public static void main(String[] args) { Locale.setDefault(Locale.CHINA); //日期格式已设置为2017-8-25 9:37:55 DateFormat df = DateFormat.getDateTimeInstance(); Date date = new Date(); System.out.println(df.format(date)); NumberFormat nf = NumberFormat.getInstance(); long num = 12323344949L; System.out.println(nf.format(num)); double dub = 2131.48236; System.out.println(nf.format(dub)); }
输出:
2017-8-25 9:37:55
12,323,344,949
2,131.482