我有两个实体:Product
和Image
,许多产品可以有许多因此,这将生成第三个表ProductHasImages
。实体是对的as doctrine:schema:validate
命令输出:
Symfony > doctrine:schema:validate
[Mapping] OK - The mapping files are correct.
[Database] FAIL - The database schema is not in sync with the current
mapping file.
The command terminated with an error status (2)
我已经把这几行添加到我的config.yml
:
services:
tan.common.admin.image:
class: Tan'CommonBundle'Admin'ImageAdmin
tags:
- { name: sonata.admin, manager_type: orm, label: "Imagenes",
show_in_dashboard: false }
arguments: [null, Tan'CommonBundle'Entity'Image, null]
我已经创建了文件Tan'CommonBundle'Admin'ImageAdmin.php
与以下内容:
<?php
namespace Tan'CommonBundle'Admin;
use Sonata'AdminBundle'Admin'Admin;
use Sonata'AdminBundle'Form'FormMapper;
class ImageAdmin extends Admin
{
protected function configureFormFields(FormMapper $formMapper)
{
$formMapper->add('file', 'file', array('required' => false));
}
public function prePersist($image)
{
$this->manageFileUpload($image);
}
public function preUpdate($image)
{
$this->manageFileUpload($image);
}
private function manageFileUpload($image)
{
if ($image->getFile()) {
$image->refreshUpdated();
}
}
}
现在我正试图将image
字段添加到ProductAdmin.php
,如下所示:
protected function configureFormFields(FormMapper $form)
{
$form
->add('product_name', null, array('label' => 'Nombre'))
->add('product_description', null, array('label' => 'Descripción'))
->add('image', 'sonata_type_admin', array('delete' => false));
}
但是每当我尝试添加一个新产品时,我都会得到这个错误:
当前字段
image
没有链接到管理员。请创建一个对于目标实体:' '
为什么?我做错了什么?
对于sonata管理中最好的文件使用 Sonata Media Bundle
来处理上传,您可以在您的不同管理中重用它们,一旦您配置了,那么您的映射将是
- 产品
- ProductHasImages
现在Products
实体将有一个映射到ProductHasImages
,它可以指向许多图像(来自sonata媒体包的媒体文件)类似于
/**
* @Assert'NotBlank()
* @ORM'OneToMany(targetEntity="Namespace'YourBundle'Entity'ProductHasImages", mappedBy="productImages",cascade={"persist","remove"} )
*/
protected $images;
other fields ...
生成getter和setter方法
removeImages()
getImages()
setImages()
addImages()
现在你的连接实体(ProductHasImages
)将有两个映射指向Products
另一个指向Sonata Media
/**
* @var 'Application'Sonata'MediaBundle'Entity'Media
* @Assert'NotBlank()
* @ORM'ManyToOne(targetEntity="Application'Sonata'MediaBundle'Entity'Media", cascade={"persist"}, fetch="LAZY")
* @ORM'JoinColumn(name="media_id", referencedColumnName="id")
*/
protected $media;
/**
* @var 'Namespace'YourBundle'Entity'Products
* @Assert'NotBlank()
* @ORM'ManyToOne(targetEntity="Namespace'YourBundle'Entity'Products", cascade={"persist","remove"} ,inversedBy="images", fetch="LAZY" )
* @ORM'JoinColumn(name="product_id", referencedColumnName="id",nullable=true)
*/
protected $productImages;
生成getter和setter
现在为ProductHasImages
创建Admin类
在configureFormFields
函数
$formMapper->add('media', 'sonata_type_model_list', array('required' => false), array(
'link_parameters' => $link_parameters
)); //other fields too if you want to show in collection
在Product Admin类中添加这个字段
->add('images', 'sonata_type_collection', array(
'cascade_validation' => false,
'type_options' => array('delete' => false),
), array(
'edit' => 'inline',
'inline' => 'table',
'sortable' => 'position',
'link_parameters' => array('context' => 'default'),
'admin_code' => 'sonata.admin.product_has_images'
/*here provide service name for junction admin
like service code for admin defined for ProductHasImages */
)
)
你可以在这里找到完整的代码演示 Git Hub