简单的三级导航 纵向

2015/12/11 57489

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<!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=utf-8" />
<!--[if IE]>
    <script src="http://html5shiv.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->
<!--[if lt IE 7]>
    <script src="http://ie7-js.googlecode.com/svn/version/2.1(beta3)/IE7.js"></script>
    <link href="CSS/ie6_hacks.css" rel="stylesheet" type="text/css" />
    <style>
    ul, li, a, img, div, dd, dl, dt {behavior: url()}
    </style>
<![endif]-->
<style type="text/css" media="screen">
/*
 三级导航实例
*/
body {
    font-family: "Microsoft YaHei";
    font-size: 12px;
    line-height: 1.5;
    line-height: 100%;
    text-align: center;
    margin: 0px;
    padding: 0px;
}
img { border-style: none; }
a { color: #000; text-decoration: none; }
a:hover { color: #FFF; }
#menu { width: 100px; border: 1px solid #CCC; border-bottom:none;float:left;}
/*1级*/
#menu ul { list-style: none; margin: 0px; padding: 0px; }
#menu ul li { background: #eee;  height:26px; line-height: 26px;
              position:relative; }
               
/*
#menu ul li ul { display:block; position: absolute; left: 100px;top: 0px; width:100px;}
*/
/*2级*/
div ul li ul { display:none; position: absolute; left: 100px;top: 0px; width:100px;margin-left:0px}
div ul li ul li{position:relative;}
div ul li:hover ul { display:block;}
 
/*3级*/
#menu ul li ul li ul{ display:none; position: absolute; left: 100px; top: 0px; width:100px;margin-left:0px}
#menu ul li ul li ul li{position:relative;}
#menu ul li ul li:hover ul{display:block;}
 
#main { width:70%;background-color:red;height:100px;float:left;}
</style>
</head></p>
<p><body>
<div id="menu">
    <ul>
        <li>
            <a href="#">首页</a>
        </li>
        <li>
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                    <ul>
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                        <li><a href="#">222222</a></li>
                    </ul>
                </li>
                <li>
                    <a href="#">固定宽度</a>
                </li>
            </ul>
        </li>
        <li>
            <a href="#">div+css教程</a>
            <ul>
                <li>
                    <a href="#">新手入门</a>
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                <li>
                    <a href="#">常见问题</a>
                </li>
            </ul>
        </li>
        <li>
            <a href="#">div+css实例</a>
        </li>
        <li>
            <a href="#">常用代码</a>
        </li>
        <li>
            <a href="#">站长杂谈</a>
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        <li>
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            <a href="#">资源下载</a>
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        <li>
            <a href="#">图片素材</a>
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</div>
<div id="main">ddd
</div>
</body>
</html>