MrShi
2025-01-06 e1ec365640eefdcb06abb1d73da0d80367f79be3
server/system_service/src/main/java/com/doumee/core/utils/DateCompare.java
@@ -39,16 +39,20 @@
     *                                以年为单位相差为:6年
     *                                以月为单位相差为:73个月
     *                                以日为单位相差为:2220天
     * @param fromDate
     * @param toDate
     * @param toDateOrigin
     * @return
     */
    public static DateCompare dayCompare(Date fromDate,Date toDate,Date freeStart,Date freeEnd){
    public static DateCompare dayCompare(Date fromDateOrigin,Date toDateOrigin,Date freeStart,Date freeEnd){
        //开始时间往后延伸,除去有效时期
        fromDate = DateUtil.addDaysToDate(fromDate,getIntersectingDays(fromDate,toDate,freeStart,freeEnd));
        if(toDate.getTime()<= fromDate.getTime()){
        Date fromDate = DateUtil.addDaysToDate(fromDateOrigin,getIntersectingDays(fromDateOrigin,DateUtil.addDaysToDate(toDateOrigin,1),
                freeStart,
                Objects.isNull(freeEnd)?null:DateUtil.addDaysToDate(freeEnd,1))
        );
        if(toDateOrigin.getTime()<  fromDate.getTime()){
            return DateCompare.builder().day(0).month(0).year(0).yearFloat(new BigDecimal(0)).monthFloat(new BigDecimal(0)).build();
        }
        Date toDate =DateUtil.addDaysToDate(toDateOrigin, 1);
//        toDate = DateUtil.addDaysToDate(toDate,1);//包含截止日期
        Calendar  from  =  Calendar.getInstance();
        from.setTime(fromDate);
        Calendar  to  =  Calendar.getInstance();
@@ -62,31 +66,45 @@
        int year = toYear  -  fromYear;
        int month = toYear *  12  + toMonth  -  (fromYear  *  12  +  fromMonth);
        int day = (int) ((to.getTimeInMillis()  -  from.getTimeInMillis())  /  (24  *  3600  *  1000));
        int day = DateUtil.daysBetweenDates( toDate,fromDate);
        BigDecimal yearFloat = new BigDecimal(year) ;
        BigDecimal monthFloat = new BigDecimal(month) ;
        int yearDays = day - DateUtil.daysBetweenDates(DateUtil.addYearToDate(fromDate,year),fromDate) ;
        int yearDays = day - (DateUtil.daysBetweenDates(DateUtil.addYearToDate(fromDate,year),fromDate));
        if(yearDays!=0){
            yearFloat = yearFloat.add(new BigDecimal(yearDays).divide(new BigDecimal(365), 2,RoundingMode.FLOOR));
            if(yearDays <0){
                year = year-1;
                yearFloat = new BigDecimal(year) ;
                yearDays =DateUtil.daysBetweenDates(toDate,DateUtil.addYearToDate(fromDate,year));
            }
            yearFloat = yearFloat.add(new BigDecimal(1.0*yearDays).divide(new BigDecimal(365.0), 15,RoundingMode.HALF_UP));
        }
        int monthDays = day - DateUtil.daysBetweenDates(DateUtil.addMonthToDate(fromDate,month),fromDate) ;
        int monthDays = day - (DateUtil.daysBetweenDates(DateUtil.addMonthToDate(fromDate,month),fromDate)) ;
        if(monthDays!=0){
            monthFloat = monthFloat.add(new BigDecimal(monthDays).divide(new BigDecimal(30), 2,RoundingMode.FLOOR));
            if(monthDays <0){
                month = month-1;
                monthFloat = new BigDecimal(month) ;
                monthDays =DateUtil.daysBetweenDates(toDate,DateUtil.addMonthToDate(fromDate,month));
            }
            monthFloat = monthFloat.add(new BigDecimal(1.0*monthDays*12).divide(new BigDecimal(365.0), 15,RoundingMode.HALF_UP));
        }
        return DateCompare.builder().day(day).month(month).year(year).yearFloat(yearFloat).monthFloat(monthFloat).yearDays(yearDays).monthDays(monthDays).build();
    }
    public static void main(String[] args) {
