详细内容

纯CSS实现的多级下拉导航菜单4
兼容性：IE6+ FireFox2+ Opera9+ 更新时间：2010-1-29

简介：纯CSS实现的多级下拉菜单，此菜单的下拉想不仅可以向右展开还可以向左展开，无需任何javascript代码，非常简单实用,此代码在IE6,IE7,IE8,FireFox下工作良好，在Google浏览器下有不兼容的问题！

查看全部代码：查看

代码使用方法：

下载
点击这里下载脚本源代码

在网页<head>区添加以下代码

<style type="text/css"> 
/* for this demo only */
#backgroundHolder {width:750px; height:490px; background:url(ulmulti4/pic.jpg); padding-top:10px; margin:0 auto;}
/* ----------------------------------------------------------------------------	*/
/* default styling */
.nav,
.nav ul{list-style-type:none; margin:0; padding:0;}
.nav a {text-decoration:none;}
.nav {font-family: arial, sans-serif; font-size:12px; width:650px; margin:0 auto;}
 
/* style the links */
.nav a {background:url(ulmulti4/box.gif) no-repeat right center;} 
.nav a.top {background:url(ulmulti4/box.gif) no-repeat right top;}
.nav a.top2 {background:url(ulmulti4/box2.gif) no-repeat right top;}
.nav a.bottom {background:url(ulmulti4/box.gif) no-repeat right bottom;}
 
.right ul ul a {background:url(ulmulti4/box3.gif) no-repeat right center;}
.right ul ul a.top2 {background:url(ulmulti4/box3.gif) no-repeat right top;}
.right ul ul a.bottom {background:url(ulmulti4/box3.gif) no-repeat right bottom;}
 
/* style the <b> element so that is does not affect the size of the link */
.nav a b {color:#600; font-weight:normal; display:block; padding:5px 10px 5px 15px;}
.nav .fly .main b {background: transparent url(ulmulti4/arrow.gif) no-repeat 117px 9px;}
.nav .down b {background: transparent url(ulmulti4/arrow2.gif) no-repeat 115px 11px;}
.nav .right ul b {text-align:right;}
.nav .right ul ul b {padding: 5px 15px 5px 10px;}
.nav .right ul .main b {background: transparent url(ulmulti4/arrow3.gif) no-repeat 15px 9px; text-align:right;}
.nav .right ul ul .main b {background: transparent url(ulmulti4/arrow3.gif) no-repeat 5px 9px; text-align:right;}
 
/* HEIGHT */
.nav ul ul {top:-22px;} /* position the top of the flyout first sub menus */
.nav ul ul ul {top:-25px;} /* position the top of the flyout second and third sub menus */
.nav ul.two {top:-40px;} /* position the top of the flyout sub menus with previous text on two lines */
 
/* WIDTH change this WITH CARE to suit your requirements */
 
/*set the link width here*/
.nav .drop,
.nav a {width:130px;}
.nav ul li {max-width:130px;} /* fix for IE8 */
 
/* set the left flyout position here */
.nav ul ul {left:130px;}
 
/* set the right flyout positions here */
.nav li.right ul ul {left:auto; right:120px;}
.nav li.right ul ul ul {left:auto; right:130px;}
 
/* make this WIDTH - 1px */ /* or WIDTH - 0.063em if using em sizing */
.nav a {margin-right:-129px;}
 
/* ----------------------------------------------------------------------------	*/
 
/* DO NOT CHANGE ANYTHING BELOW */
.nav li {float:left;} /* fixes IE bugs, and allows for clearing */
.nav ul {float:left; position:relative; z-index:20;} /* necessary for float drop and to stack the <ul>s */
.nav ul li {clear:left;} /* must clear the floated list item inside sublist */
.nav a {position:relative; display:block;} /* needs to have a position, to be above the rest */
.nav a.main {float:left; /* necessary for float drop */
    margin-top:10000px;} /* bring the top level links back into view */
.nav .drop,
.nav .fly {margin-top:-10000px;} /* hide the sub links and their containers, opera has low upper limits */
.nav ul {margin-bottom:-5000px;} /* avoid any interaction between the subs, can be any large size */
 
/* The bits that do ALL the work to bring the sub menus into view */
 
/* .nav a:hover, */ /* un-comment this style if you want the menu to work on hover */
.nav a:focus,
.nav a:active {margin-right:0; z-index:10; outline:0;}
 
.nav a:hover b,
.nav a:focus b,
.nav a:active b {color:#060; cursor:pointer;} /* this is for keyboard tabbing color change */
 
/* OPERA fix */
.nav ul:hover,
.nav ul ul:hover {clear:left;} /* to stop intermittent sub link :hover problems */
 
/* ----------------------------------------------------------------------------	*/
</style> 
 
<!--[if lte IE 7]>
<style type="text/css">
/* bug fixes for IE7 and lower - DO NOT CHANGE */
.nav .fly {width:99%;} /* make each flyout 99% of the prevous level */
a:active {} /* requires a blank style for :active to stop it being buggy */
.nav ul:hover,
.nav ul ul:hover {clear:none;} /* to stop intermittent sub link :hover problems */
 
