代码如下:

<style type=\"text/css\">
<!--
body,table, td, a {font:9pt;}
/*重点：固定行头样式*/
.scrollRowThead{position: relative;
left: expression(this.parentElement.parentElement
.parentElement.parentElement.scrollLeft);
z-index:0;}
/*重点：固定表头样式*/
.scrollColThead {position: relative;
top: expression(this.parentElement.parentElement
.parentElement.scrollTop);
z-index:2;}
/*行列交叉的地方*/
.scrollCR { z-index:3;}
/*div外框*/
.scrollDiv {height:200px;clear: both;
border: 1px solid #EEEEEE;
OVERFLOW: scroll;width: 320px; }
/*行头居中*/
.scrollColThead td,.scrollColThead th
{ text-align: center ;}
/*行头列头背景*/
.scrollRowThead,.scrollColThead td,.scrollColThead th
{background-color:EEEEEE;}
/*表格的线*/
.scrolltable{
border-bottom:1px solid #CCCCCC;
border-right:1px solid #CCCCCC; }
/*单元格的线等*/
.scrolltable td,.scrollTable th{
border-left: 1px solid #CCCCCC;
border-top: 1px solid #CCCCCC;
padding: 5px; }
-->
</style>
<h1>利用CSS代码让Table产生固定表头</h1>
<h3>www.865171.cn</h3>
<div id=\"scrollDiv\" class=\"scrollDiv\" >
<table border=\"0\" cellpadding=\"3\" cellspacing=\"0\" width=\"400\" class=\"scrollTable\">
<tr class=\"scrollColThead\" >
<th class=\"scrollRowThead scrollCR\" >&nbsp;</th>
<th colspan=\"2\">列头</th>
<th colspan=\"2\">列头</th>
</tr>
<tr class=\"scrollColThead\" >
<th class=\"scrollRowThead scrollCR\" >h1</th>
<th >h2</th>
<th >h3</th>
<th >h4</th>
<th >h5</th>
</tr>
<tr>
<td class=\"scrollRowThead\" >
<input type=\"checkbox\" name=\"checkbox\" value=\"checkbox\">
a</td>
<td>单元格2</td>
<td>单元格3</td>
<td>单元格4</td>
<td>单元格5</td>
</tr>
<tr>
<td class=\"scrollRowThead\" >
<input type=\"checkbox\" name=\"checkbox2\" value=\"checkbox\">
b</td>
<td>单元格2</td>
<td>单元格3</td>
<td>单元格4</td>
<td>单元格5</td>
</tr>
<tr>
<td nowrap class=\"scrollRowThead\" >
<input type=\"checkbox\" name=\"checkbox3\" value=\"checkbox\">
c</td>
<td nowrap>单元格2</td>
<td nowrap>单元格3</td>
<td nowrap>单元格4</td>
<td nowrap>单元格5</td>
</tr>
<tr>
<td class=\"scrollRowThead\" >
<input type=\"checkbox\" name=\"checkbox4\" value=\"checkbox\">
d</td>
<td>单元格2</td>
<td>单元格3</td>
<td>单元格4</td>
<td>单元格5</td>
</tr>
<tr>
<td class=\"scrollRowThead\" >
<input type=\"checkbox\" name=\"checkbox5\" value=\"checkbox\">
e</td>
<td>单元格2</td>
<td>单元格3</td>
<td>单元格4</td>
<td>单元格5</td>
</tr>
<tr>
<td class=\"scrollRowThead\" >
<input type=\"checkbox\" name=\"checkbox6\" value=\"checkbox\">
f</td>
<td>单元格2</td>
<td>单元格3</td>
<td>单元格4</td>
<td>单元格5</td>
</tr>
<tr>
<td class=\"scrollRowThead\" >
<input type=\"checkbox\" name=\"checkbox7\" value=\"checkbox\">
g</td>
<td>单元格2</td>
<td>单元格3</td>
<td>单元格4</td>
<td>单元格5</td>
</tr>
</table>
</div>