Table冻结表头的js实现代码。
Table冻结表头：
<script type="text/javascript">
//冻结table的表头
function fixupFirstRow(tab) {
var div=tab.parentNode;
if(div.className.toLowerCase()=="freezediv"){
tab.rows[0].style.zIndex="1";
tab.rows[0].style.position="relative";
div.onscroll = function(){
var tr = tab.rows[0];
tr.style.top = this.scrollTop-(this.scrollTop==0?1:2);
tr.style.left=-1;
}
}
}
//加载//by www.jbxue.com
window.onload = function(){
var tab=document.getElementById("freezedivTable");
if(tab){
fixupFirstRow(tab);
}
}
</script>
html源码：
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<script type="text/javascript">
function fixupFirstRow(tab) {
var div=tab.parentNode;
if(div.className.toLowerCase()=="freezediv"){
tab.rows[0].style.zIndex="1";
tab.rows[0].style.position="relative";
div.onscroll = function(){
var tr = tab.rows[0];
tr.style.top = this.scrollTop-(this.scrollTop==0?1:2);
tr.style.left=-1;
}
}
} window.onload = function(){
var tab=document.getElementById("freezedivTable");
if(tab){
fixupFirstRow(tab);
}
}
</script>
</head>
<body>
<div class="freezediv" style="width:100%;height:100px;overflow:auto;">
<table id="freezedivTable" style="width:100%;" border="1">
<tr bgcolor="white">
<th width="25%">序号</th>
<th width="25%">内容</th>
<th width="25%">序号</th>
<th width="25%">内容</th>
</tr>
<tr>
<td>1</td>
<td>内容</td>
<td>11</td>
<td>内容</td>
</tr>
<tr>
<td>2</td>
<td>内容</td>
<td>22</td>
<td>内容</td>
</tr>
<tr>
<td>3</td>
<td>内容</td>
<td>33</td>
<td>内容</td>
</tr>
<tr>
<td>4</td>
<td>内容</td>
<td>44</td>
<td>内容</td>
</tr>
<tr>
<td>5</td>
<td>内容</td>
<td>55</td>
<td>内容</td>
</tr>
<tr>
<td>6</td>
<td>内容</td>
<td>66</td>
<td>内容</td>
</tr>
<tr>
<td>7</td>
<td>内容</td>
<td>77</td>
<td>内容</td>
</tr>
<tr>
<td>8</td>
<td>内容</td>
<td>88</td>
<td>内容</td>
</tr>
<tr>
<td>9</td>
<td>内容</td>
<td>99</td>
<td>内容</td>
</tr>
<tr>
<td>10</td>
<td>内容</td>
<td>1010</td>
<td>内容</td>
</tr>
</table>
</div>
</body>
</html>