小时:
public static int getOffectHour(long date1, long date2) {
Calendar calendar1 = Calendar.getInstance();
calendar1.setTimeInMillis(date1);
Calendar calendar2 = Calendar.getInstance();
calendar2.setTimeInMillis(date2);
int h1 = calendar1.get(Calendar.HOUR_OF_DAY);
int h2 = calendar2.get(Calendar.HOUR_OF_DAY);
int h = 0;
int day = getOffectDay(date1, date2);
h = h1-h2+day*24;
return h;
}