在使OneToMany关系发挥作用时遇到一些严重问题。尝试添加＆＃34;儿童＆＃34;时会发生错误。在索纳塔管理员的美女。
使用：
Symfony2的 教义 奏鸣曲管理员
和
http://sonata-project.org/bundles/doctrine-orm-admin/2-2/doc/reference/form_field_definition.html
错误：
＆＃34; CRITICAL - 未捕获的PHP异常 Doctrine \ ORM \ ORMInvalidArgumentException：＆＃34;找到了一个新实体 通过关系 ＆＃39;美化\ BeautiesBundle \实体\美容＃儿童＆＃39;那不是 配置为级联实体的持久化操作： 美化\ BeautiesBundle \实体\儿童@ 000000000eff91d5000000017f8ca53b。 解决此问题：显式调用EntityManager＃persist（）on 这个未知的实体或配置级联持久存在此关联 映射例如@ManyToOne（..，cascade = {＆＃34; persist＆＃34;}）。如果你 无法找出导致问题实施的实体 ＆＃39;美化\ BeautiesBundle \实体\儿童#__的toString（）＆＃39;得到一个线索。＆＃34; 在 /Users/gmf/symfony/vendor/doctrine/orm/lib/Doctrine/ORM/ORMInvalidArgumentException.php 91行＆＃34;
。
BeautyAdmin.php
<?php
// src/Beautify/BeautiesBundle/Admin/BeautyAdmin.php
namespace Beautify\BeautiesBundle\Admin;
use Sonata\AdminBundle\Admin\Admin;
use Sonata\AdminBundle\Datagrid\ListMapper;
use Sonata\AdminBundle\Datagrid\DatagridMapper;
use Sonata\AdminBundle\Form\FormMapper;
use Knp\Menu\ItemInterface as MenuItemInterface;
use Beautify\CategoryBundle\Entity\Category;
use Beautify\CategoryBundle\Entity\Children;
class BeautyAdmin extends Admin
{
// Fields to be shown on create/edit forms
protected function configureFormFields(FormMapper $formMapper)
{
$formMapper
->with('General')
->add('name', 'text', array('label' => 'Name'))
->add('content', 'textarea', array('label' => 'Content'))
->add('imageFile', 'file', array('label' => 'Image file', 'required' => false))
->end()
->with('Category')
->add('category', 'sonata_type_model', array('expanded' => true))
->end()
->with('Children')
->add('children', 'sonata_type_collection', array(), array(
'edit' => 'inline',
'inline' => 'table',
'sortable' => 'position'
))
->end()
;
}
// Fields to be shown on filter forms
protected function configureDatagridFilters(DatagridMapper $datagridMapper)
{
$datagridMapper
->add('name')
->add('content')
->add('category')
;
}
// Fields to be shown on lists
protected function configureListFields(ListMapper $listMapper)
{
$listMapper
->addIdentifier('name')
->add('content')
->add('category')
->add('imageName')
->add('_action', 'actions', array(
'actions' => array(
'show' => array(),
'edit' => array(),
'delete' => array(),
)
))
;
}
}
Beauty.php实体
<?php
// src/Beautify/BeautiesBundle/Entity/Beauty.php
namespace Beautify\BeautiesBundle\Entity;
use Doctrine\ORM\Mapping as ORM;
use Symfony\Component\HttpFoundation\File\UploadedFile;
use Symfony\Component\HttpFoundation\File\File;
use Vich\UploaderBundle\Mapping\Annotation as Vich;
use Doctrine\Common\Collections\ArrayCollection;
/**
* @ORM\Entity
* @ORM\Table(name="beauties")
* @ORM\HasLifecycleCallbacks
* @Vich\Uploadable
*/
class Beauty
{
/**
* @ORM\OneToMany(targetEntity="Children", mappedBy="beauties")
**/
private $children;
public function __construct()
{
$this->children = new ArrayCollection();
}
/**
* @ORM\Column(type="integer")
* @ORM\Id
* @ORM\GeneratedValue(strategy="AUTO")
*/
protected $id;
/**
* @ORM\Column(type="string", length=100)
*/
protected $name;
/**
* @ORM\Column(type="text")
*/
protected $content;
/**
* @Vich\UploadableField(mapping="beauty_image", fileNameProperty="imageName")
* @var File $imageFile
*/
protected $imageFile;
/**
* @ORM\Column(type="string", length=255, nullable=true, name="image_name")
* @var string $imageName
*/
protected $imageName;
/**
* @ORM\ManyToOne(targetEntity="Category", inversedBy="beauties")
* @ORM\JoinColumn(name="category_id", referencedColumnName="id")
*/
protected $category;
/**
* 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
*/
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 $this->imageName;
}
public function __toString()
{
return ($this->getName()) ? : '';
}
/**
* Get id
*
* @return integer
*/
public function getId()
{
return $this->id;
}
/**
* Set name
*
* @param string $name
* @return Beauty
*/
public function setName($name)
{
$this->name = $name;
return $this;
}
/**
* Get name
*
