使用easy_admin / @Vich\Uploadable上传镜像时删除生成的哈希

use Symfony\Component\HttpFoundation\File\File;
use Vich\UploaderBundle\Mapping\Annotation as Vich;

/**
 * @Vich\Uploadable
 */
class Image
{
    /**
     * @Vich\UploadableField(mapping="images", fileNameProperty="imageName")
     *
     * @var File
     */
    private $imageFile;

    /**
     * @ORM\Column(type="string", length=255)
     *
     * @var string
     */
    private $imageName;

    // ...
}

easy_admin:
  entities:
    Image:
      class: App\Entity\Image
      form:
        fields:
          - { property: 'imageFile', type: 'file' }

use Symfony\Component\HttpFoundation\Request;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;

class ImageController extends AbstractController
{
    public function upload(Request $request)
    {
        $image = new Image();
        $form = $this->createForm(ImageType::class, $image);
        $form->handleRequest($request);

        if ($form->isSubmitted() && $form->isValid()) {
            // 处理文件上传
            $entityManager = $this->getDoctrine()->getManager();
            $entityManager->persist($image);
            $entityManager->flush();

            // 删除生成的哈希
            $image->setImageFile(null);
            $entityManager->persist($image);
            $entityManager->flush();

            return $this->redirectToRoute('image_show', ['id' => $image->getId()]);
        }

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

{# templates/image/upload.html.twig #}
{% extends 'base.html.twig' %}

{% block body %}
    <h1>上传图片</h1>

    {{ form_start(form) }}
        {{ form_row(form.imageFile) }}

        <button type="submit">上传</button>
    {{ form_end(form) }}
{% endblock %}

# config/routes.yaml
image_upload:
    path: /image/upload
    controller: App\Controller\ImageController::upload
    methods: [GET, POST]