extjs 入门实例

<link rel="stylesheet" type="text/css" href="ext-3.2.1/resources/css/ext-all.css">
<script type="text/javascript" src="ext-3.2.1/adapter/ext/ext-base.js"></script>
<script type="text/javascript" src="ext-3.2.1/ext-all.js"></script>

<script>

Ext.onReady(
function fn() {
alert("hi my ext");
}
);
</script>