优化算费bug

wuxw

2024-02-27 9b39254d11652e4197f007f7afa8ab42bedefb83

 java110-utils/src/main/java/com/java110/utils/util/DateUtil.java

@@ -407,15 +407,24 @@

    public static Date getNextMonthFirstDate(String curDate) {
        Date date = DateUtil.getDateFromStringB(curDate);
        return getNextMonthFirstDate(date);
    }

    public static Date getNextMonthFirstDate(Date curDate) {

        return getNextMonthFirstDate(curDate,1);
    }

    public static Date getNextMonthFirstDate(Date curDate,int monthCount) {

        Calendar curDateCal = Calendar.getInstance();
        curDateCal.setTime(date);
        Calendar calendar = Calendar.getInstance();
        calendar.set(Calendar.DAY_OF_MONTH, 1);
        calendar.set(Calendar.HOUR_OF_DAY, 0);
        calendar.set(Calendar.MINUTE, 0);
        calendar.set(Calendar.SECOND, 0);
        calendar.add(Calendar.MONTH, 1);
        return calendar.getTime();
        curDateCal.setTime(curDate);
        curDateCal.set(Calendar.DAY_OF_MONTH, 1);
        curDateCal.set(Calendar.HOUR_OF_DAY, 0);
        curDateCal.set(Calendar.MINUTE, 0);
        curDateCal.set(Calendar.SECOND, 0);
        curDateCal.add(Calendar.MONTH, monthCount);
        return curDateCal.getTime();
    }

    public static Date getFirstDate() {
@@ -808,16 +817,71 @@
        return calendar.getTime();
    }

    public static boolean sameMonthDay(Date startDate,Date endDate){
    public static boolean sameMonthDay(Date startDate, Date endDate) {
        Calendar startCalendar = Calendar.getInstance();
        startCalendar.setTime(startDate);
        Calendar endCalender = Calendar.getInstance();
        endCalender.setTime(endDate);
        if(startCalendar.get(Calendar.DAY_OF_MONTH) == endCalender.get(Calendar.DAY_OF_MONTH)){
        if (startCalendar.get(Calendar.DAY_OF_MONTH) == endCalender.get(Calendar.DAY_OF_MONTH)) {
            return true;
        }

        return false;
    }

    public static double dayCompare(Date fromDate, Date toDate) {
        double resMonth = 0.0;
        Calendar from = Calendar.getInstance();
        from.setTime(fromDate);
        Calendar to = Calendar.getInstance();
        to.setTime(toDate);
        //比较月份差 可能有整数 也会负数
        int result = to.get(Calendar.MONTH) - from.get(Calendar.MONTH);
        //比较年差
        int month = (to.get(Calendar.YEAR) - from.get(Calendar.YEAR)) * 12;

        //真实 相差月份
        result = result + month;

        //开始时间  2021-06-01  2021-08-05   result = 2    2021-08-01
        Calendar newFrom = Calendar.getInstance();
        newFrom.setTime(fromDate);
        newFrom.add(Calendar.MONTH, result);
        //如果加月份后 大于了当前时间 默认加 月份 -1 情况 12-19  21-01-10
        //这个是神的逻辑一定好好理解
        if (newFrom.getTime().getTime() > toDate.getTime()) {
            newFrom.setTime(fromDate);
            result = result - 1;
            newFrom.add(Calendar.MONTH, result);
        }

