Div + CSS 进行网页布局，适当地运用 absolute 与 relative，能给布局带来意想不到的效果和方便，达到事半功倍，最近在有一篇关于 absolute 与 relative 的运用的文章，但讲解不全面，不容易读懂。下面我尝试写下一些我的看法，希望对你有帮助…详细讲解两者的关系，需要配合例子，请先看例子：
<!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>Div + CSS Example, Wayhome's Blog</title> <style type="text/css"> <!-- body,td,th{font-family:Verdana;font-size:9px;} --> </style></head> <body> <div style="position:absolute; top:5px; right:20px; width:200px; height:180px; background:#00FF00;"> position: absolute;<br /> top: 5px;<br /> right: 20px;<br /> <div style="position:absolute; left:20px; bottom:10px; width:100px; height:100px; background:#00FFFF;"> position: absolute;<br /> left: 20px;<br /> bottom: 10px;<br /> </div> </div> <div style="position:absolute; top:5px; left:5px; width:100px; height:100px; background:#00FF00;"> position: absolute;<br /> top: 5px;<br /> left: 5px;<br /> </div> <div style="position:relative; left:150px; width:300px; height:50px; background:#FF9933;"> position: relative;<br /> left: 150px;<br /> <br /> width: 300px; height: 50px; <br /> </div> <div style="text-align:center; background:#ccc;"> <div style="margin:0 auto; width:600px; background:#FF66CC; text-align:left;"> <p>1</p> <p>2</p> <p>3</p> <p>4</p> <p>5</p> <div style="padding:20px 0 0 20px; background:#FFFF00;"> padding: 20px 0 0 20px; <div style="position:absolute; width:100px; height:100px; background:#FF0000;">position: <span style="color:#fff; ">absolute</span>;</div> <div style="position:relative; left:200px; width:500px; height:300px; background:#FF9933;"> position: <span style="color:blue;">relative</span>;<br /> left: 200px;<br /> <br /> width: 300px;<br /> height: 300px;<br /> <div style="position:absolute; top:20px; right:20px; width:100px; height:100px; background:#00FFFF;"> position: absolute;<br /> top: 20px;<br /> right: 20px;<br /></div> <div style="position:absolute; bottom:20px; left:20px; width:100px; height:100px; background:#00FFFF;"> position: absolute;<br /> bottom: 20px;<br /> left: 20px;<br /> </div> </div> </div> </div> </div> </body> </html>
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