JQuery学习（一）
<%@ page language="java" import="java.util.*" pageEncoding="GBK"%><%String path = request.getContextPath();String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html> <head> <base href="<%=basePath%>"> <title>My JSP 'index.jsp' starting page</title><meta http-equiv="pragma" content="no-cache"><meta http-equiv="cache-control" content="no-cache"><meta http-equiv="expires" content="0"> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"><meta http-equiv="description" content="This is my page"><link rel="stylesheet" type="text/css" href="css/default.css"><script type="text/javascript" src="js/jquery-1.7.js"></script><script type="text/javascript"> $(function(){ // 等待DOM加载完毕.var $category = $('ul li:gt(5):not(:last)'); // 获得索引值大于5的品牌集合对象(除最后一条)$category.hide(); // 隐藏上面获取到的jQuery对象。var toggleBtn = $('div.showmore > a'); // 获取“显示全部品牌”按钮toggleBtn.click(function(){ if($category.is(":visible")){$category.hide(); // 隐藏$category$(this).find('span').css("background","url(img/down.gif) no-repeat 0 0") .text("显示全部品牌"); //改变背景图片和文本$('ul li').removeClass("promoted");// 去掉高亮样式 }else{$category.show(); // 显示$category$(this).find('span').css("background","url(img/up.gif) no-repeat 0 0") .text("精简显示品牌"); //改变背景图片和文本$('ul li').filter(":contains('佳能'),:contains('尼康'),:contains('奥林巴斯')").addClass("promoted");//添加高亮样式 }return false; //超链接不跳转})})</script> </head> <body><div class="SubCategoryBox"><ul><li ><a href="#">佳能</a><i>(30440) </i></li><li ><a href="#">索尼</a><i>(27220) </i></li><li ><a href="#">三星</a><i>(20808) </i></li><li ><a href="#">尼康</a><i>(17821) </i></li><li ><a href="#">松下</a><i>(12289) </i></li><li ><a href="#">卡西欧</a><i>(8242) </i></li><li ><a href="#">富士</a><i>(14894) </i></li><li ><a href="#">柯达</a><i>(9520) </i></li><li ><a href="#">宾得</a><i>(2195) </i></li><li ><a href="#">理光</a><i>(4114) </i></li><li ><a href="#">奥林巴斯</a><i>(12205) </i></li><li ><a href="#">明基</a><i>(1466) </i></li><li ><a href="#">爱国者</a><i>(3091) </i></li><li ><a href="#">其它品牌相机</a><i>(7275) </i></li></ul><div class="showmore"><a href="more.html"><span>显示全部品牌</span></a></div></div> </body></html>
