EasyAdminBundle实体表单字段自定义

Question

我试图在编辑表单中只创建一个标准的“created_at”字段。继the doc你必须添加以下配置：

MyEntity: 
     form: 
      fields: 
       - { property: 'created_at', type_options: { widget: 'single_text' } } 

但它引发以下错误：

An Exception was thrown while handling: The option "widget" does not exist. Defined options are: "action", "allow_extra_fields"... 

有什么明显的添加/修改？

Answer 1

如果你想使字段只读的，你应该使用“已禁用”选项：

MyEntity: 
    form: 
     fields: 
      - { property: 'created_at', type_options: { disabled: true } } 

如果这不适合你，你可以尝试明确设置表单类型？

MyEntity: 
    form: 
     fields: 
      - { property: 'created_at', type: 'datetime', type_options: { widget: 'single_text' } }