日期:2014-05-16 浏览次数:20392 次
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<style>
#align{
width: 600px;
height: 300px;
border: 1px solid black;
}
.center{
margin: 0 auto;
}
</style>
<script>
var adjustDivPosition = function() {
var docWidth = document.body.offsetWidth;
var docHeight= (
'innerHeight' in window? window.innerHeight :
document.compatMode!=='BackCompat'? document.documentElement.clientHeight : document.body.clientHeight
);
var divobj = document.getElementById("align");
var divWidth = divobj.offsetWidth;
var divHeight = divobj.offsetHeight;
//让图片左右居中显示
var marginleft=(docWidth-divWidth)/2;
divobj.style.marginLeft = marginleft + "px";
//让图片上下居中显示
var margintop=(docHeight-divHeight)/2;
divobj.style.marginTop = margintop + "px";
};
</script>
</head>
<body>
<div id="align"></div>
<script>
adjustDivPosition();
</script>
</body>
</html>