<div class="dropdown">
...
<%= ff.collection_select :vendor_id, @vendors, :id, :vendor, :include_blank => true, class: "dropdown-menu" %>
...
</div>
我有一个表单,然后我使用如上所示的 fields_for 来收集输入。但是我无法看到如图所示的程式化 Bootstrap 下拉菜单 here .我应该进行哪些更改才能看到 bootstrap 程式化下拉菜单?
最佳答案
来自
<%= ff.collection_select :vendor_id, @vendors, :id, :vendor, :include_blank => true, class: "dropdown-menu" %>
到
<%= ff.collection_select :vendor_id, @vendors, :id, :vendor, {:include_blank => true}, {class: "dropdown-menu"} %>
collection_select(对象,方法,集合,value_method,text_method,options = {},html_options = {})
关于css - Rails collection_select + bootstrap 下拉菜单,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/34055625/