纯css下拉菜单 完全打造

来源:互联网 发布:state of the art知乎 编辑:程序博客网 时间:2024/04/29 01:37
困扰了几日的问题终于得到解决了,以前老师讲过用css做下拉菜单的效果,可一直没做成功,最近在论坛里又看到一个css高手弄的css下拉菜单效果,太炫了!!不过他只给出效果,没发放代码,真气死了!!暗下决心一定要把这技术给搞定,黄天不负苦心人,花了三天的时间,结合老师的课上知识还有网上查找的知识,终天把这问题给搞定了。喜欢的就拿去用。代码如下:
横向菜单:
<!DOCTYPE html PUBliC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="zh-CN">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<meta http-equiv="Content-Language" content="zh-CN" />
<title>横向下拉菜单</title>
<style type="text/css">
<!--
* {margin:0;padding:0;border:0;}
body {
font-family: arial, 宋体, serif;
font-size:12px;
}
#nav {
height: 24px; list-style-type: none; padding-left:200px;
line-height:24px;overflow:hidden;background:#999;
}
#nav a {
display: block; width: 80px; text-align:center;
}
#nav a:link {
color:#EEE; text-decoration:none;
}
#nav a:visited {
color:#EEE;text-decoration:none;
}
#nav a:hover {
color:#FFF;text-decoration:none;font-weight:bold;background:#CCC;
}
#nav li {
float: left; width: 80px;
}
#nav li ul {
line-height: 24px;
list-style-type: none;
text-align:left;
left: -999px;
width: 520px; //注意,这里一定要设置宽度;
position: absolute;
background:#CCC;
}
#nav li ul li{
float: left;width: 80px; //float就是子菜单横向的关键,可以继承父菜单而省略float
}
#nav li ul a{
display: block; width: 65px;text-align:left;padding-left:15px;
}
#nav li ul a:link {
color:#F1F1F1; text-decoration:none;
}
#nav li ul a:visited {
color:#F1F1F1;text-decoration:none;
}
#nav li ul a:hover {
color:#FFF;text-decoration:none;font-weight:normal;background:#C00;
}
#nav li:hover ul {
left:25%;
}
#nav li.sfhover ul {
left:25%;
}
#content {
clear: left;
}
-->
</style>
<script type=text/javascript><!--//--><![CDATA[//><!--
function menuFix() {
var sfEls = document.getElementById("nav").getElementsByTagName("li");
for (var i=0; i<sfEls.length; i++) {
sfEls.onmouseover=function() {
this.className+=(this.className.length>0? " ": "") + "sfhover";
}
sfEls.onMouseDown=function() {
this.className+=(this.className.length>0? " ": "") + "sfhover";
}
sfEls.onMouseUp=function() {
this.className+=(this.className.length>0? " ": "") + "sfhover";
}
sfEls.onmouseout=function() {
this.className=this.className.replace(new RegExp("( ?|^)sfhover//b"),
"");
}
}
}
window.onload=menuFix;
//--><!]]></script>
</head>
<body>
<ul id="nav">
<li><a href="#">菜单一</a>
<ul>
<li><a href="#">菜单一</a></li>
<li><a href="#">菜单二</a></li>
<li><a href="#">菜单三</a></li>
<li><a href="#">菜单四</a></li>
<li><a href="#">菜单五</a></li>
<li><a href="#">菜单六</a></li>
</ul>
</li>
<li><a href="#">菜单二</a>
<ul>
<li><a href="#">菜单一</a></li>
<li><a href="#">菜单二</a></li>
<li><a href="#">菜单三</a></li>
<li><a href="#">菜单四</a></li>
<li><a href="#">菜单五</a></li>
</ul>
</li>
<li><a href="#">菜单三</a>
<ul>
<li><a href="#">菜单一</a></li>
<li><a href="#">菜单二</a></li>
<li><a href="#">菜单三</a></li>
<li><a href="#">菜单四</a></li>
<li><a href="#">菜单五</a></li>
</ul>
</li>
<li><a href="#">菜单四</a>
<ul>
<li><a href="#">菜单一</a></li>
<li><a href="#">菜单二</a></li>
<li><a href="#">菜单三</a></li>
<li><a href="#">菜单四</a></li>
<li><a href="#">菜单五</a></li>
</ul>
</li>
<li><a href="#">菜单五</a>
<ul>
<li><a href="#">菜单一</a></li>
<li><a href="#">菜单二</a></li>
<li><a href="#">菜单三</a></li>
<li><a href="#">菜单四</a></li>
<li><a href="#">菜单五</a></li>
</ul>
</li>
<li><a href="#">菜单六</a>
<ul>
<li><a href="#">菜单一</a></li>
<li><a href="#">菜单二</a></li>
<li><a href="#">菜单三</a></li>
<li><a href="#">菜单四</a></li>
<li><a href="#">菜单五</a></li>
</ul>
</li>
</ul>
</div>
</body>
</html>
纵向菜单:
