本文实例为大家分享了Bootstrap下拉菜单的具体代码，供大家参考，具体内容如下
效果图：
- 需要引用bootstrap.min.css和bootstrap.min.css.js
- 代码如下
<head>
<meta charset="UTF-8">
<title>Bootstrap 3 的多级下拉菜单示例</title>
<link rel="stylesheet" href="~/Content/bootstrap.min.css" />
<script type="text/javascript" src="~/Content/bootstrap.min.css.js"></script>
<style type="text/css">
.dropdown-submenu {
position: relative;
}
.dropdown-submenu > .dropdown-menu {
top: 0;
left: 100%;
margin-top: -6px;
margin-left: -1px;
-webkit-border-radius: 0 6px 6px 6px;
-moz-border-radius: 0 6px 6px;
border-radius: 0 6px 6px 6px;
}
.dropdown-submenu:hover > .dropdown-menu {
display: block;
}
.dropdown-submenu > a:after {
display: block;
content: " ";
float: right;
width: 0;
height: 0;
border-color: transparent;
border-style: solid;
border-width: 5px 0 5px 5px;
border-left-color: #ccc;
margin-top: 5px;
margin-right: -10px;
}
.dropdown-submenu:hover > a:after {
border-left-color: #fff;
}
.dropdown-submenu.pull-left {
float: none;
}
.dropdown-submenu.pull-left > .dropdown-menu {
left: -100%;
margin-left: 10px;
-webkit-border-radius: 6px 0 6px 6px;
-moz-border-radius: 6px 0 6px 6px;
border-radius: 6px 0 6px 6px;
}
</style>
</head>
<body>
<div class="container">
<div class="row">
<h2>Bootstrap 3多级下拉菜单</h2>
<hr>
<div class="dropdown">
<a id="dLabel" role="button" data-toggle="dropdown" class="btn btn-default" data-target="#" href="javascript:;">
下拉多级菜单 <span class="caret"></span>
</a>
<ul class="dropdown-menu multi-level" role="menu" aria-labelledby="dropdownMenu">
<li class="dropdown-submenu">
<a tabindex="-1" href="javascript:;">总经理</a>
<ul class="dropdown-menu">
<li><a tabindex="-1" href="javascript:;">经理1</a></li>
<li><a tabindex="-1" href="javascript:;">经理2</a></li>
</ul>
</li>
<li class="dropdown-submenu">
<a tabindex="-1" href="javascript:;">研发部</a>
<ul class="dropdown-menu">
<li><a tabindex="-1" href="javascript:;">主管</a></li>
<li class="divider"></li>
<li class="dropdown-submenu">
<a href="javascript:;">员工</a>
<ul class="dropdown-menu">
<li><a href="javascript:;">互 评</a></li>
<li><a href="javascript:;">不互评</a></li>
</ul>
</li>
</ul>
</li>
</ul>
</div>
</div>
</div>
</body>
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持北冥有鱼。
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