class ProductAttr < ActiveRecord::Base has_paper_trail self.table_name = 'product_attrs' has_ancestry validates :name,presence:true rails_admin do navigation_label '商品管理' weight -250 parent ProductAttrKey nestable_tree({ position_field: :position, max_depth: 2 }) list do filters [:name,:attr_key_id] field :id field :attr_key_id field :name field :recommend end show do field :id field :attr_key_id field :name field :recommend end edit do field :attr_key_id field :name field :recommend end end end