效果体验：
http://hovertree.com/texiao/jeasyui/1.htm
源代码下载：
HovertreeJEasyUI
HTML文件代码：
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>jQuery EasyUI实例基本弹出窗口-hovertree</title>
<link rel="stylesheet" type="text/css" href="http://hovertree.com/ziyuan/jeasyui/themes/default/easyui.css">
<link rel="stylesheet" type="text/css" href="http://hovertree.com/ziyuan/jeasyui/themes/icon.css">
<link rel="stylesheet" type="text/css" href="http://hovertree.com/ziyuan/jeasyui/demo.css">
<script type="text/javascript" src="http://hovertree.com/ziyuan/jquery/jquery-1.11.3.min.js"></script>
<script type="text/javascript" src="http://hovertree.com/ziyuan/jeasyui/jquery.easyui.min.js"></script>
</head>
<body>
<h2>HoverTree基本弹出窗口</h2>
<p>弹出窗口能够*拖动</p> <div style="margin:20px 0;">
<a href="javascript:void(0)" class="easyui-linkbutton" onclick="$('#hover'+'treewindow').window('open')">Open</a>
<a href="javascript:void(0)" class="easyui-linkbutton" onclick="$('#hovertreewindow').window('close')">Close</a>
</div>
<div id="hovertreewindow" class="easyui-window" title="HoverTree基本弹出窗口" data-options="iconCls:'icon-save'" style="width:500px;height:200px;padding:10px;">
这是弹出窗口的内容,使用EsayUI实现。本窗口可以改变大小，*拖动，最大化，收起。<a href="http://hovertree.com" target="_blank" style="color:black;">HoverTree</a>
<a href="http://hovertree.com/hvtart/bjae/l59bo21o.htm" target="_blank">原文</a>
</div> </body>
</html>