jQuery实现倒计时重新发送短信验证码功能示例

<a id="num" mark="1" >获取验证码</a>
</label>
<label id="get">
<input id="confirm" type="submit" value="提交抢占名额" />
</label>
<label>
<a href="/wamei/pages/activity/details.html" id="activity">查看活动详情</a>
</label>
</form>
<div class="bottom">
<span></span>
<img src="iponeImg/logo.png" />
<span></span>
</div>
<div id="success">
<div class="successImg">
<a class="close"></a>
<p><img src="iponeImg/chenggong.png" />恭喜提交成功</p>
<p style="padding-top: 0px;font-size: 23px;">分享一下，安抚激动的心</p>
</div>
</div>
</body>
</html>
<!-- scripts -->
<script src="/wamei/pages/js/jquery.min.js"></script>
<script src="/wamei/pages/js/jquery.form.js"></script>
<script src="/wamei/pages/js/bootstrap.min.js"></script>
<script src="/wamei/pages/js/Validform_v5.3.2.js"></script>
<script type="text/javascript">
$(function(){
//提交表单
$("#activityForm").Validform({
btnSubmit:"#confirm",
tiptype:function(msg){
if(msg != '' && msg!='通过信息验证！'){
alert(msg);
}
},
tipSweep:true,
beforeSubmit:function(){
saveForm();
return false;
}
});
});
//只允许在APP内打开
function isMobile(){
var u = navigator.userAgent;
var mobileFlag = u.indexOf('type/tfbrowser') > -1;
return mobileFlag;
}
//手机号码验证
$("#mobilePhone").blur(function(){
var mobilePhone =$("#mobilePhone").val();
var myreg = /^(((13[0-9]{1})|(14[0-9]{1})|(17[0]{1})|(15[0-3]{1})|(15[5-9]{1})|(18[0-9]{1}))+d{8})$/;
if(mobilePhone){
if(!myreg.test(mobilePhone)){
alert("请输入有效的手机号码！");
$("#mobilePhone").val("");
return ;
}
}
});
//发送短信验证码
$("#num").click(function(){
var mobilePhone =$("#mobilePhone").val();
var url="/wamei/activityController/sendValidCode.htm";
if(!mobilePhone){
alert("请输入您的手机号码！");
return ;
}
var mark = $("#num").attr("mark");
if("1"==mark){
settime(this);
$.post(url,{mobilePhone:mobilePhone},function(html){
var data = eval("("+html+")");
if(data && data.statusCode==1){
console.log("send success!");
alert("短信验证码已发送，请查收！");