Bootstrap 下拉菜单多级联动

直接上干货

<!DOCTYPE HTML>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<title>Bootstrap 3 的多级下拉菜单示例 </title>
<script type="text/javascript" src="http://libs.baidu.com/jquery/1.9.0/jquery.js"> </script>
<link rel="stylesheet" href="http://libs.baidu.com/bootstrap/3.0.3/css/bootstrap.min.css"/>
<script type="text/javascript" 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="container">
<div class="row">
<div class="form-group">
<input type="hidden" name="category_id" id="category_id" value="" />
<div class="dropdown">
<a id="dLabel" role="button" data-toggle="dropdown" class="btn btn-white" data-target="#" href="javascript:;"> <span id="select-title">选择分类 </span> <span class="caret"> </span> </a>
<ul class="dropdown-menu multi-level" role="menu" aria-labelledby="dropdownMenu">
<li> <a href="javascript:;" data-index="1" data-title="一级菜单">一级菜单 </a> </li>
<li class="dropdown-submenu">
<a href="javascript:;" data-index="2" data-title="一级菜单">一级菜单 </a>
<ul class="dropdown-menu">
<li> <a data-index="2-1" href="javascript:;" data-title="二级菜单">二级菜单 </a> </li>
</ul>
</li>
<li class="dropdown-submenu">
<a tabindex="3" href="javascript:;" data-title="一级菜单">一级菜单 </a>
<ul class="dropdown-menu">
<li> <a tabindex="3-1" href="javascript:;" data-title="二级菜单">二级菜单 </a> </li>
<li class="divider"> </li>
<li class="dropdown-submenu">
<a href="javascript:;" data-index="3-2" data-title="二级菜单">二级菜单 </a>
<ul class="dropdown-menu">
<li> <a href="javascript:;" data-index="3-2-1" data-title="三级菜单">三级菜单 </a> </li>
</ul>
</li>
</ul>
</li>
</ul>
</div>
</div>
</div>
</div>
</body>
</html>
<script type="text/javascript">
$( '.dropdown li a').click( function(){
console.log( this);
title = $( this).attr( "data-title");
id = $( this).attr( "data-index");
$( "#select-title").text(title);
$( "#category_id").val(id);
})
</script>

Bootstrap 下拉菜单多级联动

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