商品ID管理

app/models/product.rb

@@ -306,7 +306,12 @@ class Product < ActiveRecord::Base
             field :updated_at
         end
 
-        edit do 
+        edit do
+            field :id do
+                read_only do
+                    bindings[:object].id>0
+                end
+            end
             field :name
             field :ptype, :enum do
               enum do