右下角JS广告，可关闭，可最小化

2024-09-05 12:22:41

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右下角JS广告，可关闭，可最小化，带点淡入淡出效果的右下角弹出广告。拖动时广告消失，拖动停止广告就出来了，带点渐变效果，而且右下角窗口的代码不算太复杂，仅供参考。

<html><head><title>右下角广告代码</title><style type="text/css">#msg_win{border:1px solid #A67901;background:#EAEAEA;width:300px;position:absolute;right:2;margin:0px;display:none;overflow:hidden;z-index:99;}#msg_win .icos{position:absolute;top:2px;*top:0px;right:2px;z-index:9;}.icos a{float:left;color:#833B02;margin:1px;text-align:center;text-decoration:none;font-family:webdings;}.icos a:hover{color:#fff;}#msg_title{background:#FECD00;border-bottom:1px solid #A67901;border-top:1px solid #FFF;border-left:1px solid #FFF;color:#000;height:25px;line-height:25px;text-indent:5px;}#msg_content{margin:2px;width:300px;height:200px;overflow:hidden;}</style></head><body><p style="height:1000px;"></p><div id="msg_win" style="display:block;top:490px;visibility:visible;opacity:1;"><div class="icos">_×</div><div id="msg_title">广而告之：</div><div id="msg_content"><img src="http://www.codefans.net/ad_include/zhubajie300_270.gif" width="300" height="270" border="0"></div></div></body></html><script language="javascript">var Message={set: function() {//最小化与恢复状态切换var set=this.minbtn.status == 1?[0,1,'block',this.char[0],'最小化']:[1,0,'none',this.char[1],'恢复'];this.minbtn.status=set[0];this.win.style.borderBottomWidth=set[1];this.content.style.display =set[2];this.minbtn.innerHTML =set[3]this.minbtn.title = set[4];this.win.style.top = this.getY().top;},close: function() {//关闭this.win.style.display = 'none';window.onscroll = null;},setOpacity: function(x) {//设置透明度var v = x >= 100 ? '': 'Alpha(opacity=' + x + ')';this.win.style.visibility = x<=0?'hidden':'visible';//IE有绝对或相对定位内容不随父透明度变化的bugthis.win.style.filter = v;this.win.style.opacity = x / 100;},show: function() {//渐显clearInterval(this.timer2);var me = this,fx = this.fx(0, 100, 0.1),t = 0;this.timer2 = setInterval(function() {t = fx();me.setOpacity(t[0]);if (t[1] == 0) {clearInterval(me.timer2) }},10);},fx: function(a, b, c) {//缓冲计算var cMath = Math[(a - b) > 0 ? "floor": "ceil"],c = c || 0.1;return function() {return [a += cMath((b - a) * c), a - b]}},getY: function() {//计算移动坐标var d = document,b = document.body, e = document.documentElement;var s = Math.max(b.scrollTop, e.scrollTop);var h = /BackCompat/i.test(document.compatMode)?b.clientHeight:e.clientHeight;var h2 = this.win.offsetHeight;return {foot: s + h + h2 + 2+'px',top: s + h - h2 - 2+'px'}},moveTo: function(y) {//移动动画clearInterval(this.timer);var me = this,a = parseInt(this.win.style.top)||0;var fx = this.fx(a, parseInt(y));var t = 0 ;this.timer = setInterval(function() {t = fx();me.win.style.top = t[0]+'px';if (t[1] == 0) {clearInterval(me.timer);me.bind();}},10);},bind:function (){//绑定窗口滚动条与大小变化事件var me=this,st,rt;window.onscroll = function() {clearTimeout(st);clearTimeout(me.timer2);me.setOpacity(0);st = setTimeout(function() {me.win.style.top = me.getY().top;me.show();},600);};window.onresize = function (){clearTimeout(rt);rt = setTimeout(function() {me.win.style.top = me.getY().top},100);}},init: function() {//创建HTMLfunction $(id) {return document.getElementById(id)};this.win=$('msg_win');var set={minbtn: 'msg_min',closebtn: 'msg_close',title: 'msg_title',content: 'msg_content'};for (var Id in set) {this[Id] = $(set[Id])};var me = this;this.minbtn.onclick = function() {me.set();this.blur()};this.closebtn.onclick = function() {me.close()};this.char=navigator.userAgent.toLowerCase().indexOf('firefox')+1?['_','::','×']:['0','2','r'];//FF不支持webdings字体this.minbtn.innerHTML=this.char[0];this.closebtn.innerHTML=this.char[2];setTimeout(function() {//初始化最先位置me.win.style.display = 'block';me.win.style.top = me.getY().foot;me.moveTo(me.getY().top);},0);return this;}};Message.init();</script>

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