<!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=gb2312" />
<title>圖片自動等比例縮小且垂直置中</title>
<!--[if lte IE 6]>
<script type="text/javascript" language="javascript">
function imgFix() {
//定義要限制的圖片寬高,這個寬高要同style裡面定義的相同，小於限定高寬的圖片不操作
var widthRestriction = 90;
var heightRestriction = 90;
var allElements = document.getElementsByTagName('*')
for (var i = 0; i < allElements.length; i++)
{
if (allElements[i].className.indexOf('imgBox') >= 0)
{
var imgElements = allElements[i].getElementsByTagName('img');
for (var j=0; j < imgElements.length; j++)
{
if ( imgElements[j].width > widthRestriction || imgElements[j].height > heightRestriction )
{
if ( imgElements[j].width > imgElements[j].height)
{
imgElements[j].height = imgElements[j].height*(widthRestriction/imgElements[j].width);
imgElements[j].width = widthRestriction;
} else
{
imgElements[j].width = imgElements[j].width*(heightRestriction/imgElements[j].height);
imgElements[j].height = heightRestriction;
}
}
if ( imgElements[j].height < heightRestriction )
{
imgElements[j].style.paddingTop = ( heightRestriction -imgElements[j].height ) /2 + "px";
}
} /*for j*/
}
}/*for i*/
}
window.onload = imgFix;
</script>
<![endif]-->
<style type="text/css">
<!--
* {}{
margin:0;
padding:0;
}
.imgBox li {}{
list-style:none;
width:90px; /**//* 寬度 */
height:90px; /**//* 高度 */
background:#ccc;
border:1px solid #666;
text-align:center;
margin:5px;
line-height:90px;
}
.imgBox img {}{
max-width:90px; /**//* 寬度 */
max-height:90px; /**//* 高度 */
vertical-align:middle;
}
-->
</style>
</head>
<body>
<ul class="imgBox">
<li><img src="http://192.168.1.103/hibeans/web/images/temporary/imgget111.jpg" alt="img" /></li>
<li><img src="http://192.168.1.103/hibeans/web/images/temporary/imgget112.jpg" alt="img" /></li>
<li><img src="http://192.168.1.103/hibeans/web/images/temporary/imgget113.jpg" alt="img" /></li>
<li><img src="http://192.168.1.103/hibeans/web/images/temporary/imgget114.jpg" alt="img" /></li>
<li><img src="http://192.168.1.103/hibeans/web/images/temporary/imgget1.jpg" alt="img" /></li>
<li><img src="http://192.168.1.103/hibeans/web/images/temporary/imgget2.jpg" alt="img" /></li>
<li><img src="http://192.168.1.103/hibeans/web/images/temporary/imgget3.jpg" alt="img" /></li>
<li><img src="http://192.168.1.103/hibeans/web/images/temporary/imgget4.jpg" alt="img" /></li>
</ul>
</body>
</html>
css 解決方案：
max-width:80px; max-height:80px; *_width: expression(this.width > 80 && this.width > this.height ? 80 : true); *_height: expression(this.height > 80 ? 80 : true);
