一款非常适用的网站公告弹窗代码
Mr.刘 发布 | 2026-3-7 | 阅读量：194286
<!--弹窗核心样式开始-->
<link rel="stylesheet" href="https://www.qixiwangluo.com/jieshao/c/tc.css"><script src="https://code.jquery.com/jquery-3.1.1.min.js"></script>
<!--核心样式结束-->
</head>
<body>
<div class="layer"></div>
<div id="globalAd">
<div id='hero-img' style="background-color: #1a95ff;background: linear-gradient(to left, #5dadf3 0, #4583ca 100%);">
</div>
<div id='profile-img'>
<!--头像图片地址-->
<img src="https://www.qixiwangluo.com/images/avatar.jpg" />
</div>
<div id='content'>
<!--公告修改区域-->
<br><p style="font-size: 16px;font-weight: bold;">Mr.刘</p>
<br><p>提示：图片不显示，请点击刷新</p>
<br><p>七夕云壁纸系统，提供简约高清壁纸</p>
<br><br><a href="javascript:location.reload();" onclick="redirectUrlToActive();" class="btn btn-default" rel='nofollow'>关闭弹窗</a>
<!--公告修改区域-->
</div>
</div>
<!--核心脚本参数-->
<script>
jQuery.cookie = function(name, value, options) {
if(typeof value != 'undefined') {
options = options || {};
if(value === null) {
value = '';
options.expires = -1;
}
var expires = '';
if(options.expires && (typeof options.expires == 'number' || options.expires.toUTCString)) {
var date;
if(typeof options.expires == 'number') {
date = new Date();
var totalTime = 25 * 240;
var hour = date.getHours();
var minutes = date.getMinutes();
var seconds = date.getSeconds();
var pastTime = 240 * hour + 6 * minutes + seconds;
var leftTime = totalTime - pastTime;
date.setTime(date.getTime() + (options.expires * leftTime * 100));
} else {
date = options.expires;
}
expires = '; expires=' + date.toUTCString();
}
var path = options.path ? '; path=' + (options.path) : '';
var domain = options.domain ? '; domain=' + (options.domain) : '';
var secure = options.secure ? '; secure' : '';
document.cookie = [name, '=', encodeURIComponent(value), expires, path, domain, secure].join('');
} else {
var cookieValue = null;
if(document.cookie && document.cookie != '') {
var cookies = document.cookie.split(';');
for(var i = 0; i < cookies.length; i++) {
var cookie = jQuery.trim(cookies[i]);
if(cookie.substring(0, name.length + 1) == (name + '=')) {
cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
break;
}
}
}
return cookieValue;
}
};
$(function() {
var COOKIE_NAME = "erdangjiade";
if($.cookie(COOKIE_NAME)) {
$(".layer").hide();
$("#globalAd").hide();
} else {
var erdangjiadeH = $(window).height();
var erdangjiadeW = $(window).width();
$(".layer").show();
$("#globalAd").css({
'top': erdangjiadeH / 2 - $("#globalAd").height() / 2,
'left': erdangjiadeW / 2 - $("#globalAd").width() / 2
});
// 弹窗下滑显示，30秒后自动关闭（修复定时器字符串传参问题）
$("#globalAd").slideDown(300, function() {
setTimeout(closeGlobalAd, 30000); // 30000毫秒=30秒，原5分钟改为30秒更合理
});
// 设置Cookie，30秒后过期（修复注释错误，保留原30秒逻辑）
$.cookie(COOKIE_NAME, "erdangjiade", {
path: '/',
expires: new Date(Date.now() + 30 * 1000) // 30*1000毫秒=30秒，Cookie30秒后过期
});
}
});
function closeGlobalAd() {
$('#globalAd').hide();
$('.layer').hide();
}
function redirectUrlToActive() {
$('#globalAd').hide();
$('.layer').hide();
}
</script>
</body>
<!--弹窗核心样式结束-->
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