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完全用CSS实现的中英文双语导航菜单

2009-07-31/13:32

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正文

这是一个完全用CSS实现的中英文双语导航菜单，无脚本和图片，初始时，菜单语言是英文，当鼠标悬停在菜单上时，其变成中文，当然你也可以反过来做。

实现原理：
XHTML
<ul id="nav">
<li><a class="bi" href="index.html">Home<span>首页</span></a></li>
</ul>

从上面代码可以看出，中文放在 span 标签里，关键是需要在初始时，使其的属性不可见。

CSS
.bi{
position: relative;
z-index: 0;
}

.bi:hover{
z-index: 99;
}

.bi:hover span{
visibility: visible;
top: 0;
left: 0;
cursor: pointer;
}

.bi span{
position: absolute;
left: -999em;
visibility: hidden;
}

#nav li a,.bi:hover span{
line-height: 20px;
text-decoration: none;
background: #DDDDDD;
color: #666666;
display: block;
width: 80px;
text-align: center;
}

#nav li a:hover,.bi:hover span{
color: #FFFFFF;
background: #DC4E1B;
}

.bi:hover span{
padding-top: 2px;
}

链接的属性是相对定位，那在此标签里的元素可将其作为参照点。在 span 元素里的中文因其设定了不可见，所以在初始状态时，只能显示英文。而当鼠标悬停在菜单上时，

span 元素里的设定变为可见，Z轴为99 ，覆盖在英文上面，从而实现了语言文字的转换。缺点：因为中英文字的长度关系，不能实现自适应宽度，只能固定宽度。
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="Keywords" content="bilingual menu,中英文双语菜单" /> <meta http-equiv="Description" content="完全用CSS实现的中英文双语导航菜单" /> <meta content="all" name="robots" /> <meta http-equiv="pragma" content="no-cache" /> <meta name="author" content="forestgan" /> <meta name="copyright" content="forestgan" /> <title>完全用CSS实现的中英文双语导航菜单</title> <style type="text/css"> a{ color: #FFFF99; text-decoration: none; } a:hover{ color: #FFFFFF; text-decoration: underline; } #nav{ padding: 10px 10px 0; font-size: 12px; font-weight: bold; margin: 1em 0 0; list-style:none; } #nav li{ float: left; margin-right: 1px; } .bi{ position: relative; z-index: 0; } .bi:hover{ z-index: 99; } .bi:hover span{ visibility: visible; top: 0; left: 0; cursor: pointer; } .bi span{ position: absolute; left: -999em; visibility: hidden; } #nav li a,.bi:hover span{ line-height: 20px; text-decoration: none; background: #DDDDDD; color: #666666; display: block; width: 80px; text-align: center; } #nav li a:hover,.bi:hover span{ color: #FFFFFF; background: #DC4E1B; } .bi:hover span{ padding-top: 2px; } #navbar{ background: #DC4E1B; height: 8px; overflow: hidden; clear: both; } </style> <link href="../css/main.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"> <ul id="nav"> <li><a class="bi" href="index.html">Home<span>首页</span></a></li> <li><a class="bi" href="about.html">About us<span>关于我们</span></a></li> <li><a class="bi" href="products.html">Products<span>产品展示</span></a></li> <li><a class="bi" href="services.html">Services<span>售后服务</span></a></li> <li><a class="bi" href="contact.html">Contact<span>联系我们</span></a></li> </ul> <div id="navbar"></div> </div> <div id="footer"> <address> Design by <a href="http://www.forest53.com">forestgan</a> 本演示采用<a href="http://www.creativecommons.cn/">创作共用授权</a>--署名和非商业用途。  <a href="javascript:history.back()">Back</a> </address> </div> <script src="http://www.google-analytics.com/urchin.js" type="text/javascript"> </script> <script type="text/javascript"> _uacct = "UA-152060-1"; urchinTracker(); </script> <noscript>google-analytics</noscript> <script src="http://www.forest53.com/stat/mystat.asp?siteid=1" type="text/javascript"></script> <noscript>stat.</noscript> </body> </html> <script language="Javascript"> var now = new Date(); document.write("<img src='http://counter.yesky.com/counter.shtml?CID=54197&AID=-1&refer="+escape(document.referrer)+"&rand="+ now.getTime() + "&cur="+escape(document.URL)+"' border='0' alt='' width='0' height='0'>"); </script> <noscript> <img src="http://counter.yesky.com/counter.shtml?CID=54197&AID=-1&refer=noscriptcounter&cur=noscriptcounter" border='0' width='0' height='0'/> </noscript>

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