<!DOCTYPE html PUBliC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="zh-CN">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>CSS下拉菜单演示</title>
<style type="text/css">
<!--
*{margin:0;padding:0;border:0;}
body {
font-family: arial, 宋体, serif;
font-size:12px;
}
#nav {
line-height: 24px; list-style-type: none; background:#666;
}
#nav a {
display: block; width: 80px; text-align:center;
}
#nav a:link {
color:#666; text-decoration:none;
}
#nav a:visited {
color:#666;text-decoration:none;
}
#nav a:hover {
color:#FFF;text-decoration:none;font-weight:bold;
}
#nav li {
float: left; width: 80px; background:#CCC;
}
#nav li a:hover{
background:#999;
}
#nav li ul {
line-height: 27px; list-style-type: none;text-align:left;
left: -999em; width: 180px; position: absolute;
}
#nav li ul li{
float: left; width: 180px;
background: #F6F6F6;
}
#nav li ul a{ wedisplay: block; width: 156px;text-align:left;padding-left:24px;
}
#nav li ul a:link {
color:#666; text-decoration:none;
}
#nav li ul a:visited {
color:#666;text-decoration:none;
}
#nav li ul a:hover {
color:#F3F3F3;text-decoration:none;font-weight:normal;
background:#C00;
}
#nav li:hover ul {
left: auto;
}
#nav li.sfhover ul {
left: auto;
}
#content {
clear: left;
}
-->
</style>
<script type=text/javascript>
<!--//--><![CDATA[//><!--
function menuFix() {
var sfEls = document.getElementById("nav").getElementsByTagName("li");
for (var i=0; i<sfEls.length; i++) {
sfEls.onmouseover=function() {
this.className+=(this.className.length>0? " ": "") + "sfhover";
}
sfEls.onMouseDown=function() {
this.className+=(this.className.length>0? " ": "") + "sfhover";
}
sfEls.onMouseUp=function() {
this.className+=(this.className.length>0? " ": "") + "sfhover";
}
sfEls.onmouseout=function() {
this.className=this.className.replace(new RegExp("( ?|^)sfhover//b"),
"");
}
}
}
window.onload=menuFix;
//--><!]]>
</script>
</head>
<body>
<ul id="nav">
<li><a href="#">菜单一</a>
<ul>
<li><a href="#">子菜单一</a></li>
<li><a href="#">子菜单二</a></li>
<li><a href="#">子菜单三</a></li>
<li><a href="#">子菜单四</a></li>
<li><a href="#">子菜单五</a></li>  
</ul>
</li>
<li><a href="#">菜单二</a>
<ul>
<li><a href="#">子菜单一</a></li>
<li><a href="#">子菜单二</a></li>
<li><a href="#">子菜单三</a></li>
<li><a href="#">子菜单四</a></li>
<li><a href="#">子菜单五</a></li>
</ul>
</li>
<li><a href="#">菜单三</a>
<ul>
<li><a href="#">子菜单一</a></li>
<li><a href="#">子菜单二</a></li>
<li><a href="#">子菜单三</a></li>
<li><a href="#">子菜单四</a></li>
<li><a href="#">子菜单五</a></li>
</ul>
</li>
<li><a href="#">菜单四</a>
<ul>
<li><a href="#">子菜单一</a></li>
<li><a href="#">子菜单二</a></li>
<li><a href="#">子菜单三</a></li>
<li><a href="#">子菜单四</a></li>
<li><a href="#">子菜单五</a></li>
</ul>
</li>
<li><a href="#">菜单六</a>
<ul>
<li><a href="#">子菜单一</a></li>
<li><a href="#">子菜单二</a></li>
<li><a href="#">子菜单三</a></li>
<li><a href="#">子菜单四</a></li>
<li><a href="#">子菜单五</a></li>
</ul>
</li>
</ul>
</body>
</html>
多级菜单:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gbk" />
<title>多级菜单</title>
<style type="text/css">
<!--
@import"dhtml-horiz.css";
-->
body {
margin: 0;
padding: 30px;
background: #FFF;
color: #666;
}
h1 {
font: bold 16px Arial, Helvetica, sans-serif;
}
p {
font: 11px Arial, Helvetica, sans-serif;
}
a {
color: #900;
text-decoration: none;
}
a:hover {
background: #900;
color: #FFF;
}
/*CSS Code for Menu Begin:*/
/* Root = Horizontal, Secondary = Vertical */
ul#navmenu {
margin: 0;
border: 0 none;
padding: 0;
width: 500px; /*For KHTML*/
list-style: none;
height: 24px;
}
ul#navmenu li {
margin: 0;
border: 0 none;
padding: 0;
float: left; /*For Gecko*/
display: inline;
list-style: none;