        // t1 2021-08-01   t2 2021-08-05
        long t1 = newFrom.getTime().getTime();
        long t2 = to.getTime().getTime();
        //相差毫秒
        double days = (t2 - t1) * 1.00 / (24 * 60 * 60 * 1000);
        BigDecimal tmpDays = new BigDecimal(days); //相差天数
        BigDecimal monthDay = null;
        Calendar newFromMaxDay = Calendar.getInstance();
        newFromMaxDay.set(newFrom.get(Calendar.YEAR), newFrom.get(Calendar.MONTH), 1, 0, 0, 0);
        newFromMaxDay.add(Calendar.MONTH, 1); //下个月1号
        //在当前月中 这块有问题
        if (toDate.getTime() < newFromMaxDay.getTime().getTime()) {
            monthDay = new BigDecimal(newFrom.getActualMaximum(Calendar.DAY_OF_MONTH));
            return tmpDays.divide(monthDay, 4, BigDecimal.ROUND_HALF_UP).add(new BigDecimal(result)).doubleValue();
        }
        // 上月天数
        days = (newFromMaxDay.getTimeInMillis() - t1) * 1.00 / (24 * 60 * 60 * 1000);
        tmpDays = new BigDecimal(days);
        monthDay = new BigDecimal(newFrom.getActualMaximum(Calendar.DAY_OF_MONTH));
        BigDecimal preRresMonth = tmpDays.divide(monthDay, 4, BigDecimal.ROUND_HALF_UP);

        //下月天数
        days = (t2 - newFromMaxDay.getTimeInMillis()) * 1.00 / (24 * 60 * 60 * 1000);
        tmpDays = new BigDecimal(days);
        monthDay = new BigDecimal(newFromMaxDay.getActualMaximum(Calendar.DAY_OF_MONTH));
        resMonth = tmpDays.divide(monthDay, 4, BigDecimal.ROUND_HALF_UP).add(new BigDecimal(result)).add(preRresMonth).doubleValue();
        return resMonth;
    }

    /**
@@ -829,64 +893,80 @@
     * @param toDate
     * @return
     */
    public static double dayCompare(Date fromDate, Date toDate) {
//    public static double dayCompare(Date fromDate, Date toDate) {
//
//
//        //todo 需要计算三端时间 相加即可
//        Date fromDateFirstDate = fromDate; // 第一个1日
//
//        Date toDateFirstDate = toDate; // 最后一个1日
//
//        boolean firstDay = true;
//
//        //todo 1.0 计算 fromDateFirstDate
//        Calendar fromDateCal = Calendar.getInstance();
//        fromDateCal.setTime(fromDate);
//        fromDateCal.set(Calendar.DAY_OF_MONTH, 1);
//        if (fromDate.getTime() > fromDateCal.getTime().getTime()) {
//            fromDateCal.add(Calendar.MONTH, 1);
//            firstDay = false;
//            fromDateFirstDate = fromDateCal.getTime();
//        }
//
//        //todo 2.0 计算 toDateFirstDate
//        Calendar toDateCal = Calendar.getInstance();
//        toDateCal.setTime(toDate);
//        toDateCal.set(Calendar.DAY_OF_MONTH, 1);
//        if (toDate.getTime() > toDateCal.getTime().getTime()) {
//            toDateFirstDate = toDateCal.getTime();
//        }
//
//        // todo 3.0 计算整数月  fromDateFirstDate --->  toDateFirstDate
//        Calendar from = Calendar.getInstance();
//        from.setTime(fromDateFirstDate);
//        Calendar to = Calendar.getInstance();
//        to.setTime(toDateFirstDate);
//        //比较月份差 可能有整数 也会负数
//        int result = to.get(Calendar.MONTH) - from.get(Calendar.MONTH);
//        //比较年差
//        int month = (to.get(Calendar.YEAR) - from.get(Calendar.YEAR)) * 12;
//        //真实 相差月份
//        result = result + month;
//
//        //todo 3.1  如果 fromDate 和toDate 是同一天 则直接返回整月，不再计算 4.0 和5.0
//        if (DateUtil.sameMonthDay(fromDate, toDate)) {
//            return firstDay ? result : result + 1;
//        }
//
//        // todo 4.0 计算 fromDate ---> fromDateFirstDate 的月份
//        double days = (fromDateFirstDate.getTime() - fromDate.getTime()) * 1.00 / (24 * 60 * 60 * 1000);
//        BigDecimal tmpDays = new BigDecimal(days); //相差天数
//        BigDecimal monthDay = new BigDecimal(DateUtil.getMonthDay(fromDate));
//        BigDecimal resMonth = tmpDays.divide(monthDay, 4, BigDecimal.ROUND_HALF_UP).add(new BigDecimal(result));
//
//        // todo 5.0 计算  toDateFirstDate ----> toDate 月份
//        days = (toDate.getTime() - toDateFirstDate.getTime()) * 1.00 / (24 * 60 * 60 * 1000);
//        tmpDays = new BigDecimal(days); //相差天数
//        monthDay = new BigDecimal(DateUtil.getMonthDay(toDate));
//        resMonth = tmpDays.divide(monthDay, 4, BigDecimal.ROUND_HALF_UP).add(resMonth);
//
//        return resMonth.doubleValue();
//
//    }

