| 패키지 | mx.validators |
| 클래스 | public class NumberValidator |
| 상속 | NumberValidator  Validator EventDispatcher Object |
| 언어 버전: | ActionScript 3.0 |
| 제품 버전: | Flex 3 |
| 런타임 버전: | Flash Player 9, AIR 1.1 |
 | Flex 4.5(으)로 시작하는 경우 이 클래스 대신 spark.validators.NumberValidator 클래스를 사용하는 것이 좋습니다. |
The NumberValidator class ensures that a String represents a valid number. It can ensure that the input falls within a given range (specified by
minValue and maxValue),
is an integer (specified by domain),
is non-negative (specified by allowNegative),
and does not exceed the specified precision.
The validator correctly validates formatted numbers (e.g., "12,345.67")
and you can customize the thousandsSeparator and
decimalSeparator properties for internationalization.
MXML 구문
MXML 구문 표시
MXML 구문 숨기기The <mx:NumberValidator> tag
inherits all of the tag attributes of its superclass,
and adds the following tag attributes:
<mx:NumberValidator
allowNegative="true|false"
decimalPointCountError="The decimal separator can only occur once."
decimalSeparator="."
domain="real|int"
exceedsMaxError="The number entered is too large."
integerError="The number must be an integer."
invalidCharError="The input contains invalid characters."
invalidFormatCharsError="One of the formatting parameters is invalid."
lowerThanMinError="The amount entered is too small."
maxValue="NaN"
minValue="NaN"
negativeError="The amount may not be negative."
precision="-1"
precisionError="The amount entered has too many digits beyond the decimal point."
separationError="The thousands separator must be followed by three digits."
thousandsSeparator=","
/>
| 속성 | 정의 주체 | ||
|---|---|---|---|
| allowNegative : Object
Specifies whether negative numbers are permitted. | NumberValidator | ||
 | constructor : Object
지정된 객체 인스턴스의 클래스 객체 또는 생성자 함수에 대한 참조입니다. | Object | |
| decimalPointCountError : String
Error message when the decimal separator character occurs more than once. | NumberValidator | ||
| decimalSeparator : String
The character used to separate the whole
from the fractional part of the number. | NumberValidator | ||
| domain : String
Type of number to be validated. | NumberValidator | ||
| enabled : Boolean
Setting this value to false will stop the validator
from performing validation. | Validator | |
| exceedsMaxError : String
Error message when the value exceeds the maxValue property. | NumberValidator | ||
| integerError : String
Error message when the number must be an integer, as defined
by the domain property. | NumberValidator | ||
| invalidCharError : String
Error message when the value contains invalid characters. | NumberValidator | ||
| invalidFormatCharsError : String
Error message when the value contains invalid format characters, which means that
it contains a digit or minus sign (-) as a separator character,
or it contains two or more consecutive separator characters. | NumberValidator | ||
| listener : Object
Specifies the validation listener. | Validator | |
| lowerThanMinError : String
Error message when the value is less than minValue. | NumberValidator | ||
| maxValue : Object
Maximum value for a valid number. | NumberValidator | ||
| minValue : Object
Minimum value for a valid number. | NumberValidator | ||
| negativeError : String
Error message when the value is negative and the
allowNegative property is false. | NumberValidator | ||
| precision : Object
The maximum number of digits allowed to follow the decimal point. | NumberValidator | ||
| precisionError : String
Error message when the value has a precision that exceeds the value defined
by the precision property. | NumberValidator | ||
| property : String
A String specifying the name of the property
of the source object that contains
the value to validate. | Validator | |
| required : Boolean = true
If true, specifies that a missing or empty
value causes a validation error. | Validator | |
| requiredFieldError : String
Error message when a value is missing and the
required property is true. | Validator | |
| separationError : String
Error message when the thousands separator is in the wrong location. | NumberValidator | ||
| source : Object
Specifies the object containing the property to validate. | Validator | |
| thousandsSeparator : String
The character used to separate thousands
in the whole part of the number. | NumberValidator | ||
| trigger : IEventDispatcher
Specifies the component generating the event that triggers the validator. | Validator | |
| triggerEvent : String
