'
))

注意： 'multiple' => true将创建数组类型控件而不是对象。

ManyToMany关联错误

1 个答案: