1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 2 3 <html xmlns="http://www.w3.org/1999/xhtml"> 4 <head> 5 <title></title> 6 <script src="HTML/js/jquery-1.4.1.min.js" type="text/javascript"></script> 7 <script type="text/javascript"> 8 9 /*-------------------------------------------*/ 10 var InterValObj; //timer变量，控制时间 11 var count = 5; //间隔函数，1秒执行 12 var curCount;//当前剩余秒数 13 var code = ""; //验证码 14 var codeLength = 6;//验证码长度 15 function sendMessage() { 16 curCount = count; 17 var dealType; //验证方式 18 var uid=$("#uid").val();//用户uid 19 if ($("#phone").attr("checked") == true) { 20 dealType = "phone"; 21 } 22 else { 23 dealType = "email"; 24 } 25 //产生验证码 26 for (var i = 0; i < codeLength; i++) { 27 code += parseInt(Math.random() * 9).toString(); 28 } 29 //设置button效果，开始计时 30 $("#btnSendCode").attr("disabled", "true"); 31 $("#btnSendCode").val("请在" + curCount + "秒内输入验证码"); 32 InterValObj = window.setInterval(SetRemainTime, 1000); //启动计时器，1秒执行一次 33 //向后台发送处理数据 34 $.ajax({ 35 type: "POST", //用POST方式传输 36 dataType: "text", //数据格式:JSON 37 url: 'Login.ashx', //目标地址 38 data: "dealType=" + dealType +"&uid=" + uid + "&code=" + code, 39 error: function (XMLHttpRequest, textStatus, errorThrown) { }, 40 success: function (msg){ } 41 }); 42 } 43 //timer处理函数 44 function SetRemainTime() { 45 if (curCount == 0) { 46 window.clearInterval(InterValObj);//停止计时器 47 $("#btnSendCode").removeAttr("disabled");//启用按钮 48 $("#btnSendCode").val("重新发送验证码"); 49 code = ""; //清除验证码。如果不清除，过时间后，输入收到的验证码依然有效 50 } 51 else { 52 curCount--; 53 $("#btnSendCode").val("请在" + curCount + "秒内输入验证码"); 54 } 55 } 56 </script> 57 </head> 58 <body> 59 <input id="btnSendCode" type="button" value="发送验证码" onclick="sendMessage()" /></p> 60 </body> 61 </html>