- <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
- <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
- <head>
- <title>CSS+JS实现兼容性很好的无限级下拉菜单</title>
- <style type="text/css">
- *{ margin:0; padding:0; border:0;}
- body{font:12px/130% verdana,geneva,arial,helvetica,sans-serif,宋体;}li{list-style:none;}
- .clearfix:after{content:" ";display:block;height:0;clear:both;visibility:hidden;}.clearfix{display:inline-block;}
- a:link{ color:#000; text-decoration:none; }
- a:visited{ color:#000; text-decoration:none; }
- a:hover{ color:#000; text-decoration:none; }
- .menu{ width:778px; height:26px; background:#fff; margin:0 auto;}
- .menusel{ float:left;width:100px; position:relative; height:25px; background:#ddd; line-height: 25px; margin-left: 1px; *margin-left: 0px;_margin-left: -1px;}
- .menusel h2{ font-size:12px; }
- .menusel a{ display: block;text-align:center; width:100px;border:1px solid #a4a4a4; height:25px; border-bottom:1px solid #a4a4a4; position:relative; z-index:2;}
- .menusel a:hover{ border:1px solid #a4a4a4; border-bottom:1px dashed #eeeeee; position:relative; z-index:2; height:25px;}
- .ahover a{border-bottom:1px dashed #eeeeee; background:#eeeeee; }
- .position{ position:absolute; z-index:1;}
- .menusel ul{width:125px; background:#eee; border:1px solid #a4a4a4; margin-top: -1px; position:relative; z-index:1; display:none;}
- .menusel .block{ display:block;}
- .typeul li{border-bottom:1px dashed #a4a4a4;width:125px; position:relative; float:left; }
- .typeul li a{ border:none;width:125px; }
- .typeul li a:hover{ border:none; background:#ddd;}
- .typeul{ margin-left:0; }
- .typeul ul{left:125px; top:0; position:absolute;}
- .fli{ margin-left: -1px; border-left:#eeeeee solid 1px;}
- .menusel .lli{ border:none; }
- </style>
- <script type="text/javascript">document.execCommand("BackgroundImageCache", false, true);</script><!-- IE6背景图片闪烁问题 -->
- </head>
- <body>
- <div class="menu">
- <div id="menu1" class="menusel">
- <h2><a href="/">菜单1</a></h2>
- <div class="position">
- <ul class="clearfix typeul">
- <li><a href="http://www.33567.cn">菜单选项1-2</a></li>
- <li>
- <a href="#">菜单选项1-2</a>
- <ul>
- <li class="fli"><a href="#">菜单选项1-2-1</a></li>
- <li class="lli"><a href="#">菜单选项1-2-2</a></li>
- </ul>
- </li>
- <li><a href="http://www.7caidy.com">菜单选项1-2</a></li>
- <li class="lli"><a href="#">菜单选项1-2</a></li>
- </ul>
- </div><!-- position -->
- </div><!-- menusel -->
- <div id="menu2" class="menusel">
- <h2><a href="#">菜单2</a></h2>
- <div class="position">
- <ul class="clearfix typeul">
- <li><a href="#">菜单选项2-2</a></li>
- <li><a href="#">菜单选项2-2</a>
- <ul>
- <li class="fli"><a href="#">菜单选项2-2-1</a></li>
- <li class="lli"><a href="#">菜单选项2-2-2</a>
- <ul>
- <li class="fli"><a href="#">菜单选项2-2-1</a></li>
- <li class="lli"><a href="#">菜单选项2-2-2</a>
- </li>
- </ul>
- </li>
- </ul>
- </li>
- <li><a href="#">菜单选项2-2</a></li>
- <li class="lli"><a href="#">菜单选项2-2</a></li>
- </ul>
- </div><!-- position -->
- </div><!-- menusel -->
- <div id="menu3" class="menusel">
- <h2><a href="#">菜单3</a></h2>
- <div class="position">
- <ul class="clearfix typeul">
- <li><a href="#">菜单选项3-2</a></li>
- <li><a href="#">菜单选项3-2</a>
- <ul>
- <li class="fli"><a href="#">菜单选项3-2-1</a></li>
- <li class="lli"><a href="#">菜单选项3-2-2</a>
- <ul>
- <li class="fli"><a href="#">菜单选项3-2-1</a></li>
- <li class="lli"><a href="#">菜单选项3-2-2</a>
- <ul>
- <li class="fli"><a href="#">菜单选项3-2-1</a></li>
- <li class="lli"><a href="#">菜单选项3-2-2</a></li>
- </ul>
- </li>
- </ul>
- </li>
- </ul>
- </li>
- <li><a href="#">菜单选项3-2</a></li>
- <li class="lli"><a href="#">菜单选项3-2</a></li>
- </ul>
- </div><!-- position -->
- </div><!-- menusel -->
- </div><!-- menu -->
- <script type="text/javascript">
- for(var x = 1; x < 4; x++)
- {
- var menuid = document.getElementById("menu"+x);
- menuid.num = x;
- type();
- }
- function type()
- {
- var menuh2 = menuid.getElementsByTagName("h2");
- var menuul = menuid.getElementsByTagName("ul");
- var menuli = menuul[0].getElementsByTagName("li");
- menuh2[0].onmouseover = show;
- menuh2[0].onmouseout = unshow;
- menuul[0].onmouseover = show;
- menuul[0].onmouseout = unshow;
- function show()
- {
- menuul[0].className = "clearfix typeul block"
- }
- function unshow()
- {
- menuul[0].className = "typeul"
- }
- for(var i = 0; i < menuli.length; i++)
- {
- menuli[i].num = i;
- var liul = menuli[i].getElementsByTagName("ul")[0];
- if(liul)
- {
- typeshow()
- }
- }
- function typeshow()
- {
- menuli[i].onmouseover = showul;
- menuli[i].onmouseout = unshowul;
- }
- function showul()
- {
- menuli[this.num].getElementsByTagName("ul")[0].className = "block";
- }
- function unshowul()
- {
- menuli[this.num].getElementsByTagName("ul")[0].className = "";
- }
- }
- </script>
- </body>
- </html>