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		</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>

// CaptchaServlet 代码示例 String name = request.getParameter("name"); String email = request.getParameter("email"); String phone = request.getParameter("phone"); String message = request.getParameter("message"); String captcha = request.getParameter("captcha");