将如下代码放入<head></head>中：
<html><head>
<script type="text/javascript" language="javascript">
<!--
function PreviewImg(imgFile,showPicDiv){
var newPreview = document.getElementById("newPreview");
var imgDiv = document.createElement("div");
document.body.appendChild(imgDiv);
imgDiv.style.width = "118px"; imgDiv.style.height = "127px";
imgDiv.style.filter="progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod = scale)";
imgDiv.filters.item("DXImageTransform.Microsoft.AlphaImageLoader").src = imgFile.value;
newPreview.appendChild(imgDiv);
var showPicUrl = document.getElementById(showPicDiv);
showPicUrl.innerText=imgFile.value;
newPreview.style.width = "80px";
newPreview.style.height = "60px";
}
-->
</script>
</head><body>
在页面中加入如下代码：
<div id="newPreview"></div>
<div id="showPicUrl"></div>
<hr />
<p>
选择图片：<input type="file" size="20" onchange="javascript:PreviewImg(this,'showPicUrl');" />
</p>
</body></html>
