例子,css下拉导航菜单布局及css下拉菜单模板。
css下拉菜单样式图
div+css下拉菜单样式图
1,html代码(css下拉菜单)
<ul id="nav">
<li><a href="http://www.yuju100.com/">div+css</a>
<ul>
<li><a href="http://www.yuju100.com/">CSS</a></li>
<li><a href="#">产品一</a></li>
<li><a href="#">产品一</a></li>
<li><a href="#">产品一</a></li>
<li><a href="#">产品一</a></li>
<li><a href="#">产品一</a></li>
</ul>
</li>
<li><a href="http://www.yuju100.com/rumen/">css入门</a>
<ul>
<li><a href="#">入门一</a></li>
<li><a href="#">入门二</a></li>
<li><a href="#">入门二</a></li>
<li><a href="#">入门二入门二</a></li>
<li><a href="#">入门二入门二入门二</a></li>
<li><a href="#">入门二</a></li>
</ul>
</li>
<li><a href="http://www.yuju100.com/html/">HTML基础</a>
<ul>
<li><a href="#">基础三</a></li>
<li><a href="#">基础</a></li>
<li><a href="#">基础三案例三</a></li>
<li><a href="#">基础三案例三案例三</a></li>
</ul>
</li>
<li><a href="http://www.yuju100.com/jiqiao/">DIV+CSS技巧</a>
<ul>
<li><a href="#">技巧四</a></li>
<li><a href="#">技巧四</a></li>
<li><a href="#">技巧四</a></li>
<li><a href="#">技巧四111</a></li>
</ul>
</li>
<li><a href="http://www.yuju100.com/template/">DIV+CSS模板</a>
<ul>
<li><a href="http://www.yuju100.com/template/">CSS模板</a></li>
<li><a href="#">模板</a></li>
<li><a href="#">模板</a></li>
<li><a href="#">模板模板</a></li>
<li><a href="#">模板模板模板</a></li>
<li><a href="#">模板模板</a></li>
<li><a href="#">模板模板</a></li>
<li><a href="#">模板模板模板模板</a></li>
</ul>
</li>
<li><a href="http://www.yuju100.com/shouce/">CSS手册</a>
<ul>
<li><a href="http://www.yuju100.com/shouce/">DIV+CSS手册</a></li>
<li><a href="#">手册</a></li>
<li><a href="#">手册</a></li>
<li><a href="#">手册</a></li>
<li><a href="#">手册</a></li>
<li><a href="#">手册手册</a></li>
<li><a href="#">手册手册手册</a></li>
</ul>
</li>
</ul>
2,css与js代码
<style type="text/css">
/* www.yuju100.com CSS下拉菜单实例 */
*{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:#EFEFEF}
#nav li ul a{display: block; width: 156px;text-align:left;padding-left:24px; overflow:hidden}
#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>
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(){
thisthis.className=this.className.replace(new RegExp("( ?|^)sfhoverb"),
"");
}
}
}
window.onload=menuFix;
</script>
以上就是div+css模板中纯css下拉菜单布局代码,用来学习css下拉菜单的实现方法。