Question

当我进行一些编辑时，我很难弄清楚为什么我收到“未知操作”错误消息：

Unknown action
No action responded to 11. Actions: bin, create, destroy, edit, index, new, observe_new, show,  tag, update, and vote

你可以看到Rails确实提到了上面列表中的每个动作 - 更新。在我的表单中，我确实指定了action =“update”。

我想知道是否有些朋友可以帮助我找到缺失的链接...

这是代码：

edit.rhtml

<h1>Editing tip</h1>

<% form_tag :action => 'update', :id => @tip do %>
  <%= render :partial => 'form' %>

  <p>
    <%= submit_tag_or_cancel 'Save Changes' %>
  </p>
<% end %>

_form.rhtml

<%= error_messages_for :tip %>

<p><label>Title<br/>
<%= text_field :tip, :title %></label></p>

<p><label>Categories<br/>
<%= select_tag('categories[]', options_for_select(Category.find(:all).collect {|c| [c.name, c.id] }, @tip.category_ids), :multiple => true ) %></label></p>

<p><label>Abstract:<br/>
<%= text_field_with_auto_complete :tip, :abstract %></label></p>

<p><label>Name: <br/>
<%= text_field :tip, :name %></label></p>

<p><label>Link: <br/>
<%= text_field :tip, :link %></label></p>

<p><label>Content<br/>
<%= text_area :tip, :content, :rows => 5 %></label></p>

<p><label>Tags <span>(space separated)</span><br/>
<%= text_field_tag 'tags', @tip.tag_list, :size => 40 %></label></p>

class TipsController < ApplicationController
 before_filter :authenticate, :except => %w(index show)

  # GET /tips
  # GET /tips.xml
  def index
    @tips = Tip.all
    respond_to do |format|
      format.html # index.html.erb
      format.xml  { render :xml => @tips }
    end
  end

  # GET /tips/1
  # GET /tips/1.xml
  def show
    @tip = Tip.find_by_permalink(params[:permalink])
    respond_to do |format|
      format.html # show.html.erb
      format.xml  { render :xml => @tip }
    end
  end

  # GET /tips/new
  # GET /tips/new.xml
 def new
    @tip = session[:tip_draft] || current_user.tips.build
  end

 def create
    #tip = current_user.tips.build(params[:tip])  
    #tipMail=params[:email]
    #if tipMail 
    #  TipMailer.deliver_email_friend(params[:email], params[:name], tip)
    #  flash[:notice] = 'Your friend has been notified about this tip'
    #end

    @tip = current_user.tips.build(params[:tip])
    @tip.categories << Category.find(params[:categories]) unless params[:categories].blank?
    @tip.tag_with(params[:tags]) if params[:tags]

    if @tip.save
      flash[:notice] = 'Tip was successfully created.'
      session[:tip_draft] = nil
      redirect_to :action => 'index'
    else
      render :action => 'new'
    end
  end


  def edit
    @tip = Tip.find(params[:id])
  end

  def update
    @tip = Tip.find(params[:id])
    respond_to do |format|
      if @tip.update_attributes(params[:tip])
        flash[:notice] = 'Tip was successfully updated.'
        format.html { redirect_to(@tip) }
        format.xml  { head :ok }
      else
        format.html { render :action => "edit" }
        format.xml  { render :xml => @tip.errors, :status => :unprocessable_entity }
      end
    end
  end


  def destroy
    @tip = Tip.find(params[:id])
    @tip.destroy

    respond_to do |format|
      format.html { redirect_to(tips_url) }
      format.xml  { head :ok }
    end
  end



 def observe_new
    session[:tip_draft] = current_user.tips.build(params[:tip])
    render :nothing => true
  end


end

Answer 1

快速回答是form_tag不支持：action作为一个选项，你想要将一个字符串作为一个路径传入。稍微长一点的答案是你不应该使用form_tag反正为模型编辑表单，你应该使用form_for。

你正在使用哪种导轨？ .rhtml很旧，rails生成器应该给你.html.erb文件。如果它是最近的东西，你应该能够使用

<% form_for @tip do |f| %>
  <%= f.label :title, 'Title' %><br />
  <%= f.text_field %>
  ... etc
<% end %>

rails：明确指定操作时的“未知操作”消息

1 个答案: