我一直在使用Anthologies加入Story和Stack模型之间的has_many:through关系来处理项目。我最近调整了一些打破新故事创作方法的东西,但我不确定如何排除故障。当我去添加故事时,出现以下错误:创建新记录会返回NoMethodError,因为缺少未调用的方法
**NoMethodError in StoriesController#create**
undefined method `stack_id' for #<Story:0x1035968a8>
奇怪的是,create方法没有引用'stack_id'。事实上,这是相当开箱:
def create
@story = Story.new(params[:story])
respond_to do |format|
if @story.save
flash[:notice] = 'Story was successfully created.'
format.html { redirect_to(@story) }
format.xml { render :xml => @story, :status => :created, :location => @story }
else
format.html { render :action => "new" }
format.xml { render :xml => @story.errors, :status => :unprocessable_entity }
end
end
end
我想,也许它有什么做的路线,因为它们同时支持直接和嵌套在堆栈访问的故事。但我已经尝试了许多变化,似乎没有什么区别。
map.resources :stories, :member => {:rate => :post}
map.resources :anthologies
map.resources :stacks, :has_many => :stories do |stack|
stack.resources :stories
end
我显然不理解物体如何在这里保存的东西。关于如何解决这个问题的任何想法?我完全不知道下一步该做什么。我已经添加了下面的控制台输出以防万一它有帮助。
谢谢。
Processing StoriesController#create (for 127.0.0.1 at 2010-11-17 21:45:29) [POST]
Parameters: {"commit"=>"save", "story"=>{"body"=>"sgfhsfgh", "title"=>"asdfa", "user_id"=>"1", "summary"=>"adfgdfhg"}, "action"=>"create", "authenticity_token"=>"1yws3Fs108kPSUS2W5SM1GFaiRqfiWhDbzDWstfoDCA=", "controller"=>"stories"}
User Load (0.3ms) SELECT "users".id FROM "users" WHERE ("users"."id" = 1) LIMIT 1
NoMethodError (undefined method `stack_id' for #<Story:0x1035968a8>):
(eval):13:in `send'
(eval):13:in `scope_condition'
app/controllers/stories_controller.rb:58:in `create'
app/controllers/stories_controller.rb:57:in `create'
Rendered rescues/_trace (90.0ms)
Rendered rescues/_request_and_response (0.3ms)
Rendering rescues/layout (internal_server_error)
按要求添加型号代码,但它是非常通用的has_many:根据你的路由通过......
has_many :anthologies
has_many :stories, :through => :anthologies
和
has_many :anthologies
has_many :stacks, :through => :anthologies
你能告诉我们模型代码吗?我在猜测Story有'belongs_to:stack' – zetetic 2010-11-17 20:54:51
更新了原来的帖子以包含。 – iamlemur 2010-11-17 21:47:08