Whats New in Edge Rails: Mime::Type Convenience Methods

在需要知道request的mine类型的时候，可以使用一些新加入的方法方便的来做：

ruby 代码

 class MyController < ApplicationController

  # Toggle authentication method based on request type
  before_filter do |c|
    c.use_session_auth if c.request.format.html?
    c.use_token_auth if c.request.format.xml?
  end

end

class MyController < ApplicationController

  # Turn off sessions for all non-html requests
  sessions :off, :if => Proc.new { |request| not request.format.html? }

end


 # Because I think we all agree I deserve my own mime-type
Mime::Type.register "text/ryan", :ryan

class MyController < ApplicationController

  # Turn off sessions for all ryan requests
  sessions :off, :if => Proc.new { |request| request.format.ryan? }

end

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• 2007-08-20 18:03
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