<!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>图片自动等比例缩小且垂直居中</title>
<!--[if lte IE 6]>
<script type=\"text/javascript\" language=\"javascript\">
function imgFix() {
//定义要限制的图片宽高,这个宽高要同style里面定义的相同，小于限定高宽的图片不操作
var widthRestriction = 200;
var heightRestriction = 200;
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:200px; /* 宽度 */
height:200px; /* 高度 */
background:#ccc;
border:1px solid #666;
text-align:center;
margin:5px;
line-height:200px;
}
.imgBox img {
max-width:200px; /* 宽度 */
max-height:200px; /* 高度 */
vertical-align:middle;
}
-->
</style>
</head>
<body>
<ul class=\"imgBox\">
<li><img src="......\" alt=\"img\" /></li>
<li><img src="......\" alt=\"img\" /></li>
<li><img src="......\" alt=\"img\" /></li>
<li><img src="......\" alt=\"img\" /></li>
</ul>
</body>
</html>
Example Source Code [www.21shipin.com]
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