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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>Textarea</h2> <p>也可以使用 .form-control 类来设置 textarea 的样式：</p> <form action="/demo/html/action_page.php"> <div class="mb-3 mt-3"> <label for="comment">Comments:</label> <textarea class="form-control" rows="5" id="comment" name="text"></textarea> </div> <button type="submit" class="btn btn-primary">提交</button> </form> </div> </body> </html>