Ruby on rails 类别未定义-rails
因此,我有一个项目资源,其中嵌套了类别。整个项目结构设置如下:Ruby on rails 类别未定义-rails,ruby-on-rails,ruby,Ruby On Rails,Ruby,因此,我有一个项目资源,其中嵌套了类别。整个项目结构设置如下: StartPoint::Application.routes.draw do get "log_out" => "sessions#destroy", :as => 'log_out' get "log_in" => "sessions#new", :as => 'log_in' get "sign_up" => "users#new", :as => 'sign_up' ro
StartPoint::Application.routes.draw do
get "log_out" => "sessions#destroy", :as => 'log_out'
get "log_in" => "sessions#new", :as => 'log_in'
get "sign_up" => "users#new", :as => 'sign_up'
root :to => 'Projects#index'
resources :users
resources :sessions
resources :discussion_comments
resources :comments
resources :projects do
resources :categories
resources :duscussions
resources :tasks
end
end
现在,在我的任务索引页面上,我正试图呈现类别表单
<%= form_for project.categories.build do |f| %>
<%= f.label :category%>
<%= f.text_field :category%>
<%= hidden_text_field :project_id, :value => project.id %>
<%= f.submit%>
<% end %>
project.id%>
当我呈现这个-我将项目对象传递到这个表单中:
<%= render 'categories/createcategory', :project => @project%>
@project%>
这不会在类别索引页中呈现,而是在任务索引页中呈现
因此,有了这类信息(如果您需要更多信息,请告诉我)为什么类别显然是未定义的
错误
undefined method `categories' for #<Project:0xb687150c>
Extracted source (around line #1):
1: <%= form_for ([project, project.categories.build]) do |f| %>
2: <%= f.label :category%>
3: <%= f.text_field :category%>
4: <%= hidden_text_field :project_id, :value => project.id %>
未定义的方法“类别”#
提取的源(第1行附近):
1:
2:
三:
4:project.id%>
表单中有一个问题。它可能是[@project,Category.new]
您必须确保在您的项目控制器中,您已初始化了
@project
。因此它不起作用。。。。没有路由匹配{:controller=>“categories”,:format=>nil,:project_id=>#}