Ruby on rails 路由错误没有与[DELETE]匹配的路由/“主题”；

正在尝试获取删除操作以使主题控制器正常工作。 这是我的主题控制器

def destroy
@topic = Topic.find(params[:id])

if @topic.destroy
  flash[:notice] = "\"#{@topic.title}\" Topic was deleted!"
  redirect_to topics_path(@topic)
else
  flash.now[:alert] = "An error occurred. Please try again."
  render :show
end

结束

我的路线：

 resources :topics do
    resources :bookmarks, except: [:index]
  end

“我的索引”视图上的“我的删除”链接：

<%= link_to "Delete Topic", @topic, method: :delete, class: 'btn btn-danger', data: { confirm: 'Are you sure you want to delete this topic?' } %>

---

真的不明白我遗漏了什么。

尝试以下更改：

def destroy
  @topic = Topic.find(params[:id])

  if @topic.destroy
    flash[:notice] = "\"#{@topic.title}\" Topic was deleted!"
    redirect_to topics_path
  else
    flash.now[:alert] = "An error occurred. Please try again."
    render :show
  end
end

删除链接：

<%= link_to "Delete Topic", topic_path(@topic), method: :delete, class: 'btn btn-danger', data: { confirm: 'Are you sure you want to delete this topic?' } %>

---

多态url（@topic）给了你什么？我的猜测是，您要么将

@topic

重新分配给了无意中发生的事情，要么以某种方式将

ActionDispatch:：Routing:：PolymorphicRoutes

搞砸了，从而给出了收集路线。