Java 使用「;R";而不是",;“南非兰特”;南非货币
当地区设置为南非时,如何使用“R”表示货币 现在它显示“ZAR”,我需要它显示“R” 我试过:Java 使用「;R";而不是",;“南非兰特”;南非货币,java,android,currency-formatting,Java,Android,Currency Formatting,当地区设置为南非时,如何使用“R”表示货币 现在它显示“ZAR”,我需要它显示“R” 我试过: final Currency curr = Currency.getInstance("ZAR"); final NumberFormat nf = NumberFormat.getCurrencyInstance(Locale.getDefault()); nf.setCurrency(curr); final String value = nf.format(12345.67); 完成所有这些之
final Currency curr = Currency.getInstance("ZAR");
final NumberFormat nf = NumberFormat.getCurrencyInstance(Locale.getDefault());
nf.setCurrency(curr);
final String value = nf.format(12345.67);
完成所有这些之后,我使用.replace()将ZAR替换为R 构建您自己的
NumberFormat
类(扩展Java的),并实现您自己的格式版本
;为除ZAR
以外的所有货币调用基类函数
您当前采用的方法将导致大量重复(和未封装)的代码。构建您自己的
NumberFormat
类(扩展Java的),并实现您自己的格式版本;为除ZAR
以外的所有货币调用基类函数
您当前采用的方法往往会导致大量重复(未封装)的代码。好的,我发现了一个很好的例子:
public static SortedMap<Currency, Locale> currencyLocaleMap;
static {
currencyLocaleMap = new TreeMap<Currency, Locale>(new Comparator<Currency>() {
public int compare(Currency c1, Currency c2){
return c1.getCurrencyCode().compareTo(c2.getCurrencyCode());
}
});
for (Locale locale : Locale.getAvailableLocales()) {
try {
Currency currency = Currency.getInstance(locale);
currencyLocaleMap.put(currency, locale);
}catch (Exception e){
}
}
}
public static String getCurrencySymbol(String currencyCode) {
Currency currency = Currency.getInstance(currencyCode);
System.out.println( currencyCode+ ":-" + currency.getSymbol(currencyLocaleMap.get(currency)));
return currency.getSymbol(currencyLocaleMap.get(currency));
}
公共静态分类地图currencyLocaleMap;
静止的{
currencyLocaleMap=新树映射(新比较器(){
公共整数比较(货币c1、货币c2){
返回c1.getCurrencyCode().compareTo(c2.getCurrencyCode());
}
});
for(Locale:Locale.getAvailableLocales()){
试一试{
Currency=Currency.getInstance(区域设置);
currencyLocaleMap.put(货币、区域设置);
}捕获(例外e){
}
}
}
公共静态字符串getCurrencySymbol(字符串currencyCode){
Currency Currency=Currency.getInstance(currencyCode);
System.out.println(currencyCode+“:-”+currency.getSymbol(currencyLocaleMap.get(currency));
返回currency.getSymbol(currencyLocaleMap.get(currency));
}
从这里:好的,我找到了一个很好的例子:
public static SortedMap<Currency, Locale> currencyLocaleMap;
static {
currencyLocaleMap = new TreeMap<Currency, Locale>(new Comparator<Currency>() {
public int compare(Currency c1, Currency c2){
return c1.getCurrencyCode().compareTo(c2.getCurrencyCode());
}
});
for (Locale locale : Locale.getAvailableLocales()) {
try {
Currency currency = Currency.getInstance(locale);
currencyLocaleMap.put(currency, locale);
}catch (Exception e){
}
}
}
public static String getCurrencySymbol(String currencyCode) {
Currency currency = Currency.getInstance(currencyCode);
System.out.println( currencyCode+ ":-" + currency.getSymbol(currencyLocaleMap.get(currency)));
return currency.getSymbol(currencyLocaleMap.get(currency));
}
公共静态分类地图currencyLocaleMap;
静止的{
currencyLocaleMap=新树映射(新比较器(){
公共整数比较(货币c1、货币c2){
返回c1.getCurrencyCode().compareTo(c2.getCurrencyCode());
}
});
for(Locale:Locale.getAvailableLocales()){
试一试{
Currency=Currency.getInstance(区域设置);
currencyLocaleMap.put(货币、区域设置);
}捕获(例外e){
}
}
}
公共静态字符串getCurrencySymbol(字符串currencyCode){
Currency Currency=Currency.getInstance(currencyCode);
System.out.println(currencyCode+“:-”+currency.getSymbol(currencyLocaleMap.get(currency));
返回currency.getSymbol(currencyLocaleMap.get(currency));
}
从这里开始:类根据作为参数传递的区域设置对数字进行格式化。如果区域设置为南非(新区域设置(“en”、“ZA”)
),则数字将正确显示:R 12345.67
final Currency curr = Currency.getInstance("ZAR");
final NumberFormat nf = NumberFormat.getCurrencyInstance(new Locale("en", "ZA"));
nf.setCurrency(curr);
final String value = nf.format(12345.67);
System.out.println(value);
NumberFormat
类根据作为参数传递的区域设置格式化数字。如果区域设置为南非(新区域设置(“en”、“ZA”)
),则数字将正确显示:R 12345.67
final Currency curr = Currency.getInstance("ZAR");
final NumberFormat nf = NumberFormat.getCurrencyInstance(new Locale("en", "ZA"));
nf.setCurrency(curr);
final String value = nf.format(12345.67);
System.out.println(value);
谢谢,有没有图书馆可以做到这一点呢?这是一个相当具体的(而且,我敢说,是特殊的)要求,所以我对此表示怀疑。我的方法只有十几行左右的代码。谢谢,有没有库已经可以做到这一点?这是一个相当具体的(而且,我敢说,是特殊的)要求,所以我对此表示怀疑。我的方法只有十几行代码。