商品ID管理

app/models/product.rb

@@ -10,6 +10,7 @@ class Product < ActiveRecord::Base
     validates  :product_no,:name,:buy_price,:price,:category_id,:count,:robo_balance_price,:relate_product_id, presence: true
     validate :product_validation
     validates :id, presence: true, uniqueness: true
+    validates_numericality_of :pv ,:only_integer => true,:greater_than_or_equal_to => 0, :less_than => 100
 
 
     def product_validation