Ruby on rails 3 具有多态关联的嵌套表单不显示字段
我有一个带有has_one和多态关联的模型,如下所示:Ruby on rails 3 具有多态关联的嵌套表单不显示字段,ruby-on-rails-3,forms,polymorphic-associations,has-one,Ruby On Rails 3,Forms,Polymorphic Associations,Has One,我有一个带有has_one和多态关联的模型,如下所示: class Disc < ActiveRecord::Base has_one :item, :as => :article, :dependent => :destroy accepts_nested_attributes_for :item end class Item < ActiveRecord::Base belongs_to :article, :polymorphic =>
class Disc < ActiveRecord::Base
has_one :item, :as => :article, :dependent => :destroy
accepts_nested_attributes_for :item
end
class Item < ActiveRecord::Base
belongs_to :article, :polymorphic => true
end
class-Disc:article,:dependent=>:destroy
接受:项的\u嵌套\u属性\u
结束
类项true
结束
我试图创建一个嵌套表单,但只显示光盘的字段,而不显示项目的字段。这是我的表格:
<%= form_for(@disc) do |d| %>
<% d.fields_for :item do |f| %>
<div class="field">
<%= f.label :title %><br />
<%= f.text_field :title %>
</div>
<div class="field">
<%= f.label :stock %><br />
<%= f.number_field :stock, :min => 0 %>
</div>
<div class="field">
<%= f.label :description %><br />
<%= f.text_area :description %>
</div>
<% end %>
DISC:
<div class="field">
<%= d.label :num_discs %><br />
<%= d.number_field :num_discs %>
</div>
<div class="field">
<%= d.label :audio %><br />
<%= d.text_field :audio %>
</div>
<div class="field">
<%= d.label :subtitles %><br />
<%= d.text_field :subtitles %>
</div>
<div class="actions">
<%= d.submit %>
</div>
<% end %>
0 %>
光盘:
控制台中没有显示错误。在第一个
之前尝试添加=
,是的,我这样解决了它,忘了在这里添加答案。无论如何,谢谢你:)