引入js文件

<script type="text/javascript" src="js/jquery-1.7.2.min.js"></script>
<script type="text/javascript" src="js/jquery.corner.js"></script>
<script type="text/javascript" src="js/jquery.roundabout.js"></script>
<script type="text/javascript" src="js/jquery.roundabout-shapes.js"></script>
<script type="text/javascript" src="js/index.js"></script>