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jiangping

2024-06-07 8a266df75e912cc4ff49bc504db5b6b26f152892

 server/service/src/main/java/com/doumee/core/utils/DateUtil.java

@@ -1,11 +1,16 @@
package com.doumee.core.utils;


import java.math.BigDecimal;
import java.math.RoundingMode;
import java.sql.Timestamp;
import java.text.DateFormat;
import java.text.DateFormatSymbols;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.time.LocalDate;
import java.time.Period;
import java.time.ZoneId;
import java.util.Calendar;
import java.util.Date;
import java.util.Enumeration;
@@ -1298,9 +1303,16 @@
        calo.setTime(oldDate);
        caln.setTime(newDate);
        if(type==0||type==1){
            return    calculateDaysBetweenDates(caln, calo) + 1;
            return    calculateDaysBetweenDates(caln, calo)  + 1 ;
        }else if(type==2){
            return    calculateMonthsBetweenDates(caln, calo) + 1;

            int day = caln.get(Calendar.DATE);
            if(day == 1){
                return    calculateMonthsBetweenDates(caln, calo) + 1;
            }else{
                return    calculateMonthsBetweenDates(caln, calo);
            }

        }else if(type==3){
            return    calculateYearsBetweenDates(caln, calo) + 1;
        }
@@ -2794,13 +2806,6 @@
        return sdfLongTimePlus.parse(sdfLongTimePlus.format(date));
    }

    public static void main(String[] args) {
        try {
            System.out.println(RandomStringUtils.randomNumeric(3));
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }

    /**
     *
@@ -2905,6 +2910,7 @@
        return nowDateString;
    }


    /**
     * @ author zhangyong @ 获取当月的第一天，2009-05-01
     */
@@ -2994,6 +3000,21 @@
        return calendar.getTime();
    }

    /**
     * 获取指定日期的下个月第一天
     * @param date
     * @return
     */
    public static Date getNextMonthFirst(Date date){
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(date);
        calendar.add(Calendar.MONTH, 1); // 将日历的月份增加1
        calendar.set(Calendar.DAY_OF_MONTH, 1); // 设置为下个月的第一天
        return calendar.getTime();
    }




    public static String afterDateToStr(Integer days){
        Date date = new Date();
@@ -3056,4 +3077,177 @@
        cal.add(Calendar.MINUTE,minutes);
        return cal.getTime();
    }


    /**
     * 计算多少自然年/月/日后的日期
     * @param startDate 开始日期
     * @param type  0=日；1=月；2=年；
     * @param cycle 周期  X月
     * @return
     */
    public static Date afterDateByType(Date startDate,Integer type,Integer cycle){
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(startDate);
        if(type==0){
            calendar.add(Calendar.DATE, cycle);
        }else if(type==1){
            calendar.add(Calendar.MONTH, cycle);
        }else if(type == 2) {
            calendar.add(Calendar.YEAR, cycle);
        }
        return calendar.getTime();
    }



    public static Integer monthDays(Date date){
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(date);
        // 获取当前年份、月份（注意月份从0开始计算）
        int year = calendar.get(Calendar.YEAR);
        int month = calendar.get(Calendar.MONTH) + 1;
        // 根据年份和月份判断闰年情况
        boolean isLeapYear = (year % 4 == 0 && year % 100 != 0) || (year % 400 == 0);

        // 根据不同月份设定每个月的天数
        switch (month) {
            case 2:
                if (isLeapYear) {
                    return 29;
                } else {
                    return 28;
                }
            case 4:
            case 6:
            case 9:
            case 11:
                 return 30;
            default:
                 return 31;
        }
    }


    /**
     * 拼接日期数据
     * @param date
     * @param optType   1:每日开始 2：每日结束 3:昨日结束
     * @return
     */
    public static Date getMontageDate(Date date ,Integer optType) {
        String strShortDate = DateUtil.dateToString(date,"yyyy-MM-dd");
        if(optType.equals(1)){
            return DateUtil.StringToDate(strShortDate +" 00:00:00");
        }else if(optType.equals(2)){
            return DateUtil.StringToDate(strShortDate +" 23:59:59");
        }else if(optType.equals(3)){
            strShortDate = DateUtil.dateToString(DateUtil.getDateBetween(date,-1),"yyyy-MM-dd");
            return DateUtil.StringToDate(strShortDate +" 23:59:59");
        }else{
            return null;
        }
    }


    public static void main(String[] args) {
//       System.out.println(DateUtil.DateToStr(DateUtil.afterDateByType(
//               DateUtil.stringToDate("2024-02-01","yyyy-MM-dd")
//               ,1,1),"yyyy-MM-dd HH:mm:ss"));

