我的SymfonyRegistrationFormType沒有提交

我使用 symfony 控制臺 make:registration 命令生成了用戶注冊碼。但是當我填寫注冊表并提交時，var_dump($ form->isSubmitted()) 總是顯示false，所以我無法實際創建用戶。這有什么可以解釋的？如何糾正？

這是生成的控制器檔案：

#[Route('/register', name: 'app_register')]
public function register(Request $request, UserPasswordEncoderInterface $passwordEncoder): Response
{
    $user = new User();
    $form = $this->createForm(RegistrationFormType::class, $user);
    $form->handleRequest($request);
   
    if ($form->isSubmitted() && $form->isValid()) {
        // encode the plain password
        dd(1);
        $user->setPassword(
            $passwordEncoder->encodePassword(
                $user,
                $form->get('plainPassword')->getData()
            )
        );

        $entityManager = $this->getDoctrine()->getManager();
        $entityManager->persist($user);
        $entityManager->flush();

        // generate a signed url and email it to the user
        $this->emailVerifier->sendEmailConfirmation('app_verify_email', $user,
            (new TemplatedEmail())
                ->from(new Address('[email protected]', 'Bethesda Administration'))
                ->to($user->getEmail())
                ->subject('Please Confirm your Email')
                ->htmlTemplate('registration/confirmation_email.html.twig')
        );
        // do anything else you need here, like send an email

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

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

這是生成的表單型別：

class RegistrationFormType extends AbstractType {
public function buildForm(FormBuilderInterface $builder, array $options)
{
    $builder
        ->add('email')
        ->add('agreeTerms', CheckboxType::class, [
            'mapped' => false,
            'constraints' => [
                new IsTrue([
                    'message' => 'You should agree to our terms.',
                ]),
            ],
        ])
        ->add('plainPassword', PasswordType::class, [
            // instead of being set onto the object directly,
            // this is read and encoded in the controller
            'mapped' => false,
            'attr' => ['autocomplete' => 'new-password'],
            'constraints' => [
                new NotBlank([
                    'message' => 'Please enter a password',
                ]),
                new Length([
                    'min' => 6,
                    'minMessage' => 'Your password should be at least {{ limit }} characters',
                    // max length allowed by Symfony for security reasons
                    'max' => 4096,
                ]),
            ],
        ])
    ;
}

}

這是生成的樹枝檔案：

{{ form_start(registrationForm) }}
    {{ form_row(registrationForm.email) }}
    {{ form_row(registrationForm.plainPassword, {
        label: 'Password'
    }) }}
    {{ form_row(registrationForm.agreeTerms) }}

    <button type="submit" class="btn">Register</button>
{{ form_end(registrationForm) }}

這個檔案是由symfony console make:registration命令生成的。請問問題出在哪里？

uj5u.com熱心網友回復：

在您的表單中添加一個SubmitType：

use Symfony\Component\Form\Extension\Core\Type\SubmitType;

//...
$builder
            ->add('email')
            ->add('agreeTerms', CheckboxType::class, [
                'mapped' => false,
                'constraints' => [
                    new IsTrue([
                        'message' => 'You should agree to our terms.',
                    ]),
                ],
            ])
            ->add('plainPassword', PasswordType::class, [
                // instead of being set onto the object directly,
                // this is read and encoded in the controller
                'mapped' => false,
                'attr' => ['autocomplete' => 'new-password'],
                'constraints' => [
                    new NotBlank([
                        'message' => 'Please enter a password',
                    ]),
                    new Length([
                        'min' => 6,
                        'minMessage' => 'Your password should be at least {{ limit }} characters',
                        // max length allowed by Symfony for security reasons
                        'max' => 4096,
                    ]),
                ],
            ])
            ->add('submit', SubmitType::class, [
                'attr' => ['class' => 'btn'],
            ])
        ;

并更新您的樹枝檔案：

{{ form_start(registrationForm) }}
    {{ form_row(registrationForm.email) }}
    {{ form_row(registrationForm.plainPassword, {
        label: 'Password'
    }) }}
    {{ form_row(registrationForm.agreeTerms) }}

    {{ form_row(registrationForm.submit) }}
{{ form_end(registrationForm) }}

uj5u.com熱心網友回復：

您需要data_class在表單型別中定義。

class RegistrationFormType extends AbstractType
{
    // ...

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

uj5u.com熱心網友回復：

通過添加以下幾行，我能夠檢測到表單的提交

  $form->submit($request->request->get($form->getName()));

   

在按照頁面https://symfony.com/doc/current/form/direct_submit.html上的指定提交之前，
感謝您的指導。愿這對任何將面臨此問題的人有所幫助。

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