jQuery实现倒计时按钮功能代码分享

2020-05-16 18:44:35易采站长站整理

代码一:


{
wait:90,

hsTime:function(that){

if (this.wait == 0) {
$('#hsbtn').removeAttr("disabled").val('重发短信验证码');
this.wait = 90;
} else {
var _this = this;
$(that).attr("disabled", true).val('在'+_this.wait+'秒后点此重发');
_this.wait--;
setTimeout(function() {
_this.hsTime(that);
}, 1000)
}
},
}

代码二:


<!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="HTML/js/jquery-1.4.1.min.js" type="text/javascript"></script>
<script type="text/javascript">
/*-------------------------------------------*/
var InterValObj; //timer变量,控制时间
var count = 5; //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 dealType; //验证方式
var uid=$("#uid").val();//用户uid
if ($("#phone").attr("checked") == true) {
dealType = "phone";
}
else {
dealType = "email";
}
//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: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");
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>
<input id="btnSendCode" type="button" value="发送验证码" onclick="sendMessage()" /></p>
</body>
</html>