我怎样才能有2个循环显示彼此之间的信息

Question

我有2个输入字段从2个不同的散列产生。

table_head = {"key1"=>"thead1", "key2"=>"thead2", "key3"=>"thead3", "key4"=>"thead4"} 

table_content = {"1"=>"column1", "2"=>"column2", "3"=>"column3", "4"=>"column4"} 

<%= form_for([@category, @page], url: update_pages_path) do |f| %> 

    <% @page.table_head.each_with_index do |(key, value), i| %> 
     <%= text_field_tag ('header[' + i.to_s + ']'), value %> 
    <% end%> 


    <% @page.table_content.each_with_index do |(key, value), i| %> 
     <%= select_tag 'content[' + i.to_s + ']', options_for_select(@category_keys, value), { :multiple => true, :size => 3} %> 
    <% end%> 


<% end %> 

这使得4个table_head输入和4种table_content选择。但我需要他们来订购，表头输入，然后表格内容选择，然后表头输入，内容选择等等。不是所有的表头输入，然后所有的表格内容选择。

我能为这些字段

<% @page.table_head.each_with_index do |(key, value), i| %> 
    <%= text_field_tag ('header[' + i.to_s + ']'), value %> 
    <%= select_tag 'content[' + i.to_s + ']', options_for_select(@category_keys), { :multiple => true, :size => 3} %> 
<% end%> 

但随后默认options_for_selectvalue不能放在了内容领域做到这一点。

我怎么能有场订购头，内容头，内容等。团长，团长，团长，团长，内容，内容等的INSEAD ..

Answer 1

table_head = {"key1"=>"thead1", "key2"=>"thead2", "key3"=>"thead3", "key4"=>"thead4"} 

table_content = {"1"=>"column1", "2"=>"column2", "3"=>"column3", "4"=>"column4"} 

<%= form_for([@category, @page], url: update_pages_path) do |f| %> 
    <% @page.table_head.zip(@page.table_content).each do |head, content| %> 
    <% head_key, head_value = head %> 
    <% content_key, content_value = content %> 
    <%= text_field_tag ('header[' + head_key + ']'), head_value %> 
    <%= select_tag 'content[' + content_key + ']', options_for_select(@category_keys, content_value), { :multiple => true, :size => 3} %> 
    <%end%> 
<% end %>