</style>
<![endif]-->

在网页<body>区添加以下代码

Select All

<div id="backgroundHolder"> 
	<ul class="nav"> 
		<li class="drop"><a class="main top" href="#url"><b>Home</b></a></li> 
		<li class="drop"><a class="main down top" href="#url"><b>Equipment</b></a> 
			<ul> 
				<li class="fly"><a class="main" href="#url"><b>Cameras</b></a> 
					<ul> 
						<li><a class="top2" href="#url"><b>Film Type</b></a></li> 
						<li><a href="#url"><b>Compact</b></a></li> 
						<li><a href="#url"><b>Polaroid</b></a></li> 
						<li><a href="#url"><b>Digital</b></a></li> 
						<li class="fly"><a class="main" href="#url"><b>Digital SLR</b></a> 
							<ul> 
								<li><a class="top2" href="#url"><b>Canon</b></a></li> 
								<li><a href="#url"><b>Nikon</b></a></li> 
								<li><a href="#url"><b>Panasonic</b></a></li> 
								<li><a class="bottom" href="#url"><b>Kodak</b></a></li> 
							</ul> 
						</li> 
						<li><a class="bottom" href="#url"><b>Second Hand</b></a></li> 
					</ul> 
				</li> 
				<li class="fly"><a class="main" href="#url"><b>Video Cameras &amp; Accessories</b></a> 
					<ul class="two"> 
						<li class="fly"><a class="main top2" href="#url"><b>Latest Models</b></a> 
							<ul> 
								<li><a class="top2" href="#url"><b>Nikon</b></a></li> 
								<li><a href="#url"><b>Panasonic</b></a></li> 
								<li><a href="#url"><b>Canon</b></a></li> 
								<li><a href="#url"><b>Pentax</b></a></li> 
								<li><a class="bottom" href="#url"><b>Minolta</b></a></li> 
							</ul> 
						</li> 
						<li><a href="#url"><b>Special Offers</b></a></li> 
						<li><a class="bottom" href="#url"><b>Professional</b></a></li> 
					</ul> 
				</li> 
				<li class="fly"><a class="main" href="#url"><b>Lenses</b></a> 
					<ul> 
						<li class="fly"><a class="main top2" href="#url"><b>Digital</b></a> 
							<ul> 
								<li><a class="top2" href="#url"><b>Standard</b></a></li> 
								<li><a href="#url"><b>Telephoto</b></a></li> 
								<li><a href="#url"><b>Wide Angle</b></a></li> 
								<li class="fly"><a class="main" href="#url"><b>Zoom</b></a> 
									<ul> 
										<li><a class="top2" href="#url"><b>Nikon</b></a></li> 
										<li><a href="#url"><b>Pentax</b></a></li> 
										<li><a href="#url"><b>Minolta</b></a></li> 
										<li><a class="bottom" href="#url"><b>Panasonic</b></a></li> 
									</ul> 
								</li> 
								<li class="fly"><a class="main" href="#url"><b>Zoom with Macro</b></a> 
									<ul> 
										<li><a class="top2" href="#url"><b>Panasonic</b></a></li> 
										<li><a href="#url"><b>Minolta</b></a></li> 
										<li><a href="#url"><b>Pentax</b></a></li> 
										<li><a href="#url"><b>Canon</b></a></li> 
										<li><a class="bottom" href="#url"><b>Nikon</b></a></li> 
									</ul> 
								</li> 
								<li><a href="#url"><b>Fisheye</b></a></li> 
								<li><a class="bottom" href="#url"><b>x2 converters</b></a></li> 
							</ul> 
						</li> 
						<li class="fly"><a class="main" href="#url"><b>Standard SLR</b></a> 
							<ul> 
								<li><a class="top2" href="#url"><b>Canon</b></a></li> 
								<li><a href="#url"><b>Nikon</b></a></li> 
								<li><a href="#url"><b>Panasonic</b></a></li> 
								<li><a href="#url"><b>Pentax</b></a></li> 
								<li><a class="bottom" href="#url"><b>Minolta</b></a></li> 
							</ul> 
						</li> 
						<li><a href="#url"><b>Cases</b></a></li> 
						<li class="fly"><a class="main" href="#url"><b>Large Format</b></a> 
							<ul> 
								<li><a class="top2" href="#url"><b>Hasselblad</b></a></li> 
								<li><a href="#url"><b>Arca-Swiss</b></a></li> 
								<li><a class="bottom" href="#url"><b>Leica</b></a></li> 
							</ul> 
						</li> 
						<li><a href="#url"><b>Lens Hoods</b></a></li> 
						<li><a class="bottom" href="#url"><b>Lens Cleaners</b></a></li> 
					</ul> 
				</li> 
				<li><a href="#url"><b>Tripods</b></a></li> 
				<li><a href="#url"><b>Flashguns</b></a></li> 
