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当我有一个扁平的资源结构时,我的多层嵌套资源的新页面和编辑页面都可以正常工作。由于嵌套资源是为了使结构更具逻辑性,因此这些页面已经有点破损。对于每个模型,我都有一个表单模板,其开头如下:

<%= simple_form_for @contact, html: {:class => "well form-vertical"} do |f| %>

这对于非嵌套资源(如上面的联系人)非常有效,允许创建和更新操作按预期工作。

但是,对于嵌套资源(例如 Service,如下所示),新操作将停止工作。当我浏览到“新”页面时,出现错误:

Error 500: undefined method `services_path' for #<#<Class:0x0b3512b4>:0xb42b2c58>

我的相关部分的 routes.rb 如下:

resources :contacts,   shallow: true,     :except => [ :destroy ] do
  resources :accounts, shallow: true,     :except => [ :destroy ] do
    resources :services,                  :except => [ :destroy ]
  end
end

联系人和服务的新建和编辑控制器操作是:

接触:

def new
  @contact = Contact.new
...
def edit
  @contact = Contact.find(params[:id])

服务:

def new
  @service = Service.new(account_id: params[:account_id])
...
def edit
  @service = Service.find(params[:id])

相关输出rake routes是:

   account_services        GET    /accounts/:account_id/services(.:format)         services#index
                           POST   /accounts/:account_id/services(.:format)         services#create
new_account_service        GET    /accounts/:account_id/services/new(.:format)     services#new
       edit_service        GET    /services/:id/edit(.:format)                     services#edit
            service        GET    /services/:id(.:format)                          services#show
                           PUT    /services/:id(.:format)                          services#update
           contacts        GET    /contacts(.:format)                              contacts#index
                           POST   /contacts(.:format)                              contacts#create
        new_contact        GET    /contacts/new(.:format)                          contacts#new
       edit_contact        GET    /contacts/:id/edit(.:format)                     contacts#edit
            contact        GET    /contacts/:id(.:format)                          contacts#show
                           PUT    /contacts/:id(.:format)                          contacts#update
4

2 回答 2

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<%= simple_form_for(@contact, :html => {:class => "well form-vertical"}) do |f| %>使用代替

<%= simple_form_for @contact, html: {:class => "well form-vertical"} do |f| %>
于 2012-09-09T10:34:13.120 回答
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事实证明,这完全是解决这个问题的错误方法。相反,我将我的创建路线重写为 POST 直接到/:controller,然后它只使用simple_form_for @contact, html: {class: "well form-vertical"} do |f|

于 2012-09-11T07:36:47.207 回答