测试ObjectProxy的用途，以及绑定-优快云博客

本文介绍了一个使用MXML创建的应用实例，展示了如何通过对象代理实现对象状态的变化，并通过按钮触发状态更新。重点在于理解MXML中对象代理的使用方式以及其在状态管理中的作用。

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" creationComplete="application1_creationCompleteHandler(event)" layout="absolute" width="1000" height="600" xmlns:aeon="aeon.*" xmlns:aswing="org.aswing.*" xmlns:local="*">
	<mx:Style>
		Application{
			fontSize:12px;
		}
	</mx:Style>
	<mx:Script>
		<![CDATA[
			import mx.events.FlexEvent;
			import mx.events.PropertyChangeEvent;
			import mx.utils.ObjectProxy;


			private var sourceObject:Object = new Object();
			
			[Bindable]
			private var op1:ObjectProxy;


			[Bindable]
			private var op2:ObjectProxy;
			
			protected function application1_creationCompleteHandler(event:FlexEvent):void
			{
				this.sourceObject.name = "sourceObject";
				this.sourceObject.status = "none";
				
				op1 = new ObjectProxy(this.sourceObject,null,0);
				op2 = new ObjectProxy(this.sourceObject,op1.uid);
			}


			protected function button1_clickHandler(event:MouseEvent):void
			{
				op1.status = "change";
				trace(op2.status);
			}


		]]>
	</mx:Script>
	<mx:Button x="45" y="42" label="change" click="button1_clickHandler(event)"/>
	<mx:Label x="217" y="48" text="{op1.status}"/>
	<mx:Label x="217" y="76" text="{op2.status}"/>
</mx:Application>