bootstrap实现二级下拉菜单效果

本文实例为大家分享了bootstrap实现二级下拉菜单展示的具体代码，供大家参考，具体内容如下

<!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>

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我们。