flex 控件验证

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" creationComplete="init()">
<mx:TextInput x="376" y="233" id="telephoneNum"/>
<mx:Script>
<![CDATA[
import mx.validators.Validator;
import mx.controls.Alert;
[Bindable]
             private var validatorArr:Array;
             private function init():void
             {
             validatorArr = new Array();
             validatorArr.push(jk);
             }
             private function onClick():void
             {
             var validatorErrorArray:Array = Validator.validateAll(validatorArr);
                var isValidForm:Boolean = validatorErrorArray.length == 0;
                if (isValidForm)
                {
                    Alert.show("The form is valid!", "Valid form...");
                }
                else
                {
                Alert.show("The form is not valid!", "Valid form...");
}
             }
            
]]>
</mx:Script>

<!--<mx:PhoneNumberValidator id="jk"  source="{telephoneNum}" property="text" >
</mx:PhoneNumberValidator> -->
<!--<mx:StringValidator id="jk" source="{telephoneNum}" property="text" maxLength="15" minLength="5">

</mx:StringValidator>-->
<!-- <mx:NumberValidator  id="jk" source="{telephoneNum}" property="text"
domain="int"
minValue="6"
maxValue="100"
lowerThanMinError="年龄过小！"
exceedsMaxError="年龄过大！"
integerError="年龄必须是整数！"
invalidCharError='输入了非数字字符！'
requiredFieldError="必须输入年龄！"
/>-->
<mx:EmailValidator
        id="jk"
        source="{telephoneNum}"
        property="text"
        invalidCharError="非法字符"
        invalidDomainError="非法域"
        invalidIPDomainError="非法IP域"
        missingAtSignError="缺少@符"
        missingPeriodInDomainError="缺少域后缀"
        missingUsernameError="缺少用户名"
    />
<mx:Button id="validatorBt" click="onClick()" x="137" y="10" label="Button"/>
<mx:TextInput x="376" y="293"/>

</mx:Application>