想实现可关闭的网页底部图片广告

<!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>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>右下角的弹窗</title>
</head>
<style type="text/css">
body { background:#333333;}
#winpop { width:200px; height:0px; position:absolute; right:0; bottom:0; 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;bottom:0px; 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 show_pop(){//显示窗口
document.getElementById("winpop").style.display="block";
timer=setInterval("changeH(4)",2);//调用changeH(4),每0.002秒向上移动一次
}
function hid_pop(){//隐藏窗口
timer=setInterval("changeH(-4)",2);//调用changeH(-4),每0.002秒向下移动一次
}
function changeH(addH) {
var MsgPop=document.getElementById("winpop");
var popH=parseInt(MsgPop.style.height||MsgPop.currentStyle.height);//用parseInt将对象的高度转化为数字,以方便下面比较（JS读<style>中的height要用"currentStyle.height"）
if (popH<=100&&addH>0||popH>=4&&addH<0){//如果高度小于等于100(str>0)或高度大于等于4(str<0)
MsgPop.style.height=(popH+addH).toString()+"px";//高度增加或减少4个象素
}
else{//否则
clearInterval(timer);//取消调用,意思就是如果高度超过100象素了,就不再增长了，或高度等于0象素了，就不再减少了
MsgPop.style.display=addH>0?"block":"none"//向上移动时窗口显示,向下移动时窗口隐藏（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
setTimeout("show_pop()",800);//0.8秒后调用show_pop()
}
</script>
<body>
<div id="silu">
<br />
<button onclick="show_pop()">测试按钮</button>
</div>
<div id="winpop">
<div class="title">您有新的消息<span class="close" onclick="hid_pop()">X</span></div>
    <div class="con">未读信息(1)</div>
</div>
</body>
</html>
<!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>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>右下角的弹窗_浮动</title>
</head>
<style type="text/css">
body { background:#333333;}
#winpop { width:200px; height:0px; position:absolute; left:1px; bottom:0; 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}
.close { position:absolute; right:4px; top:-1px; color:#FFFFFF; cursor:pointer}
</style><script type="text/javascript">
/*--窗口展缩--*/
function show_pop(){//显示窗口
$("winpop").style.display="block";
timer=setInterval("changeH(4)",2);
}
function hid_pop(){//隐藏窗口
timer=setInterval("changeH(-4)",2);
}
function changeH(addH) {//窗口展缩
var MsgPop=$("winpop");
var popH=parseInt(MsgPop.style.height||MsgPop.currentStyle.height);
var popT=parseInt(MsgPop.offsetTop);
if (popH<=100&&addH>0||popH>=4&&addH<0){
MsgPop.style.height=(popH+addH)+"px";
MsgPop.style.top=popT-addH+"px";
}
else{
clearInterval(timer);
MsgPop.style.display=addH>0?"block":"none"
if (addH>0)timer=setInterval(Float,1);//设置浮动
else {clearInterval(timer);}
}
}
window.onload=function(){
setTimeout("show_pop()",500);
}
</script>
<script language="JavaScript" type="text/javascript">
/*--窗口浮动--*/function $(id){return document.getElementById(id)}
function get_diffY(){//获取滚动条位置（顶高）值
var diffY
if (document.documentElement && document.documentElement.scrollTop)
diffY = document.documentElement.scrollTop;
else if (document.body)
diffY = document.body.scrollTop
else
    diffY=0
return diffY
}
function get_diffH(){//获取窗口高
var diffH
if (document.documentElement && document.documentElement.offsetHeight)
diffH = document.documentElement.offsetHeight;
else if (document.body)
diffH = document.body.offsetHeight;
else
    diffH=0
return diffH
}var lastScrollY=0;
function get_percent(){//获取浮动移动步幅
var percent=.1*(get_diffY()-lastScrollY);
if(percent>0)percent=Math.ceil(percent);
else percent=Math.floor(percent);
return percent
}function Float(){//窗口浮动
var percent=get_percent();
var obj=$("winpop");
obj.style.top=parseInt(obj.offsetTop)+percent+"px";
lastScrollY=lastScrollY+percent;
}window.onresize=function(){
var obj=$("winpop");
obj.style.top=get_diffH()+"px";
lastScrollY=obj.offsetHeight+5;
}</script><body>
<div id="winpop">
<div class="title">您有新的消息<span class="close" onclick="hid_pop()">X</span></div>
    <div class="con">未读信息(1)</div>
</div>
<div style="height:1000px"></div>
</body>
</html>

调试易

想实现可关闭的网页底部图片广告

解决方案 »