<%@ page language="java" contentType="text/html; charset=UTF-8"
??? pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>jQuery学习系统-导航条在项目中的应用</title>
<link href="/res/common.css" rel="stylesheet" type="text/css">
<style type="text/css">
#divFrame{
??? width:301px;
??? font-size:14px;
??? border:1px solid #00CCFF;
??? overflow:hidden;
}
#divFrame .clsHead{
??? padding:8px;
??? background-color:#EEE;
??? height:18px;
??? cursor:pointer;?
}
#divFrame .clsHead h3{
??? padding:0px;
??? margin:0px;
??? float:left;
}
#divFrame .clsHead span{
??? float:right;
??? margin-top:3px;
}
#divFrame .clsContent{
??? padding:8px;
}
#divFrame .clsContent ul{
??? list-style-type:none;
??? padding:0px;
??? margin:0px;
}
#divFrame .clsContent ul li{
??? float:left;
??? width:95px;
??? height:23px;
??? line-height:23px;
}
#divFrame .clsContent ul li:nth-child(n+6){
??? display:none;
}
#divFrame .clsContent ul li:nth-last-child(1){
??? display:block;
}
#divFrame .clsContent .clsBot{
??? float:right;
??? padding-top:5px;
??? padding-bottom:5px;
}
.getFocus{
??? background-color:#EEE;
}
</style>
<script type="text/javascript" src="/res/jquery-1.6.3.js"></script>
<script type="text/javascript">
??? $(document).ready(function(){
??? $(".clsHead").click(function(){
??? if($(".clsContent").is(":visible")){//如果列表内容可见
??? $(".clsHead span img").attr("src","/img/down.gif");//改变图片内容
??? $(".clsContent").css("display","none");//隐藏内容
??? }else{
??? $(".clsHead span img").attr("src","/img/up.gif");//改变图片内容
??? $(".clsContent").css("display","block");//显示内容
??? }
??? });
??? $(".clsBot > a").click(function(){
??? if($(".clsBot > a").text()=="简化"){
??? $("ul li:gt(4):not(:last)").hide();//可以看出li的index是从0开始的
??? $(".clsBot > a").text("更多");
??? $(".clsBot > img").attr("src","/img/down.gif");
??? }else{
??? $("ul li:gt(4):not(:last)").show().addClass("getFocus");
??? $(".clsBot > a").text("简化");
??? $(".clsBot > img").attr("src","/img/up.gif");
??? }
??? });
??? });
</script>
</head>
<body>
?? <div align="center">
??????? <div id="divFrame">
??????????? <div class="clsHead">
??????????????? <h3>图书分类</h3><span><img src="/img/up.gif" alt=""/></span>
??????????? </div>
??????????? <div class="clsContent">
?????????????? <ul>
????????????????? <li><a href="#">小说</a><i>(1110)</i></li>
????????????????? <li><a href="#">文艺</a><i>(230)</i></li>
????????????????? <li><a href="#">青春</a><i>(1560)</i></li>
????????????????? <li><a href="#">少儿</a><i>(1432)</i></li>
????????????????? <li><a href="#">生活</a><i>(870)</i></li>
????????????????? <li><a href="#">社科</a><i>(1460)</i></li>
????????????????? <li><a href="#">管理</a><i>(1450)</i></li>
????????????????? <li><a href="#">计算机</a><i>(1780)</i></li>
????????????????? <li><a href="#">教育</a><i>(930)</i></li>
????????????????? <li><a href="#">工具书</a><i>(3450)</i></li>
????????????????? <li><a href="#">引进版</a><i>(980)</i></li>
????????????????? <li><a href="#">其他类</a><i>(3230)</i></li>
?????????????? </ul>
?????????????? <div class="clsBot">
????????????????? <a href="#">更多</a><img src="/img/down.gif" alt=""/>
?????????????? </div>
??????????? </div>
??????? </div>
?? </div>
</body>
</html>
代码运行后的显示效果：（见附件）
?