Rails 3箇中嵌套的表格將無法正常工作

Question

我accommodation型號：

class Accommodation < ActiveRecord::Base 
... 
    has_one :address 
... 
    accepts_nested_attributes_for :address 
... 

end 

我address型號：

class Address < ActiveRecord::Base 
    belongs_to :accommodation 
end 

我accommodation _form.html.haml部分

=form_for [:panel,@accommodation], :html => {:class=>'accommodation'} do |f| 
    %fieldset 
    %legend 
     Adres 
    =f.fields_for :address do |address_f| 
     =address_f.label :street, "Ulica" 
     =address_f.text_field :street 

    %div 

問題是街上的字段不顯示。它會顯示我何時更改：地址爲@ accommodation.build_address，但表單不被接受。
如何正確地工作？

Answer 1

找到了解決辦法：
fields_for需要看起來像這樣：
=f.fields_for :address_attributes, @accommodation.address do |address_f|
現在的作品完美。

Answer 2

嘗試

=f.fields_for :address, @accomodation.address.new do |address_f|