<!doctype html> <html lang="en"> <head> <meta charset="UTF-8"> <title>demo</title> <style> /*tab切换的css*/ #wrap {width:100%; margin:0 auto; overflow: hidden;} #tit {height: 35px;width:100%;} #tit span {float: left; height: 30px; line-height: 30px; width: 25%; font-size: 20px; text-align: center; color: #333;cursor: pointer} #con div{display: none; height: auto; width: 100%; background: pink;font-size: 100px;line-height: 200px;} #tit span.select {border-bottom: 3px solid #009933; color: #009933;} #con div.show {display: block;width: 100%} </style> <style> /*问题和答案所需要的css*/ *{margin: 0;padding: 0} body{font-size: 12px;font-family: "微软雅黑";} ul{width: 100%} ul,li{list-style: none;} a:link,a:visited{text-decoration: none;color: #fff;} .list{width: 100%;border-bottom:solid 1px #316a91;margin:0 auto;} .list ul li{background-color:#467ca2; border:solid 1px #316a91; border-bottom:0;} .list ul li a{padding-left: 10px;color: #fff; font-size:12px; display: block; font-weight:bold; height:36px;line-height: 36px;position: relative; } .list ul li .inactive{ background:url(http://images.cnblogs.com/cnblogs_com/heyiming/947284/t_help.png) no-repeat right;} .list ul li .inactive{ background-size:16px 27px;} .list ul li .inactives{background:url(http://images.cnblogs.com/cnblogs_com/heyiming/947284/t_helpbot.png) no-repeat right;} .list ul li .inactives{background-size: 27px 16px;} .list ul li ul{display: none;} .list ul li ul li { border-left:0; border-right:0; background-color:#6196bb; border-color:#467ca2;} .list ul li ul li ul{display: none;} .list ul li ul li a{ padding-left:20px;} .list ul li ul li ul li { background-color:#d6e6f1; border-color:#6196bb; } .last{ background-color:#d6e6f1; border-color:#6196bb; } .list ul li ul li ul li a{ color:#316a91; padding-left:30px;} </style> </head> <body> <div id="wrap"> <div id="tit"> <span class="select">TAB1</span> <span>TAB2</span> <span>TAB3</span> <span>TAB4</span> </div> <ul id="con"> <div class="show div1"><!--装问题和答案的盒子--> <!--第一块的问题和答案开始--> <div class="list" style="display: block"> <ul class="yiji"> <li><a href="javascript:void(0)" class="inactive">TAB1-问题1</a> <ul style="display: none"> <li class="last"><a href="javascript:void(0)">TAB1-答案1</a></li> </ul> </li> <li><a href="javascript:void(0)" class="inactive">TAB1-问题2</a> <ul style="display: none"> <li class="last"><a href="javascript:void(0)">TAB1-答案2</a></li> </ul> </li> </ul> </div> <!--第一块的问题和答案结束--> </div> <div class="div1"> <!--第二块的问题和答案开始--> <div class="list" style="display: block"> <ul class="yiji"> <li><a href="javascript:void(0)" class="inactive">TAB2-问题1</a> <ul style="display: none"> <li class="last"><a href="javascript:void(0)">TAB2-答案1</a></li> </ul> </li> <li><a href="javascript:void(0)" class="inactive">TAB2-问题2</a> <ul style="display: none"> <li class="last"><a href="javascript:void(0)">TAB2-答案2</a></li> </ul> </li> </ul> </div> <!--第二块的问题和答案结束--> </div> <div class="div1"> <!--第三块的问题和答案开始--> <div class="list" style="display: block"> <ul class="yiji"> <li><a href="javascript:void(0)" class="inactive">TAB3-问题1</a> <ul style="display: none"> <li class="last"><a href="javascript:void(0)">TAB3-答案1</a></li> </ul> </li> <li><a href="javascript:void(0)" class="inactive">TAB3-问题2</a> <ul style="display: none"> <li class="last"><a href="javascript:void(0)">TAB3-答案2</a></li> </ul> </li> </ul> </div> <!--第三块的问题和答案结束--> </div> <div class="div1"> <!--第四块的问题和答案开始--> <div class="list" style="display: block"> <ul class="yiji"> <li><a href="javascript:void(0)" class="inactive">TAB4-问题1</a> <ul style="display: none"> <li class="last"><a href="javascript:void(0)">TAB4-答案1</a></li> </ul> </li> <li><a href="javascript:void(0)" class="inactive">TAB4-问题2</a> <ul style="display: none"> <li class="last"><a href="javascript:void(0)">TAB4-答案2</a></li> </ul> </li> </ul> </div> <!--第四块的问题和答案结束--> </div> </ul> </div> </body> </html> <script type="text/javascript" src="http://files.cnblogs.com/files/heyiming/jquery-2.1.4.min.js"></script> <script type="text/javascript"> /*tab切换所需要的js*/ $(document).ready(function() { $('.inactive').click(function(){ if($(this).siblings('ul').css('display')=='none'){ $(this).parent('li').siblings('li').removeClass('inactives'); $(this).addClass('inactives'); $(this).siblings('ul').slideDown(100).children('li'); if($(this).parents('li').siblings('li').children('ul').css('display')=='block'){ $(this).parents('li').siblings('li').children('ul').parent('li').children('a').removeClass('inactives'); $(this).parents('li').siblings('li').children('ul').slideUp(100); } }else{ //控制自身变成+号 $(this).removeClass('inactives'); //控制自身菜单下子菜单隐藏 $(this).siblings('ul').slideUp(100); /* //控制自身子菜单变成+号 $(this).siblings('ul').children('li').children('ul').parent('li').children('a').addClass('inactives'); */ //控制自身菜单下子菜单隐藏 $(this).siblings('ul').children('li').children('ul').slideUp(100); //控制同级菜单只保持一个是展开的（-号显示） $(this).siblings('ul').children('li').children('a').removeClass('inactives'); } }) }); </script> <script> /*问题-答案的js*/ $('#tit span').click(function() { var i = $(this).index();//下标第一种写法 //var i = $('tit').index(this);//下标第二种写法 $(this).addClass('select').siblings().removeClass('select'); $('#con .div1').eq(i).show().siblings().hide(); }); </script>
效果图：