Specifies the event that triggers the validation. | Validator | |
| 메서드 | 정의 주체 | ||
|---|---|---|---|
Constructor. | NumberValidator | ||
| addEventListener(type:String, listener:Function, useCapture:Boolean = false, priority:int = 0, useWeakReference:Boolean = false):void
리스너에서 이벤트 알림을 받을 수 있도록 EventDispatcher 객체에 이벤트 리스너 객체를 등록합니다. | EventDispatcher | |
|
이벤트를 이벤트 흐름으로 전달합니다. | EventDispatcher | |
|
EventDispatcher 객체에 특정 유형의 이벤트에 대한 리스너가 등록되어 있는지 여부를 확인합니다. | EventDispatcher | |
|
지정된 속성이 객체에 정의되어 있는지 여부를 나타냅니다. | Object | |
|
Called automatically by the MXML compiler when the Validator
is created using an MXML tag. | Validator | |
|
Object 클래스의 인스턴스가 매개 변수로 지정된 객체의 프로토타입 체인에 있는지 여부를 나타냅니다. | Object | |
|
지정된 속성이 존재하고 열거 가능한지 여부를 나타냅니다. | Object | |
|
EventDispatcher 객체에서 리스너를 제거합니다. | EventDispatcher | |
|
루프 작업에서 동적 속성을 사용할 수 있는지 여부를 설정합니다. | Object | |
|
로캘별 규칙에 따라 서식이 지정된 이 객체의 문자열 표현을 반환합니다. | Object | |
|
지정된 객체의 문자열 표현을 반환합니다. | Object | |
|
Performs validation and optionally notifies
the listeners of the result. | Validator | |
| [정적]
Invokes all the validators in the validators Array. | Validator | |
[정적]
Convenience method for calling a validator
from within a custom validation function. | NumberValidator | ||
|
지정된 객체의 프리미티브 값을 반환합니다. | Object | |
|
이 EventDispatcher 객체 또는 조상 객체에 지정한 이벤트 유형에 대한 이벤트 리스너가 등록되어 있는지 여부를 확인합니다. | EventDispatcher | |
| 메서드 | 정의 주체 | ||
|---|---|---|---|
|
Sets up all of the listeners for the
valid and invalid
events dispatched from the validator. | Validator | |
[재정의]
Override of the base class doValidation() method
to validate a number. | NumberValidator | ||
|
Returns the Object to validate. | Validator | |
|
Returns a ValidationResultEvent from the Array of error results. | Validator | |
|
Returns true if value is not null. | Validator | |
|
Disconnects all of the listeners for the
valid and invalid
events dispatched from the validator. | Validator | |
|
This method is called when a Validator is constructed,
and again whenever the ResourceManager dispatches
a "change" Event to indicate
that the localized resources have changed in some way. | Validator | |
allowNegative | 속성 |
decimalPointCountError | 속성 |
decimalPointCountError:String| 언어 버전: | ActionScript 3.0 |
| 제품 버전: | Flex 3 |
| 런타임 버전: | Flash Player 9, AIR 1.1 |
Error message when the decimal separator character occurs more than once.
기본값: "The decimal separator can occur only once.".
구현
public function get decimalPointCountError():String public function set decimalPointCountError(value:String):voiddecimalSeparator | 속성 |
decimalSeparator:String| 언어 버전: | ActionScript 3.0 |
| 제품 버전: | Flex 3 |
| 런타임 버전: | Flash Player 9, AIR 1.1 |
The character used to separate the whole
from the fractional part of the number.
Cannot be a digit and must be distinct from the
thousandsSeparator.
기본값: ".".
구현
public function get decimalSeparator():String public function set decimalSeparator(value:String):voiddomain | 속성 |
domain:String| 언어 버전: | ActionScript 3.0 |
| 제품 버전: | Flex 3 |
| 런타임 버전: | Flash Player 9, AIR 1.1 |
Type of number to be validated.
Permitted values are "real" and "int".
In ActionScript, you can use the following constants to set this property:
NumberValidatorDomainType.REAL or
NumberValidatorDomainType.INT.
기본값: "real".
구현
public function get domain():String public function set domain(value:String):voidexceedsMaxError | 속성 |
integerError | 속성 |
integerError:String| 언어 버전: | ActionScript 3.0 |
| 제품 버전: | Flex 3 |
| 런타임 버전: | Flash Player 9, AIR 1.1 |
Error message when the number must be an integer, as defined
by the domain property.
기본값: "The number must be an integer.".
구현
public function get integerError():String public function set integerError(value:String):voidinvalidCharError | 속성 |
invalidFormatCharsError | 속성 |
invalidFormatCharsError:String| 언어 버전: | ActionScript 3.0 |
| 제품 버전: | Flex 3 |
| 런타임 버전: | Flash Player 9, AIR 1.1 |
Error message when the value contains invalid format characters, which means that it contains a digit or minus sign (-) as a separator character, or it contains two or more consecutive separator characters.
기본값: "One of the formatting parameters is invalid.".
구현
public function get invalidFormatCharsError():String public function set invalidFormatCharsError(value:String):voidlowerThanMinError | 속성 |
maxValue | 속성 |
minValue | 속성 |
negativeError | 속성 |
negativeError:String| 언어 버전: | ActionScript 3.0 |
| 제품 버전: | Flex 3 |
| 런타임 버전: | Flash Player 9, AIR 1.1 |
Error message when the value is negative and the
allowNegative property is false.
