网页右下角弹出广告窗,可以自行关闭的右下角弹窗

打开网页右下角弹出窗口,相信经常浏览网页的人已经非常熟悉,这咱弹窗效果最常用的就是广告和网站公告了,一打开网页就会弹出来,广告效果非常好,通过javascript实现的代码:

<!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>
<title>可最小化和关闭的右下角浮动窗口 小猪站长学院 JS代码下载</title>
<meta http-equiv="content-type" content="text/html;charset=gb2312">
<style type="text/css">
#msg_win{position:absolute;right:0px;display:none;overflow:hidden;z-index:99;border:1px solid #c00;background:#F9EFFC;width:240px;font-size:12px;margin:0px;}
#msg_win .icos{position:absolute;top:2px;*top:0px;right:2px;z-index:9;}
.icos a{float:left;color:#FFFFFF;margin:1px;text-align:center;font-weight:bold;width:14px;height:22px;line-height:22px;padding:1px;text-decoration:none;font-family:webdings;}
.icos a:hover{color:#FFCC00;}
#msg_title{background:#AC19E3;border-bottom:1px solid #710B97;border-top:1px solid #FFF;border-left:1px solid #FFF;color:#FFFFFF;height:25px;line-height:25px;text-indent:5px;font-weight:bold;}
#msg_content{margin:5px;margin-right:0;width:230px;height:126px;overflow:hidden;}
</style>
</head>
<body>
<div style="height:2000px;"></div>
<div id="msg_win" style="display:block;top:503px;visibility:visible;opacity:1;">
    <div class="icos"><a id="msg_min" title="最小化" href="javascript:void 0">_</a><a id="msg_close" title="关闭" href="javascript:void 0">×</a></div>
    <div id="msg_title">浮动窗口标题:</div>
    <div id="msg_content">资源共享博客neirong.org,收集自己需要的资源!</div>
</div>
<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bug
		this.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)	}
		},6);//10 to 6
    },
    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();
			}
		},6);//10 to 6
    },
    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();
			},100);//600 mod 100
		};
		window.onresize = function (){
		clearTimeout(rt);
		rt = setTimeout(function() {me.win.style.top = me.getY().top},100);
		}
    },
    init: function() {//创建HTML
		function $(id) {return document.getElementById(id)};
		this.win=$('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>
</body>
</html>

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关键词: javascript 弹窗广告