position: relative;
height: 24px;
}
ul#navmenu ul {
margin: 0;
border: 0 none;
padding: 0;
width: 160px;
list-style: none;
display: none;
position: absolute;
top: 24px;
left: 0;
}
ul#navmenu ul li {
float: none; /*For Gecko*/
display: block !important;
display: inline; /*For IE*/
}
/* Root Menu */
ul#navmenu a {
border: 1px solid #FFF;
border-right-color: #CCC;
border-bottom-color: #CCC;
padding: 0 6px;
float: none !important; /*For Opera*/
float: left; /*For IE*/
display: block;
background: #EEE;
color: #666;
font: bold 10px/22px Verdana, Arial, Helvetica, sans-serif;
text-decoration: none;
height: auto !important;
height: 1%; /*For IE*/
}
/* Root Menu Hover Persistence */
ul#navmenu a:hover,
ul#navmenu li:hover a,
ul#navmenu li.iehover a {
background: #CCC;
color: #FFF;
}
/* 2nd Menu */
ul#navmenu li:hover li a,
ul#navmenu li.iehover li a {
float: none;
background: #EEE;
color: #666;
}
/* 2nd Menu Hover Persistence */
ul#navmenu li:hover li a:hover,
ul#navmenu li:hover li:hover a,
ul#navmenu li.iehover li a:hover,
ul#navmenu li.iehover li.iehover a {
background: #CCC;
color: #FFF;
}
/* 3rd Menu */
ul#navmenu li:hover li:hover li a,
ul#navmenu li.iehover li.iehover li a {
background: #EEE;
color: #666;
}
/* 3rd Menu Hover Persistence */
ul#navmenu li:hover li:hover li a:hover,
ul#navmenu li:hover li:hover li:hover a,
ul#navmenu li.iehover li.iehover li a:hover,
ul#navmenu li.iehover li.iehover li.iehover a {
background: #CCC;
color: #FFF;
}
/* 4th Menu */
ul#navmenu li:hover li:hover li:hover li a,
ul#navmenu li.iehover li.iehover li.iehover li a {
background: #EEE;
color: #666;
}
/* 4th Menu Hover */
ul#navmenu li:hover li:hover li:hover li a:hover,
ul#navmenu li.iehover li.iehover li.iehover li a:hover {
background: #CCC;
color: #FFF;
}
ul#navmenu ul ul,
ul#navmenu ul ul ul {
display: none;
position: absolute;
top: 0;
left: 160px;
}
/* Do Not Move - Must Come Before display:block for Gecko */
ul#navmenu li:hover ul ul,
ul#navmenu li:hover ul ul ul,
ul#navmenu li.iehover ul ul,
ul#navmenu li.iehover ul ul ul {
display: none;
}
ul#navmenu li:hover ul,
ul#navmenu ul li:hover ul,
ul#navmenu ul ul li:hover ul,
ul#navmenu li.iehover ul,
ul#navmenu ul li.iehover ul,
ul#navmenu ul ul li.iehover ul {
display: block;
}
</style>
<script type="text/JavaScript">
navHover = function() {
var lis = document.getElementById("navmenu").getElementsByTagName("LI");
for (var i=0; i<lis.length; i++) {
lis[i].onmouseover=function() {
this.className+=" iehover";
}
lis[i].onmouseout=function() {
this.className=this.className.replace(new RegExp(" iehover//b"), "");
}
}
}
if (window.attachEvent) window.attachEvent("onload", navHover);
</script>
</head>
<body>
<h1>多级菜单</h1>
<hr />
<ul id="navmenu">
<li><a href="#">菜单一</a></li>
<li><a href="#">菜单二+</a>
<ul>
<li><a href="#">二级菜单一 +</a>
<ul>
<li><a href="#">三级菜单一</a></li>
<li><a href="#">三级菜单二</a></li>
<li><a href="#">三级菜单三</li>
<li><a href="#">三级菜单四</a></li>
</ul>
</li>
<li><a href="#">二级菜单二</a></li>
<li><a href="#">二级菜单三</a></li>
</ul>
</li>
<li><a href="#">菜单三+</a>
<ul>
<li><a href="#">二级菜单一 +</a>
<ul>
<li><a href="#">三级菜单一</a></li>
<li><a href="#">三级菜单二</a></li>
<li><a href="#">三级菜单三</li>
<li><a href="#">三级菜单四</a></li>
</ul>
</li>
<li><a href="#">二级菜单二+</a>
<ul>
<li><a href="#">三级菜单一</a></li>
<li><a href="#">三级菜单二</a></li>
<li><a href="#">三级菜单三</li>
<li><a href="#">三级菜单四</a></li>
</ul>
</li>
</ul>
</li>
<li><a href="#">菜单四</a></li>
<li><a href="#">菜单五</a></li>
</ul>
</body>
</html>
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