AS3中XMLSocket的应用

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" backgroundColor="white">
	<mx:Script>
		<![CDATA[
			import com.adobe.serialization.json.JSON;
			import mx.collections.ArrayCollection;
			import mx.controls.Alert;
			//绑定下拉框的数据源
			[Bindable]  
			private var select:Array=[{label:"请选择...",value:'-1'},
						{label:"客户端1",value:'z111'},
						{label:"客户端2",value:'z222'},
						{label:"客户端3",value:'z333'}];
			//绑定表格组件的数据源
			[Bindable]
			private var list:ArrayCollection = new ArrayCollection();
			//socket连接对象
			private var xmlSocket:XMLSocket;			
			internal function createXMLSocket():void{
				xmlSocket = new XMLSocket(); 
				xmlSocket.connect("192.168.1.101",58686);
				//连接处理函数
				xmlSocket.addEventListener(Event.CONNECT,connectionFun);
				//关闭处理函数
				xmlSocket.addEventListener(Event.CLOSE,closeFun);
				//接受数据处理函数
				xmlSocket.addEventListener(DataEvent.DATA,receiveMsg);
			}
			
			internal  function connectionFun(event:Event):void{	
				//如果已经连接	
				if(xmlSocket.connected){
					text.text="已经成功连接到服务器";
				}else{
					text.text="连接失败";
				}		
			}
			
			internal  function closeFun(event:Event):void{
				text.text="已经断开服务器";
				btn.label = "连接";
			}
			
			internal function receiveMsg(event:DataEvent):void{
				//服务器发送过来的数据
				var strJSON:String = event.data;
				//通过JSON转为对象
				var jo:Object = JSON.decode(strJSON);
				//加入到集合中
				list.addItem(jo);
				//刷新集合 已更新 gird中的显示数据
				list.refresh();
			}
		
			internal function changeSocket():void{
				if(btn.label == "连接"){
					if(cbb.selectedItem.value == "-1"){
						Alert.show("请选择客户端");
						return;
					}
					createXMLSocket();
					btn.label = "断开";
				}else{
					xmlSocket.close();
					btn.label = "连接";
					text.text="";
				}
			}
		]]>
	</mx:Script>
	<mx:VBox width="100%" height="100%" fontSize="14">
		//下拉框组件
		<mx:ComboBox id="cbb" dataProvider="{select}" labelField="label"></mx:ComboBox>
		<mx:Button label="连接" id="btn" click="changeSocket()"/>
		<mx:Label text="" id="text" width="100%"/>
		//表格组件
		<mx:DataGrid dataProvider="{list}" width="90%">
			<mx:columns>
				<mx:DataGridColumn headerText="客户姓名" dataField="customer"/>
				<mx:DataGridColumn headerText="发货地址" dataField="address"/>
				<mx:DataGridColumn headerText="下单时间" dataField="date"/>
			</mx:columns>
		</mx:DataGrid>
	</mx:VBox>

</mx:Application>