简洁的多级树形导航菜单
看看效果
2008.10.12
xhtml部分
<ul id="menuList">
<li class="menubar">
<a href="#" id="productsActuator" class="actuator">我的收藏夹</a>
<ul id="productsMenu" class="menu">
<li>
<a href="#" id="newPhonesActuator" class="actuator">个人网站</a>
<ul id="newPhonesMenu" class="submenu">
<li><a href="http://www.butong.net/">网页代码库</a></li>
<li><a href="http://www.w3cn.org/">网页设计师</a></li>
<li><a href="http://www.junchenwu.com/">JunChen博客</a></li>
<li><a href="http://www.andymao.com/andy/">毅博客</a></li>
</ul>
</li>
<li>
<a href="#" id="compareActuator" class="actuator">国外网站</a>
<ul id="compareMenu" class="submenu">
<li><a href="http://www.alistapart.com/">A List Apart</a></li>
<li><a href="http://www.csszengarden.com/">CSS禅意花园</a></li>
<li><a href="http://www.456bereastreet.com/">456 Berea Street</a></li>
<li><a href="http://www.w3.org/">W3C网站</a></li>
</ul>
</li>
</ul>
</li>
</ul>
css部分
#menuList {
margin: 0px;
padding: 10px 0px 10px 15px;
border: 1px solid #CCC;
width: 203px;
background-color: #EEE;
color: #000;
font-family: verdana, helvetica, arial, sans-serif;
}
li.menubar {
font-size: 12px;
line-height: 1.8em;
list-style: none;
}
.menu, .submenu {
display: none;
margin-left: 15px;
padding: 0px;
}
.menu li, .submenu li {
list-style: none;
}
#menuList a {
background-color: transparent;
color: #000;
font-size: 12px;
margin-left: 15px;
text-decoration: none;
}
#menuList a:hover {
text-decoration: underline;
}
JavaScript部分
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.onclick = function() {
var display = menu.style.display;
menu.style.display = (display == "block") ? "none" : "block";
return false;
}
}
window.onload = function() {
initializeMenu("productsMenu", "productsActuator");
initializeMenu("newPhonesMenu", "newPhonesActuator");
initializeMenu("compareMenu", "compareActuator");
}