bootstrap 二級下拉選單
阿新 • • 發佈：2019-02-05
<!DOCTYPE html> <html> <head> <title>Bootstrap 例項 - 基本的按鈕下拉選單</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="#">另一個功能</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="#">另一個功能1</a> </li> </ul> </li> </ul> </div> </body> </html>