源代码：
左右布局
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 mt-3"> <h3>复选框与单选框</h3> <p>文本信息可以使用复选框与单选框替代：</p> <form> <div class="input-group mb-3"> <div class="input-group-prepend"> <div class="input-group-text"> <input type="checkbox"> </div> </div> <input type="text" class="form-control" placeholder="RUNOOB"> </div> </form> <form> <div class="input-group mb-3"> <div class="input-group-prepend"> <div class="input-group-text"> <input type="radio"> </div> </div> <input type="text" class="form-control" placeholder="GOOGLE"> </div> </form> </div> </body> </html>
运行结果