<!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 >
< meta http-equiv = "Content-Type" content = "text/html; charset=utf-8" />
< title >jQuery手机发送验证码倒计时代码</ title >
< link href = "css/jb51.css" type = "text/css" rel = "stylesheet" />
</ head >
< body >
< div class = "form" >
< div class = "div-name" >
< label for = "name" >用户名</ label >< input type = "text" id = "name" class = "infos" placeholder = "请输入用户名" />
</ div >
< div class = "div-phone" >
< label for = "phone" >手机</ label >< input type = "text" id = "phone" class = "infos" placeholder = "请输入手机" />
< a href = "javascript:;" class = "send1" onclick = "sends.send();" >发送验证码</ a >
</ div >
< div class = "div-ranks" >
< label for = "ranks" >验证码</ label >< input type = "text" id = "ranks" class = "infos" placeholder = "请输入验证码" />
</ div >
< div class = "div-conform" >
< a href = "javascript:;" class = "conform" onclick = "sends.conform();" >提交</ a >
</ div >
</ div >
< script src = "js/jquery-1.8.3.min.js" ></ script >
< script >
var sends = {
checked:1,
send:function(){
var numbers = /^1\d{10}$/;
var val = $(‘#phone‘).val().replace(/\s+/g,""); //获取输入手机号码
if($(‘.div-phone‘).find(‘span‘).length == 0 && $(‘.div-phone a‘).attr(‘class‘) == ‘send1‘){
if(!numbers.test(val) || val.length ==0){
$(‘.div-phone‘).append(‘< span class = "error" >手机格式错误</ span >‘);
return false;
}
}
if(numbers.test(val)){
var time = 30;
$(‘.div-phone span‘).remove();
function timeCountDown(){
if(time==0){
clearInterval(timer);
$(‘.div-phone a‘).addClass(‘send1‘).removeClass(‘send0‘).html("发送验证码");
sends.checked = 1;
return true;
}
$(‘.div-phone a‘).html(time+"S后再次发送");
time--;
return false;
sends.checked = 0;
}
$(‘.div-phone a‘).addClass(‘send0‘).removeClass(‘send1‘);
timeCountDown();
var timer = setInterval(timeCountDown,1000);
}
}
}
</ script >
</ body >
</ html >
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