        DateCompare dateCompare =   DateCompare.dayCompare(DateUtil.getDateFromString("2024-12-01 00:00:00"),DateUtil.getDateByString("2025-03-01 00:00:00")
                ,DateUtil.getDateFromString("2024-12-01 00:00:00"),DateUtil.getDateFromString("2024-12-03 00:00:00"));
        DateCompare dateCompare =   DateCompare.monthYearCompare(DateUtil.getDateFromString("2025-06-03 00:00:00"),DateUtil.getDateByString("2025-09-02 00:00:00") );
        System.out.println(dateCompare.day);
        System.out.println(dateCompare.monthDays);
        System.out.println(dateCompare.month);
        System.out.println(dateCompare.monthFloat);
        System.out.println(dateCompare.yearFloat);
        System.out.println(dateCompare.yearFloat);
        System.out.println("=========year=============");
        System.out.println(dateCompare.yearDays);
        System.out.println(dateCompare.year);
        System.out.println(dateCompare.yearFloat);
    }
    public static DateCompare monthYearCompare(Date fromDate,Date toDate ){
    public static DateCompare monthYearCompare(Date fromDate,Date toDateOrigin ){
        //开始时间往后延伸,除去有效时期
        Date toDate =DateUtil.addDaysToDate(toDateOrigin, 1);
        Calendar  from  =  Calendar.getInstance();
        from.setTime(fromDate);
        Calendar  to  =  Calendar.getInstance();
@@ -104,22 +122,35 @@
        BigDecimal yearFloat = new BigDecimal(year) ;
        BigDecimal monthFloat = new BigDecimal(month) ;
        int yearDays = day - DateUtil.daysBetweenDates(DateUtil.addYearToDate(fromDate,year),fromDate) ;
        int yearDays = day - (DateUtil.daysBetweenDates(DateUtil.addYearToDate(fromDate,year),fromDate));
        if(yearDays!=0){
            yearFloat = yearFloat.add(new BigDecimal(yearDays).divide(new BigDecimal(365), 2,RoundingMode.FLOOR));
            if(yearDays <0){
                year = year-1;
                yearFloat = new BigDecimal(year) ;
                yearDays =DateUtil.daysBetweenDates(toDate,DateUtil.addYearToDate(fromDate,year));
            }
            yearFloat = yearFloat.add(new BigDecimal(1.0*yearDays).divide(new BigDecimal(365.0), 15,RoundingMode.HALF_UP));
        }
        int monthDays = day - DateUtil.daysBetweenDates(DateUtil.addMonthToDate(fromDate,month),fromDate) ;
        int monthDays = day - (DateUtil.daysBetweenDates(DateUtil.addMonthToDate(fromDate,month),fromDate)) ;
        if(monthDays!=0){
            monthFloat = monthFloat.add(new BigDecimal(monthDays).divide(new BigDecimal(30), 2,RoundingMode.FLOOR));
            if(monthDays <0){
                month = month-1;
                monthFloat = new BigDecimal(month) ;
                monthDays =DateUtil.daysBetweenDates(toDate,DateUtil.addMonthToDate(fromDate,month));
            }
            monthFloat = monthFloat.add(new BigDecimal(1.0*monthDays*12).divide(new BigDecimal(365.0), 15,RoundingMode.HALF_UP));
        }
        return DateCompare.builder().day(day).month(month).year(year).yearFloat(yearFloat).monthFloat(monthFloat).yearDays(yearDays).monthDays(monthDays).build();
    }
    public static int getIntersectingDays(Date start1, Date end1, Date start2, Date end2) {
        if(Objects.isNull(start2)||Objects.isNull(end2)){
            return 0;
        }
        Date earlierStart = DateUtil.daysBetweenDates(start1,start2)>0? start1 : start2;
        Date laterEnd =  DateUtil.daysBetweenDates(end2,end1)>0 ? end1 : end2;
        int days =DateUtil.daysBetweenDates(laterEnd,earlierStart );
        int days =DateUtil.daysBetweenDates(laterEnd,earlierStart);
        return days>0?days:0 ;
    }