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怎么称呼您:

邮箱:

手机:

遇到的问题:

验证码：
提交

		</div>
		<div class='col-md-6'>
			<div class='row'>
				<div class='col-md-12'>
					<img src='static/pic/gzhcode.jpg' alt='QR Code' class='qr-code'>
					<a style='font-size: 20px'>扫描左侧二维码关注我们</a>
					<p class=txt>扫描二维码，访问网站。</p>
				</div>
				<div class='col-md-6'>
					<img src='static/pic/code2.png' alt='Mini Program Code' class='qr-code'>
					<p class=txt>扫描小程序码，进入小程序。</p>
				</div>
				<div class='col-md-6'>
					<img src='https://via.placeholder.com/200x200' alt='Mini Program Code' class='qr-code'>
					<p class=txt>扫描小程序码，进入小程序。</p>
				</div>
			</div>
		</div>
	</div>
</div>
<script>
function checkForm() {
    var captcha = document.getElementById('captcha').value;
    if (captcha == '') {
        alert('请输入验证码！');
        return false;
    }
    return true;
}
</script>

在CaptchaServlet中添加以下代码：

String name = request.getParameter('name');
String email = request.getParameter('email');
String phone = request.getParameter('phone');
String message = request.getParameter('message');

System.out.println('姓名：' + name);
System.out.println('邮箱：' + email);
System.out.println('手机：' + phone);
System.out.println('问题：' + message);