大家好，又见面了，我是全栈君，今天给大家准备了Idea注册码。
效果：http://hovertree.com/texiao/nav/1/
代码如下：
<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>可控制导航下拉方向的jQuery下拉菜单代码 - 何问起</title> <base target="_blank" /> <style> .nav * { margin: 0; padding: 0; list-style: none; } .nav { width: 700px; height: 30px; line-height: 30px; margin: 2px auto; } .nav li a { color: #fff; text-decoration: none; display: block; float: left; height: 30px; line-height: 30px; padding: 0px 15px; font-size: 12px; background: #636871; } .nav li a:hover { background: #4b505a; } .nav li { float: left; position: relative; height: 30px; line-height: 30px; } .nav li .second { position: absolute; left: 0; display: none; } .hovertreeinfo { width: 100%; height: 234px; text-align: center; } .hovertreeinfo a { color: blue; } </style> </head> <body> <div class="hovertreeinfo"> <h1>jQuery上弹菜单</h1> <a href="http://hovertree.com/h/bjaf/kxl2s00m.htm">原文</a> <a href="http://hovertree.com">首页</a> <a href="http://hovertree.com/texiao/">特效</a> <a href="http://hovertree.com/texiao/keleyi/">推荐</a> <a href="http://hovertree.com/texiao/nav/1/1.htm">Demo 2</a> </div> <ul class="nav"> <li> <a href='http://hovertree.com/'>首页</a> <div class="second"> <a href='http://hovertree.com/texiao/'>特效</a> <a href='http://hovertree.com/map/'>导航</a> <a href='http://hovertree.com/hvtart/bjae/5w5svpu4.htm'>菜单</a> <a href='http://hovertree.com/h/bjae/0st5ww13.htm'>磨砂</a> </div> </li> <li> <a href='http://hovertree.com/h/bjaf/qufo9d03.htm'>菜单导航</a> <div class="second"> <a href='http://keleyi.com/'>柯乐义</a> <a href='http://hovertree.com/code/css/uofyn8bc.htm'>何问起</a> <a href='http://hovertree.com/texiao/jeasyui/2/'>EasyUI</a> <a href='http://hovertree.com/texiao/keleyi/'>Keleyi</a> </div> </li> <li> <a href='http://hovertree.com/h/bjaf/citydate.htm'>时间日期</a> <div class="second"> <a href='http://hovertree.com/h/bjaf/jshour.htm'>时间日期</a> <a href='http://hovertree.com/code/javascript/sqchrhfe.htm'>时间日期</a> <a href='http://hovertree.com/h/bjaf/p49wvx4e.htm'>时间日期</a> <a href='http://hovertree.com/h/bjaf/46xrokmy.htm'>时间日期</a> </div> </li> <li> <a href='http://hovertree.com/hvtart/bjae/yqhu1ug9.htm'>焦点图</a> <div class="second"> <a href='http://hovertree.com/h/bjaf/8c5uhche.htm'>焦点图</a> <a href='http://hovertree.com/hvtart/bjae/f03e85410878db53.htm'>焦点图</a> <a href='http://hovertree.com/code/jquery/smjv6d0n.htm'>焦点图</a> <a href='http://hovertree.com/h/bjaf/a6598spx.htm'>焦点图</a> </div> </li> <li> <a href='http://hovertree.com/h/bjaf/sk1tputv.htm'>tab标签</a> <div class="second"> <a href='http://hovertree.com/hvtart/bjae/wokffp10.htm'>tab标签</a> <a href='http://hovertree.com/h/bjae/9glhm7lv.htm'>tab标签</a> <a href='http://hovertree.com/h/bjaf/uoarumwr.htm'>tab标签</a> <a href='http://hovertree.com/h/bjaf/s6y2vlsx.htm'>tab标签</a> </div> </li> <li> <a href='http://hovertree.com/h/bjaf/gundong.htm'>jquery特效</a> <div class="second"> <a href='http://hovertree.com/h/bjaf/picqiehuan.htm'>jquery特效</a> <a href='http://hovertree.com/h/bjaf/41eyinh2.htm'>jquery特效</a> <a href='http://hovertree.com/h/bjaf/vc8993j8.htm'>jquery特效</a> <a href='http://hovertree.com/h/bjaf/6sm1esjw.htm'>jquery特效</a> </div> </li> <li> <a href='http://hovertree.com/hvtart/bjae/yjm6v683.htm'>在线客服</a> <div class="second"> <a href='http://hovertree.com/h/bjaf/mbrpxe4o.htm'>在线客服</a> <a href='http://hovertree.com/h/bjaf/tishiceng.htm'>在线客服</a> <a href='http://hovertree.com/h/bjaf/1kquypy7.htm'>在线客服</a> <a href='http://hovertree.com/h/bjaf/5mkg51yt.htm'>在线客服</a> </div> </li> <li> <a href='http://hovertree.com/h/bjaf/3dxfknkj.htm'>广告代码</a> <div class="second"> <a href='http://hovertree.com/h/bjaf/c03itibx.htm'>广告代码</a> <a href='http://hovertree.com/h/bjaf/kqud99m6.htm'>广告代码</a> <a href='http://hovertree.com/h/bjaf/ajw4dsfb.htm'>广告代码</a> <a href='http://hovertree.com/h/bjaf/ws50ueia.htm'>广告代码</a> </div> </li> <li> <a href='http://hovertree.com/h/bjaf/l3c6nm7b.htm'>相册代码</a> <div class="second"> <a href='http://hovertree.com/hvtart/bjae/upnrkt1d.htm'>相册代码</a> <a href='http://hovertree.com/h/bjaf/gk8mko69.htm'>相册代码</a> <a href='http://hovertree.com/texiao/css/23/'>相册代码</a> <a href='http://hovertree.com/texiao/html5/30/'>相册代码</a> </div> </li> </ul> <div class="hovertreeinfo"></div> <script type="text/javascript" src="http://down.hovertree.com/jquery/jquery-1.8.3.min.js"></script> <script type="text/javascript"> $(function () { var nav = 1; // 默认值为0，二级菜单向下滑动显示；值为1，则二级菜单向上滑动显示 if (nav == 0) { $('.nav li').hover(function () { $('.second', this).css('top', '30px').show(); }, function () { $('.second', this).hide(); }); } else if (nav == 1) { $('.nav li').hover(function () { $('.second', this).css('bottom', '30px').show(); }, function () { $('.second', this).hide(); }); } }); </script> </body> </html>
转自：http://hovertree.com/h/bjaf/kxl2s00m.htm
特效：http://www.cnblogs.com/roucheng/p/texiao.html
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