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<html>
<head>
<meta charset="utf-8">
<title>lvnian学习(http://lvnian.blog.51cto.com/)</title>
<style>
ul
{list-style-type:none;margin:0;padding:0;
}a:link,a:visited{display:block;font-weight:bold;color:#FFFFFF;background-color:#98bf21;width:120px;text-align:center;padding:10px;text-decoration:none;text-transform:capitalize;}a:hover,a:active{background-color:#7A991A;}li{/*float: left;*/}
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<body>
<ul>
<li><a href="#home">Home</a></li>
<li><a href="#news">News</a></li>
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<li><a href="#about">About</a></li>
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切换导航栏后，当前导航栏目颜色加深

 <script type="text/javascript">$(document).ready(function () {$("#navbar a[href='{{ request.path }}']").parent().addClass("active")})
</script>
{{ request.path }}  ## 获取当前页面路径