jQuery插件实现“点击获取验证码后60秒内禁止重新获取（防刷新）”

来源：互联网发布：武忠祥高数怎么样知乎编辑：程序博客网时间：2024/05/09 01:12

转自：jQuery插件实现“点击获取验证码后60秒内禁止重新获取（防刷新）”

效果图
这里写图片描述

先到官网（http://plugins.jquery.com/）下载jquery.cookie.js插件，放到相应文件夹，代码如下：

<!DOCTYPE html><html><head>    <meta charset="utf-8">    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">    <title>Examples</title>    <meta name="description" content="">    <meta name="keywords" content="">    <script src="js/jquery.min.js" ></script>    <script src="js/jquery.cookie.js" ></script>    <style type="text/css">        * {margin: 0; padding: 0; font-family: "Microsoft Yahei";}        .captcha-box {width: 360px; height: 34px; margin: 30px; padding: 30px; border: #956E6F 1px dashed; border-radius: 5px; background-color: #FAF2F2;}        #mobile { float: left; width: 180px; height: 32px; border: #e5e5e5 1px solid; line-height: 32px; text-indent: 8px; outline: none;}        #getting {float: left; height: 34px; margin-left: -1px; padding: 0 18px; text-align: center;  line-height: 34px; border: #e5e5e5 1px solid; background: linear-gradient(0deg, #f4f2f2 0%,#fbf9f9 100%); cursor: pointer; outline: none;}    </style>    <script>        $(function(){            /*防刷新：检测是否存在cookie*/            if($.cookie("captcha")){                var count = $.cookie("captcha");                var btn = $('#getting');                btn.val(count+'秒后可重新获取').attr('disabled',true).css('cursor','not-allowed');                var resend = setInterval(function(){                    count--;                    if (count > 0){                        btn.val(count+'秒后可重新获取').attr('disabled',true).css('cursor','not-allowed');                        $.cookie("captcha", count, {path: '/', expires: (1/86400)*count});                    }else {                        clearInterval(resend);                        btn.val("获取验证码").removeClass('disabled').removeAttr('disabled style');                    }                }, 1000);            }            /*点击改变按钮状态，已经简略掉ajax发送短信验证的代码*/            $('#getting').click(function(){                var btn = $(this);                var count = 60;                var resend = setInterval(function(){                    count--;                    if (count > 0){                        btn.val(count+"秒后可重新获取");                        $.cookie("captcha", count, {path: '/', expires: (1/86400)*count});                    }else {                        clearInterval(resend);                        btn.val("获取验证码").removeAttr('disabled style');                    }                }, 1000);                btn.attr('disabled',true).css('cursor','not-allowed');            });        });</script></head><body>    <div class="captcha-box">        <input type="text" id="mobile" maxlength="11" placeholder="请输入手机号码">        <input type="button" id="getting" value="获取验证码">    </div></body></html>

0 0