- public class test03 {
- public static void calculateTimeDifferenceBySimpleDateFormat() throws ParseException {
- SimpleDateFormat simpleFormat = new SimpleDateFormat("yyyy-MM-dd hh:mm");
- /* 天数差 */
- Date fromDate1 = simpleFormat.parse("2020-02-28 12:00");
- Date toDate1 = simpleFormat.parse("2020-03-01 12:00");
- long from1 = fromDate1.getTime();
- long to1 = toDate1.getTime();
- int days = (int) ((to1 - from1) / (1000 * 60 * 60 * 24));
- System.out.println("两个时间之间的天数差为:" + days);
- /* 小时差 */
- Date fromDate2 = simpleFormat.parse("2020-01-14 12:00");
- Date toDate2 = simpleFormat.parse("2018-01-15 12:00");
- long from2 = fromDate2.getTime();
- long to2 = toDate2.getTime();
- int hours = (int) ((to2 - from2) / (1000 * 60 * 60));
- System.out.println("两个时间之间的小时差为:" + hours);
- /* 分钟差 */
- Date fromDate3 = simpleFormat.parse("2020-01-01 12:00");
- Date toDate3 = simpleFormat.parse("2020-01-01 13:00");
- long from3 = fromDate3.getTime();
- long to3 = toDate3.getTime();
- int minutes = (int) ((to3 - from3) / (1000 * 60));
- System.out.println("两个时间之间的分钟差为:" + minutes);
- }
- public static void main(String[] args) throws ParseException {
- calculateTimeDifferenceBySimpleDateFormat();
- }
- }
来源: http://www.bubuko.com/infodetail-3381770.html