Symfony2: EasyAdminbundle + StofDoctrineExtensionsBundle + VichUploaderBundle

Question

我有一个使用EasyAdminBundle进行管理的项目。在一个名为"Post“的实体中，我有字段"title”、"image“和"post”，我希望跟踪它们的变化。属性" image“只存储镜像的文件名--整个上传过程由VichUploaderBundle管理。

如何/在哪里才能确保旧的图像文件在更改时不会被删除，因为它将用于历史记录？

Answer 1

在定义映射时，有一种方法可以告诉VichUploaderBundle它不应该自动删除旧文件：

下面是取自捆绑包文档的示例映射配置：

vich_uploader:
    db_driver: orm
    mappings:
        product_image:
            uri_prefix:         /images/products
            upload_destination: %kernel.root_dir%/../web/images/products
            inject_on_load:     false
            # this prevents the file from being deleted on update
            delete_on_update:   false
            # this prevents the file from being deleted when the
            # entity itself is deleted
            delete_on_remove:   true