Symfony 3表格验证:无法加载类型

Question

我正在尝试在Symfony 3中使用表单验证，但有一个错误：

无法加载类型" AppBundle Entity accountsheet in/var/www/teem> mywebsite /vendor/symfony/symfony/symfony/symfony/src/symfony/symfony/symfony/component/component/form/form/form/formregrregrregsistry.phppet/ppunptim>

这是定义：

src/appbundle/controller/accountsheetcontroller.php

    <?php
    namespace AppBundleController;
    use SymfonyBundleFrameworkBundleControllerController;
    use SymfonyComponentHttpFoundationRequest;
    use SymfonyComponentHttpFoundationJsonResponse;
    use SymfonyComponentHttpFoundationResponse;
    use FOSRestBundleControllerAnnotations as Rest;
    use AppBundleFormTypeAccountSheetType;
    use AppBundleEntityAccountSheet;
    class AccountSheetController extends Controller{
[...]
    /**
     * @RestView(statusCode=Response::HTTP_CREATED)
     * @RestPost("/account/{account_id}/sheet")
     */
    public function postAccountSheetsAction($account_id, Request $request){
        $account = $this->get('doctrine.orm.entity_manager')
                 ->getRepository('AppBundle:Account')
                 ->find($account_id);
        if(empty($account))
            return $this->notFound('AccountSheet');
        $aSheet = new AccountSheet();
        $aSheet->setAccount($account);
        $form = $this->createForm(AccountSheet::class, $aSheet);
        $form->submit($request->request->all());
        if ($form->isValid()) {
            $em = $this->get('doctrine.orm.entity_manager');
            $em->persist($aSheet);
            $em->flush();
            return $aSheet;
        }
        return $form;
    }
[...]
}

src appbundle form type type accountsheettype.php

    <?php
    namespace AppBundleFormType;
    use SymfonyComponentFormAbstractType;
    use SymfonyComponentFormFormBuilderInterface;
    use SymfonyComponentOptionsResolverOptionsResolver;
    use AppBundleEntityAccountSheet;
    class AccountSheetType extends AbstractType
    {
        public function buildForm(FormBuilderInterface $builder, array $options)
        {
            $builder->add('name');
        }
        public function configureOptions(OptionsResolver $resolver)
        {
            $resolver->setDefaults([
                'data_class' => AccountSheet::class,
                'csrf_protection' => false
            ]);
        }
    }

src/appbundle/resources/config/valivation.yml

AppBundleEntityAccountSheet:
    properties:
        name:
            - NotBlank: ~
            - Type: string

app/config/config.yml

framework:
    validation:      { enabled: true, enable_annotations: false }

我可能错过了一些东西，但是Symfony对我来说仍然是新的，我没有想法。

Answer 1

更改

$form = $this->createForm(AccountSheet::class, $aSheet);

to

$form = $this->createForm(AccountSheetType::class, $aSheet);