一:先上效果图:
二:源代码文件:reg.html:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title></title>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.8.2/jquery.min.js" type="text/javascript"></script>
<script type="text/javascript">
/*-------------------------------------------*/
var InterValObj; //timer变量,控制时间
var count = 120; //间隔函数,1秒执行
var curCount;//当前剩余秒数
var code = ""; //验证码
var codeLength = 6;//验证码长度
function sendMessage() {curCount = count;var phone=$("#phone").val();//手机号码if(phone != ""){//产生验证码for (var i = 0; i < codeLength; i++) {code += parseInt(Math.random() * 9).toString();}//设置button效果,开始计时$("#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:JSONurl: 'Login.ashx', //目标地址data: "phone=" + phone + "&code=" + code,error: function (XMLHttpRequest, textStatus, errorThrown) { },success: function (msg){ }});}else{alert("手机号码不能为空!");}
}
//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");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 }else {curCount--;$("#btnSendCode").val("请在" + curCount + "秒内输入验证码");}
}
</script>
</head>
<body>
<form><div><font color="red">*</font>手机号码:</div><div><input type="text" id="phone" name="phone"/></div><div><font color="red">*</font>验证码:</div><div><input type="text" id="checkCode" name="checkCode" size="6"/><input id="btnSendCode" type="button" value="发送验证码" οnclick="sendMessage()" /></div>
</form>
</body>
</html>
三:详情请看之前的博客:http://blog.csdn.net/sxdtzhaoxinguo/article/details/34437591