Flex解析JSON

<?xml?version="1.0"?encoding="utf-8"?>
<mx:Application?xmlns:mx="http://www.adobe.com/2006/mxml"?layout="absolute"?creationComplete="init()">
	<mx:Script>
		<![CDATA[
			import?com.adobe.serialization.json.JSONDecoder;
			import?mx.controls.Alert;
			import?com.adobe.serialization.json.JSON;
			
			private?function?init():void{
				var?arr:Array?=?(JSON.decode("[{"id":"123","name":"yu"},{"id":"456","name":"yu"}]")?as?Array);????
				Alert.show(arr[1].id);?//456
				var?obj:Object?=?JSON.decode("{"id":"123","name":"yu"}");????
				Alert.show(obj.id);?//123
			}
		]]>
	</mx:Script>
</mx:Application>

需要引入一个swc包: 见附件

as3corelib.swc