我尝试过使用 NumberFormat
和 DecimalFormat
.即使我使用的是 en-In
语言环境,数字也被格式化为西方格式.是否有任何选项可以将数字格式化为 lakhs 格式?
I have tried using NumberFormat
and DecimalFormat
. Even though I am using the en-In
locale, the numbers are being formatted in Western formats. Is there any option to format a number in lakhs format instead?
Ex - 我希望 NumberFormatInstance.format(123456)
给出 1,23,456.00
而不是 123,456.00
(例如,使用描述的系统此维基百科页面).
Ex - I want NumberFormatInstance.format(123456)
to give 1,23,456.00
instead of 123,456.00
(e.g., using the system described on this Wikipedia page).
由于标准的 Java 格式化程序是不可能的,我可以提供自定义格式化程序
Since it is impossible with standard the Java formatters, I can offer a custom formatter
public static void main(String[] args) throws Exception {
System.out.println(formatLakh(123456.00));
}
private static String formatLakh(double d) {
String s = String.format(Locale.UK, "%1.2f", Math.abs(d));
s = s.replaceAll("(.+)(...\...)", "$1,$2");
while (s.matches("\d{3,},.+")) {
s = s.replaceAll("(\d+)(\d{2},.+)", "$1,$2");
}
return d < 0 ? ("-" + s) : s;
}
输出
1,23,456.00
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