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bootstrap 二级下拉菜单

2016-05-05 17:00 441 查看

<!DOCTYPE html>
<html>
<head>
<title>Bootstrap 实例 - 基本的按钮下拉菜单</title>
<link href="http://libs.baidu.com/bootstrap/3.0.3/css/bootstrap.min.css" rel="stylesheet">
<script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
<script src="http://libs.baidu.com/bootstrap/3.0.3/js/bootstrap.min.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="btn-group">
<button type="button" class="btn btn-default">原始</button>
<button type="button" class="btn btn-default  dropdown-toggle" data-toggle="dropdown">
<span class="caret"></span>
</button>
<ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu">
<li><a href="#">另一个功能</a></li>
<li><a href="#">其他</a></li>
<li class="divider"></li>
<li class="dropdown-submenu">
<a href="#">More options </a>
<ul class="dropdown-menu">
<li>
<a href="#">另一个功能1</a>
</li>
</ul>
</li>
</ul>
</div>

</body>
</html>

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标签： bootstrap bootstrap二级下拉菜单

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