<html xmlns="http://www.w3.org/1999/xhtml"
lang="zh-CN">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>用CSS+DIV实现下拉菜单效果</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{
display: 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;
}
#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[i].onmouseover = function() {
this.className += (this.className.length > 0 ? " " : "") + "sfhover";
}
sfEls[i].onMouseDown = function() {
this.className += (this.className.length > 0 ? " " : "") + "sfhover";
}
sfEls[i].onMouseUp = function() {
this.className += (this.className.length > 0 ? " " : "") + "sfhover";
}
sfEls[i].onmouseout = function() {
this.className = this.className.replace(new RegExp("( ?|^)sfhover\\b"),"");
}
}
}
window.onload = menuFix;
//--><!]]>
</script>
</head>
<body>
<ul id="nav">
<li><a href="#">产品介绍</a>
<ul>
<li><a href="#">产品一</a></li>
<li><a href="#">产品二</a></li>
<li><a href="#">产品三</a></li>
<li><a href="#">产品四</a></li>
<li><a href="#">产品五</a></li>
<li><a href="#">产品六</a></li>
</ul>
</li>
<li><a href="#">服务介绍</a>
<ul>
<li><a href="#">服务一</a></li>
<li><a href="#">服务二</a></li>
<li><a href="#">服务三</a></li>
<li><a href="#">服务二服务二</a></li>
<li><a href="#">服务二服务二服务二</a></li>
</ul>
</li>
<li><a href="#">成功案例</a>
<ul>
<li><a href="#">案例一</a></li>
<li><a href="#">案例二</a></li>
<li><a href="#">案例三案例三</a></li>
<li><a href="#">案例三案例三案例三</a></li>
</ul>
</li>
<li><a href="#">关于我们</a>
<ul>
<li><a href="#">我们一</a></li>
<li><a href="#">我们二</a></li>
<li><a href="#">我们三</a></li>
<li><a href="#">我们四我们四我们四我们四</a></li>
</ul>
</li>
<li><a href="#">在线演示</a>
<ul>
<li><a href="#">演示</a></li>
<li><a href="#">演示演示演示</a></li>
<li><a href="#">演示演示演示</a></li>
<li><a href="#">演示演示</a></li>
<li><a href="#">演示演示演示</a></li>
<li><a href="#">演示演示演示演示演示</a></li>
</ul>
</li>
<li><a href="#">联系我们</a>
<ul>
<li><a href="#">联系联系联系联系联系</a></li>
<li><a href="#">联系联系联系</a></li>
<li><a href="#">联系</a></li>
<li><a href="#">联系联系</a></li>
<li><a href="#">联系联系联系</a></li>
<li><a href="#">联系联系联系</a></li>
</ul>
</li>
</ul>
</body>
</html>
用CSS+DIV实现下拉菜单效果
2021-07-14 12:20:33