Ruby on rails 删除注释显示路由错误没有路由匹配{：action=>；show"；，：controller=>；articles"；，：id=>；nil}_Ruby On Rails_Ruby_Hyperlink_Routing

Ruby on rails 删除注释显示路由错误没有路由匹配{：action=>；show"；，：controller=>；articles"；，：id=>；nil}

ruby-on-rails ruby hyperlink routing

Ruby on rails 删除注释显示路由错误没有路由匹配{：action=>；show"；，：controller=>；articles"；，：id=>；nil},ruby-on-rails,ruby,hyperlink,routing,Ruby On Rails,Ruby,Hyperlink,Routing,我一直坚持删除一篇文章的评论。我可以显示和编辑评论，但不能删除它们。我尝试了各种组合，并在网上搜索，但可以找到合适的答案。我在comments/_comment.html.erb部分中添加了“Delete”链接 comments/_comment.html.erv <% if @article.comments.count >= 1 %> <div style="border: px solid #66c9ee;border-radius: 0px 0px 0px

我一直坚持删除一篇文章的评论。我可以显示和编辑评论，但不能删除它们。我尝试了各种组合，并在网上搜索，但可以找到合适的答案。我在comments/_comment.html.erb部分中添加了“Delete”链接

comments/_comment.html.erv

<% if @article.comments.count  >= 1 %>
  <div style="border: px solid #66c9ee;border-radius: 0px 0px 0px 0px;margin: 10px -30px 15px; padding:     10px 15px 25px; background: none repeat scroll 0 0 #F2F2F2; width:700px; font-size: 1.2em;border-bottom: 0px solid #DDDDDD;">   
      <%= comment.content %>
         <div id="tabula"> 
            <ul id="tabula">
             <li> <div style="color: #0077CC;margin-rigth:200px; font-size: 1.0em;margin-top:4px;background-color:#;"> <%= comment.user.username if comment.user %></div></li>
            <li> <div style="color: #0077CC; background-color:; margin-top:4px; margin-left:25px;"> <p> <%= time_ago_in_words(comment.created_at.in_time_zone("Asia/Calcutta"))  unless comment.created_at.nil? %>  </p></div></li>
              <li> <div style="color: #0077CC; background-color:; margin-top:4px; margin-left:25px;"> <%= link_to "edit", edit_article_comment_path(@article ,comment) %> </div></li>
              <li> <div style="color: #0077CC; background-color:; margin-top:4px; margin-left:25px;"> <%= link_to 'Delete', article_comment_path(@article,comment), :confirm => 'Are you sure?', :method => :delete %> </div></li>
            </ul>
           </div>
    <% else %>
        <div style="color:#0077CC;margin-left:25px;font-size:1.4em;"> be first to comment</div>
  <% end %>

articles\u controller.rb

class CommentsController < ApplicationController

    def new
      @comment = Comment.new
    end

    def create
      @article = Article.find(params[:article_id])
      @comment = @article.comments.build(params[:comment])
      @comment.user_id = current_user.id
      @comment.save
        flash[:success] = "Comment created!"
        redirect_to article_path(@comment.article)
    end

    def edit
     @comment =  Comment.find(params[:id])
     @article = @comment.article
     # @article = Article.find(params[:article_id])
     #@comment = @article.comments
    end   

    def update
     @comment = Comment.find(params[:id])
     @article = @comment.article
      if @comment.update_attributes(params[:comment])
        flash[:success] = "Comment updated!"
        redirect_to article_path(@article)
      else
       render :action => "edit" 
      end
    end

    def destroy

      @article = Article.find(params[:article_id])
      @comment = @article.comments.find(params[:id])
      @comment.destroy
      redirect_to article_path(@artilce) 
    end

end

class ArticlesController < ApplicationController
  before_filter :is_user_admin, only: [:new, :create, :edit, :destroy]
  before_filter :log_impression, :only=> [:show]

    def is_user_admin
      redirect_to(action: :index) unless current_user.try(:is_admin?) 
      return false 
    end

   def log_impression
     @article = Article.find(params[:id])
     # this assumes you have a current_user method in your authentication system
      @article.impressions.create(ip_address: request.remote_ip,user_id:current_user.id)
   end

