<div class="tab"> <div class="tab_menu"> <ul> <li class="selected">个人信息</li> <li class="selected">我的照片</li> <li class="selected">我的博客</li> <div class="clear"></div> </ul> </div> <div class="tab_box"> <div class="box">我的QQ:1511109272</div> <div class="box hide">hi </div> <div class="box hide"> hello <br> </div> </div> </div>

$(function() { //网页选项卡的切换 var $menu_li = $("div.tab_menu ul li"); $menu_li.click(function(){ $(this).addClass("selected") //当前<li>高亮 .siblings().removeClass("selected"); //去掉其它同辈<li>的高亮 var index = $menu_li.index( $(this) ); //找到<li>子节点的索引 $("div.tab_box > div") //索引为N的DIV显示出来 .eq(index).show() .siblings().hide(); }) })

.clear{ clear:both; height:0px; overflow:hidden;} .tab{ width:400px; font-size:12px;} .tab_menu ul{ padding:0px;margin:0px;} .tab_menu li{ list-style:none; display:block; float:left; background:#C2CEFE; height:22px; line-height:22px; padding: 0px 8px; margin-right:6px; border:#86B4CA 1px solid; } .box{ width:400px; height:200px; overflow:hidden; border:#A8C9D9 1px solid; padding:10px 8px; } .tab_menu ul li.selected{background:#dadada; cursor:pointer; } .hide{ display:none;}