ruby on rails skip_before_action对我的应用程序没有任何影响

Question

我想在application_controller.rb中使用before_action，然后使用一些skip_before_action来防止在用户登录之前调用某些网站。

但我的application_controller.erb中定义的函数未被调用...

application_controller.erb

class ApplicationController < ActionController::Base
  # Prevent CSRF attacks by raising an exception.
  # For APIs, you may want to use :null_session instead.
  protect_from_forgery with: :exception

  layout "application"

  before_action :user_logged_in, :set_locale

  private

  def set_locale
     I18n.locale = params[:locale] || I18n.default_locale
  end

  # Prüft ob ein Nutzer eingeloggt ist.
  def user_logged_in

    puts "HA"

    if session[:user_id].nil?
      flash[:error] = "error"
      redirect_to :controller => :startsites, :action => :index
    else
      flash[:error] = "ok"
      redirect_to :controller => :startsites, :action => :index
    end

  end
end

我的服务器控制台中未打印user_logged_in中的“HA”。所以我觉得这个功能还没有调用..但为什么呢？

在某些控制器中，我试图使用它：

class MoviesController < ActionController::Base
    skip_before_action :user_logged_in, only: [:index, :show]
also not working ... why?

非常感谢你的帮助。

Answer 1

您正试图通过ActionController致电。当你建造它时，它不可能那样。

 ActionController::Base
  -ApplicationController #your method in this controller

 ActionController::Base
  -MoviesController #yr trying to skip it right here

要跳过它，你必须继承如下：

ActionController::Base
 -ApplicationController #yr method is here
  --MoviesController #it will find that method and skip it.

<强>控制器

# application_controller.rb
class ApplicationController < ActionController::Base
end


# movies_controller.rb
class MoviesController < ApplicationController
end