源代码 ：
点击运行
<!DOCTYPE html> <html> <head> <title>Bootstrap 实例</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/css/bootstrap.min.css"> <script src="https://cdn.staticfile.org/jquery/3.2.1/jquery.min.js"></script> <script src="https://cdn.staticfile.org/popper.js/1.15.0/umd/popper.min.js"></script> <script src="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/js/bootstrap.min.js"></script> </head> <body> <div class="container"> <h2>药丸形状徽章</h2> <span class="badge badge-pill badge-default">默认</span> <span class="badge badge-pill badge-primary">主要</span> <span class="badge badge-pill badge-success">成功</span> <span class="badge badge-pill badge-info">信息</span> <span class="badge badge-pill badge-warning">警告</span> <span class="badge badge-pill badge-danger">危险</span> </div> </body> </html>
运行结果