布局之accordion布局
<HTML><HEAD><TITLE>使用EXT输出HelloWorld</TITLE><!-- 导入extjs配置 … ... --><link rel="stylesheet" type="text/css" href="./../ext/resources/css/ext-all.css"/><script type="text/javascript" src="./../ext/adapter/ext/ext-base.js"></script><script type="text/javascript" src="./../ext/ext-all.js"></script><script type="text/javascript">Ext.onReady(function(){Ext.BLANK_IMAGE_URL='./../ext/resources/images/default/s.gif';var panel = new Ext.Panel({width: 600,height: 500,title: '父面板',layout: 'accordion',renderTo: 'form',items:[{title: '面板一',items:[{title: '子面板1'},{title: '子面板2'},{title: '子面板3'}]},{title: '面板二',items:[{title: '子面板1'},{title: '子面板2'},{title: '子面板3'}]},{title: '面板三'}]}); });</script></HEAD><body id="form"></body></HTML>?