我试图在下拉菜单的链接左侧添加一个图标,但似乎无法弄清楚。这是我的代码看起来像:如何将glyphicon添加到引导程序下拉菜单
<div class="col-md-4">
<div class="dropdown">
<button class="btn btn-default dropdown-toggle" type="button" data-toggle="dropdown">options
<span class="caret"></span></button>
<ul class="dropdown-menu">
<li><i class="glyphicon glyphicon-flag"></i><%=link_to "report link", report_path(report: {reportable_id: post.id, reportable_type: "Post"}), id: "report_#{post.class}_#{post.id}", class: "report_link", remote: true, method: :post %></li>
有人可以请向我解释如何做到这一点?
谢谢!