<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap 示例</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://www.w3schools.cn/lib/bootstrap/3.4.1/css/bootstrap.min.css">
<script src="https://ajax.aspnetcdn.com/ajax/jQuery/jquery-3.5.1.min.js"></script>
<script src="https://www.w3schools.cn/lib/bootstrap/3.4.1/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<h2>列出具有禁用项目的组</h2>
<div class="list-group">
<a href="#" class="list-group-item disabled">第一项</a>
<a href="#" class="list-group-item">第二项</a>
<a href="#" class="list-group-item">第三项</a>
</div>
</div>
</body>
</html>