				<li><a href="#url"><b>Accessories, filters & lens covers</b></a></li> 
				<li><a href="#url"><b>Special Offers</b></a></li> 
				<li><a class="bottom" href="#url"><b>Electronics</b></a></li> 
			</ul> 
		</li> 
		<li class="drop"><a class="main down top" href="#url"><b>Accessories</b></a> 
			<ul> 
				<li class="fly"><a class="main" href="#url"><b>Flashguns</b></a> 
					<ul> 
						<li class="fly"><a class="main top2" href="#url"><b>Digital Cameras</b></a> 
							<ul> 
								<li><a class="top2" href="#url"><b>Nikon</b></a></li> 
								<li><a href="#url"><b>Canon</b></a></li> 
								<li><a href="#url"><b>Panasonic</b></a></li> 
								<li><a href="#url"><b>Pentax</b></a></li> 
								<li><a class="bottom" href="#url"><b>Kodak</b></a></li> 
							</ul> 
						</li> 
						<li><a href="#url"><b>Film Cameras</b></a></li> 
						<li><a href="#url"><b>Reflectors</b></a></li> 
						<li><a href="#url"><b>Stands</b></a></li> 
						<li><a href="#url"><b>Remote Control</b></a></li> 
						<li><a class="bottom" href="#url"><b>Batteries</b></a></li> 
					</ul> 
				</li> 
				<li class="fly"><a class="main" href="#url"><b>Filters</b></a> 
					<ul> 
						<li><a class="top2" href="#url"><b>Ultra Violet</b></a></li> 
						<li><a href="#url"><b>Lens protection</b></a></li> 
						<li><a href="#url"><b>Yellow</b></a></li> 
						<li><a href="#url"><b>Red</b></a></li> 
						<li><a href="#url"><b>Orange</b></a></li> 
						<li><a class="bottom" href="#url"><b>Blue</b></a></li> 
					</ul> 
				</li> 
				<li class="fly"><a class="main" href="#url"><b>Remote Control</b></a> 
					<ul> 
						<li><a class="top2" href="#url"><b>Canon</b></a></li> 
						<li><a href="#url"><b>Nikon</b></a></li> 
						<li><a class="bottom" href="#url"><b>Pentax</b></a></li> 
					</ul> 
				</li> 
				<li class="fly"><a class="main" href="#url"><b>Camera Cases</b></a> 
					<ul> 
						<li><a class="top2" href="#url"><b>Pentax</b></a></li> 
						<li><a href="#url"><b>Nikox</b></a></li> 
						<li><a href="#url"><b>Canon</b></a></li> 
						<li><a href="#url"><b>Pentax</b></a></li> 
						<li><a href="#url"><b>Kodak</b></a></li> 
						<li><a class="bottom" href="#url"><b>Minolta</b></a></li> 
					</ul> 
				</li> 
				<li><a class="bottom" href="#url"><b>Lens Brush</b></a></li> 
			</ul> 
		</li> 
		<li class="drop right"><a class="main down top" href="#url"><b>Outlets</b></a> 
			<ul> 
				<li><a href="#url"><b>Support</b></a></li> 
				<li><a href="#url"><b>Buying</b></a></li> 
				<li><a href="#url"><b>Photographers</b></a></li> 
				<li class="fly"><a class="main" href="#url"><b>Stockist</b></a> 
					<ul> 
						<li><a class="top2" href="#url"><b>Currys</b></a></li> 
						<li><a href="#url"><b>Dixons</b></a></li> 
						<li><a href="#url"><b>Jessops</b></a></li> 
						<li><a class="bottom" href="#url"><b>Staples</b></a></li> 
					</ul> 
				</li> 
				<li><a href="#5"><b>General</b></a></li> 
				<li class="fly"><a class="main bottom" href="#url"><b>Sales</b></a> 
					<ul> 
						<li><a class="top2" href="#url"><b>USA</b></a></li> 
						<li><a href="#url"><b>CANADA</b></a></li> 
						<li><a href="#url"><b>South America</b></a></li> 
						<li class="fly"><a class="main" href="#url"><b>Europe</b></a> 
							<ul> 
								<li><a class="top2" href="#url"><b>Britain</b></a></li> 
								<li><a href="#url"><b>France</b></a></li> 
								<li><a href="#url"><b>Germany</b></a></li> 
								<li><a href="#url"><b>Spain</b></a></li> 
								<li><a class="bottom" href="#url"><b>Italy</b></a></li> 
							</ul> 
						</li> 
						<li><a href="#url"><b>Australia</b></a></li> 
						<li><a class="bottom" href="#url"><b>Asia</b></a></li> 
					</ul> 
				</li> 
			</ul> 
		</li> 
		<li class="drop"><a class="main top" href="#url"><b>Privacy Policy</b></a></li> 
	</ul> 
</div>

下载：从本地下载

出处：[URL]http://www.cssplay.co.uk[/URL] 作者：http://www.cssplay.co.uk

上一篇：纯CSS实现的多级下拉导航菜单3 下一篇：纯CSS实现的多级下拉导航菜单5，可设定下拉菜单宽度