- 带ajax验证
原文链接：http://www.cnblogs.com/steed-zgf/archive/2012/02/03/2336984.html<!doctype html> <head> <script src="http://libs.baidu.com/jquery/1.10.2/jquery.min.js"></script> <script type="text/javascript"> var InterValObj; //timer变量，控制时间 var count = 60; //间隔函数，1秒执行 var curCount;//当前剩余秒数 function sendMessage() { curCount = count; //设置button效果，开始计时 $("#btnSendCode").attr("disabled", "true"); $("#btnSendCode").val("请在" + curCount + "秒内输入验证码"); InterValObj = window.setInterval(SetRemainTime, 1000); //启动计时器，1秒执行一次 //向后台发送处理数据 $.ajax({ type: "POST", //用POST方式传输 dataType: "text", //数据格式:JSON url: ‘Login.ashx‘, //目标地址 data: "dealType=" + dealType +"&uid=" + uid + "&code=" + code, error: function (XMLHttpRequest, textStatus, errorThrown) { }, success: function (msg){ } }); } //timer处理函数 function SetRemainTime() { if (curCount == 0) { window.clearInterval(InterValObj);//停止计时器 $("#btnSendCode").removeAttr("disabled");//启用按钮 $("#btnSendCode").val("重新发送验证码"); } else { curCount--; $("#btnSendCode").val("请在" + curCount + "秒内输入验证码"); } } </script> </head> <body> <input id="btnSendCode" type="button" value="发送验证码" onclick="sendMessage()" /></p> </body> </html> - 不带ajax
<!DOCTYPE html> <html> <head> <script src="http://libs.baidu.com/jquery/1.10.2/jquery.min.js"></script> <script type="text/javascript"> var countdown=60; function settime(obj) { if (countdown == 0) { obj.removeAttribute("disabled"); obj.value="免费获取验证码"; countdown = 60; return; } else { obj.setAttribute("disabled", true); obj.value="重新发送(" + countdown + ")"; countdown--; } setTimeout(function() { settime(obj) } ,1000) } </script> <body> <input type="button" id="btn" value="免费获取验证码" onclick="settime(this)" /> </body> </html>
时间： 2024-10-06 12:30:24