如何找出用户名

时间:2013-05-26 12:40:41

标签: ruby-on-rails

我有这个设置:

class User < ActiveRecord::Base
  has_many :posts, :dependent => :destroy  
  has_many :comments, :through => :posts
end

class Post < ActiveRecord::Base
  belongs_to :user
  has_many :comments
end

class Comment < ActiveRecord::Base
  belongs_to :post
end

如何获取发表评论的用户名?

2 个答案:

答案 0 :(得分:1)

您缺少评论所属者与用户关联:

class Comment < ActiveRecord::Base
  belongs_to :post
  belongs_to :user
end

这样你可以很容易地获取评论员:

@comment.user

答案 1 :(得分:0)

您可以使用委托

class Comment < ActiveRecord::Base
  belongs_to :post

  delegate :user, to :post
end

然后在您的代码中,您可以访问

@comment.user