* @return string
*/
public function getName()
{
return $this->name;
}
/**
* Set content
*
* @param string $content
* @return Beauty
*/
public function setContent($content)
{
$this->content = $content;
return $this;
}
/**
* Get content
*
* @return string
*/
public function getContent()
{
return $this->content;
}
/**
* Set category
*
* @param \Beautify\BeautiesBundle\Entity\Category $category
* @return Beauty
*/
public function setCategory(\Beautify\BeautiesBundle\Entity\Category $category = null)
{
$this->category = $category;
return $this;
}
/**
* Get category
*
* @return \Beautify\BeautiesBundle\Entity\Category
*/
public function getCategory()
{
return $this->category;
}
/**
* Set children
*
* @param \Beautify\BeautiesBundle\Entity\Children $children
* @return Beauty
*/
public function setChildren(\Beautify\BeautiesBundle\Entity\Children $children = null)
{
$this->children = $children;
return $this;
}
/**
* Get children
*
* @return \Beautify\BeautiesBundle\Entity\Children
*/
public function getChildren()
{
return $this->children;
}
/**
* Add children
*
* @param \Beautify\BeautiesBundle\Entity\Children $children
* @return Beauty
*/
public function addChild(\Beautify\BeautiesBundle\Entity\Children $children)
{
$this->children[] = $children;
return $this;
}
/**
* Remove children
*
* @param \Beautify\BeautiesBundle\Entity\Children $children
*/
public function removeChild(\Beautify\BeautiesBundle\Entity\Children $children)
{
$this->children->removeElement($children);
}
}
Children.php实体
<?php
namespace Beautify\BeautiesBundle\Entity;
use Doctrine\ORM\Mapping as ORM;
/**
* Children
*
* @ORM\Table(name="children")
* @ORM\Entity
*/
class Children
{
/**
* @ORM\ManyToOne(targetEntity="Beauty", inversedBy="children")
* @ORM\JoinColumn(name="beauty_id", referencedColumnName="id")
**/
private $beauties;
/**
* @var integer
*
* @ORM\Column(name="id", type="integer")
* @ORM\Id
* @ORM\GeneratedValue(strategy="AUTO")
*/
private $id;
/**
* @var string
*
* @ORM\Column(name="image", type="string", length=255)
*/
private $image;
/**
* @var string
*
* @ORM\Column(name="content", type="text")
*/
private $content;
/**
* @var integer
*
* @ORM\Column(name="priority", type="integer")
*/
private $priority;
/**
* @var integer
*
* @ORM\Column(name="parent_id", type="integer")
*/
private $parentId;
/**
* Get id
*
* @return integer
*/
public function getId()
{
return $this->id;
}
/**
* Set image
*
* @param string $image
* @return Children
*/
public function setImage($image)
{
$this->image = $image;
return $this;
}
/**
* Get image
*
* @return string
*/
public function getImage()
{
return $this->image;
}
/**
* Set content
*
* @param string $content
* @return Children
*/
public function setContent($content)
{
$this->content = $content;
return $this;
}
/**
* Get content
*
* @return string
*/
public function getContent()
{
return $this->content;
}
/**
* Set priority
*
* @param integer $priority
* @return Children
*/
public function setPriority($priority)
{
$this->priority = $priority;
return $this;
}
/**
* Get priority
*
* @return integer
*/
public function getPriority()
{
return $this->priority;
}
/**
* Set parentId
*
* @param integer $parentId
* @return Children
*/
public function setParentId($parentId)
{
$this->parentId = $parentId;
return $this;
}
/**
* Get parentId
*
* @return integer
*/
public function getParentId()
{
return $this->parentId;
}
/**
* Set beauties
*
* @param \Beautify\BeautiesBundle\Entity\Beauty $beauties
* @return Children
*/
public function setBeauties(\Beautify\BeautiesBundle\Entity\Beauty $beauties = null)
{
$this->beauties = $beauties;
return $this;
}
/**
* Get beauties
*
* @return \Beautify\BeautiesBundle\Entity\Beauty
*/
public function getBeauties()
{
return $this->beauties;
}
}
非常感谢任何帮助...
答案 0 :(得分：2)
错误说明了一切。你需要添加cascade =＆＃34; persist＆＃34;给孩子们的财产。
/**
* @ORM\OneToMany(targetEntity="Children", mappedBy="beauties", cascade={"persist"})
**/
private $children;