Rails 3.0.0 RC ActionController :: RoutingError“没有路由匹配”

时间：2010-07-27 04:11:48

标签： ruby-on-rails-3

有一个使用Rails 3.0.0beta4的工作应用程序，刚刚更新到RC。得到一个新的奇怪错误。出于某种原因，当我尝试：

  <%= link_to "test", user %>

用户被路由为资源：用户却抱怨没有“action =＆gt; destroy”的路由，尽管我甚至没有尝试链接到destroy：

  ActionController::RoutingError in Main#index
  No route matches {:action=>"destroy", :controller=>"users", :id=>#<User...>}

供参考我正在使用 ruby 1.8.7（2009-06-12 patchlevel 174）[universal-darwin10.0]

路线很简单：

    resources :users

运行rake路由会返回正确的内容：

                           GET    /users/:id(.:format)                                {:controller=>"users", :action=>"show"}
                           PUT    /users/:id(.:format)                                {:controller=>"users", :action=>"update"}
                      user DELETE /users/:id(.:format)                                {:controller=>"users", :action=>"destroy"}
                 edit_user GET    /users/:id/edit(.:format)                           {:controller=>"users", :action=>"edit"}

我为用户生成了一个带脚手架的testrails应用程序，它工作正常，所以必须在这里完整跟踪。我很难过...... 

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script/rails:6

可能来自这些提交吗？ http://github.com/rails/rails/commit/a1e795f554e07476f1084a0c76cb8b033d1d0b0c

非常感谢帮助！

3 个答案:

答案 0 :(得分：2)

好的继承人。我调查了相应的代码，它是由两件事引起的。问题实际上是因为我的to_param设置如下：

def to_param
  id + '/' + title.parameterize
end

我需要保持与非rails应用程序中的旧URL的兼容性，因此'/'而不是通常 - 。

修复方法是将'/'替换为'％2F'

相关提交：http://github.com/rails/rails/commit/622092d33e8d326217ab1ed6138e2c572c95b8ba

答案 1 :(得分：0)

你遇到的问题是'/'是路线中的分隔符，所以为了匹配你需要你的路线看起来像

match 'users/:id/:slug', :to=>"users#show"

或者，或者如你所说的那样将'/'转义为'％2F'

答案 2 :(得分：0)

我试过这个并在Rails 3中为我工作：

match "/:login" => "users#show_by_login", :as => 'show_user', :constraints => {:login => /.*/}
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