Java Tutorial/I18N/Currency
Содержание
Create Currency from a Locale and get its symbol and Default Fraction Digits
import java.util.Currency;
import java.util.Locale;
class CurDemo {
public static void main(String args[]) {
Currency c = Currency.getInstance(Locale.US);
System.out.println("Symbol: " + c.getSymbol());
System.out.println("Default fractional digits: " + c.getDefaultFractionDigits());
}
}
Get currency symbol
import java.util.Currency;
import java.util.Locale;
public class Main {
public static void main(String[] args) {
Currency currency = Currency.getInstance(Locale.JAPAN);
System.out.println("Currency.getSymbol() = " + currency.getSymbol());
currency = Currency.getInstance(Locale.UK);
System.out.println("Currency.getSymbol() = " + currency.getSymbol());
currency = Currency.getInstance(Locale.US);
System.out.println("Currency.getSymbol() = " + currency.getSymbol());
currency = Currency.getInstance(new Locale("in", "ID"));
System.out.println("Currency.getSymbol() = " + currency.getSymbol());
}
}
Getting Currency Symbols for Locale.FRANCE
import java.util.Currency;
import java.util.Locale;
public class Main {
public static void main(String[] args) {
Currency currency = Currency.getInstance(Locale.FRANCE);
System.out.println("France: " + currency.getSymbol());
}
}
//France: EUR
Getting Currency Symbols for Locale.UK
import java.util.Currency;
import java.util.Locale;
public class Main {
public static void main(String[] args) {
Currency currency = Currency.getInstance(Locale.UK);
System.out.println("United Kingdom: " + currency.getSymbol());
}
}
//United Kingdom: GBP
Getting Currency Symbols for Locale.US
import java.util.Currency;
import java.util.Locale;
public class Main {
public static void main(String[] args) {
Currency currency = Currency.getInstance(Locale.US);
System.out.println("United States: " + currency.getSymbol());
}
}
//United States: US$
Load currecy locale, code and symbol to JTable
import java.util.Currency;
import java.util.Locale;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.AbstractTableModel;
import javax.swing.table.TableModel;
public class ShowCurrencies extends JFrame {
public ShowCurrencies() {
setDefaultCloseOperation(EXIT_ON_CLOSE);
final Locale[] locales = Locale.getAvailableLocales();
TableModel model = new AbstractTableModel() {
public int getColumnCount() {
return 3;
}
public String getColumnName(int column) {
if (column == 0)
return "Locale";
else if (column == 1)
return "Currency Code";
else
return "Currency Symbol";
}
public int getRowCount() {
return locales.length;
}
public Object getValueAt(int row, int col) {
if (col == 0)
return locales[row];
else
try {
if (col == 1)
return Currency.getInstance(locales[row]).getCurrencyCode();
else
return Currency.getInstance(locales[row]).getSymbol(locales[row]);
} catch (IllegalArgumentException iae) {
return null;
}
}
};
JTable table = new JTable(model);
JScrollPane sp = new JScrollPane(table);
getContentPane().add(sp);
pack();
setVisible(true);
}
public static void main(String[] args) {
new ShowCurrencies();
}
}