用css来布局测试
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>css浮动</title>
<style>
ul li{list-style: none;width: 100px;height: 48px;line-height: 40px;text-align: center;background-color: #ccc;margin: 0px 1px;float: left;}
</style>
</head>
<body>
<ul>
<li>html</li>
<li>javascript</li>
<li>php</li>
<li>jquer</li>
<li>js</li>
<li>mysql</li>
</ul>
</body>
</html>