<title>可拖拽小部件(Draggable Widget)演示</title>
<link rel="stylesheet" href="/css/jqu1.10.4/jquery-ui.min.css">
<script src="/js/jqu/jquery.min1.10.2.js"></script>
<script src="/js/jqu/jquery-ui.min1.10.4.js"></script>
<div id="draggable">请拖拽我!</div>
$( "#draggable" ).draggable();