<!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>css实现背景图片自适应大小</title>
</head>
<body>
<html>
<style>
body{
margin:0px;
padding: 0px;
width: 100%;
height: 100%;
}
#bg_bg{
width: 100%;
height: 100%;
border : 0px red solid;
background-image: url(‘https://ss0.baidu.com/-Po3dSag_xI4khGko9WTAnF6hhy/super/whfpf%3D68%2C40%2C50/sign=816023f01a178a82ce692ce0903e45b5/5bafa40f4bfbfbeda822ef437cf0f736afc31f96.jpg‘);
background-repeat: no-repeat;
background-size: 100% 100%;
}
</style>
<body>
<div id="bg_bg">
</div>
</body>
</body>
</html>
<script>
document.getElementById(‘bg_bg‘).style.height=document.body.scrollHeight+"px";
</script>
时间： 2024-12-27 13:58:27