页面右下角消息提示

<%@ page language="java" contentType="text/html;charset=gbk"
pageEncoding="gbk"%>
<%@ taglib prefix="s" uri="/struts-tags"%>
<%
String basePath = request.getScheme() + "://"
+ request.getServerName() + ":" + request.getServerPort();
String path = basePath + request.getContextPath() + "/";
%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>右下角的弹窗,消息框</title>
</head>
<style type="text/css">
#winpop { width:200px; height:0px; position:absolute; right:5px; bottom:5px; border:1px solid #999999; margin:0; padding:1px; overflow:hidden; display:none; background:#FFFFFF}
#winpop .title { width:100%; height:20px; line-height:20px; background:#FFCC00; font-weight:bold; text-align:center; font-size:12px;}
#winpop .con { width:100%; height:80px; line-height:80px; font-weight:bold; font-size:12px; color:#FF0000; text-decoration:underline; text-align:center}
#silu { font-size:13px; color:#999999; position:absolute; right:0; text-align:right; text-decoration:underline; line-height:22px;}
.close { position:absolute; right:4px; top:-1px; color:#FFFFFF; cursor:pointer}
</style>
<script type="text/javascript">
function tips_pop(){
var MsgPop=document.getElementById("winpop");//获取窗口这个对象,即ID为winpop的对象
var popH=parseInt(MsgPop.style.height);//用parseInt将对象的高度转化为数字,以方便下面比较
if (popH==0){         //如果窗口的高度是0
MsgPop.style.display="block";//那么将隐藏的窗口显示出来
show=setInterval("changeH('up')",2);//开始以每0.002秒调用函数changeH("up"),即每0.002秒向上移动一次
}
else {         //否则
hide=setInterval("changeH('down')",2);//开始以每0.002秒调用函数changeH("down"),即每0.002秒向下移动一次
}
}
function changeH(str) {
var MsgPop=document.getElementById("winpop");
var popH=parseInt(MsgPop.style.height);
if(str=="up"){     //如果这个参数是UP
if (popH<=100){    //如果转化为数值的高度小于等于100
MsgPop.style.height=(popH+4).toString()+"px";//高度增加4个象素
}
else{
clearInterval(show);//否则就取消这个函数调用,意思就是如果高度超过100象度了,就不再增长了
}
}
if(str=="down"){
if (popH>=4){       //如果这个参数是down
MsgPop.style.height=(popH-4).toString()+"px";//那么窗口的高度减少4个象素
}
else{        //否则
clearInterval(hide);    //否则就取消这个函数调用,意思就是如果高度小于4个象度的时候,就不再减了
MsgPop.style.display="none";  //因为窗口有边框,所以还是可以看见1~2象素没缩进去,这时候就把DIV隐藏掉
}
}
}
window.onload=function(){    //加载
document.getElementById('winpop').style.height='0px';//我不知道为什么要初始化这个高度,CSS里不是已经初始化了吗,知道的告诉我一下
setTimeout("tips_pop()",800);     //3秒后调用tips_pop()这个函数
}
</script>
<body>
<div id="silu">
</div>
<div id="winpop">
<div class="title">您有新的消息<span class="close" onclick="tips_pop()">X</span></div>
<div class="con">未读信息(1)</div>
</div>
</body>
</html>

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转载自xiyuliuguang.iteye.com/blog/1949061