我在我的应用程序中使用 devise 和 cancan。两者都在工作。
我有一个User模型，我刚刚添加（使用脚手架）一个名为Purchase.
在添加购买模型之前，我还有一个仪表板控制器（目前只显示一个页面，dashboard#show）并且是登录后加载的页面localhost:3000/dashboard
当用户未登录时，我可以访问localhost:3000/purchases. 但是当用户登录时我不能。我可以访问purchase/1但不能/purchases。
知道这里发生了什么吗？它给我的错误是
"没有路线匹配 {:action=>"show", :controller=>"dashboard"}"
仪表板控制器
class DashboardController < ApplicationController
def show
@user = User.find(params[:id])
authorize! :read, @user
end
end
路由.rb
App::Application.routes.draw do
root :to => 'static_pages#index'
match '/about', :to => 'static_pages#about'
match '/error', :to => 'static_pages#error'
devise_for :users
resources :users
resources :dashboard
resource :visitors, :only => :create # POST to visitor_path to create a visitor
resources :purchases
耙子路线
root / static_pages#index
about /about(.:format) static_pages#about
error /error(.:format) static_pages#error
new_user_session GET /users/sign_in(.:format) devise/sessions#new
user_session POST /users/sign_in(.:format) devise/sessions#create
destroy_user_session DELETE /users/sign_out(.:format) devise/sessions#destroy
user_password POST /users/password(.:format) devise/passwords#create
new_user_password GET /users/password/new(.:format) devise/passwords#new
edit_user_password GET /users/password/edit(.:format) devise/passwords#edit
PUT /users/password(.:format) devise/passwords#update
cancel_user_registration GET /users/cancel(.:format) devise/registrations#cancel
user_registration POST /users(.:format) devise/registrations#create
new_user_registration GET /users/sign_up(.:format) devise/registrations#new
edit_user_registration GET /users/edit(.:format) devise/registrations#edit
PUT /users(.:format) devise/registrations#update
DELETE /users(.:format) devise/registrations#destroy
users GET /users(.:format) users#index
POST /users(.:format) users#create
new_user GET /users/new(.:format) users#new
edit_user GET /users/:id/edit(.:format) users#edit
user GET /users/:id(.:format) users#show
PUT /users/:id(.:format) users#update
DELETE /users/:id(.:format) users#destroy
dashboard_index GET /dashboard(.:format) dashboard#index
POST /dashboard(.:format) dashboard#create
new_dashboard GET /dashboard/new(.:format) dashboard#new
edit_dashboard GET /dashboard/:id/edit(.:format) dashboard#edit
dashboard GET /dashboard/:id(.:format) dashboard#show
PUT /dashboard/:id(.:format) dashboard#update
DELETE /dashboard/:id(.:format) dashboard#destroy
visitors POST /visitors(.:format) visitors#create
purchases GET /purchases(.:format) purchases#index
POST /purchases(.:format) purchases#create
new_purchase GET /purchases/new(.:format) purchases#new
edit_purchase GET /purchases/:id/edit(.:format) purchases#edit
purchase GET /purchases/:id(.:format) purchases#show
PUT /purchases/:id(.:format) purchases#update
DELETE /purchases/:id(.:format) purchases#destroy