Rails中只有一个特定页面的不同布局

Question

我希望在我的Rails应用中只为一个特定操作设置不同的布局。我该怎么做？

Answer 1

# controller that calls the page
def action
  render :layout => 'other'
end

Answer 2

class MyController < ApplicationController
  layout "special", :only => :action

  def action
    #action code
  end
end

Answer 3

 layout :resolve_layout

  .
  .
  .
     private   
      def resolve_layout
       case action_name
         when "new"
          "alternate"
         else 
          "application"
         end
      end