<html>
<head>
<script src="http://cdn.static.runoob.com/libs/jquery/1.10.2/jquery.min.js">
</script>
<!-- 最新版本的 Bootstrap 核心 CSS 文件 -->
<link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
<!-- 可选的 Bootstrap 主题文件（一般不用引入） -->
<link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap-theme.min.css" integrity="sha384-rHyoN1iRsVXV4nD0JutlnGaslCJuC7uwjduW9SVrLvRYooPp2bWYgmgJQIXwl/Sp" crossorigin="anonymous">
<!-- 最新的 Bootstrap 核心 JavaScript 文件 -->
<script src="https://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script>
</head>
<body>
<ul class="nav nav-tabs nav-justified" role="tablist">
<li role="presentation" class="active"><a href="#home" role="tab" data-toggle="tab">第一个导航</a></li>
<li role="presentation"><a href="#profile" role="tab" data-toggle="tab">第二个导航</a></li>
<li role="presentation"><a href="#s2" role="tab" data-toggle="tab">第二个导航</a></li>
<li role="presentation" class="dropdown">
<a class="dropdown-toggle" data-toggle="dropdown" href="#" role="button" aria-haspopup="true" aria-expanded="false">
Dropdown <span class="caret"></span>
</a>
<ul class="dropdown-menu">
<li><a href="#s4" role="tab" data-toggle="tab">Action</a></li>
<li><a href="#s5" role="tab" data-toggle="tab">Another action</a></li>
<li><a href="#s6" role="tab" data-toggle="tab">Something else here</a></li>
</ul>
</li>
</ul>
<div class="tab-content">
<div role="tabpanel" class="tab-pane active" id="home">111</div>
<div role="tabpanel" class="tab-pane" id="profile">222</div>
<div role="tabpanel" class="tab-pane" id="s2">333</div>
<div role="tabpanel" class="tab-pane" id="s3">444</div>
<div role="tabpanel" class="tab-pane" id="s4">444</div>
<div role="tabpanel" class="tab-pane" id="s5">444</div>
<div role="tabpanel" class="tab-pane" id="s6">666</div>
</div>
</body>
</html>
