2013年2月22日
Rail's Polymorphic Associations
摘要： 英文原文：http://robots.thoughtbot.com/post/159809241/whats-the-deal-with-rails-polymorphic-associations 1 class Person < ActiveRecord::Base 2 3 has_one :address, :as => :addressable 4 5 end 6 7 class Company < ActiveRecord::Base 8 9 has_one :address, :as => :addressable10 11 end12 13 class A 阅读全文
posted @ 2013-02-22 17:35 AngeloQ 阅读(933) 评论(0) 推荐(0)