​x
 
<!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>
​