Bootstrap 下拉菜单多级联动

最新推荐文章于 2025-02-17 10:48:01 发布

lg_lin

最新推荐文章于 2025-02-17 10:48:01 发布

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分类专栏： Bootstrap JavaScript

本文链接：https://blog.youkuaiyun.com/lg_lin/article/details/51482094

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本文提供了一个使用Bootstrap3实现的多级下拉菜单示例代码，通过自定义CSS样式和JavaScript交互实现了多级菜单的展开与收起效果。

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<!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>