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嗨，大家好，我已经实现vichuploadbundle上传图像，但我想在管理员用户删除图像。Vich上传包删除图像
<?php
namespace George\PageBundle\Entity;
use Doctrine\ORM\Mapping as ORM;
use George\UserBundle\Entity\User;
use Gedmo\Mapping\Annotation as Gedmo;
use Symfony\Component\HttpFoundation\File\File;
use Vich\UploaderBundle\Mapping\Annotation as Vich;
/**
* Page
*
* @ORM\Table()
* @ORM\Entity(repositoryClass="George\PageBundle\Entity\PageRepository")
* @Vich\Uploadable
*/
class Page
{
/**
* @var integer
*
* @ORM\Column(name="id", type="integer")
* @ORM\Id
* @ORM\GeneratedValue(strategy="AUTO")
*/
private $id;
/**
* @var string
*
* @ORM\Column(name="title", type="text")
*/
private $title;
/**
* @var string
*
* @ORM\Column(name="content", type="text")
*/
private $content;
/**
* @var boolean
*
* @ORM\Column(name="visible", type="boolean")
*/
private $visible;
/**
* @var \DateTime
*
* @ORM\Column(name="created", type="datetime")
*/
private $created;
/**
* @var \DateTime
*
* @ORM\Column(name="modefied", type="datetime")
*/
private $modefied;
/**
* @var string
*
* @ORM\Column(name="description", type="string", length=255)
*/
private $description;
/**
* @var string
*
* @ORM\Column(name="keywords", type="string", length=255)
*/
private $keywords;
/**
* @ORM\ManyToOne(targetEntity="George\UserBundle\Entity\User", inversedBy="pages")
* @ORM\JoinColumn(onDelete="CASCADE")
*/
private $owner;
//@ORM\Column(length=128, unique=true)
/**
* @Gedmo\Slug(fields={"title"})
* @ORM\Column(length=128, unique=true)
*/
private $slug;
/**
* Get id
*
* @return integer
*/
public function getId()
{
return $this->id;
}
/**
* Set title
*
* @param string $title
*
* @return Page
*/
public function setTitle($title)
{
$this->title = $title;
return $this;
}
/**
* Get title
*
* @return string
*/
public function getTitle()
{
return $this->title;
}
/**
* Set content
*
* @param string $content
*
* @return Page
*/
public function setContent($content)
{
$this->content = $content;
return $this;
}
/**
* Get content
*
* @return string
*/
public function getContent()
{
return $this->content;
}
/**
* Set visible
*
* @param boolean $visible
*
* @return Page
*/
public function setVisible($visible)
{
$this->visible = $visible;
return $this;
}
/**
* Get visible
*
* @return boolean
*/
public function getVisible()
{
return $this->visible;
}
/**
* Set created
*
* @param \DateTime $created
*
* @return Page
*/
public function setCreated($created)
{
$this->created = $created;
return $this;
}
/**
* Get created
*
* @return \DateTime
*/
public function getCreated()
{
return $this->created;
}
/**
* Set modefied
*
* @param \DateTime $modefied
*
* @return Page
*/
public function setModefied($modefied)
{
$this->modefied = $modefied;
return $this;
}
/**
* Get modefied
*
* @return \DateTime
*/
public function getModefied()
{
return $this->modefied;
}
/**
* Set description
*
* @param string $description
*
* @return Page
*/
public function setDescription($description)
{
$this->description = $description;
return $this;
}
/**
* Get description
*
* @return string
*/
public function getDescription()
{
return $this->description;
}
/**
* Set keywords
*
* @param string $keywords
*
* @return Page
*/
public function setKeywords($keywords)
{
$this->keywords = $keywords;
return $this;
}
/**
* Get keywords
*
* @return string
*/
public function getKeywords()
{
return $this->keywords;
}
/**
* @return mixed
*/
public function getOwner()
{
return $this->owner;
}
/**
* @param mixed $owner
*/
public function setOwner(User $owner)
{
$this->owner = $owner;
}
public function getSlug()
{
return $this->slug;
}
// ..... other fields
/**
* NOTE: This is not a mapped field of entity metadata, just a simple property.
*
* @Vich\UploadableField(mapping="product_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;
/**
* If manually uploading a file (i.e. not using Symfony Form) ensure an instance
* of 'UploadedFile' is injected into this setter to trigger the update. If this
* bundle's configuration parameter 'inject_on_load' is set to 'true' this setter
* must be able to accept an instance of 'File' as the bundle will inject one here
* during Doctrine hydration.
*
* @param File|\Symfony\Component\HttpFoundation\File\UploadedFile $image
*/
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 File
*/
public function getImageFile()
{
return $this->imageFile;
}
/**
* @param string $imageName
*/
public function setImageName($imageName)
{
$this->imageName = $imageName;
}
/**
* @return string
*/
public function getImageName()
{
return $this->imageName;
}
}
你能告诉我什么是最好的解决方案。我认为这将是最好的，如果我有一个方法删除图像，并在该方法尝试使用捆绑生成功能删除图像（我没有找到任何地方），并在数据库中更新它。在前端，这可以不通过ajax或提交...是否有一个在vichuploadbundle文件中删除功能的构建？