Php VichUploaderBundle:通过Post从不工作添加图像

我在Symfony2.3应用程序中使用VichUploader。我在我的帖子实体和图片实体之间创建了一对一的关系，我使用数据转换器通过帖子表单添加图片。一切正常，我也不例外，但post_id并没有保存在数据库的图像表中。可能是因为这样，我想发布的每一张图片都被破坏了

我将感谢任何帮助

图像实体：

namespace BlogBundle\Entity;

use Doctrine\ORM\Mapping as ORM;
use Doctrine\Common\Collections\ArrayCollection;
use Symfony\Component\Validator\Constraints as Assert;
use Symfony\Component\HttpFoundation\File\UploadedFile;
use Symfony\Component\HttpFoundation\File\File;
use Vich\UploaderBundle\Mapping\Annotation as Vich;

/**
 * Class Image.
 *
 * @package Model
 * @author Monika Malinowska
 *
 * @ORM\Table(name="images")
 * @ORM\Entity(repositoryClass="BlogBundle\Repository\Image")
 * @Vich\Uploadable
 */

class Image
{
    /**
     * @ORM\Id
     * @ORM\Column(
     *     type="integer",
     *     nullable=false,
     *     options={
     *         "unsigned" = true
     *     }
     * )
     * @ORM\GeneratedValue(strategy="IDENTITY")
     * @var integer $id
     */
private $id;

/**
 * @ORM\OneToOne(targetEntity="Post", inversedBy="image")
 * @ORM\JoinColumn(name="post_id", referencedColumnName="id")
 */
protected $post;

/**
 *
 * @Vich\UploadableField(mapping="image", fileNameProperty="imageName")
 *
 * @var File
 */
private $imageFile;

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

/**
 * @ORM\Column(type="datetime")
 *
 * @var \DateTime
 */
private $updatedAt;

/**
 *
 * @param File|\Symfony\Component\HttpFoundation\File\UploadedFile $image
 *
 * @return Image
 */

public function __construct()
{
    $this->updatedAt= new \DateTime();
}

public function setImageFile(File $image = null)
{
    $this->imageFile = $image;

    if ($image) {
        // It is required that at least one field changes if you are using doctrine
        // otherwise the event listeners won't be called and the file is lost
        $this->updatedAt = new \DateTime('now');
    }

    return $this;
}

/**
 * @return File
 */
public function getImageFile()
{
    return $this->imageFile;
}

/**
 * @param string $imageName
 *
 * @return Image
 */
public function setImageName($imageName)
{
    $this->imageName = $imageName;

    return $this;
}

/**
 * @return string
 */
public function getImageName()
{
    return $this->imageName;
}

/**
 * Set Id.
 *
 * @param integer $id Id
 */
public function setId($id)
{
    $this->id = $id;
}

/**
 * Get Id.
 *
 * @return integer Result
 */
public function getId()
{
    return $this->id;
}

/**
 * Set Post.
 *
 * @param integer $post Post
 */
public function setPost($post)
{
    $this->post = $post;
}

/**
 * Get Post.
 *
 * @return integer Result
 */
public function getPost()
{
    return $this->post;
}}

邮政实体：

namespace BlogBundle\Entity;

use Doctrine\ORM\Mapping as ORM;
use Doctrine\Common\Collections\ArrayCollection;
use Symfony\Component\Validator\Constraints as Assert;
use Symfony\Bridge\Doctrine\Validator\Constraints\UniqueEntity;
use Symfony\Component\HttpFoundation\File\UploadedFile;

/**
 * Class Post.
 *
 * @package Model
 *
 * @ORM\Table(name="posts")
 * @ORM\Entity(repositoryClass="BlogBundle\Repository\Post")
 */
class Post
{
/**
 * @ORM\Id
 * @ORM\Column(
 *     type="integer",
 *     nullable=false,
 *     options={
 *         "unsigned" = true
 *     }
 * )
 * @ORM\GeneratedValue(strategy="IDENTITY")
 * @var integer $id
 */
private $id;

...

