Java 数字千位分隔符

xiaoxiao2021-02-28  84

package com.zing; import java.math.BigDecimal; import java.text.DecimalFormat; public class Test { public static void main(String[] arg) { BigDecimal bd = new BigDecimal(123456789.3); System.out.println(parseNumber(",###,###", bd)); // out: 123,456,789 System.out.println(parseNumber(",###,###.00", bd)); // out: 123,456,789.30 } public static String parseNumber(String pattern, BigDecimal bd) { DecimalFormat df = new DecimalFormat(pattern); return df.format(bd); } }
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