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我正在解决一个设计问题，但我就是想不通。

我在我的 Registrations 控制器中定义了一个新的更新方法，其开头为：

class RegistrationsController < Devise::RegistrationsController
def update
    debugger
    @user = session[:registered_as] 
    logger.info "user: #{@user}"
    @user = User.find(current_user.id)
... (lots of other stuff here ) ...

def create
    build_resource
    logger.debug "I'm creating a new user "

    if resource.save
    ....

我称之为两种形式。一个人发布创建表单（有效），然后我像这样调用更新表单：

<%= simple_form_for(session[:registered_as], :as => resource_name, :url => update_user_registration_path(resource_name), :html => { :method => :put, :class => 'form-vertical' }) do |f| %>

我无法理解的是，无论我做什么，对 create 函数的请求都会转到我的重写函数，而 update_user_registration 方法不会路由到我的新控制器，而是路由到原始的 Devise 控制器。（即，当我使用 启动服务器时rails -s --debug，执行 RegistrationsController#update 时永远不会调用调试器）。

日志输出如下。请注意，新 #create 方法中的记录器语句在那里，但调试器不存在：

Processing by RegistrationsController#create as */*
Parameters: {"user"=>{"email"=>"adfas@ljljla.com"}}
I'm creating a new user 
(0.1ms)  begin transaction
.... 
Reason Load (0.1ms)  SELECT "reasons".* FROM "reasons" 
Rendered devise/registrations/_thankyou.html.erb (22.2ms)
Completed 200 OK in 45ms (Views: 30.8ms | ActiveRecord: 2.6ms)

Started PUT "/user/registration.user" for 127.0.0.1 at 2013-08-20 18:11:34 -0700
Processing by Devise::RegistrationsController#update as 
Parameters: {"utf8"=>"✓", "authenticity_token"=>"0kzemeZYdnDQdV+jQJCE+tvwprPBXKZi/R9wbjsHYds=", "user"=>{"reason_id"=>"1"}, "commit"=>"Record Your Reason"}
Completed 401 Unauthorized in 1ms

路由文件是：

authenticated :user do
   root :to => 'home#index'
 end
devise_scope :user do
 root :to => "devise/registrations#new"
 match '/user/registration' => 'devise/registrations#update', :via => :put, :as => :update_user_registration
 match '/user/confirmation' => 'confirmations#update', :via => :put, :as => :update_user_confirmation
end
devise_for :users, :controllers => { :registrations => "registrations", :confirmations => "confirmations" }
match 'users/bulk_invite/:quantity' => 'users#bulk_invite', :via => :get, :as => :bulk_invite
resources :users do
   get 'invite', :on => :member
 end
end

更新：我意识到我没有解释真正的怪异之处。解释了某些东西会传递给原始控制器，而其他东西不会。

有人对我在这里做错了什么有任何想法吗？

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