      def index
          @articles = Article.all(:order => "created_at DESC")
      @article_titles = Article.first(10)
      @tags = Tag.all
      end

    def show
      @article = Article.find(params[:id])
      @related_articles = Article.joins(:taggings).where('articles.id != ?', @article.id).where(taggings: { tag_id: @article.tag_ids })           
      @article_popular =  Article.order('articles.impressions_count DESC').limit(5)
    end

      def new
      @article = Article.new
      end

    def create
      @article = Article.new(params[:article])
      @article.user_id = current_user.id
      if @article.save
        flash[:success] = "article created!"
        redirect_to article_path(@article)
      else
        render 'new' 
      end 
    end

    def destroy
      @article = Article.find(params[:id])
      @article.destroy
      redirect_to action:  'index'  
    end

    def edit
      @article = Article.find(params[:id])
    end

    def update
      @article = Article.find(params[:id])
      if @article.update_attributes(params[:article])
       flash.notice = "Article '#{@article.title}' Updated!"
       redirect_to article_path(@article)
      else 
        render 'edit'
      end
    end
end

<div class="row-fluid">
  <div class="span12">
  <div class ="span9">
    <div class ="row-fluid">

      <div id="upperborder">
          <div id="lowerborder">
            <div style="color:#1fb2e8;font-size:2.3em;"><%= @article.title %></div>
             <div id="tabs"> 
              <ul id="tabs">
              <li>  <%= time_tag(@article.created_at.in_time_zone("Asia/Calcutta")) %> </li>
              <li>   <%= @article.user.username if @article.user %></li>
               <li>
                 <% unless @article.comments.empty? %>
                 (<%= @article.comments.size %>) comments
                 <% end %>
                 </li>
                 <li>
                 <% @article.tags.each do |tag| %>
                  <%= link_to tag.name, tag_path(tag) %>
                <% end %>     
              </li>
             </ul>
           </div>            

         <hr id="upperline">
         <div style="font-size: 1.2em"><%= @article.body %></div>

       <div id="tabs"> 
          <ul id="tabs">
            <div style="margin-top:20px; margin-left:10px"> <li> <%= link_to "back",articles_path, :class => ''  %></li></div>
             <% if current_user.try (:is_admin) %>
              <div style="margin-top:20px;margin-left:-10px""> <li> <%= link_to "edit", edit_article_path(@article), :class => '' %></li> </div>
              <div style="margin-top:20px"> <li> <%= link_to "delete",article_path(@article),:method => :delete,:confirm => 'Are you sure?',:class => '' %></li> </div>
            <% end %>
          </ul>
        </div>       

       <div id="fabs">
         <ul id="fabula">
           <div style="margin-left:250px; font-size:1.2em;color:#1fb2e8;margin-top:-0px">  Viewed: <%=@article.impression_count %> times, 
           <% if (@article.created_at != @article.updated_at) %>
           edit: <%= time_ago_in_words(@article.updated_at) %> ago,
           <% end %>
           <% if ! @article.comments.empty? %>
           Active: <%=  time_ago_in_words(@article.comments.last.created_at) %> ago
           <% end %>
           </div>
         </ul>
       </div>

       <hr style="border: 1px solid #E0E0F0; margin-top:50px">
       <div id="commentform">
         <%= render :partial => 'comments/comment_form' %>
           <% @article.comments.each do |c| %>
             <% if !c.nil? %>
               <div id ="commentdisplay"> <%= render partial: 'comments/comment', :locals => { :comment => c } %> </div>
             <% end %> 
            <% end %> 
       </div> 
      </div>
     </div>
   </div>

       <div class="span3">    
         <div id="popular"> 
          <% if !@article_popular.empty? %>
            <div id="headerpopular"> most viewed articles </div>
             <% @article_popular.each do |article_popular| %>
              <div id="popular-title">  <%= link_to  truncate(article_popular.title, :length => 35, :separator => ' '),  article_path(article_popular) %></div>
             <% end %>
          <% end %>
        </div>
     </div>
   </div>

