弹出提示框 自动消失
我们在进行增、删、改、查的时候，很多时候都需要一个提示信息以表明所做操作的成功等状况。有些人喜欢用alert()来提示，这不太人性化，因为alert()弹出来的提示框必须点确定才能继续进行其它操作。我所希望的做法是用一个div层来容纳这些友好提示信息，并能够自动消失
<!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=gb2312" />
<title>弹出提示框 自动消失</title>
<script language="javascript" type="text/javascript">
var speed=1000;
var wait=2;
var intTimeStep=20;
var isIe=(window.ActiveXObject)?true:false;
var intAlphaStep=(isIe)?5:0.05;
var curSObj=null;
var curOpacity=null;
function startObjVisible(objId)
{
curSObj=document.getElementById(objId);
if(wait==0)
{
setObjClose();
}
else
{
curSObj.style.display='';
setObjOpen();
wait--;
setTimeout("startObjVisible('objDiv')",speed);
}
}
function setObjOpen()
{
if(isIe)
{
curSObj.filters.alpha.opacity+=intAlphaStep;
if (curSObj.filters.alpha.opacity<100)
{
setTimeout('setObjOpen()',intTimeStep);
}
}
else
{
curOpacity+=intAlphaStep;
curSObj.style.opacity =curOpacity;
if (curOpacity<1) setTimeout('setObjOpen()',intTimeStep);
}
}
function setObjClose()
{
if(isIe)
{
curSObj.filters.alpha.opacity-=intAlphaStep;
if (curSObj.filters.alpha.opacity>0)
{
setTimeout('setObjClose()',intTimeStep);
}
else
{
curSObj.style.display="none";
}
}
else
{
curOpacity-=intAlphaStep;
if (curOpacity>0)
{
curSObj.style.opacity =curOpacity;
setTimeout('setObjClose()',intTimeStep);
}
else
{
curSObj.style.display='none';
}
}
}
</script>
</head>
<body>
<input type="button" onClick="startObjVisible('objDiv')" value="添加数据" />
<div id="objDiv" style="display:none; z-index:999; left:100px; filter:alpha(opacity=0);position:absolute; background-color:#FFCC66; height:100px; width:200px;">添加成功 </div>
</body>
</html>
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