如何制作3级菜单呢？
qq_沛公_0
2015-03-18 17:08
如何制作3级菜单呢？
2回答
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- wangao4321
- 2016-08-12 15:28:43
<!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"> <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-primary" 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><a href="javascript:;">一级菜单</a></li> <li><a href="javascript:;">一级菜单</a></li> <li class="divider"></li> <li class="dropdown-submenu"> <a tabindex="-1" href="javascript:;">一级菜单</a> <ul class="dropdown-menu"> <li><a tabindex="-1" href="javascript:;">二级菜单</a></li> <li class="divider"></li> <li class="dropdown-submenu"> <a href="javascript:;">二级菜单</a> <ul class="dropdown-menu"> <li><a href="javascript:;">三级菜单</a></li> </ul> </li> </ul> </li> </ul> </div> </div></div></body></html>
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- lpandxhj
- 2015-06-12 11:29:01
我试过嵌套进去 效果无法达到预期 当我点击二级的时候 原本应该是显示三级列表的 事实是还没等三级列表显示 在点击二级选项之后 整个下拉菜单就会被隐藏了
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