       <% if !@related_articles.empty? %>
          <div id = "related-border">
          <div id="related-title"> Related articles </div>
          <% @related_articles.each do | related_article | %>       
          <div id="related-title-link">  <%= link_to  truncate(related_article.title, :length => 35, :separator => ' '),  article_path(related_article) %></div>
        <% end %>
        </div> 
        <% else %>
          <div id="related-border">
          <div id="ygm"> You got us ! </div>
          <div id="nofound"><h3> no related article found :(</h3></div>
          </div> 
        <% end %>

class-ArticlesController[：show]
def是用户管理员
除非是当前用户，否则重定向到（操作：：索引）。try（：is_admin？）
返回错误
结束
def log_印模
@article=article.find（参数[：id]）
#这假设您在身份验证系统中有当前的用户方法
@article.impressions.create（ip地址：request.remote\u ip，用户id:current\u user.id）
结束
def索引
@articles=Article.all（：order=>“在DESC创建”）
@文章标题=第一篇文章（10）
@tags=Tag.all
结束
def秀
@article=article.find（参数[：id]）
@related_articles=Article.joins（：taggings）。其中（'articles.id！=？'，@Article.id）。其中（taggings:{tag_id:@Article.tag_id}）
@article_popular=article.order（'articles.impressions_count DESC'）。限制（5）
结束
def新
@article=article.new
结束
def创建
@article=article.new（参数[：article]）
@article.user\u id=当前的\u user.id
如果@article.save
flash[：success]=“文章已创建！”
重定向到文章路径（@article）
其他的
呈现“新”
结束
结束
def销毁
@article=article.find（参数[：id]）
@第条销毁
将_重定向到操作：“索引”
结束
定义编辑
@article=article.find（参数[：id]）
结束
def更新
@article=article.find（参数[：id]）
如果@article.update_属性（参数[：article]）
flash.notice=“文章“#{@Article.title}”已更新！”
重定向到文章路径（@article）
其他的
渲染“编辑”
结束
结束
结束

articles/show.html.erb

class CommentsController < ApplicationController

    def new
      @comment = Comment.new
    end

    def create
      @article = Article.find(params[:article_id])
      @comment = @article.comments.build(params[:comment])
      @comment.user_id = current_user.id
      @comment.save
        flash[:success] = "Comment created!"
        redirect_to article_path(@comment.article)
    end

    def edit
     @comment =  Comment.find(params[:id])
     @article = @comment.article
     # @article = Article.find(params[:article_id])
     #@comment = @article.comments
    end   

    def update
     @comment = Comment.find(params[:id])
     @article = @comment.article
      if @comment.update_attributes(params[:comment])
        flash[:success] = "Comment updated!"
        redirect_to article_path(@article)
      else
       render :action => "edit" 
      end
    end

    def destroy

      @article = Article.find(params[:article_id])
      @comment = @article.comments.find(params[:id])
      @comment.destroy
      redirect_to article_path(@artilce) 
    end

end

class ArticlesController < ApplicationController
  before_filter :is_user_admin, only: [:new, :create, :edit, :destroy]
  before_filter :log_impression, :only=> [:show]

    def is_user_admin
      redirect_to(action: :index) unless current_user.try(:is_admin?) 
      return false 
    end

   def log_impression
     @article = Article.find(params[:id])
     # this assumes you have a current_user method in your authentication system
      @article.impressions.create(ip_address: request.remote_ip,user_id:current_user.id)
   end

      def index
          @articles = Article.all(:order => "created_at DESC")
      @article_titles = Article.first(10)
      @tags = Tag.all
      end

    def show
      @article = Article.find(params[:id])
      @related_articles = Article.joins(:taggings).where('articles.id != ?', @article.id).where(taggings: { tag_id: @article.tag_ids })           
      @article_popular =  Article.order('articles.impressions_count DESC').limit(5)
    end

      def new
      @article = Article.new
      end

    def create
      @article = Article.new(params[:article])
      @article.user_id = current_user.id
      if @article.save
        flash[:success] = "article created!"
        redirect_to article_path(@article)
      else
        render 'new' 
      end 
    end

    def destroy
      @article = Article.find(params[:id])
      @article.destroy
      redirect_to action:  'index'  
    end

    def edit
      @article = Article.find(params[:id])
    end

    def update
      @article = Article.find(params[:id])
      if @article.update_attributes(params[:article])
       flash.notice = "Article '#{@article.title}' Updated!"
       redirect_to article_path(@article)
      else 
        render 'edit'
      end
    end
end

