JAVA-計算兩個日期之間相差的天數
阿新 • • 發佈:2018-12-14
/** * 計算兩個日期之間相差的天數 * @param date1 * @param date2 * @return */ public static int daysBetween(Date date1,Date date2){ Calendar cal = Calendar.getInstance(); cal.setTime(date1); long time1 = cal.getTimeInMillis(); cal.setTime(date2); long time2 = cal.getTimeInMillis(); long between_days=(time2-time1)/(1000*3600*24);
return Integer.parseInt(String.valueOf(between_days)); }