Rails - 集合集的单选按钮
问题描述：
我有以下输出选择框:
<%= f.label :request_type_id %><br />
<% requestTypes = RequestType.all %>
<%= f.collection_select :request_type_id, requestTypes, :id, :title, :prompt => true %>
代替输出单选按钮的 rails 方法是什么?
What is the rails method to instead output Radio Buttons?
答
对于单选按钮，您必须自己迭代并输出每个单选按钮及其标签.其实很简单.
For radio buttons you have to iterate yourself and output every radio button and its label. It's really easy in fact.
<% RequestType.all.each do |rt| %>
<%= f.radio_button :request_type_id, rt.id %>
<%= f.label :request_type_id, rt.title %>
<% end %>
或者在 haml 中，以防它比 erb 更受欢迎:
Or in haml in case it's preferred over erb:
- RequestType.all.each do |rt|
= f.radio_button :request_type_id, rt.id
= f.label :request_type_id, rt.title