SimpleDateFormat sdf =new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
long diff =0L;
long time1 = sdf.parse(date1).getTime();
long time2 = sdf.parse(date2).getTime();
diff = (time1 - time2)/(1000 *60 *60 *24);
diff即为两个时间比较后相差的天数.
SimpleDateFormat sdf =new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
long diff =0L;
long time1 = sdf.parse(date1).getTime();
long time2 = sdf.parse(date2).getTime();
diff = (time1 - time2)/(1000 *60 *60 *24);
diff即为两个时间比较后相差的天数.