FLex遍历重置表单

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute">
<mx:Script>
< ![CDATA[
private function resetForm():void
{
var instanceInfo:XML=describeType(this);//通过反射机制取出当前MXML中的信息
var properties:XMLList =instanceInfo..accessor.(@type=="mx.controls::TextInput")
for each(var propertyInfo:XML in properties){
var propertyName:String =propertyInfo.@name;//此处取出的为control的id TextInput(this[propertyName]).text=""; } } ]]> </mx:Script> <mx:Panel title="用户注册信息" width="359" height="303" x="24.5" y="37" fontSize="12"> <mx:Form id="form" width="100%" height="100%" horizontalGap="0"> < mx:FormHeading label="用户资料" width="100%"/> < mx:FormItem label="用户名：" width="100%" required="true"> <mx:TextInput width="100%" id="user_txt"/> < /mx:FormItem> <mx:FormItem label="密码：" width="100%" required="true"> <mx:TextInput width="100%" displayAsPassword="true" id="pass_txt"/> < /mx:FormItem> <mx:FormItem label="性别：" width="100%" direction="horizontal"> <mx:RadioButton groupName="isMale" label="男" /> <mx:RadioButton groupName="isMale" label="女" /> </mx:FormItem> < mx:FormItem label="邮箱：" width="100%"> < mx:TextInput width="100%" id="email_txt"/> </mx:FormItem> <mx:FormItem label="电话：" width="100%"> <mx:TextInput width="100%" id="phone_txt"/> < /mx:FormItem> <mx:FormItem label="出生年月：" width="100%"> <mx:TextInput width="100%" id="birth_txt"/> < /mx:FormItem> </mx:Form> <mx:ControlBar height="32" paddingBottom="0" paddingTop="0" horizontalAlign="center"> <mx:Button id="btnSubmit" label="确定"/> <mx:Button id="btnReset" label="重置" click="resetForm();"/><!--flex里没有重置按钮--> < /mx:ControlBar> </mx:Panel> <mx:StringValidator source="{user_txt}" property="text" minLength="6" maxLength="12" tooShortError="用户名太短了" trigger="{btnSubmit}" triggerEvent="click"/> <mx:StringValidator source="{pass_txt}" property="text" minLength="6" maxLength="12" trigger="{btnSubmit}" triggerEvent="click"/> <mx:PhoneNumberValidator source="{phone_txt}" property="text" trigger="{btnSubmit}" triggerEvent="click"/> <mx:DateValidator source="{birth_txt}" property="text" trigger="{btnSubmit}" triggerEvent="click"/> <mx:EmailValidator source="{email_txt}" property="text" trigger="{btnSubmit}" triggerEvent="click"/> </mx:Application>