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>选项卡切换</h2> <br> <!-- Nav tabs --> <ul class="nav nav-tabs" role="tablist"> <li class="nav-item"> <a class="nav-link active" data-toggle="tab" href="#home">Home</a> </li> <li class="nav-item"> <a class="nav-link" data-toggle="tab" href="#menu1">Menu 1</a> </li> <li class="nav-item"> <a class="nav-link" data-toggle="tab" href="#menu2">Menu 2</a> </li> </ul> <!-- Tab panes --> <div class="tab-content"> <div id="home" class="container tab-pane active"><br> <h3>HOME</h3> <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.</p> </div> <div id="menu1" class="container tab-pane fade"><br> <h3>Menu 1</h3> <p>Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.</p> </div> <div id="menu2" class="container tab-pane fade"><br> <h3>Menu 2</h3> <p>Sed ut perspiciatis unde omnis iste natus error sit voluptatem accusantium doloremque laudantium, totam rem aperiam.</p> </div> </div> </div> </body> </html>
运行结果