rails 3渲染json并包含数组中的profile

Question

所有用户都有一个个人资料。

目前有：

render :json => @user, :include => [:friends, :requested_friends]

想要为朋友和所请求的朋友添加个人资料。

我知道单个包含我可以使用此

render :json => @user, :include => {:requested_friends => {:include => :profile}}

但需要像：

render :json => @user, :include => {[:friends, :requested_friends] => {:include => :profile}}

Answer 1

怎么样：

render :json    => @user,
       :include => {
           :requested_friends => { :include => :profile },
           :friends           => { :include => :profile }
       }