要實現的是head foot固定，中間地區隨內容高度自適應，拖動捲軸時foot永遠居底。
SolarDreamStudios的方案給了我一個很好的思路，但關鍵區段是原創的，一直以為會比SolarDreamStudios的方案好，結果仔細看他們的代碼，才發現其實原理都差不多，不過他們似乎在相容性上下了更多工夫，具體未測試。
A. 寬度100%自適應
結構代碼
| 代碼如下 | 複製代碼 |
| <body> <div id="head">head</div> <div id="head_height"></div> <div id="middle"></div> <div id="foot_height"></div> <div id="foot">foot</div> </body> |
|
表現代碼
| 代碼如下 | 複製代碼 |
| #head { width:100%; text-align:center; background:#FF9400; height:100px; position:absolute; top:0;} #head_height { height:100px;} #middle { margin:20px;} #foot { width:100%; text-align:center; background:#f00; height:100px; position:absolute; bottom:0;} * html #foot { bottom:-1px;} #foot_height { height:100px;} |
|
B. 寬度固定置中
結構代碼
| 代碼如下 | 複製代碼 |
| <body> <div id="head"> <div id="head_content">head</div> </div> <div id="head_height"></div> <div id="middle"></div> <div id="foot_height"></div> <div id="foot"> <div id="foot_content">foot</div> </div> </body> |
|
表現代碼
| 代碼如下 | 複製代碼 |
| #head { width:100%; text-align:center; position:absolute; top:0; left:0;} #head_content { line-height:100px; width:700px; margin:0 auto; background:#FF9400; height:100px;} #head_height { height:100px;} #middle { margin:20px;} #foot { width:100%; text-align:center; position:absolute; bottom:0;} * html #foot { bottom:-1px;} #foot_content { line-height:100px; width:700px; margin:0 auto; background:#f00; height:100px;} #foot_height { height:100px;} |
|
測試環境IE6.0和FF1.5，IE環境下因為BUG有時會自動出現捲軸（SolarDreamStudios的方案一樣），FF下為完美效果。
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