<!DOCTYPE html> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>UL LI结构实现二级导航菜单(HTML+CSS+JS)</title> <style type="text/css"> *{margin:0;padding:0;border:0;} body { font-family: arial, 微软雅黑, serif; font-size:16px; } #nav { line-height:40px; list-style-type: none; background:#666; } #nav a { display: block; width: 120px; 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: 120px; background:#CCC; flex:1; } #nav li a:hover{ background:#999; } #nav li ul { line-height: 40px; list-style-type: none;text-align:left; left: -999em; width: 120px; position: absolute; } #nav li ul li{ float: left; width: 180px; background: #F6F6F6; } #nav li ul a{ display: block; width: 165px;_width: 180px;height:auto; margin:0 auto;text-align:left; padding-left:15px; } #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() { this.className=this.className.replace(new RegExp("( ?|^)sfhover\\b"), ""); } } } window.onload=menuFix; </script> </head> <body> <ul id="nav"> <li>a href="http://www.51xuediannao.com">懒人建站</a> <ul> <li><a href="http://www.51xuediannao.com/JS/nav/">CSS导航菜单</a></li> <li><a href="http://www.51xuediannao.com/JS/Slide/">FLASH焦点图</a></li> <li><a href="http://www.51xuediannao.com/JS/texiao/">网页特效JS</a></li> <li><a href="http://www.51xuediannao.com/JS/AD/">JS广告代码</a></li> </ul> </li> <li><a href="http://www.51xuediannao.com/show">欣赏借鉴</a> <ul> <li><a href="http://www.51xuediannao.com/show/qiye/">企业类网站</a></li> <li><a href="http://www.51xuediannao.com/show/hangye/">行业类网站</a></li> <li><a href="http://www.51xuediannao.com/show/blog/">BLOG类网站</a></li> <li><a href="http://www.51xuediannao.com/show/menhu/">门户类网站</a></li> <li><a href="http://www.51xuediannao.com/show/shop/">商城类网站</a></li> </ul> </li> <li><a href="http://www.51xuediannao.com/jiqiao/">建站技巧</a> <ul> <li><a href="http://www.51xuediannao.com/jiqiao/html/">HTML技巧</a></li> <li><a href="http://www.51xuediannao.com/jiqiao/css/">CSS技巧</a></li> <li><a href="http://www.51xuediannao.com/jiqiao/cms/">CMS建站技巧</a></li> <li><a href="http://www.51xuediannao.com/jiqiao/qita/">其他技巧</a></li> </ul> </li> <li><a href="http://51xuediannao.com">懒人建站</a> <ul> <li><a href="http://www.51xuediannao.com/JS/nav/">CSS导航菜单</a></li> <li><a href="http://www.51xuediannao.com/JS/Slide/">FLASH焦点图</a></li> <li><a href="http://www.51xuediannao.com/JS/texiao/">网页特效JS</a></li> <li><a href="http://www.51xuediannao.com/JS/AD/">JS广告代码</a></li> </ul> </li> <li><a href="#">在线演示</a> <ul> <li><a href="http://51xuediannao.com/JS/nav/">CSS导航菜单</a></li> <li><a href="http://51xuediannao.com/JS/Slide/">FLASH焦点图</a></li> <li><a href="http://51xuediannao.com/JS/texiao/">网页特效JS</a></li> <li><a href="http://51xuediannao.com/JS/AD/">JS广告代码</a></li> </ul> </li> <li><a href="http://51xuediannao.com/jiqiao/">建站技巧</a> <ul> <li><a href="http://51xuediannao.com/jiqiao/html/">HTML技巧</a></li> <li><a href="http://51xuediannao.com/jiqiao/css/">CSS技巧</a></li> <li><a href="http://51xuediannao.com/jiqiao/cms/">CMS建站技巧</a></li> <li><a href="http://51xuediannao.com/jiqiao/qita/">其他技巧</a></li> </ul> </li> </ul> <!--下面只是说明与程序代码无关--> <br> <div style="width:95%; height:auto; display:block; margin:0 auto; margin-top:30px; font-size:10pt; line-height:150%;"> <span>懒人建站为您提供-各种bolg制作技巧,HTML技巧,CSS技巧和CMS使用技巧</span><br /> <span>懒人建站只收录实用和能提高用户体验的代码</span><br /> <span>我们只想解放出你的部分写代码时间来思考更高层次的设计,而不是要你懒惰、拼凑。</span> </div> </body> </html>
本文章由 brokenway 发布在 个人知识库 ,文章所述不代表本站观点,法律风险由发布者自行承担,转载请注明出处!