<!DOCTYPE html> <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta content="width=device-width,initial-scale=1.0,maximum-scale=1.0,user-scalable=no" id="viewport" name="viewport"> <title></title> <script src="http://libs.baidu.com/jquery/1.10.2/jquery.min.js"></script> <script type="text/javascript"> var countdown = 5; function settime(obj) { if (countdown == 5) { $.ajax({ url: ‘/sendMemberMsg‘, type: ‘post‘, data: { mobile: $(‘#editVipCode‘).val(), type: $(‘#type‘).val() }, beforeSend: function() {}, success: function(data) { alert("短信发送成功！"); }, error: function() { alert("服务器异常！"); } }); obj.setAttribute("disabled", true); obj.value = "重新发送(" + countdown + ")"; countdown--; } else if (countdown == 0) { obj.removeAttribute("disabled"); obj.value = "免费获取验证码"; countdown = 5; return; } else { obj.setAttribute("disabled", true); obj.value = "重新发送(" + countdown + ")"; countdown--; } setTimeout(function() { settime(obj) }, 1000) } </script> <body style="margin: 20px;"> <div> <label>手机号码：</label> <input type="number" id="mobile" placeholder="请输入手机号码" maxlength="11" value="18236468976" /> <input type="hidden" id="type" maxlength="11" value="1" /> </div> <input type="button" id="btn" value="免费获取验证码" onclick="settime(this)" style="margin-top: 20px;" /> </body> </html>
感谢：
参考 https://www.jb51.net/article/98285.htm
原文：https://www.cnblogs.com/zhangyinyuan/p/12372073.html
