多个字段不以单一形式和模型Rails显示

Question

我有模特产品。我想在单个模型（产品）中创建多个记录，但字段不在视图中显示

#controller

@products = Array.new(3){ Product.new }

# view

<%= form_tag create_product_path, :method => :post, :class => "form-horizontal",  'role' => "form" do %>
<% @products.each_with_index do |product, index| %>
 <% fields_for "products[#{index}]", product do |f| %>
   <%= f.text_field :date  %>
   <%= f.text_field :name  %>
 <% end %>
<% end %>
<%= submit_tag "Submit", :class => "btn btn-primer" %>

   

查看此屏幕截图，不显示字段。任何人都可以告诉我，为什么没有出现使用数组的新表单方法？

Answer 1

不要忘记<%=

上的fields_for

阅读fields_for

rails 2.x - 3.0

<% fields_for "products[#{index}]", product do |f| %>

rails＆gt; 3.1.X

<%= fields_for "products[#{index}]", product do |f| %>