无法屏蔽的网页右下角浮动窗口
临时给网站添加一个页面，需要用到弹出窗口，看网上看到一篇好的例子，就此借用。主要用到javascript，效果图如下：css可以据个人情况更改。
以下为代码：
- <!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>无法屏蔽的网页右下角浮动窗口</title>
- <meta http-equiv="content-type" content="text/html;charset=utf-8">
- <style type="text/css">
- #msg_win{border:1px solid #710B97;background:#F9EFFC;width:240px;position:absolute;right:0px;font-size:12px;font-family:Arial;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:#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 background="shopvip_v9_full.jpg">
- <p style="height:1000px;"></p>
- <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">www.wangqi.com</div>
- <div id="msg_content">网奇主要从事网站建设，软件开发，系统开发，模板制作，域名主机和网络营销等业务。
- 欢迎大家垂询：<a href="http://www.wangqi.com">www.wangqi.com</a>
- </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];
- thisthis.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) }
- },10);
- },
- fx: function(a, b, c) {//缓冲计算
- var cMath = Math[(a - b) > 0 ? "floor": "ceil"],cc = 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() {
- meme.win.style.top = me.getY().top;
- me.show();
- },600);
- };
- window.onresize = function (){
- clearTimeout(rt);
- rt = setTimeout(function() {meme.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
- thisthis.minbtn.innerHTML=this.char[0];
- thisthis.closebtn.innerHTML=this.char[2];
- setTimeout(function() {//初始化最先位置
- me.win.style.display = 'block';
- meme.win.style.top = me.getY().foot;
- me.moveTo(me.getY().top);
- },0);
- return this;
- }
- };
- Message.init();
- </script>
- </body>
- </html>