middle 比左右倆邊 底一點
<!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=utf-8" />
<title>布局</title>
<style type="text/css">
boty{ margin:0; padding:0}
.left{ width:200px; height:500px; background:#ccc;position: absolute; left:0 ;top:0}
.middle{ height:500px; background:#999; margin:0 310px 0 210px}
.right{ width:300px; height:500px; background:#ddd;position: absolute; right:0 ;top:0 }
</style>
</head>
<body>
<div class="left">200px</div>
<div class="middle"> 參賽隊是對手防守對方分的氣氛如果輔導費干的其二個人風格俄方高度撒旦古典風格按時到崗梵蒂岡時代風格地方個時發過去啊的股市大幅殺跌分的發生輔導費發點阿飛阿斯分大是大非 </div>
<div class="right">300px</div>
</body>
</html>
2016-04-07
boty{ margin:0; padding:0}// 你的body寫錯了!!!!