https://ruby-china.org/doruby en-us <p>has_many 的 source_type 可以是多个吗？</p> <p>和 stackoverflow 上这位仁兄一样的疑问，但没看到回答 <strong>ruby on rails polymorphic has_many relationship - more than one :source_type?</strong> <a href="http://stackoverflow.com/questions/11458536/ruby-on-rails-polymorphic-has-many-relationship-more-than-one-source-type" rel="nofollow" target="_blank">http://stackoverflow.com/questions/11458536/ruby-on-rails-polymorphic-has-many-relationship-more-than-one-source-type</a></p> doruby Thu, 31 Jan 2013 03:52:52 +0800 https://ruby-china.org/topics/8506 https://ruby-china.org/topics/8506