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<!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>无标题文档</title>
</head>
<script type="text/javascript">
function loadimg(){
var img = new Image();
img.src=document.all.file.value;
alert( '上传图片的宽度为' + img.width +
'上传图片的高度为'+img.height+'上传图片的大小为'+size(img.fileSize));
document.getElementById('picdemo').src = img.src;
}
function size(len){
var kb=len/1024;
if(kb<1024)
return kb.toFixed(2)+"K";
else
{
var m=kb/1024;
return m.toFixed(2)+"M";
}
}
</script>
</head>
<body>
<table width="90%" border="0" cellspacing="0" cellpadding="0">
<tr>
<td>
<img width="60" height="60" id="picdemo">
</td>
<td>
<input type="file" id="file" class="allinput" onchange="loadimg();" />
<input type="submit" name="submit" value="上传" />
</td>
</tr>
</table>
</body>
</html>