为什么没有选项卡插件的效果
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>选项卡插件</title>
<link href="http://www.imooc.com/data/jquery-ui.css" rel="stylesheet" type="text/css" />
<link href="style.css" rel="stylesheet" type="text/css" />
<script src="http://www.imooc.com/data/jquery-1.8.2.min.js" type="text/javascript"></script>
<script src="http://www.imooc.com/data/jquery-ui-1.9.2.min.js" type="text/javascript"></script>
</head>
<body>
<div id="divtest">
<div id="tabs">
<ul>
<li><a href="#tabs-1">最爱吃的水果</a></li>
<li><a href="#tabs-2">最喜欢的运动</a></li>
</ul>
<div id="tabs-1">
<p>橘子</p>
<p>香蕉</p>
<p>葡萄</p>
<p>苹果</p>
<p>西瓜</p>
</div>
<div id="tabs-2">
<p>足球</p>
<p>散步</p>
<p>篮球</p>
<p>乒乓球</p>
<p>骑自行车</p>
</div>
</div>
</div>
<script type="text/javascript">
$(function () {
$("#tabs").tabs({
//设置各选项卡在切换时的动画效果
fx: { opacity: "toggle", height: "toggle" },
event: "mousemove" //通过移动鼠标事件切换选项卡
})
});
</script>
</body>
</html>