利用CSS实现固定表头（支持竖向固定，横向拖动） -

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利用CSS实现固定表头（支持竖向固定，横向拖动）

CSS IE Opera HTML JavaScript

现在又找到一份，但是还是有些问题没有解决，第一是将DIV的高度设置为百分比的时候，一定要设置好DIV所在容器的高度，第二是如果表格设置了背景图片，背景图片还是会往上拉走。

<!doctype html public "-//w3c//dtd html 4.0 strict//en">
<html>
<head>
<style>
body { 
    background-color: #F0F0F0 ; 
    font: 11px "verdana","Arial";
    width:90%;
    margin-left:auto;
    margin-right:auto;    
    }

.tScroll {
    border: 1px #7494BF solid;
    background-color: #ffffff;
      overflow: scroll;
    overflow-x:hidden;
    height:100px;
    cursor: default;
    }

tr.tableHead {
    position:relative;
    background-color:#BFCEE7;
    height: 16px; 
    text-align: center;
    }

td {  
    font: 11px "Verdana", "Arial"; 
    }

td.asBtn{    
    border: #7494BF solid;
    border-width: 0px 1px 1px 0px; 
    }

table {
    border:0px;
    width:100%;
    }
</style>
</head>
<body>
<div class="tScroll" id="tC">
<table cellspacing="0" cellpadding="0">
<tr class="tableHead" onselectstart="return false"style="top:expression(document.getElementById('tC').scrollTop)">
<td class="asBtn">heading1</td>
<td class="asBtn">heading2</td><td class="asBtn">heading3</td>
<td class="asBtn">heading4</td><td class="asBtn">heading5</td>
<td class="asBtn">heading6</td>
</tr>
<tr><td>cell1</td><td>cell</td><td>cell</td><td>cell</td><td>cell</td><td>cell</td></tr>
<tr><td>cell</td><td>cell</td><td>cell</td><td>cell</td><td>cell</td><td>cell</td></tr>
<tr><td>cell</td><td>cell</td><td>cell</td><td>cell</td><td>cell</td><td>cell</td></tr>
</table>
</div>
</body>
</html>

以前是通过Javascript来实时计算滚动条的运行状况，而动态设置表头的，现在可以通过简单的CSS设置实现了。
下面的代码是从网上找到的，已经灰常灰常古老了，原文地址为：http://www.iwms.net/n1101c40.aspx
希望给大家带来帮助~~

<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"><head>  
<style type="text/css">  
<!--  
body {  
background: #FFF;  
color: #000;  
font: normal normal 12px Verdana, Geneva, Arial, Helvetica, sans-serif;  
margin: 10px;  
padding: 0  
}  

table, td, a {  
color: #000;  
font: normal normal 12px Verdana, Geneva, Arial, Helvetica, sans-serif  
}  

.td  
{  
nowrap:’’true’’;  
}  

div.tableContainer {  
clear: both;  
border: 1px solid #963;  
height: 285px;  
overflow: auto;  
width: 100%;  
}  

/* WinIE 6.x needs to re-account for it’’s scrollbar. Give it some padding */  
\html div.tableContainer/* */ {  
padding: 0 16px 0 0  
}  

/* clean up for allowing display Opera 5.x/6.x and MacIE 5.x */  
html>body div.tableContainer {  
height: auto;  
padding: 0;  
width: 740px  
}  

/* Reset overflow value to hidden for all non-IE browsers. */  
/* Filter out Opera 5.x/6.x and MacIE 5.x */  
head:first-child+body div[class].tableContainer {  
height: 285px;  
overflow: hidden;  
width: 756px  
}  

/* define width of table. IE browsers only */  
/* if width is set to 100%, you can remove the width */  
/* property from div.tableContainer and have the div scale */  
div.tableContainer table {  
float: left;  
width: 100%  
}  

/* WinIE 6.x needs to re-account for padding. Give it a negative margin */  
\html div.tableContainer table/* */ {  
margin: 0 -16px 0 0  
}  

/* define width of table. Opera 5.x/6.x and MacIE 5.x */  
html>body div.tableContainer table {  
float: none;  
margin: 0;  
width: 740px  
}  

/* define width of table. Add 16px to width for scrollbar. */  
/* All other non-IE browsers. Filter out Opera 5.x/6.x and MacIE 5.x */  
head:first-child+body div[class].tableContainer table {  
width: 756px  
}  

/* set table header to a fixed position. WinIE 6.x only */  
/* In WinIE 6.x, any element with a position property set to relative and is a child of */  
/* an element that has an overflow property set, the relative value translates into fixed. */  
/* Ex: parent element DIV with a class of tableContainer has an overflow property set to auto */  
thead.fixedHeader tr {  
position: relative;  
/* expression is for WinIE 5.x only. Remove to validate and for pure CSS solution */  
top: expression(document.getElementById("tableContainer").scrollTop)  
}  


