Rails 3:使用“belongs_to”关联呈现的嵌套表单
我正在努力获取使用“belongs_to”关联呈现的嵌套表单。
我原本期望“_form.html.erb”(如下)中的地址字段能够正确呈现,但显然事实并非如此,我只是无法理解它的原因!
Rails 版本:3.09
这是代码。
模型:
Store.rb
class Store < ActiveRecord::Base
has_and_belongs_to_many :products
belongs_to :store_address, :foreign_key => "address_id", :class_name => "Address"
......
end
地址没有任何对 Store 模型的引用(它是独立的)
控制器
stores_controller.rb
def new
@store = Store.new
@store.build_store_address
respond_with(@store)
end
查看
new.html。 erb
<% form_for(@store, :url => collection_url) do |f| %>
<%= render :partial => "form", :locals => { :f => f } %>
<p class="form-buttons">
<%= button t('continue') %>
</p>
<% end %>
_form.html.erb
<%=t(:store_name)%> : <%= text_field :store, :name %>
<%=t(:store_admin_email)%> : <%= text_field :store, :admin_email %>
<fieldset>
<legend><label><%=t(:address)%></label></legend>
<% f.fields_for :store_address do |address_form| %>
<table>
<tbody><tr>
<td width="200"><label><%=t(:line_1)%></label></td><td>
<%= address_form.text_area :address1, :rows => 2%>
</td>
</tr>
<tr>
<td><label><%=t(:line_2)%></label></td><td>
<%= address_form.text_area :address2, :rows => 2 %>
</td>
</tr>
<tr>
<td><label><%=t(:city)%></label></td><td>
<%= address_form.text_field :city %>
</td>
</tr>
.......
这呈现商店名称。但地址方面没有任何内容。请帮忙!
I am struggling to get the nested form rendered with belongs_to association.
I was expecting the address fields in the "_form.html.erb" (below) to be rendered correct, but apparently it is not, and i just cant wrap my head around it to figure why!
Rails version: 3.09
here is the code.
Model:
Store.rb
class Store < ActiveRecord::Base
has_and_belongs_to_many :products
belongs_to :store_address, :foreign_key => "address_id", :class_name => "Address"
......
end
Address doesn't have any reference to Store model (it is independent)
Controller
stores_controller.rb
def new
@store = Store.new
@store.build_store_address
respond_with(@store)
end
View
new.html.erb
<% form_for(@store, :url => collection_url) do |f| %>
<%= render :partial => "form", :locals => { :f => f } %>
<p class="form-buttons">
<%= button t('continue') %>
</p>
<% end %>
_form.html.erb
<%=t(:store_name)%> : <%= text_field :store, :name %>
<%=t(:store_admin_email)%> : <%= text_field :store, :admin_email %>
<fieldset>
<legend><label><%=t(:address)%></label></legend>
<% f.fields_for :store_address do |address_form| %>
<table>
<tbody><tr>
<td width="200"><label><%=t(:line_1)%></label></td><td>
<%= address_form.text_area :address1, :rows => 2%>
</td>
</tr>
<tr>
<td><label><%=t(:line_2)%></label></td><td>
<%= address_form.text_area :address2, :rows => 2 %>
</td>
</tr>
<tr>
<td><label><%=t(:city)%></label></td><td>
<%= address_form.text_field :city %>
</td>
</tr>
.......
This renders the store name. but nothing on the address side. please help!
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我认为您错过了 <% f.fields_for ... 处的 =。它应该是 <%= f.fields_for... 。
过去,这种情况经常发生在我身上,错过了这一件事,然后想知道为什么嵌套表单不会呈现。
I think you missed an = at <% f.fields_for .... It should be <%= f.fields_for... .
This has happened to me so often in the past, missing this one thing, and then wondering why the nested form would not render.