Symfony4复选框不保存

// src/Form/YourFormType.php
namespace App\Form;

use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\FormBuilderInterface;
use Symfony\Component\OptionsResolver\OptionsResolver;

class YourFormType extends AbstractType
{
    public function buildForm(FormBuilderInterface $builder, array $options)
    {
        $builder
            ->add('yourCheckboxField', CheckboxType::class, [
                'required' => false,
            ]);
    }

    public function configureOptions(OptionsResolver $resolver)
    {
        $resolver->setDefaults([
            'data_class' => YourEntity::class,
        ]);
    }
}

// src/Entity/YourEntity.php
namespace App\Entity;

class YourEntity
{
    private $yourCheckboxField;

    public function getYourCheckboxField(): ?bool
    {
        return $this->yourCheckboxField;
    }

    public function setYourCheckboxField(bool $yourCheckboxField): self
    {
        $this->yourCheckboxField = $yourCheckboxField;

        return $this;
    }
}

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

use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use App\Entity\YourEntity;
use App\Form\YourFormType;

class YourController extends AbstractController
{
    public function yourAction(Request $request): Response
    {
        $entity = new YourEntity();
        $form = $this->createForm(YourFormType::class, $entity);

        $form->handleRequest($request);
        if ($form->isSubmitted() && $form->isValid()) {
            // 处理表单数据
            $entityManager = $this->getDoctrine()->getManager();
            $entityManager->persist($entity);
            $entityManager->flush();

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

        return $this->render('your_template.html.twig', [
            'form' => $form->createView(),
        ]);
    }
}

if ($form->isSubmitted()) {
    dump($form->getData()); // 查看提交的原始数据
    dump($entity); // 查看绑定后的实体状态
}