类ProfilePresenter <ActionView :: Base | url_for不起作用。 为什么？

Question

class ProfilePresenter < ActionView::Base 
 def initialize
  super
  url_for   # i got: You have a nil object when you didn't expect it!
            #        The error occurred while evaluating nil.url_for
 end
end

url_for doesn't work. why?

i make a new instance like this

ProfilePresenter.new

Answer 1

求助：我需要在实例ActionView :: Base时传递控制器实例