<!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" οnclick="settime(this)" />
</body>
</html>
-------------------------------经验-----------------------
注意；写成setTimeout("RemainTime(),1000)"调用不了!
-------------------------------------------------------------function getcode(){
var telphone = $("#username").val();
$.ajax({
type:"POST",
url:"/index.php/Public/sendcode/",
dataType:"json",
data:{telphone:telphone},
success:function(data){
//判断是否发送成功!
if(data.errno==0) {
alert(data.errdesc);
RemainTime();
} else {
alert(data.errdesc);
return false;
}
}
})
}
var iTime = 59;
var Account;
function RemainTime(){
$('#get_code').attr('disabled',false);
var iSecond,sSecond="",sTime="";
if (iTime >= 0){
iSecond = parseInt(iTime`);
iMinute = parseInt(iTime/60)
if (iSecond >= 0){
if(iMinute>0){
sSecond = iMinute + "分" + iSecond + "秒";
}else{
sSecond = iSecond + "秒";
}
}
sTime = sSecond;
if(iTime==0){
clearTimeout(Account);
sTime='获取手机验证码';
iTime = 59;
$('#get_code').attr('disabled',false);
}else{
iTime=iTime-1;
Account = setTimeout(function(){RemainTime()},1000);//注意；写成setTimeout("RemainTime(),1000)"调用不了!
//alert(Account);
}
}else{
sTime='没有倒计时';
}
$('#get_code').html(sTime);
}
$("#register_btn").on('click',func);
$("#get_code").on('click',getcode);
