转，Jquery实现简单的翻页功能
<!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=utf-8" />
<title>分页</title>
<script type="text/javascript" src="http://ajax.aspnetcdn.com/ajax/jQuery/jquery-1.7.2.min.js"></script>
<script type="text/javascript">
$(document).ready( function() {
var total = Math.ceil($("ul li").length / 3);
var current = 1;
$("ul li:gt(2)").hide();
$("#btnPrev").attr("disabled", "disabled").click( function() {
$("#btnNext").removeAttr("disabled");
current -= 1;
$("ul li").show();
var indexStart = (current - 1) * 3;
var indexEnd = indexStart + 2;
$("li:lt(" + indexStart + "), li:gt(" + indexEnd + ")", $("ul")).hide();
if (current == 1) $(this).attr("disabled", "disabled");
});
$("#btnNext").click( function() {
$("#btnPrev").removeAttr("disabled");
current += 1;
$("ul li").show();
var indexStart = (current - 1) * 3;
var indexEnd = current * 3 - 1 > $("ul li").length - 1 ? $("ul li").length - 1 : current * 3 - 1;
$("li:lt(" + indexStart + "), li:gt(" + indexEnd +")", $("ul")).hide();
if (current == total) $(this).attr("disabled", "disabled");
});
});
</script>
</head>
<body>
<ul>
<li>01</li>
<li>02</li>
<li>03</li>
<li>04</li>
<li>05</li>
<li>06</li>
<li>07</li>
</ul>
<input type="button" id="btnNext" value="上一页" /><input type="button" id="btnPrev" value="下一页" />
</body>
</html>