Rails cocoon f.fields_for not working

Question

我正在處理一個項目，該項目需要嵌套窗體將多個閥門添加到單個訂單（在這種情況下訂單被稱爲rfq）。

我得到這個錯誤：

ActionView::Template::Error (uninitialized constant Rfq::Valf): 
    48: </div> 
    49: 
    50: <div id="valves"> 
    51:  <%= f.fields_for :valves do |valve| %> 
    52:  <%= render 'valve_fields', f: valve %> 
    53:  <% end %> 
    54:  <%= link_to_add_association 'add valve', f, :valves %> 

這裏的形式部分的相關部分，

<%= form_for @rfq do |f| %> 
... 
    <div class="field"> 
    <%= f.label :application %><br> 
    <%= f.text_field :application %> 
    </div> 

    <div id="valves"> 
    <%= f.fields_for :valves do |valve| %> 
     <%= render 'valve_fields', f: valve %> 
    <% end %> 
     <%= link_to_add_association 'add valve', f, :valves %> 
    </div> 

    <div class="actions"> 
    <%= f.submit %> 
    </div> 
<% end %> 

閥門領域部分：

<div class="nested-fields"> 
    <div class="field"> 
     <%= f.label :line %> 
     <%= f.text_field :productline %> 
    </div> 
    <%= link_to_remove_association "remove valve", f %> 
</div> 

詢價型號：

class Rfq < ActiveRecord::Base 
    has_many :valves 
    accepts_nested_attributes_for :valves, :allow_destroy => true 
    belongs_to :customer 
    has_paper_trail 
end 

閥門型號：

class Valve < ActiveRecord::Base 
    belongs_to :rfq 
    has_paper_trail 
end 

在此先感謝

Answer 1

嘗試指定如下圖所示的 「閥門」 類的名稱。

class Rfq < ActiveRecord::Base 
    has_many :valves, :class_name => "Valve" 
    accepts_nested_attributes_for :valves, :allow_destroy => true 
    belongs_to :customer 
    has_paper_trail 
end