Multi-Level Drop Down Menu (多层下拉菜单)
2011-07-13 15:46
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HTML:
<ul class="menubar">
<li><a href="#">Menu 1</a>
<ul>
<li><a href="#">My My My My Menu 1.1</a></li>
<li><a href="#">My My My My Menu 1.2</a></li>
<li><a href="#">My My My My Menu 1.1</a></li>
<li><a href="#">My My My My Menu 1.2</a></li>
</ul>
</li>
<li><a href="#">Menu 2</a>
<ul>
<li><a href="#">My Menu 1.1</a></li>
<li><a href="#">My Menu 1.1</a></li>
</ul>
</li>
<li><a href="#">Menu 3</a>
<ul>
<li><a href="#">Menu 3.1</a></li>
<li><a href="#">Menu 3.2</a>
<ul>
<li><a href="#">Your Menu 3.2.1</a></li>
<li><a href="#">Your Menu 3.2.2</a></li>
<li><a href="#">Your Menu 3.2.3</a></li>
<li><a href="#">Your Menu 3.2.3</a>
<ul>
<li><a href="#">Menu 3.2.1.1</a></li>
<li><a href="#">Menu 3.2.2.1</a></li>
<li><a href="#">Menu 3.2.3.1</a></li>
<li><a href="#">Menu 3.2.2.1</a></li>
<li><a href="#">Menu 3.2.3.1</a></li>
</ul>
<li>
<li><a href="#">Your Menu 3.2.3</a>
<ul>
<li><a href="#">Your Menu 3.2.1.1</a></li>
<li><a href="#">Your Menu 3.2.2.1</a></li>
<li><a href="#">Your Menu 3.2.3.1</a></li>
</ul>
<li>
<li><a href="#">Your Menu 3.2.3</a>
<ul>
<li><a href="#">Your Menu 3.2.1.1</a></li>
<li><a href="#">Your Menu 3.2.2.1</a></li>
<li><a href="#">Your Menu 3.2.3.1</a></li>
</ul>
<li>
<li><a href="#">Your Menu 3.2.3</a>
<ul>
<li><a href="#">Your Menu 3.2.1.1</a></li>
<li><a href="#">Your Menu 3.2.2.1</a></li>
<li><a href="#">Your Menu 3.2.3.1</a></li>
</ul>
<li>
<li><a href="#">Your Menu 3.2.3</a></li>
</ul>
</li>
<li><a href="#">Menu 3.3</a></li>
</ul>
</li>
</ul>
CSS File<style type="text/css">
div.outframe {
margin:auto;
width:980px;
padding:0px 17px 10px 17px;
}
ul.menubar a {
font: 11px Tahoma;
}
ul.menubar a:link, ul.menubar a:visited, ul.menubar a:hover {
color: #ffffff;
text-decoration:none;
}
ul.menubar ul, ul.menubar li {
list-style:none;
margin:0;
padding:0;
}
ul.menubar > li {
background-color: #17304E;
float: left;
border-right: 1px solid white;
}
ul.menubar > li.active {
background-color: #0EB8FF !important;
}
ul.menubar > li > a {
display: block;
text-align: center;
width: 90px;
height: 29px;
line-height:29px;
white-space: nowrap;
font-weight: bold;
}
ul.menubar > li > ul {
margin-top:1px;
}
ul.menubar ul {
border-left: 4px solid #0EB8FF;
position:absolute;
z-index:1;
display:none;
}
ul.menubar ul li {
background-color: #33537B;
}
ul.menubar ul li.active {
background-color: #17304E !important;
}
ul.menubar ul li.menu {
background-image: url(arrowa.gif);
background-repeat: no-repeat;
background-position: right;
}
ul.menubar ul li a {
display: block;
text-align: left;
height: 27px;
line-height:27px;
padding: 0px 20px 0px 13px;
white-space: nowrap;
}
ul.menubar ul ul {
left: 79px;
top: 27px;
}
</style>
JAVASCRIPT
<script type="text/javascript">
$(function() {
$('ul.menubar ul > li').has('ul').each(function(index) {
$(this).addClass('menu');
});
$('ul.menubar li').mouseover(function() {
var li = $(this);
li.addClass('active');
li.siblings().find(' > ul').hide();
var ul = li.find(' > ul');
if ( li.is('.menu') ) {
var top = li.position().top;
var width = li.width();
ul.css('left', width + 1).css('top', top);
}
ul.fadeIn('show');
});
$('ul.menubar li').mouseout(function() {
var li = $(this);
li.removeClass('active');
window.setTimeout(function() {
if ( !li.is('.active') ) {
li.find(' > ul').hide();
}
}, 50);
});
});
</script>
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