效果圖：
代碼如下：
<!DOCTYPE html><html ><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>發(fā)送驗(yàn)證碼倒計(jì)時(shí)功能</title><style>@charset "utf-8";*{ margin:0; padding:0; list-style:none}body{ background:#EBECED; font-family:'微軟雅黑'}.form{width: 450px;height: auto; margin:100px auto; overflow:hidden;font-size: 16px;color: #1b1b1b;text-align: left; padding:50px; border:1px solid #ccc; border-radius:10px;}.form div{padding:5px 0;overflow: hidden;}.form label{width: 90px;display: block;float: left;}.form .infos{width:200px;height: 26px;line-height: 26px;border:1px solid #BFBFBF;padding:2px;border-radius:4px;float: left;}.form .div-phone a.send1{height: 26px;text-decoration:none;line-height: 26px;padding:2px;width: 80px;background: #AA8926;font-family: '宋體';color: #fff;font-size: 12px;text-align: center;display: block;float: left;border-radius:2px;margin-left:2px;-webkit-transition:all 0.2s linear;-moz-transition:all 0.2s linear;-ms-transition:all 0.2s linear;-o-transition:all 0.2s linear;transition:all 0.2s linear;}.form .div-phone a.send1:hover{text-decoration: none;background: #866c1b;-webkit-transition:all 0.2s linear;-moz-transition:all 0.2s linear;-ms-transition:all 0.2s linear;-o-transition:all 0.2s linear;transition:all 0.2s linear;}.form .div-phone a.send0{height: 26px;text-decoration:none;line-height: 26px;padding:2px;width: 80px;background: #A1A1A1;font-family: '宋體';color: #fff;font-size: 12px;text-align: center;display: block;float: left;border-radius:2px;margin-left:2px;}.form .div-phone a.send0:hover{background: #A1A1A1;font-family: '宋體';color: #fff;font-size: 12px;text-decoration: none;}.form span.error{height: 26px;line-height: 26px;padding:2px;width: 100px;color: red;padding-left:20px;display: block;float: left;margin-left:10px;font-size: 12px;font-family: '宋體';background: url(../images/error.png) no-repeat left center;}.form #phone{width: 116px;}.form .div-conform{padding-right:153px;}.form .div-conform a.conform{width: 136px;height: 34px;display: block;text-align: left;overflow: hidden;background: url(../images/btn.jpg) no-repeat;float: right;text-indent: -1000px;}</style></head><body><!--代碼部分begin--><div class="form"> <div class="div-name"> <label for="name">用戶名</label><input type="text" id="name" class="infos" placeholder="請輸入用戶名" /> </div> <div class="div-phone"> <label for="phone">手機(jī)</label><input type="text" id="phone" class="infos" placeholder="請輸入手機(jī)" /> <a href="javascript:;" rel="external nofollow" rel="external nofollow" class="send1" onclick="sends.send();">發(fā)送驗(yàn)證碼</a> </div> <div class="div-ranks"> <label for="ranks">驗(yàn)證碼</label><input type="text" id="ranks" class="infos" placeholder="請輸入驗(yàn)證碼" /> </div> <div class="div-conform"> <a href="javascript:;" rel="external nofollow" rel="external nofollow" class="conform" onclick="sends.conform();">提交</a> </div></div><script src="http://www.lanrenzhijia.com/ajaxjs/jquery.min.js"></script><script>var sends = { checked:1, send:function(){ var numbers = /^1/d{10}$/; var val = $('#phone').val().replace(//s+/g,""); //獲取輸入手機(jī)號(hào)碼 if($('.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">手機(jī)格式錯(cuò)誤</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("發(fā)送驗(yàn)證碼"); sends.checked = 1; return true; } $('.div-phone a').html(time+"S后再次發(fā)送"); time--; return false; sends.checked = 0; } $('.div-phone a').addClass('send0').removeClass('send1'); timeCountDown(); var timer = setInterval(timeCountDown,1000); } }}</script></body></html>以上就是本文的全部內(nèi)容，希望本文的內(nèi)容對大家的學(xué)習(xí)或者工作能帶來一定的幫助，同時(shí)也希望多多支持武林網(wǎng)！
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