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<!DOCTYPE html> <html lang="en"> <head> <title>Bootstrap 实例</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.2/dist/css/bootstrap.min.css" rel="stylesheet"> <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.2/dist/js/bootstrap.bundle.min.js"></script> </head> <body> <div class="container mt-3"> <h2>多个输入和助手</h2> <p>添加多个输入控件或插件：</p> <!-- 多个输入控件 --> <div class="input-group mb-3"> <span class="input-group-text">人名</span> <input type="text" class="form-control" placeholder="姓"> <input type="text" class="form-control" placeholder="名"> </div> <!-- 多个插件/帮助文本 --> <div class="input-group mb-3"> <span class="input-group-text">一</span> <span class="input-group-text">二</span> <span class="input-group-text">三</span> <input type="text" class="form-control"> </div> </div> </body> </html>