复制代码 代码如下:
<SCRIPT language="JavaScript">
function DrawImage(ImgD,FitWidth,FitHeight){
var image=new Image();
image.src=ImgD.src;
if(image.width>0 && image.height>0){
if(image.width/image.height>= FitWidth/FitHeight){
if(image.width>FitWidth){
ImgD.width=FitWidth;
ImgD.height=(image.height*FitWidth)/image.width;
}
else{
ImgD.width=image.width;
ImgD.height=image.height;
}
}
else{
if(image.height>FitHeight){
ImgD.height=FitHeight;
ImgD.width=(image.width*FitHeight)/image.height;
}
else{
ImgD.width=image.width;
ImgD.height=image.height;
}
}
}
}
</script>
调用方法：
复制代码 代码如下:
<a href="admin/<? echo $rscase['path']?>" target="_blank"><img src="admin/<? echo $rscase['path']?>" alt="点击放大图片" width="180" height="180" onload='javascript:DrawImage(this,180,);' hspace="3" vspace="3" border="0" /></a>
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