日期:2014-05-17  浏览次数:20656 次

CSS层 固定置顶部兼容IE6等以上浏览器
<!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>固定置顶</title>
<style type="text/css">

body {
background-image:url(about:blank);background-attachment:fixed; /* 置顶表格,防止在IE6刷屏 */
}

/*固定在顶部的表格*/
.topTableWrapper {
width: 100%;
height: 70px;
margin: 0px auto;
z-index:100;
_position: relative ;
_top:0px;
}
.topTable {
width: 100%;
float: left;
display: block;
z-index: 100;
overflow: visible;
position: fixed;
top: 0px; /* position fixed for IE6 */
_position: absolute;
_top: expression(documentElement.scrollTop + "px");

}
</style>
</head>
<body style="padding:0px; margin:0px;">
<div class="topTableWrapper">
<div class="topTable">
 <table width="100%" border="0" style="background-color:#0F6">
  <tr>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
  </tr>
  <tr>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
  </tr>
  <tr>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
  </tr>
</table>

</div>
</div>

<table width="100%" height="2500" border="1" >
  <tr>
    <td width="59">&nbsp;</td>
    <td width="59">&nbsp;</td>
    <td width="438">&nbsp;</td>
  </tr>
  <tr>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
  </tr>
  <tr>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
  </tr>
</table>





</body>
</html>

?

1 楼 dedepro 2012-06-07  
果然很强。