| Pacchetto | mx.formatters |
| Classe | public class CurrencyFormatter |
| Ereditarietà | CurrencyFormatter  Formatter Object |
| Versione linguaggio: | ActionScript 3.0 |
| Versione prodotto: | Flex 3 |
| Versioni runtime: | Flash Player 9, AIR 1.1 |
 | A partire da Flex 4.5, Adobe consiglia di utilizzare la classe spark.formatters.CurrencyFormatter come alternativa a questa classe. |
The CurrencyFormatter class formats a valid number as a currency value. It adjusts the decimal rounding and precision, the thousands separator, and the negative sign; it also adds a currency symbol. You place the currency symbol on either the left or the right side of the value with the
alignSymbol property.
The currency symbol can contain multiple characters,
including blank spaces.
If an error occurs, an empty String is returned and a String that describes
the error is saved to the error property. The error
property can have one of the following values:
-
"Invalid value"means an invalid numeric value is passed to theformat()method. The value should be a valid number in the form of a Number or a String. -
"Invalid format"means one of the parameters contains an unusable setting.
Mostra sintassi MXML
Nascondi sintassi MXMLThe <mx:CurrencyFormatter> tag
inherits all of the tag attributes of its superclass,
and adds the following tag attributes:
<mx:CurrencyFormatter
alignSymbol="left|right"
currencySymbol="$"
decimalSeparatorFrom="."
decimalSeparatorTo="."
precision="-1"
rounding="none|up|down|nearest"
thousandsSeparatorFrom=","
thousandsSeparatorTo=","
useNegativeSign="true|false"
useThousandsSeparator="true|false"
/>
Elementi API correlati
| Proprietà | Definito da | ||
|---|---|---|---|
| alignSymbol : String
Aligns currency symbol to the left side or the right side
of the formatted number. | CurrencyFormatter | ||
 | constructor : Object
Un riferimento all'oggetto classe o alla funzione di costruzione per una determinata istanza di oggetto. | Object | |
| currencySymbol : String
Character to use as a currency symbol for a formatted number. | CurrencyFormatter | ||
| decimalSeparatorFrom : String
Decimal separator character to use
when parsing an input string. | CurrencyFormatter | ||
| decimalSeparatorTo : String
Decimal separator character to use
when outputting formatted decimal numbers. | CurrencyFormatter | ||
| error : String
Description saved by the formatter when an error occurs. | Formatter | |
| precision : Object
Number of decimal places to include in the output String. | CurrencyFormatter | ||
| rounding : String
How to round the number. | CurrencyFormatter | ||
| thousandsSeparatorFrom : String
Character to use as the thousands separator
in the input String. | CurrencyFormatter | ||
| thousandsSeparatorTo : String
Character to use as the thousands separator
in the output string. | CurrencyFormatter | ||
| useNegativeSign : Object
If true, format a negative number
by preceding it with a minus "-" sign. | CurrencyFormatter | ||
| useThousandsSeparator : Object
If true, split the number into thousands increments
by using a separator character. | CurrencyFormatter | ||
| Metodo | Definito da | ||
|---|---|---|---|
Constructor. | CurrencyFormatter | ||
[override]
Formats value as currency. | CurrencyFormatter | ||
|
Indica se per un oggetto è definita una proprietà specifica. | Object | |
|
Indica se un'istanza della classe Object si trova nella catena di prototipi dell'oggetto specificato come parametro. | Object | |
|
Indica se la proprietà specificata esiste ed è enumerabile. | Object | |
|
Imposta la disponibilità di una proprietà dinamica per le operazioni cicliche. | Object | |
|
Restituisce la rappresentazione in formato stringa di questo oggetto, formattato in base alle convenzioni specifiche per le versioni localizzate. | Object | |
|
Restituisce la rappresentazione in formato stringa dell'oggetto specificato. | Object | |
|
Restituisce il valore di base dell'oggetto specificato. | Object | |
alignSymbol | proprietà |
alignSymbol:String| Versione linguaggio: | ActionScript 3.0 |
| Versione prodotto: | Flex 3 |
| Versioni runtime: | Flash Player 9, AIR 1.1 |
Aligns currency symbol to the left side or the right side
of the formatted number.
Permitted values are "left" and "right".
Il valore predefinito è "left".
Implementazione
public function get alignSymbol():String public function set alignSymbol(value:String):voidcurrencySymbol | proprietà |
currencySymbol:String| Versione linguaggio: | ActionScript 3.0 |
| Versione prodotto: | Flex 3 |
| Versioni runtime: | Flash Player 9, AIR 1.1 |
Character to use as a currency symbol for a formatted number. You can use one or more characters to represent the currency symbol; for example, "$" or "YEN". You can also use empty spaces to add space between the currency character and the formatted number. When the number is a negative value, the currency symbol appears between the number and the minus sign or parentheses.
Il valore predefinito è "$".
Implementazione
public function get currencySymbol():String public function set currencySymbol(value:String):voiddecimalSeparatorFrom | proprietà |
decimalSeparatorFrom:String| Versione linguaggio: | ActionScript 3.0 |
| Versione prodotto: | Flex 3 |
| Versioni runtime: | Flash Player 9, AIR 1.1 |
Decimal separator character to use when parsing an input string.
Il valore predefinito è ".".
Implementazione
public function get decimalSeparatorFrom():String public function set decimalSeparatorFrom(value:String):voiddecimalSeparatorTo | proprietà |
decimalSeparatorTo:String| Versione linguaggio: | ActionScript 3.0 |
| Versione prodotto: | Flex 3 |
| Versioni runtime: | Flash Player 9, AIR 1.1 |
Decimal separator character to use when outputting formatted decimal numbers.
