用鼠标滚珠来放大缩小图片大小
来源：互联网 发布：淘宝岚家正品代购 编辑：程序博客网 时间：2024/06/11 04:09
<HTML>
<HEAD>
<title>WebForm4</title>
<meta name="GENERATOR" Content="Microsoft Visual Studio .NET 7.1">
<meta name="CODE_LANGUAGE" Content="C#">
<meta name="vs_defaultClientScript" content="JavaScript">
<meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5">
<script language="javascript">
function bbimg(o)
{
var zoom=parseInt(o.style.zoom, 10)||100;zoom+=event.wheelDelta/12;if (zoom>0) o.style.zoom=zoom+'%';
return false;
}
</script>
</HEAD>
<body MS_POSITIONING="GridLayout">
<form id="Form1" method="post" runat="server">
<img src="Images/mzs.jpg" onload="javascript:if(this.width>screen.width*0.7)this.style.width=screen.width*0.7;"
onmousewheel="return bbimg(this)">
</form>
</body>
</HTML>
