尝试从命名空间"ApplicationMediaBundleEntity"加载类"Media"

Question

我想添加一个个人资料图片到我的管理类，但我得到了这个错误:

试图从命名空间"Application mediabundance Entity"加载类"Media"。你是不是忘记用use了?"Sonata medi丰ModelMedia"、"Sonata medi丰TestsEntityMedia"、"Sonata medi丰TestsDocumentMedia"或"Sonata medi丰TestsPHPCRMedia"?

我搜索了很多，但没有解决方案。这是我的代码

用户实体

>  /**
>      * @var ApplicationSonataMediaBundleEntityMedia
>      * @ORMManyToOne(targetEntity="ApplicationSonataMediaBundleEntityMedia",
> cascade={"persist"}, fetch="LAZY")
>      */
>     protected $media;
> 
>     /**
>      * Set media
>      *
>      * @param ApplicationSonataMediaBundleEntityMedia $media
>      * @return User
>      */
>     public function setMedia(ApplicationSonataMediaBundleEntityMedia $media = null)
>     {
>         $this->media = $media;
> 
>         return $this;
>     }
> 
>     /**
>      * Get media
>      *
>      * @return ApplicationSonataMediaBundleEntityMedia
>      */
>     public function getMedia()
>     {
>         return $this->media;
>     }

用户管理

 /**
     * @param SonataAdminBundleFormFormMapper $formMapper
     *
     * @return void
     */
    protected function configureFormFields(FormMapper $formMapper)
    {
        $formMapper
            ->with('General')
            ->add('username')
            ->add('email')
            ->add('enabled')
            ->add('firstname')
            ->add('lastname')
            ->add('plainPassword', 'password', array(
                'required' => (!$this->getSubject() || is_null($this->getSubject()->getId())),
            ))
            ->add('media', 'sonata_media_type', array('provider' => 'sonata.media.provider.image', 'context' => 'engine', 'data_class' => 'ApplicationSonataMediaBundleEntityMedia', 'required' => false))
            ->end();
    }

config.yml

# app/config/config.yml
sonata_media:
    class:
        media: ApplicationMediaBundleEntityMedia
        gallery: ApplicationMediaBundleEntityGallery
        gallery_has_media: ApplicationMediaBundleEntityGalleryHasMedia
    # if you don't use default namespace configuration
    #class:
    #    media: MyVendorMediaBundleEntityMedia
    #    gallery: MyVendorMediaBundleEntityGallery
    #    gallery_has_media: MyVendorMediaBundleEntityGalleryHasMedia
    db_driver: doctrine_orm # or doctrine_mongodb, doctrine_phpcr it is mandatory to choose one here
    default_context: default # you need to set a context
    contexts:
        default:  # the default context is mandatory
            providers:
                - sonata.media.provider.dailymotion
                - sonata.media.provider.youtube
                - sonata.media.provider.image
                - sonata.media.provider.file
                - sonata.media.provider.vimeo
            formats:
                small: { width: 100 , quality: 70}
                big:   { width: 500 , quality: 70}
        # other contexts here
        engine:
            providers:
                - sonata.media.provider.image
            formats:
                preview:   { width: 100, quality: 100}
                small:     { width: 200, quality: 100}
                large:     { width: 600, quality: 100}
    cdn:
        server:
            path: /uploads/media # http://media.sonata-project.org/
    filesystem:
        local:
            directory:  "%kernel.root_dir%/../web/uploads/media"
            create:     false
    providers:
        image:
            resizer: sonata.media.resizer.square
doctrine:
    orm:
        entity_managers:
            default:
                mappings:
                    FOSUserBundle: ~
                    SonataMediaBundle: ~
    dbal:
        types: #this is about this line and line below
            json:     DoctrineDBALTypesStringType
doctrine_phpcr:
    odm:
        auto_mapping: true
        mappings:
            SonataMediaBundle:
                prefix: SonataMediaBundlePHPCR

这是教程有什么帮助吗?

Answer 1

问题在配置文件config.yml

> sonata_media:
>     class:
>         media: ApplicationSonataMediaBundleEntityMedia
>         gallery: ApplicationSonataMediaBundleEntityGallery
>         gallery_has_media: ApplicationSonataMediaBundleEntityGalleryHasMedia
>         category:   ApplicationSonataClassificationBundleEntityCategory