代码示例:(标识:bs_breadcrumbs)
<!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.min.js"></script>
</head>
<body>

<div class="p-4">
  <h2>分页 - 面包屑</h2>
  <p>.breadcrumb 和 .breadcrumb-item 类规定当前页面在导航层次结构中的位置:</p>                  
  <ul class="breadcrumb">
    <li class="breadcrumb-item"><a href="#">照片</a></li>
    <li class="breadcrumb-item"><a href="#">2019年夏季</a></li>
    <li class="breadcrumb-item"><a href="#">意大利</a></li>
    <li class="breadcrumb-item active">罗马</li>
  </ul>
</div>

</body>
</html>
运行结果: