Accordion布局小实例
Accordion布局由类Ext.layout.Accordion定义，名称为accordion，表示可折叠的布局，也就是说使用该布局的容器组件中的子元素是可折叠的形式
<script type="text/javascript">
Ext.onReady(function(){
new Ext.Panel({
renderTo:'hello',
title:'accordion',
width:300,
height:200,
layout:'accordion',
layoutConfig:{animate:true}, //动画效果
items:[{
title:'one',
html:'this is a one'
},{
title:'two',
html:'this is a two'
},{
title:'three',
html:'this is a three'
}]
});
});
</script>
</head>
<body>
<div id="hello"></div>
</body>
</html>
