java 数字转为千分符格式字符串，将千分符格式字符串反转为数字

Posted 2020-09-25 X-Bing

int a = 2000;
String str = NumberFormat.getIntegerInstance(Locale.getDefault()).format(a);     //转为千分符字符串
System.out.println(str);

try {
    int b = NumberFormat.getIntegerInstance(Locale.getDefault()).parse(str).intValue();    //转为数字
    System.out.println("" + b);
} catch (ParseException e) {
    e.printStackTrace();
}