//        System.out.println( DateUtil.daysBetweenDates(DateUtil.stringToDate("2024-02-29","yyyy-MM-dd"),
//                DateUtil.stringToDate("2024-02-01","yyyy-MM-dd"))
//        );
//
//        System.out.println(DateUtil.calculateBetween(DateUtil.StringToDate("2024-02-29 23:59:59"),DateUtil.StringToDate("2024-02-01 00:00:00"),0));


//        System.out.println(
//                DateUtil.DateToStr(
//
//                DateUtil.getMontageDate(DateUtil.StringToDate("2024-02-29 21:59:59"),1) ,"yyyy-MM-dd HH:mm:ss"
//                )
//        );
//
//
//
//        System.out.println(
//
//                DateUtil.DateToStr(
//
//                        DateUtil.getMontageDate(DateUtil.StringToDate("2024-02-29 21:59:59"),2) ,"yyyy-MM-dd HH:mm:ss"
//                )
//
//        );
//
//        System.out.println(
//
//                DateUtil.DateToStr(
//
//                        DateUtil.getMontageDate(DateUtil.StringToDate("2024-02-29 21:59:59"),3) ,"yyyy-MM-dd HH:mm:ss"
//                )

//        );

//        System.out.println(
//                new BigDecimal(16).divide(new BigDecimal(15.5),0, RoundingMode.CEILING)
//        );
        LocalDate startDate = DateUtil.StringToDate("2021-02-28 23:59:59").toInstant()
                .atZone(ZoneId.systemDefault())
                .toLocalDate();
        LocalDate endDate = DateUtil.StringToDate("2022-04-05 23:59:59").toInstant()
                .atZone(ZoneId.systemDefault())
                .toLocalDate();
//        LocalDate startDate= LocalDate.of(2021,2,28);
//        LocalDate endDate =LocalDate.of(2022,4,5);
        Period period = Period.between(startDate,endDate);
        int months = period.getYears()* 12 + period.getMonths();
        System.out.println("Months between the two dates: " + months);


/*        Calendar calo = Calendar.getInstance();
        Calendar caln = Calendar.getInstance(); // ,"yyyy-MM-dd HH:mm:ss"
        caln.setTime(DateUtil.StringToDate("2024-03-06 23:59:59"));
        calo.setTime(DateUtil.StringToDate("2024-02-05 00:00:00"));
        System.out.println( DateUtil.calculateMonthsBetweenDates(calo,caln));*/

//        System.out.println(
//                DateUtil.DateToStr(
//                        DateUtil.getNextMonthFirst(new Date())
//                        ,"yyyy-MM-dd HH:mm:ss")
//
//        );
//        System.out.println(
//                DateUtil.DateToStr(
//                        DateUtil.getNextMonthFirst(
//                                DateUtil.StringToDate("2024-12-29 21:59:59")
//                        )
//                        ,"yyyy-MM-dd HH:mm:ss")
//
//        );

    }

    /**
     * 获取相差的月数
     * @param sDate
     * @param eDate
     * @return
     */
    public static Integer getDifferenceMonths(Date sDate ,Date eDate) {
        LocalDate startDate = sDate.toInstant()
                .atZone(ZoneId.systemDefault())
                .toLocalDate();
        LocalDate endDate = eDate.toInstant()
                .atZone(ZoneId.systemDefault())
                .toLocalDate();
//        LocalDate startDate= LocalDate.of(2021,2,28);
//        LocalDate endDate =LocalDate.of(2022,4,5);
        Period period = Period.between(endDate,startDate);
        int months = period.getYears()* 12 + period.getMonths();
        return months + 1;
    }



}