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<!DOCTYPE html> <html> <head> <title>Bootstrap5 实例</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link href="https://cdn.staticfile.net/twitter-bootstrap/5.1.1/css/bootstrap.min.css" rel="stylesheet"> <script src="https://cdn.staticfile.net/twitter-bootstrap/5.1.1/js/bootstrap.bundle.min.js"></script> </head> <body> <div class="container mt-3"> <h2>下拉菜单中的分割线</h2> <p>.dropdown-divider 类用于在下拉菜单中创建一个水平的分割线:</p> <div class="dropdown"> <button type="button" class="btn btn-primary dropdown-toggle" data-bs-toggle="dropdown"> 下拉菜单按钮 </button> <ul class="dropdown-menu"> <li><a class="dropdown-item" href="#">链接 1</a></li> <li><a class="dropdown-item" href="#">链接 2</a></li> <li><a class="dropdown-item" href="#">链接 3</a></li> <li><hr class="dropdown-divider"></li> <li><a class="dropdown-item" href="#">链接 4</a></li> </ul> </div> </div> </body> </html>
运行结果: