<script type="text/javascript">
Ext.onReady(function(){
new Ext.Panel({
renderTo:"Hello", //指定页面上的层ID
width:400,
height:200,
layout:"column",
items:[{
columnWidth:.5,
title:"one"},
{columnWidth:.5,
title:"two"}]
});
});
</script>
</head>
<body>
<div id="Hello"></div>
</body>
</html>