java計算工齡
阿新 • • 發佈:2020-11-23
import java.util.Date; import java.util.Calendar; public int workAge(Date nowTime, Date workTime){ int year = 0; //當前時間的年月日 Calendar cal = Calendar.getInstance(); cal.setTime(nowTime); int nowYear = cal.get(Calendar.YEAR); int nowMonth = cal.get(Calendar.MONTH); int nowDay = cal.get(Calendar.DAY_OF_MONTH); //開始工作時間的年月日 cal.setTime(workTime); int workYear = cal.get(Calendar.YEAR); int workMonth = cal.get(Calendar.MONTH); int workDay = cal.get(Calendar.DAY_OF_MONTH); //得到工齡 year = nowYear - workYear; //得到年差 //若目前月數少於開始工作時間的月數,年差-1 if (nowMonth < workMonth){ year = year - 1; }else if (nowMonth == workMonth){ //當月數相等時,判斷日數,若當月的日數小於開始工作時間的日數,年差-1 if (nowDay < workDay){ year = year - 1; } } return year; }