将嵌套的Json发送到Symfony表单

use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\Extension\Core\Type\CollectionType;
use Symfony\Component\Form\Extension\Core\Type\TextType;
use Symfony\Component\Form\FormBuilderInterface;

class NestedJsonFormType extends AbstractType
{
    public function buildForm(FormBuilderInterface $builder, array $options)
    {
        $builder
            ->add('name', TextType::class)
            ->add('nestedJsonArray', CollectionType::class, [
                'entry_type' => NestedJsonItemFormType::class,
                'allow_add' => true,
                'allow_delete' => true,
                'by_reference' => false,
            ]);
    }
}

use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\Routing\Annotation\Route;

class NestedJsonController extends AbstractController
{
    /**
     * @Route("/submit", methods={"POST"})
     */
    public function submit(Request $request)
    {
        $form = $this->createForm(NestedJsonFormType::class);
        $form->handleRequest($request);

        if ($form->isSubmitted() && $form->isValid()) {
            $data = $form->getData();
            // 处理嵌套的JSON数据
            // ...
        }

        // 返回响应
        // ...
    }
}