前端常用库-发送短信验证码倒计时60秒
</h1>
<div class="clear"></div>
<div class="postBody">
- 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>
<div class="clear"></div>
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