Symfony 4，在ChoiceType中添加文本输入字段

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

class CustomChoiceType extends AbstractType
{
    public function buildForm(FormBuilderInterface $builder, array $options)
    {
        $builder
            ->add('choices', ChoiceType::class, [
                'choices' => [
                    'Option 1' => 'option1',
                    'Option 2' => 'option2',
                    'Option 3' => 'option3',
                ],
                'expanded' => true, // 使用单选按钮或复选框
            ])
            ->add('customInput', TextType::class); // 添加文本输入字段
    }
}

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

class MyController extends AbstractController
{
    /**
     * @Route("/form", name="form")
     */
    public function formAction(Request $request)
    {
        $form = $this->createForm(CustomChoiceType::class);

        $form->handleRequest($request);

        if ($form->isSubmitted() && $form->isValid()) {
            $data = $form->getData();

            // 处理表单数据

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

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

{# form.html.twig #}

<form method="post">
    {{ form_row(form.choices) }}
    {{ form_row(form.customInput) }}
    <button type="submit">Submit</button>
</form>