利用滚动条可实现全局数据数据的加载
<%@ page language="java" contentType="text/html; charset=gb2312"
pageEncoding="gb2312"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>滚动条事件</title>
<script language="javascript" src="jquery-1.4.2.js"></script>
<script type="text/javascript">
$(document).ready(function (){
var nScrollHight = 0; //滚动距离总长(注意不是滚动条的长度)
var nScrollTop = 0; //滚动到的当前位置
var nDivHight = $("#Layer3").height();
var a=0;
$("#Layer3").scroll(function(){
nScrollHight = $(this)[0].scrollHeight;
nScrollTop = $(this)[0].scrollTop;
var temp=nScrollTop -a;
if((temp)>200){
a=nScrollTop;
<!-- 只需要用ajax替换此部分即可
var str="";
for(var i=0;i<100;i++)
{
str+="<a href='#'>"+1231231+"</a><br>";
}
$("#Layer3").append(str);
--!>
}
});
});
</script>
</head>
<body>
<div id="Layer3" style="height:100px; width:200px; border: 1px solid #999999;padding: 1px;overflow:auto;">
<p>1231231</p>
<p>1231231</p>
<p>1231231</p>
<p>1231231</p>
<p>1231231</p>
<p>1231231</p>
<p>1231231</p>
<p>1231231</p>
<p>1231231</p>
<p>1231231</p>
<p>1231231</p>
<p>1231231</p>
<p>1231231</p>
<p>1231231</p>
<p>1231231</p>
<p>1231231</p>
<p>1231231</p>
<p>1231231</p>
<p>1231231</p>
<p>1231231</p>
<p>1231231</p>
<p>1231231</p>
<p>1231231</p>
<p>1231231</p>
</div>
</body>
</html>
