验证form表单

<?xml version="1.0" encoding="utf-8"?> 
<!--
date:2008.7.24
version:v1.0
author:zhaoyl
des:验证表单并给予友好化提示

-->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" 
				layout="vertical" 
				verticalAlign="middle" 
				backgroundColor="white" 
				pageTitle="验证form表单"
				creationComplete="init()"> 

	<mx:Script> 
		<![CDATA[ 
			import mx.validators.Validator; 
			import mx.events.ValidationResultEvent; 
			import mx.validators.ZipCodeValidatorDomainType; 
			import mx.controls.Alert; 

			[Bindable] 
			private var validatorArr:Array; 

			private function init():void 
			{ 
				validatorArr = new Array(); 
				validatorArr.push(name_stringValidator); 
				validatorArr.push(address1_stringValidator); 
				validatorArr.push(city_stringValidator); 
				validatorArr.push(state_numberValidator); 
				validatorArr.push(zipCode_zipCodeValidator); 
				validatorArr.push(zipCode_stringValidator); 
			} 

			private function validateForm(evt:MouseEvent):void { 
				var validatorErrorArray:Array = Validator.validateAll(validatorArr);; 
				var isValidForm:Boolean = validatorErrorArray.length == 0; 
				if (isValidForm) { 
					Alert.show("员工信息填写不完整!"); 
				} else { 
					var err:ValidationResultEvent; 
					var errorMessageArray:Array = []; 
					for each (err in validatorErrorArray) { 
						var errField:String = FormItem(err.currentTarget.source.parent).label 
						errorMessageArray.push(errField + ": " + err.message); 
					} 
					Alert.show(errorMessageArray.join("\n\n"), "请按照以下错误提示信息重新填写", Alert.OK); 
				} 
			} 

			private function resetForm(evt:MouseEvent):void 
			{ 
				e_name.text =""; 
				address1.text = ""; 
				address2.text = ""; 
				city.text = ""; 
				state.selectedIndex = -1; 
				zipCode.text = ""; 
			} 
		]]> 
	</mx:Script> 

	<mx:XMLList id="statesXMLList"> 
		<state label="生产中心" data="CA" /> 
		<state label="运营中心" data="OR" /> 
	</mx:XMLList> 

	<mx:StringValidator id="name_stringValidator" 
						source="{e_name}" 
						requiredFieldError="姓名不能为空"
						property="text" 
						minLength="2" /> 

	<mx:StringValidator id="address1_stringValidator" 
						source="{address1}" 
						requiredFieldError="地址不能为空"
						property="text" 
						minLength="2" /> 

	<mx:StringValidator id="city_stringValidator" 
						source="{city}" 
						requiredFieldError="城市不能为空"        
						property="text" 
						minLength="2" /> 

	<mx:NumberValidator id="state_numberValidator" 
						source="{state}" 
						lowerThanMinError="请选择员工所在部门" 
						requiredFieldError="请选择部门"        
						property="selectedIndex" 
						minValue="0" /> 

	<mx:ZipCodeValidator id="zipCode_zipCodeValidator" 
						 source="{zipCode}" 
						 property="text" 
						 requiredFieldError="邮政编码不能超过10位" 
						 domain="{ZipCodeValidatorDomainType.US_ONLY}"  /> 

	<mx:StringValidator id="zipCode_stringValidator" 
						source="{zipCode}" 
						property="text" 
						tooShortError="邮政编码是0-9的数字" 
						requiredFieldError="邮政编码不能为空"
						minLength="10" maxLength="10" /> 

	<mx:Form> 
		<mx:FormHeading label="员工注册" /> 
		<mx:FormItem required="true" label="姓名"> 
			<mx:TextInput id="e_name" maxChars="96" /> 
		</mx:FormItem> 
		<mx:FormItem required="true" label="地址"> 
			<mx:TextInput id="address1" maxChars="128" /> 
		</mx:FormItem> 
		<mx:FormItem label="区域"> 
			<mx:TextInput id="address2" maxChars="128" /> 
		</mx:FormItem> 
		<mx:FormItem required="true" label="城市"> 
			<mx:TextInput id="city" maxChars="128" /> 
		</mx:FormItem> 
		<mx:FormItem required="true" label="部门"> 
			<mx:ComboBox id="state" prompt="选择部门" selectedIndex="-1" dataProvider="{statesXMLList}" labelField="@label" /> 
		</mx:FormItem> 
		<mx:FormItem required="true" label="邮政编码"> 
			<mx:TextInput id="zipCode" maxChars="10" restrict="0-9 -" /> 
		</mx:FormItem> 
		<mx:FormItem> 
			<mx:HBox> 
				<mx:Button label="注册" click="validateForm(event)" /> 
				<mx:Button label="重置" click="resetForm(event)" /> 
			</mx:HBox> 
		</mx:FormItem> 
	</mx:Form> 

</mx:Application>