class ProductAttr < ActiveRecord::Base has_paper_trail self.table_name = 'product_attrs' belongs_to :product_attr_key, :foreign_key => :attr_key_id validates :name,:product_attr_key,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,:product_attr_key] field :id field :product_attr_key field :name field :recommend field :status end show do field :id field :product_attr_key field :name field :recommend field :status end edit do field :product_attr_key field :name field :recommend field :status end end end