今天介绍的这个菜单堪称极品啊，不过里面的有些图标丢失了，路径还留在那，真想使用的朋友自己制作两个折叠菜单的图标按路径传上去就行了，这个菜单是模仿QQ面板的菜单功能，很多朋友还是很喜欢这种功能的，没想到用这么少的JS代码也可实现 ，值得代签哦。
运行效果截图如下：
在线演示地址如下：
具体代码如下：
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML> <HEAD> <TITLE>QQ好友/黑名单的树型菜单</TITLE> </HEAD> <BODY> <script> if (!document.getElementById) document.getElementById = function() { return null; } function initializeMenu(menuId, actuatorId) { var menu = document.getElementById(menuId); var actuator = document.getElementById(actuatorId); if (menu == null || actuator == null) return; actuator.parentNode.style.backgroundImage = "url()"; actuator.onclick = function() { var display = menu.style.display; this.parentNode.style.backgroundImage = (display == "block") ? "url()" : "url()"; menu.style.display = (display == "block") ? "none" : "block"; return false; } } window.onload = function() { initializeMenu("productsMenu", "productsActuator"); initializeMenu("newPhonesMenu", "newPhonesActuator"); initializeMenu("compareMenu", "compareActuator"); } </script> <style> body { font-family: verdana, helvetica, arial, sans-serif; } #mainMenu { background-color: #EEE; border: 1px solid #CCC; color: #000; width: 203px; } #menuList { margin: 0px; padding: 10px 0px 10px 15px; } li.menubar { background: url() no-repeat 0em 0.3em; font-size: 12px; line-height: 1.5em; list-style: none outside; } .menu, .submenu { display: none; margin-left: 15px; padding: 0px; } .menu li, .submenu li { background: url() no-repeat 0em 0.3em; list-style: none outside; } a.actuator { background-color: transparent; color: #000; font-size: 12px; padding-left: 15px; text-decoration: none; } a.actuator:hover { text-decoration: underline; } .menu li a, .submenu li a { background-color: transparent; color: #000; font-size: 12px; padding-left: 15px; text-decoration: none; } .menu li a:hover, submenu li a:hover { text-decoration: underline; } span.key { text-decoration: underline; } </style> </head> <body> <div> <ul> <li> <a href="#">图秀地带收藏夹</a> <ul> <li> <a href="#">我的好友</a> <ul> <li><a href="#">张三[10000001]</a></li> <li><a href="#">李四[10000002]</a></li> <li><a href="#">张三[10000001]</a></li> <li><a href="#">李四[10000002]</a></li> </ul> </li> <li> <a href="#">陌生人</a> <ul> <li><a href="#">张三[10000001]</a></li> <li><a href="#">李四[10000002]</a></li> <li><a href="#">张三[10000001]</a></li> <li><a href="#">李四[10000002]</a></li> </ul> </li> </ul> </li> </ul> </div> </body> </BODY> </HTML>