前端界面进行自适应布局之positon属性使用
最近使用position属性进行界面布局，在以后的开发中将要经常使用，便于以后使用方便特别把样式写在这里：
<!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" style="margin:0px; padding:0px; width:100%; height:100%;">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>all a</title>
</head>
<body style="margin:0px; padding:0px; width:100%; height:100%;">
<div style="width:200px; height:99.5%; background-color: #999;">
<div style="width:200px; height:250px; background:#b2b2b2; border:1px solid red;">
<a href="www.baidu.com">baidu</a>
<a href="www.baidu.com">baidu</a>
<a href="www.baidu.com">baidu</a>
<a href="www.baidu.com">baidu</a>
<a href="www.baidu.com">baidu</a>
</div>
<div style="width:200px; background:#2b2b2b; color:#fff; position:absolute; top:250px; bottom:0px; left:0px; border:1px solid blue;">
aaaaaaaaaaaaaaaa
</div>
</div>
<div style="height:100%; background:#efefef; color:#2b2b2b; position:absolute; top:0px; bottom:0px; left:200px; right:0px;">
<div style="width:100%; height:60px; background:blue; color:#fff;">
content
</div>
<div style="width:200px; background:#2b2b2b; color:#fff; position:absolute; top:60px; bottom:0px; left:0px; border:1px solid blue;">
aaaaaaaaaaaaaaaa
</div>
</div>
<script language="javascript">
function addTarget(){
var allAitem = document.getElementsByTagName("a");
var allAnum = allAitem.length;
for(var i=0; i<allAnum; i++){
allAitem[i].setAttribute("target","_blank");
}
}
addTarget();
</script>
</body>
</html>
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