设置一个simple_form关联项输入或标签类

Question

我有以下simple_form构建器调用：

f.association(:facility, { as: :radio_buttons, label: false })

哪个生成：

<div class="attribute radio_buttons required swipe_facility">
  <ul>
    <input type="hidden" name="swipe[facility_id]" value="">
    <li class="radio">
      <input class="radio_buttons required" type="radio" value="10000" name="swipe[facility_id]" id="swipe_facility_id_10000">
      <label class="collection_radio_buttons" for="swipe_facility_id_10000">Facility 1</label>
    </li>
    <li class="radio">
      <input class="radio_buttons required" type="radio" value="10001" name="swipe[facility_id]" id="swipe_facility_id_10001">
      <label class="collection_radio_buttons" for="swipe_facility_id_10001">Facility 2</label>
    </li>
    <li class="radio">
      <input class="radio_buttons required" type="radio" value="10002" name="swipe[facility_id]" id="swipe_facility_id_10002">
      <label class="collection_radio_buttons" for="swipe_facility_id_10002">Facility 3</label>
    </li>
  </ul>
</div>

如何为这些人添加课程：

<label class="collection_radio_buttons" for="swipe_facility_id_10000">Facility 1</label>

最接近的方法是使用item_wrapper_class向LI标签添加一个类。