import java.util.*;

import java.text.*;

/*

nowjava - 时代Java 提 供

*/

public class DecimalFormatDemo {

static public void customFormat(String pattern, double value) {

DecimalFormat myFormatter = new DecimalFormat(pattern);

String output = myFormatter.format(value);

System.out.println(value + " " + pattern + " " + output);

}

static public void localizedFormat(String pattern, double value,

Locale loc) {

NumberFormat nf = NumberFormat.getNumberInstance(loc);

DecimalFormat df = (DecimalFormat) nf;

df.applyPattern(pattern);

String output = df.format(value);

System.out.println(pattern + " " + output + " " + loc.toString());

}

/*来自 n o w j a v a . c o m - 时 代 Java*/

static public void main(String[] args) {

customFormat("###,###.###", 123456.789);

customFormat("###.##", 123456.789);

customFormat("000000.000", 123.78);

customFormat("$###,###.###", 12345.67);

customFormat("\u00a5###,###.###", 12345.67);

Locale currentLocale = new Locale("en", "US");

DecimalFormatSymbols unusualSymbols = new DecimalFormatSymbols(

currentLocale);

unusualSymbols.setDecimalSeparator('|');

unusualSymbols.setGroupingSeparator('^');

String strange = "#,##0.###";

DecimalFormat weirdFormatter = new DecimalFormat(strange,

unusualSymbols);

weirdFormatter.setGroupingSize(4);

String bizarre = weirdFormatter.format(12345.678);

System.out.println(bizarre);

Locale[] locales = { new Locale("en", "US"),

new Locale("de", "DE"), new Locale("fr", "FR") };

for (int i = 0; i < locales.length; i++) {

localizedFormat("###,###.###", 123456.789, locales[i]);

}

}

}

/*

* Copyright (c) 1995, 2008, Oracle and/or its affiliates. All rights reserved.

*

* Redistribution and use in source and binary forms, with or without

* modification, are permitted provided that the following conditions

* are met:

*

* - Redistributions of source code must retain the above copyright

* notice, this list of conditions and the following disclaimer.

*

* - Redistributions in binary form must reproduce the above copyright

* notice, this list of conditions and the following disclaimer in the

* documentation and/or other materials provided with the distribution.

*

* - Neither the name of Oracle or the names of its

* contributors may be used to endorse or promote products derived

* from this software without specific prior written permission.

*

* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS

* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,

* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

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