flex 动态new组件并平添验证

工作需要，自己写测试代码测试下

<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" 
	layout="absolute" creationComplete="init()">
	<mx:Script>
		<![CDATA[
			import mx.events.ValidationResultEvent;
			import mx.validators.Validator;
			private var formValidator:FormValidator=new FormValidator();
		
			private function init():void{
				formValidator.addValidators(validators);
				formValidator.failedCallBack=function():void{
					submit.enabled=false;
				};
				formValidator.passedCallBack=function():void{
					submit.enabled=true;
				};
			}
			public function test():void{
				var btn:Button = new Button();
				var text:TextInput = new TextInput();
				text.restrict="0-9";
				var validate1:Validator = new Validator();
				validate1.source=text;
				validate1.property="text";
				validate1.requiredFieldError="该选项不能为空！";
				this.panel.addChild(text);
				var text2:TextInput = new TextInput();
				text2.id ="textid";
				var validate:Validator = new Validator();
				validate.source=text2;
			//	validate.addEventListener(ValidationResultEvent.VALID,handleValid);
			//	validate.addEventListener(ValidationResultEvent.INVALID,handleValid);
				validate.property="text";
				validate.requiredFieldError="该选项不能为空！";
				this.panel.addChild(text2);
				formValidator.addValidator(validate);
				
			}
			
			   // Event listener for the valid and invalid events.
            private function handleValid(eventObj:ValidationResultEvent):void {
                if(eventObj.type==ValidationResultEvent.VALID)   
                    // Enable Submit button.
                    submit.enabled = true;
                else
                    submit.enabled = false;
            }
		]]>
	</mx:Script>
	<mx:Panel width="400" height="300" id="panel">
		<mx:Form>
			<mx:FormItem label="地址" required="true" >
				<mx:TextInput id="address"  />
			</mx:FormItem>
			<mx:FormItem label="电话"  required="true" >
				<mx:TextInput id="phone" />
			</mx:FormItem>		
			<mx:FormItem label="顺序"   >
				<mx:TextInput id="seq" restrict="0-9" maxChars="15"/>
			</mx:FormItem>			
		</mx:Form>
		<mx:ControlBar horizontalAlign="center">
			<mx:Button id="submit" label="提交" enabled="false"/>
			<mx:Button id="close" label="关闭" />
			<mx:Button  label="增加" click="test()"/>
			
		</mx:ControlBar>
	</mx:Panel>
	
	<mx:Array id="validators">
		<mx:Validator required="true"   requiredFieldError="地址不能为空!" source="{address}" property="text" />
		<!--<mx:Validator required="true" requiredFieldError="电话不能为空!" source="{phone}" property="text" />-->
	</mx:Array>
<!--		<mx:NumberValidator id="seq_" source="{seq}" property="text"
	 domain="int"
	 minValue="1"
	 integerError="顺序必须是整数！"
	 invalidCharError='输入了非数字字符！'
	 trigger="{submit}" triggerEvent="click"/>-->
	
	

	<mx:Style>
	 .errorTip
	 {
	 fontSize: 12;
	 }
	</mx:Style>

	
</mx:Application>