2

ルートの代わりにUUIDを使用したいID標準ID。これは機能します：

# UUIDs are used for ids
UUID_regex = /([a-z0-9]){8}-([a-z0-9]){4}-([a-z0-9]){4}-([a-z0-9]){4}-([a-z0-9]){12}/
resources :posts, :only => [:index, :show, :create], :constraints => {:id => UUID_regex}

つまり、Railsは問題なく受け入れ/posts/fb0f7c67-6f9b-4e2c-a26b-7700bb9b334dます。

しかし、私がこのようにそれらを入れ子にし始めると、

# UUIDs are used for ids
UUID_regex = /([a-z0-9]){8}-([a-z0-9]){4}-([a-z0-9]){4}-([a-z0-9]){4}-([a-z0-9]){12}/
resources :posts, :only => [:index, :show, :create], :constraints => {:id => UUID_regex} do
  resources :comments, :only => [:create, :destroy], :constraints => {:id => UUID_regex}
end

Railsは文句を言い始めます：No route matches [POST] "/post/fb0f7c67-6f9b-4e2c-a26b-7700bb9b334d/comments"

私は何が欠けていますか？

事前にThx。

注：私はRails3.2.2とruby1.9.3を使用しています。rake routesは：

post_comments POST   /posts/:post_id/comments(.:format)     comments#create {:id=>/([a-z0-9]){8}-([a-z0-9]){4}-([a-z0-9]){4}-([a-z0-9]){4}-([a-z0-9]){12}/, :post_id=>/([a-z0-9]){8}-([a-z0-9]){4}-([a-z0-9]){4}-([a-z0-9]){4}-([a-z0-9]){12}/}
post_comment  DELETE /posts/:post_id/comments/:id(.:format) comments#destroy {:id=>/([a-z0-9]){8}-([a-z0-9]){4}-([a-z0-9]){4}-([a-z0-9]){4}-([a-z0-9]){12}/, :post_id=>/([a-z0-9]){8}-([a-z0-9]){4}-([a-z0-9]){4}-([a-z0-9]){4}-([a-z0-9]){12}/}
       posts  GET    /posts(.:format)                       posts#index {:id=>/([a-z0-9]){8}-([a-z0-9]){4}-([a-z0-9]){4}-([a-z0-9]){4}-([a-z0-9]){12}/}
              POST   /posts(.:format)                       posts#create {:id=>/([a-z0-9]){8}-([a-z0-9]){4}-([a-z0-9]){4}-([a-z0-9]){4}-([a-z0-9]){12}/}
        post  GET    /posts/:id(.:format)                   posts#show {:id=>/([a-z0-9]){8}-([a-z0-9]){4}-([a-z0-9]){4}-([a-z0-9]){4}-([a-z0-9]){12}/}
4

2 に答える 2

3

私の知る限り、親ルートに制約を設定すると、子ルートはそのフィールドの制約を継承します。したがって、私の理解は次のとおりです。

UUID_regex = /([a-z0-9]){8}-([a-z0-9]){4}-([a-z0-9]){4}-([a-z0-9]){4}-([a-z0-9]){12}/
resources :posts, :only => [:index, :show, :create], :constraints => {:id => UUID_regex} do
  resources :comments, :only => [:create, :destroy]
end

十分なものです。そうではありませんか？私のアプリはまだ3.1/1.9.2であるため、3.2アプリではテストしていません。

于 2012-06-15T20:39:30.470 に答える
1

UUIDは16進数を使用するため、azをafに締める必要があります。また、16進数では大文字と小文字が区別されないため、「C」と「c」はどちらも有効な数字です。私は以下を使用します：

UUID_regex = /[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}/

于 2013-11-10T13:02:41.877 に答える