ruby-on-rails - Ruby on Rails : link_to action,没有路线匹配

Question

我正在进入Rails，并尝试从此处在博客设置中添加“投票”功能:http://guides.rubyonrails.org/getting_started.html

在app/controllers/posts_controller.rb中，我创建了以下代码:

  def incvotes
    @post = Post.find(params[:id])
    post.update_attributes(:upvotes => 1 )
    format.html { redirect_to(@post, :notice => 'Vote counted.') }
    format.xml  { head :ok }
  end

在app/views/posts/index.html.erb中，我创建了以下代码:

<%= link_to 'Vote', :controller => "posts", :action => "incvotes", :id => post.id %>

但是链接给出了错误

No route matches {:controller=>"posts", :action=>"incvotes", :id=>1}

我在这里错过了一些东西，但不确定。

耙路:

incvotes_post POST   /posts/:id/incvotes(.:format) {:action=>"incvotes", :controller=>"posts"}
        posts GET    /posts(.:format)              {:action=>"index", :controller=>"posts"}
              POST   /posts(.:format)              {:action=>"create", :controller=>"posts"}
     new_post GET    /posts/new(.:format)          {:action=>"new", :controller=>"posts"}
    edit_post GET    /posts/:id/edit(.:format)     {:action=>"edit", :controller=>"posts"}
         post GET    /posts/:id(.:format)          {:action=>"show", :controller=>"posts"}
              PUT    /posts/:id(.:format)          {:action=>"update", :controller=>"posts"}
              DELETE /posts/:id(.:format)          {:action=>"destroy", :controller=>"posts"}
   home_index GET    /home/index(.:format)         {:action=>"index", :controller=>"home"}
         root        /(.:format)                   {:action=>"index", :controller=>"home"}

Answer 1

尝试

= link_to "vote", incvotes_post_path(post), :method=>:post

如果这不起作用，请尝试将方法更改为:put