增加商品属性定义

app/models/product_attr.rb

@@ -2,7 +2,6 @@ class ProductAttr < ActiveRecord::Base
     has_paper_trail
     self.table_name = 'product_attrs'
     has_ancestry
-    has_many :product_attr_keys, :foreign_key => :attr_key_id
     validates :name,presence:true
     
     rails_admin do
@@ -15,22 +14,22 @@ class ProductAttr < ActiveRecord::Base
         })
 
         list do 
-            filters [:name,:product_attr_key]
+            filters [:name,:attr_key_id]
             field :id
-            field :product_attr_key
+            field :attr_key_id
             field :name 
             field :recommend
         end
 
         show do
             field :id
-            field :product_attr_key
+            field :attr_key_id
             field :name
             field :recommend
         end
 
         edit do 
-            field :product_attr_key
+            field :attr_key_id
             field :name
             field :recommend
         end