我什么时候应该在Rails中创建命名路由？

Question

I'm confused by Rails 3 resource routes. I have following line in my routes.rb

resources :dungeons, only: [ :index, :destroy, :create, :update, :show ]

When I inspect what named routes are create with rake routes , I get:

dungeons GET    /dungeons(.:format)                                    dungeons#index
         POST   /dungeons(.:format)                                    dungeons#create
 dungeon GET    /dungeons/:id(.:format)                                dungeons#show
         PUT    /dungeons/:id(.:format)                                dungeons#update
         DELETE /dungeons/:id(.:format)                                dungeons#destroy

Why are there only named routes for the routes with a http get method? If I want to create a link to the destroy action, I have to use something like { :action => 'destroy', :method => :delete, :id => dungeon.id } instead of simply destroy_dungeon_path( dungeon ) . Is there something wrong with my routes.rb ?

Answer 1

Nothing wrong with your routes file. This is the destroy route: dungeon_path(id)

You have to send a DELETE request to trigger it. The show, update and destroy got the same named_route, the only thing what is different is the type of Request (GET for show, PUT for update or DELETE for destroy)

Here everything you need to know routing in Rails3: http://guides.rubyonrails.org/routing.html