/**
 * @ORM\OneToOne(targetEntity="Image", mappedBy="post")
 */
protected $image;


/**
 * Get Id.
 *
 * @return integer Result
 */
public function getId()
{
    return $this->id;
}


/**
 * Set Id.
 *
 * @param integer $id Id
 */
public function setId($id)
{
    $this->id = $id;
}

/**
 * Set image.
 *
 * @param File|\Symfony\Component\HttpFoundation\File\UploadedFile $image
 * @return $image
 */
public function setImage($image)
{
    $this->image = $image;
    return $this;
}

/**
 * Get image.
 *
 * @return file Image
 */
public function getImage()
{
    return $this->image;
}

/**
 * Add images.
 *
 * @param \BlogBundle\Entity\Image $image
 * @return Image
 */
public function addImage(\BlogBundle\Entity\Image $image)
{
    $this->image = $image;
    $image->setImage($this);
    return $this;
}

/**
 * Remove image
 *
 * @param \BlogBundle\Entity\Image $image
 */
public function removeImage(\BlogBundle\Entity\Image $image)
{
    $this->$image->removeElement($image);
    $image->setImage(null);
}

图像类型

namespace BlogBundle\Form;

use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\FormBuilderInterface;
use Symfony\Component\OptionsResolver\OptionsResolverInterface;
use Symfony\Component\Form\FormTypeExtensionInterface;
use Symfony\Component\HttpFoundation\File\File;
use Vich\UploaderBundle\Form\Type\VichImageType;

/**
 * Class ImageType.
 *
 * @package BlogBundle\Form
 */
class ImageType extends AbstractType
{

    /**
     * Form builder.
     *
     * @param FormBuilderInterface $builder Form builder
     * @param array $options Form options
     */
    public function buildForm(FormBuilderInterface $builder, array $options)
    {

        $builder->add(
            'id',
            'hidden'
        );
        if (isset($options['validation_groups'])
            && count($options['validation_groups'])
            && !in_array('image-delete', $options['validation_groups'])
        ) {
           // $builder->add('name', 'file', array('label' => 'Obrazek (format JPG)'));
            //$builder->add('name', 'text');
            $builder->add('imageFile', 'vich_image');
        }
        $builder->add(
            'save',
            'submit',
            array(
                'label' => 'Save'
            )
        );
    }

    /**
     * Sets default options for form.
     *
     * @param OptionsResolverInterface $resolver
     */
    public function setDefaultOptions(OptionsResolverInterface $resolver)
    {
        $resolver->setDefaults(
            array(
                'data_class' => 'BlogBundle\Entity\Image',
                'validation_groups' => 'image-default',
            )
        );
    }

    /**
     * Getter for form name.
     *
     * @return string Form name
     */
    public function getName()
    {
        return 'image_form';
    }
}

PostType

namespace BlogBundle\Form;

use BlogBundle\Form\DataTransformer\TagDataTransformer;
use BlogBundle\Form\DataTransformer\ImageDataTransformer;
use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\FormBuilderInterface;
use Symfony\Component\OptionsResolver\OptionsResolverInterface;
use Symfony\Component\HttpFoundation\File\File;
use BlogBundle\Form\ImageType;

/**
 * Class PostType.
 *
 * @package BlogBundle\Form
 */
class PostType extends AbstractType
{
    /**
     * Form builder.
     *
     * @param FormBuilderInterface $builder Form builder
     * @param array $options Form options
     */
    public function buildForm(FormBuilderInterface $builder, array $options)
    {
        $imageDataTransformer = new ImageDataTransformer($options['image_model']);

        $builder->add(
            'id',
            'hidden'
        );
        if (isset($options['validation_groups'])
            && count($options['validation_groups'])
            && !in_array('post-delete', $options['validation_groups'])
        ) {
...
            $builder->add(
                $builder
                    ->create('image', 'file')
                    ->addModelTransformer($imageDataTransformer)
            );
        }
        $builder->add(
            'save',
            'submit',
            array(
                'label' => 'form.save'
            )
        );
    }

    /**
     * Sets default options for form.
     *
     * @param OptionsResolverInterface $resolver
     */
    public function setDefaultOptions(OptionsResolverInterface $resolver)
    {
        $resolver->setDefaults(
            array(
                'data_class' => 'BlogBundle\Entity\Post',
                'validation_groups' => 'post-default',
            )
        );

        $resolver->setRequired(array('image_model'));
        $resolver->setAllowedTypes(
            array(
                'image_model' => 'Doctrine\Common\Persistence\ObjectRepository'
            )
        );
    }

    /**
     * Getter for form name.
     *
     * @return string Form name
     */
    public function getName()
    {
        return 'post_form';
    }
}

config.yml

vich_uploader:
    db_driver: orm

    mappings:
        image:
            uri_prefix:         /assetic/images
            upload_destination: '%kernel.root_dir%/../web/assetic/images'
            namer:              vich_uploader.namer_uniqid

            inject_on_load:     false
            delete_on_update:   true
            delete_on_remove:   true

---

您不需要任何数据转换器，但应该使用“vich_image”类型而不是“file”类型。 将

cascade={“persist”}

选项添加到Post实体中的

oneToOne

注释中