Il valore predefinito è ".".
Implementazione
public function get decimalSeparatorTo():String public function set decimalSeparatorTo(value:String):voidprecision | proprietà |
precision:Object| Versione linguaggio: | ActionScript 3.0 |
| Versione prodotto: | Flex 3 |
| Versioni runtime: | Flash Player 9, AIR 1.1 |
Number of decimal places to include in the output String.
You can disable precision by setting it to -1.
A value of -1 means do not change the precision. For example,
if the input value is 1.453 and rounding
is set to NumberBaseRoundType.NONE, return 1.453.
If precision is -1 and you set some form of
rounding, return a value based on that rounding type.
Il valore predefinito è -1.
Implementazione
public function get precision():Object public function set precision(value:Object):voidrounding | proprietà |
rounding:String| Versione linguaggio: | ActionScript 3.0 |
| Versione prodotto: | Flex 3 |
| Versioni runtime: | Flash Player 9, AIR 1.1 |
How to round the number.
In ActionScript, the value can be NumberBaseRoundType.NONE,
NumberBaseRoundType.UP,
NumberBaseRoundType.DOWN, or NumberBaseRoundType.NEAREST.
In MXML, the value can be "none",
"up", "down", or "nearest".
Il valore predefinito è NumberBaseRoundType.NONE.
Implementazione
public function get rounding():String public function set rounding(value:String):voidElementi API correlati
thousandsSeparatorFrom | proprietà |
thousandsSeparatorFrom:String| Versione linguaggio: | ActionScript 3.0 |
| Versione prodotto: | Flex 3 |
| Versioni runtime: | Flash Player 9, AIR 1.1 |
Character to use as the thousands separator in the input String.
Il valore predefinito è ",".
Implementazione
public function get thousandsSeparatorFrom():String public function set thousandsSeparatorFrom(value:String):voidthousandsSeparatorTo | proprietà |
thousandsSeparatorTo:String| Versione linguaggio: | ActionScript 3.0 |
| Versione prodotto: | Flex 3 |
| Versioni runtime: | Flash Player 9, AIR 1.1 |
Character to use as the thousands separator in the output string.
Il valore predefinito è ",".
Implementazione
public function get thousandsSeparatorTo():String public function set thousandsSeparatorTo(value:String):voiduseNegativeSign | proprietà |
useNegativeSign:Object| Versione linguaggio: | ActionScript 3.0 |
| Versione prodotto: | Flex 3 |
| Versioni runtime: | Flash Player 9, AIR 1.1 |
If true, format a negative number
by preceding it with a minus "-" sign.
If false, format the number
surrounded by parentheses, for example (400).
Il valore predefinito è true.
Implementazione
public function get useNegativeSign():Object public function set useNegativeSign(value:Object):voiduseThousandsSeparator | proprietà |
useThousandsSeparator:Object| Versione linguaggio: | ActionScript 3.0 |
| Versione prodotto: | Flex 3 |
| Versioni runtime: | Flash Player 9, AIR 1.1 |
If true, split the number into thousands increments
by using a separator character.
Il valore predefinito è true.
Implementazione
public function get useThousandsSeparator():Object public function set useThousandsSeparator(value:Object):voidCurrencyFormatter | () | Funzione di costruzione |
public function CurrencyFormatter()| Versione linguaggio: | ActionScript 3.0 |
| Versione prodotto: | Flex 3 |
| Versioni runtime: | Flash Player 9, AIR 1.1 |
Constructor.
format | () | metodo |
override public function format(value:Object):String| Versione linguaggio: | ActionScript 3.0 |
| Versione prodotto: | Flex 3 |
| Versioni runtime: | Flash Player 9, AIR 1.1 |
Formats value as currency.
If value cannot be formatted, return an empty String
and write a description of the error to the error property.
Parametri
value:Object — Value to format.
|
String — Formatted string. Empty if an error occurs.
|
<?xml version="1.0" encoding="utf-8"?>
<!-- Simple example to demonstrate the CurrencyFormatter. -->
<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>
<![CDATA[
import mx.events.ValidationResultEvent;
private var vResult:ValidationResultEvent;
// Event handler to validate and format input.
private function Format():void {
vResult = numVal.validate();
if (vResult.type==ValidationResultEvent.VALID) {
var temp:Number = Number(priceUS.text);
formattedUSPrice.text = usdFormatter.format(temp);
} else {
formattedUSPrice.text = "";
}
}
]]>
</fx:Script>
<fx:Declarations>
<mx:CurrencyFormatter id="usdFormatter" precision="2"
currencySymbol="$" decimalSeparatorFrom="."
decimalSeparatorTo="." useNegativeSign="true"
useThousandsSeparator="true" alignSymbol="left"/>
<mx:NumberValidator id="numVal" source="{priceUS}" property="text"
allowNegative="true" domain="real"/>
</fx:Declarations>
<s:Panel title="CurrencyFormatter Example"
width="75%" height="75%"
horizontalCenter="0" verticalCenter="0">
<mx:Form left="10" right="10" top="10" bottom="10">
<mx:FormItem label="Enter U.S. dollar amount:">
<s:TextInput id="priceUS" text="" width="50%"/>
</mx:FormItem>
<mx:FormItem label="Formatted amount: ">
<s:TextInput id="formattedUSPrice" text="" width="50%" editable="false"/>
</mx:FormItem>
<mx:FormItem>
<s:Button label="Validate and Format" click="Format();"/>
</mx:FormItem>
</mx:Form>
</s:Panel>
</s:Application>
Tue Jun 12 2018, 02:44 PM Z