<!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> <title>无标题页</title> <style type="text/css"> body{ margin:0px; } #head{ height:50px; background-color:lightGreen; } #nav{ float:left; width:100%; height:200px; background-color:gray; } #content { float:right; width:80%; height:600px; background-color:lightGray; } #foot{ height:50px; background-color:lightGreen; } .clearFloat{ clear:both; } #img { float:left; width:100%; height:200px; background-color:lightBlue; margin-bottom:0px; } #main { float:left; width:100%; margin-bottom:0px; } #navContainer{ float:left; width:20%; background-color:#eeeeee; margin-bottom:0px; } </style></head><body><div><div id="head">header</div><div class="clearFloat"></div><div id="main"><div id="navContainer"><div id="nav">tree</div><div class="clearFloat"></div><div id="img">image</div></div><div id="content">content</div></div><div class="clearFloat"></div><div id="foot">footer</div></div></body></html>
<style>*{margin:0;padding:0;}._main{border:1px solid #ABC;width:500px;min-height:400px;margin:10px auto;position:relative;padding-bottom:20px;}._main header{border:1px solid green;height:20px;width:200px;}._main footer{border:1px solid green;position:absolute;left:0;bottom:0;}</style><section class="_main"><header>Test Header</header>可添加N多内容尝试<br />aaa<br />aaa<footer>这儿是居左下的图片</footer></section>感谢回复，但是我这个程序要兼容不支持html5的浏览器
晕哦，你就这样感谢的啊，无满意结贴你也少得五十分！
不管怎么说我手动给你打代码测试了半天，没功劳还没苦劳啊~
