k94314517
2024-06-20 15ef66d5eb25490cb4684c32598ca25f54cd9c4b
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;
@@ -3145,69 +3150,30 @@
    }
    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"
//                )
//        );
//
//        Calendar calo = Calendar.getInstance();
//        Calendar caln = Calendar.getInstance(); // ,"yyyy-MM-dd HH:mm:ss"
//        caln.setTime(DateUtil.StringToDate("2024-02-29 23:59:59"));
//        calo.setTime(DateUtil.StringToDate("2024-02-01 00:00:00"));
//        System.out.println( DateUtil.calculateDaysBetweenDates(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")
        );
    public static void main(String[] args) throws Exception{
        System.out.println(DateUtil.getPlusTime(new Date()));;
    }
    /**
     * 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;
    }
}