代码示例：（标识：bs_nav_pills_toggleable）
<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap 实例</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link href="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/5.1.2/css/bootstrap.min.css" rel="stylesheet">
<script src="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/5.1.2/js/bootstrap.bundle.js"></script>
</head>
<body>
<div class="p-4">
<h2>可切换的 / 动态胶囊导航</h2>
<br>
<!-- Nav pills -->
<ul class="nav nav-pills" role="tablist">
<li class="nav-item">
<a class="nav-link active" data-bs-toggle="pill" href="#home">春日</a>
</li>
<li class="nav-item">
<a class="nav-link" data-bs-toggle="pill" href="#menu1">初夏</a>
</li>
<li class="nav-item">
<a class="nav-link" data-bs-toggle="pill" href="#menu2">山行</a>
</li>
</ul>
<!-- Tab panes -->
<div class="tab-content">
<div id="home" class="container tab-pane active"><br>
<h3>春日</h3>
<p>胜日寻芳泗水滨，无边光景一时新。</p>
<p>等闲识得东风面，万紫千红总是春。</p>
</div>
<div id="menu1" class="container tab-pane fade"><br>
<h3>初夏绝句</h3>
<p>纷纷红紫已成尘，布谷声中夏令新。</p>
<p>夹路桑麻行不尽，始知身是太平人。</p>
</div>
<div id="menu2" class="container tab-pane fade"><br>
<h3>山行</h3>
<p>远上寒山石径斜，白云生处有人家。</p>
<p>停车坐爱枫林晚，霜叶红于二月花。</p>
</div>
</div>
</div>
</body>
</html>
