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我想sanitize在控制器内打电话.这是我试过的:

class FooController < ApplicationController
  include ActionView::Helpers::SanitizeHelper
  # ...
end

但是,我收到此错误:

undefined method `white_list_sanitizer' for FooController:Class

我四处搜索,人们建议将include行切换为include ActionView::Helpers,但这会导致此错误:

undefined method `url_for' for nil:NilClass

什么是正确的打电话方式sanitize？我正在使用Rails 2.3.5.