javascript图片大小处理函数<br />
<br />
<script language=Javascript><br />
var proMaxHeight = 150;<br />
var proMaxWidth = 110;<br />
<br />
function proDownImage(ImgD){<br />
var image=new Image();<br />
image.src=ImgD.src;<br />
if(image.width>0 && image.height>0){<br />
var rate = (proMaxWidth/image.width < proMaxHeight/image.height)?<br />
<br />
proMaxWidth/image.width:proMaxHeight/image.height;<br />
if(rate <= 1){ <br />
ImgD.width = image.width*rate;<br />
ImgD.height =image.height*rate;<br />
}<br />
else {<br />
ImgD.width = image.width;<br />
ImgD.height =image.height;<br />
}<br />
}<br />
}<br />
//--><br />
</script><br />
<br />
<img src="2.jpg" onload="proDownImage(this)"><br />
根据图片大小缩放图片。