    public static Date getTargetEndTime(double month, Date startDate) {
        Calendar endDate = Calendar.getInstance();
        endDate.setTime(startDate);

        //todo 需要计算三端时间 相加即可
        Date fromDateFirstDate = fromDate; // 第一个1日

        Date toDateFirstDate = toDate; // 最后一个1日

        boolean firstDay = true;

        //todo 1.0 计算 fromDateFirstDate
        Calendar fromDateCal = Calendar.getInstance();
        fromDateCal.setTime(fromDate);
        fromDateCal.set(Calendar.DAY_OF_MONTH, 1);
        if (fromDate.getTime() > fromDateCal.getTime().getTime()) {
            fromDateCal.add(Calendar.MONTH, 1);
            firstDay = false;
            fromDateFirstDate = fromDateCal.getTime();
        Double intMonth = Math.floor(month);
        endDate.add(Calendar.MONTH, intMonth.intValue());
        double doubleMonth = month - intMonth;
        if (doubleMonth <= 0) {
            return endDate.getTime();
        }

        //todo 2.0 计算 toDateFirstDate
        Calendar toDateCal = Calendar.getInstance();
        toDateCal.setTime(toDate);
        toDateCal.set(Calendar.DAY_OF_MONTH, 1);
        if (toDate.getTime() > toDateCal.getTime().getTime()) {
            toDateFirstDate = toDateCal.getTime();
        }

        // todo 3.0 计算整数月  fromDateFirstDate --->  toDateFirstDate
        Calendar from = Calendar.getInstance();
        from.setTime(fromDateFirstDate);
        Calendar to = Calendar.getInstance();
        to.setTime(toDateFirstDate);
        //比较月份差 可能有整数 也会负数
        int result = to.get(Calendar.MONTH) - from.get(Calendar.MONTH);
        //比较年差
        int month = (to.get(Calendar.YEAR) - from.get(Calendar.YEAR)) * 12;
        //真实 相差月份
        result = result + month;

        //todo 3.1  如果 fromDate 和toDate 是同一天 则直接返回整月，不再计算 4.0 和5.0
        if (DateUtil.sameMonthDay(fromDate, toDate)) {
            return firstDay ? result : result + 1;
        }

        // todo 4.0 计算 fromDate ---> fromDateFirstDate 的月份
        double days = (fromDateFirstDate.getTime() - fromDate.getTime()) * 1.00 / (24 * 60 * 60 * 1000);
        BigDecimal tmpDays = new BigDecimal(days); //相差天数
        BigDecimal monthDay = new BigDecimal(DateUtil.getMonthDay(fromDate));
        BigDecimal resMonth = tmpDays.divide(monthDay, 4, BigDecimal.ROUND_HALF_UP).add(new BigDecimal(result));

        // todo 5.0 计算  toDateFirstDate ----> toDate 月份
        days = (toDate.getTime() - toDateFirstDate.getTime()) * 1.00 / (24 * 60 * 60 * 1000);
        tmpDays = new BigDecimal(days); //相差天数
        monthDay = new BigDecimal(DateUtil.getMonthDay(toDate));
        resMonth = tmpDays.divide(monthDay, 4, BigDecimal.ROUND_HALF_UP).add(resMonth);

        return resMonth.doubleValue();

        int futureDay = endDate.getActualMaximum(Calendar.DAY_OF_MONTH);
        Double hour = doubleMonth * futureDay * 24;
        endDate.add(Calendar.HOUR_OF_DAY, hour.intValue());
        return endDate.getTime();
    }
}