/* set THEAD element to have block level attributes. All other non-IE browsers */  
/* this enables overflow to work on TBODY element. All other non-IE, non-Mozilla browsers */  
/* Filter out Opera 5.x/6.x and MacIE 5.x */  
head:first-child+body thead[class].fixedHeader tr {  
display: block  
}  

/* make the TH elements pretty */  
thead.fixedHeader th {  
background: #C96;  
border-left: 1px solid #EB8;  
border-right: 1px solid #B74;  
border-top: 1px solid #EB8;  
font-weight: normal;  
padding: 4px 3px;  
text-align: center  
}  

/* make the A elements pretty. makes for nice clickable headers */  
thead.fixedHeader a, thead.fixedHeader a:link, thead.fixedHeader a:visited {  
color: #FFF;  
display: block;  
text-decoration: none;  
width: 100%  
}  

/* make the A elements pretty. makes for nice clickable headers */  
/* WARNING: swapping the background on hover may cause problems in WinIE 6.x */  
thead.fixedHeader a:hover {  
color: #FFF;  
display: block;  
text-decoration: underline;  
width: 100%  
}  

/* define the table content to be scrollable */  
/* set TBODY element to have block level attributes. All other non-IE browsers */  
/* this enables overflow to work on TBODY element. All other non-IE, non-Mozilla browsers */  
/* induced side effect is that child TDs no longer accept width: auto */  
/* Filter out Opera 5.x/6.x and MacIE 5.x */  
head:first-child+body tbody[class].scrollContent {  
display: block;  
height: 262px;  
overflow: auto;  
width: 100%  
}  

/* make TD elements pretty. Provide alternating classes for striping the table */  
/* http://www.alistapart.com/articles/zebratables/ */  
tbody.scrollContent td, tbody.scrollContent tr.normalRow td {  
background: #FFF;  
border-bottom: 1px solid #EEE;  
border-left: 1px solid #EEE;  
border-right: 1px solid #AAA;  
border-top: 1px solid #AAA;  
padding: 2px 3px  
}  

tbody.scrollContent tr.alternateRow td {  
background: #EEE;  
border-bottom: 1px solid #EEE;  
border-left: 1px solid #EEE;  
border-right: 1px solid #AAA;  
border-top: 1px solid #AAA;  
padding: 2px 3px  
}  

/* define width of TH elements: 1st, 2nd, and 3rd respectively. */  
/* All other non-IE browsers. Filter out Opera 5.x/6.x and MacIE 5.x */  
/* Add 16px to last TH for scrollbar padding */  
/* http://www.w3.org/TR/REC-CSS2/selector.html#adjacent-selectors */  
head:first-child+body thead[class].fixedHeader th {  
width: 200px  
}  

head:first-child+body thead[class].fixedHeader th + th {  
width: 250px  
}  

head:first-child+body thead[class].fixedHeader th + th + th {  
border-right: none;  
padding: 4px 4px 4px 3px;  
width: 316px  
}  

/* define width of TH elements: 1st, 2nd, and 3rd respectively. */  
/* All other non-IE browsers. Filter out Opera 5.x/6.x and MacIE 5.x */  
/* Add 16px to last TH for scrollbar padding */  
/* http://www.w3.org/TR/REC-CSS2/selector.html#adjacent-selectors */  
head:first-child+body tbody[class].scrollContent td {  
width: 200px  
}  

head:first-child+body tbody[class].scrollContent td + td {  
width: 250px  
}  

head:first-child+body tbody[class].scrollContent td + td + td {  
border-right: none;  
padding: 2px 4px 2px 3px;  
width: 300px  

/* expression is for WinIE 5.x only. Remove to validate and for pure CSS solution */  
top: expression(document.getElementById("tableContainer").scrollTop)  
}  
-->  
</style>  
</head><body>  
<div id="tableContainer" class="tableContainer">  
<table border="0" cellpadding="0" cellspacing="0" width="100%" class="scrollTable">  
<thead class="fixedHeader">  
<tr>  
<th><a href="#">Header 1</a></th>  
<th><a href="#">Header 2</a></th>  
<th><a href="#">Header 3</a></th>  
<th><a href="#">Header 4</a></th>  
<th><a href="#">Header 5</a></th>  
<th><a href="#">Header 6</a></th>  
<th><a href="#">Header 7</a></th>  
</tr>  
</thead>  
<tbody class="scrollContent">  
<tr>  
<td>Cell Content 1</td>  
<td>Cell Content 2</td>  
<td>Cell Content 3</td>  
<td>Cell Content 4</td>  
<td>Cell Content 5</td>  
<td>Cell Content 6</td>  
<td>Cell Content 7</td>  
</tr>  
<tr>  
<td>More Cell Content 1</td>  
<td>More Cell Content 2</td>  
<td>More Cell Content 3</td>  
<td>More Cell Content 4</td>  
<td>More Cell Content 5</td>  
<td>More Cell Content 6</td>  
<td>More Cell Content 7</td>  
</tr>
</tbody>  
</table>  
</div>  

</body></html>

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