<div class="row-fluid">
  <div class="span12">
  <div class ="span9">
    <div class ="row-fluid">

      <div id="upperborder">
          <div id="lowerborder">
            <div style="color:#1fb2e8;font-size:2.3em;"><%= @article.title %></div>
             <div id="tabs"> 
              <ul id="tabs">
              <li>  <%= time_tag(@article.created_at.in_time_zone("Asia/Calcutta")) %> </li>
              <li>   <%= @article.user.username if @article.user %></li>
               <li>
                 <% unless @article.comments.empty? %>
                 (<%= @article.comments.size %>) comments
                 <% end %>
                 </li>
                 <li>
                 <% @article.tags.each do |tag| %>
                  <%= link_to tag.name, tag_path(tag) %>
                <% end %>     
              </li>
             </ul>
           </div>            

         <hr id="upperline">
         <div style="font-size: 1.2em"><%= @article.body %></div>

       <div id="tabs"> 
          <ul id="tabs">
            <div style="margin-top:20px; margin-left:10px"> <li> <%= link_to "back",articles_path, :class => ''  %></li></div>
             <% if current_user.try (:is_admin) %>
              <div style="margin-top:20px;margin-left:-10px""> <li> <%= link_to "edit", edit_article_path(@article), :class => '' %></li> </div>
              <div style="margin-top:20px"> <li> <%= link_to "delete",article_path(@article),:method => :delete,:confirm => 'Are you sure?',:class => '' %></li> </div>
            <% end %>
          </ul>
        </div>       

       <div id="fabs">
         <ul id="fabula">
           <div style="margin-left:250px; font-size:1.2em;color:#1fb2e8;margin-top:-0px">  Viewed: <%=@article.impression_count %> times, 
           <% if (@article.created_at != @article.updated_at) %>
           edit: <%= time_ago_in_words(@article.updated_at) %> ago,
           <% end %>
           <% if ! @article.comments.empty? %>
           Active: <%=  time_ago_in_words(@article.comments.last.created_at) %> ago
           <% end %>
           </div>
         </ul>
       </div>

       <hr style="border: 1px solid #E0E0F0; margin-top:50px">
       <div id="commentform">
         <%= render :partial => 'comments/comment_form' %>
           <% @article.comments.each do |c| %>
             <% if !c.nil? %>
               <div id ="commentdisplay"> <%= render partial: 'comments/comment', :locals => { :comment => c } %> </div>
             <% end %> 
            <% end %> 
       </div> 
      </div>
     </div>
   </div>

       <div class="span3">    
         <div id="popular"> 
          <% if !@article_popular.empty? %>
            <div id="headerpopular"> most viewed articles </div>
             <% @article_popular.each do |article_popular| %>
              <div id="popular-title">  <%= link_to  truncate(article_popular.title, :length => 35, :separator => ' '),  article_path(article_popular) %></div>
             <% end %>
          <% end %>
        </div>
     </div>
   </div>

       <% if !@related_articles.empty? %>
          <div id = "related-border">
          <div id="related-title"> Related articles </div>
          <% @related_articles.each do | related_article | %>       
          <div id="related-title-link">  <%= link_to  truncate(related_article.title, :length => 35, :separator => ' '),  article_path(related_article) %></div>
        <% end %>
        </div> 
        <% else %>
          <div id="related-border">
          <div id="ygm"> You got us ! </div>
          <div id="nofound"><h3> no related article found :(</h3></div>
          </div> 
        <% end %>






（）评论






''%>
您的评论控制器#destroy
操作中有一个输入错误：
redirect_to article_path( @artilce )

应该是
redirect_to article_path( @article ) 

（注意@artilce
）
因此，我猜您的销毁操作是有效的，但重定向不起作用，因为@artilce
返回nil
（因此出现了奇怪的错误消息）
 变化
<%= link_to 'Delete', article_comment_path(@article,comment), :confirm => 'Are you sure?', :method => :delete %>

“你确定吗？”，：method=>：delete%>

到
“你确定吗？”，：method=>：delete%>

您可以在以下网站获得更多信息：
hi@m\x，谢谢是的，您是对的。我犯了一个愚蠢的错误。