기본값: "The amount may not be negative.".
구현
public function get negativeError():String public function set negativeError(value:String):voidprecision | 속성 |
precision:Object| 언어 버전: | ActionScript 3.0 |
| 제품 버전: | Flex 3 |
| 런타임 버전: | Flash Player 9, AIR 1.1 |
The maximum number of digits allowed to follow the decimal point.
Can be any nonnegative integer.
Note: Setting to 0 has the same effect
as setting domain to "int".
A value of -1 means it is ignored.
기본값: -1.
구현
public function get precision():Object public function set precision(value:Object):voidprecisionError | 속성 |
precisionError:String| 언어 버전: | ActionScript 3.0 |
| 제품 버전: | Flex 3 |
| 런타임 버전: | Flash Player 9, AIR 1.1 |
Error message when the value has a precision that exceeds the value defined by the precision property.
기본값: "The amount entered has too many digits beyond the decimal point.".
구현
public function get precisionError():String public function set precisionError(value:String):voidseparationError | 속성 |
separationError:String| 언어 버전: | ActionScript 3.0 |
| 제품 버전: | Flex 3 |
| 런타임 버전: | Flash Player 9, AIR 1.1 |
Error message when the thousands separator is in the wrong location.
기본값: "The thousands separator must be followed by three digits.".
구현
public function get separationError():String public function set separationError(value:String):voidthousandsSeparator | 속성 |
thousandsSeparator:String| 언어 버전: | ActionScript 3.0 |
| 제품 버전: | Flex 3 |
| 런타임 버전: | Flash Player 9, AIR 1.1 |
The character used to separate thousands
in the whole part of the number.
Cannot be a digit and must be distinct from the
decimalSeparator.
기본값: ",".
구현
public function get thousandsSeparator():String public function set thousandsSeparator(value:String):voidNumberValidator | () | 생성자 |
public function NumberValidator()| 언어 버전: | ActionScript 3.0 |
| 제품 버전: | Flex 3 |
| 런타임 버전: | Flash Player 9, AIR 1.1 |
Constructor.
doValidation | () | 메서드 |
override protected function doValidation(value:Object):Array| 언어 버전: | ActionScript 3.0 |
| 제품 버전: | Flex 3 |
| 런타임 버전: | Flash Player 9, AIR 1.1 |
Override of the base class doValidation() method
to validate a number.
You do not call this method directly; Flex calls it as part of performing a validation. If you create a custom Validator class, you must implement this method.
매개 변수
value:Object — Object to validate.
|
Array — An Array of ValidationResult objects, with one ValidationResult
object for each field examined by the validator.
|
validateNumber | () | 메서드 |
public static function validateNumber(validator:NumberValidator, value:Object, baseField:String):Array| 언어 버전: | ActionScript 3.0 |
| 제품 버전: | Flex 3 |
| 런타임 버전: | Flash Player 9, AIR 1.1 |
Convenience method for calling a validator from within a custom validation function. Each of the standard Flex validators has a similar convenience method.
매개 변수
validator:NumberValidator — The NumberValidator instance.
| |
value:Object — A field to validate.
| |
baseField:String — Text representation of the subfield
specified in the value parameter.
For example, if the value parameter specifies value.number,
the baseField value is "number".
|
Array — An Array of ValidationResult objects, with one ValidationResult
object for each field examined by the validator.
|
관련 API 요소
<?xml version="1.0" encoding="utf-8"?>
<!-- Simple example to demonstrate the NumberValidator. -->
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
xmlns:mx="library://ns.adobe.com/flex/mx">
<fx:Script>
import mx.controls.Alert;
</fx:Script>
<fx:Declarations>
<mx:NumberValidator source="{age}" property="text" integerError="Enter Integer value"
minValue="18" maxValue="50" domain="int"
trigger="{myButton}" triggerEvent="click"
valid="Alert.show('Validation Succeeded!');"
invalid="Alert.show('Validation failed!');"/>
</fx:Declarations>
<s:Panel title="NumberValidator Example"
width="75%" height="75%"
horizontalCenter="0" verticalCenter="0">
<mx:Form left="10" right="10" top="10" bottom="10">
<mx:FormItem label="Enter an age between 18 and 50:">
<s:TextInput id="age" width="100%"/>
</mx:FormItem>
<mx:FormItem >
<s:Button id="myButton" label="Validate" />
</mx:FormItem>
</mx:Form>
</s:Panel>
</s:Application>
Tue Jun 12 2018, 03:17 PM Z