LocalDateTime节日和平日在时间占比计算方法

LocalDateTime节日和平日在时间占比计算方法

需求背景：
假设 2025-4-4 ~ 2025-4-6 是节假日
计算某个时间段在节假日中的占比，保留小数点后4位

LocalDate now = LocalDate.of(2025,05,22);LocalDate ld = now.minusDays(18);System.out.println("ld="+ ld);          //ld=2025-05-04
LocalDate now2 = LocalDate.of(2025,07,03);LocalDate ld2 = now2.minusDays(30);System.out.println("ld2="+ ld2);    //ld2=2025-06-03
LocalDate ll = LocalDate.of(2025,06,03);LocalTime tt = LocalTime.of(11,56,55);LocalDateTime ldt = ll.atTime(tt);

基础版本

package com.example.core.mydemo.java3.jsonDemo;import java.text.DecimalFormat;
import java.time.LocalDateTime;
import java.time.temporal.ChronoUnit;public class HolidayTimeCalculator {public static void main(String[] args) {// 定义节假日时间范围 - 清明节LocalDateTime holidayStart = LocalDateTime.of(2025, 4, 4, 0, 0);LocalDateTime holidayEnd = LocalDateTime.of(2025, 4, 6, 23, 59, 59);// 需要计算的时间点LocalDateTime time1 = LocalDateTime.of(2025, 4, 6, 21, 30);LocalDateTime time2 = LocalDateTime.of(2025, 4, 7, 21, 30);// 计算平日时间占比(假设平日为24小时)long totalWeekdaySeconds = 24 * 60 * 60;// 设置4位小数格式DecimalFormat df = new DecimalFormat("0.0000");// 计算时间点在节假日中的占比if (time1.isAfter(holidayStart) && time1.isBefore(holidayEnd)) {long holidaySeconds = ChronoUnit.SECONDS.between(time1,holidayEnd);double holidayRatio = (double) holidaySeconds / totalWeekdaySeconds;System.out.printf("2025-04-06 21:30:00占节假日时间的" + df.format(holidayRatio) + "\n");}long weekdaySeconds = time2.getHour() * 3600 + time2.getMinute() * 60;double weekdayRatio = (double) weekdaySeconds / totalWeekdaySeconds;System.out.printf("2025-04-07 21:30:00占平日时间的"+ df.format(weekdayRatio));}
}

升级版本

package com.example.core.mydemo.java3.jsonDemo;import java.math.BigDecimal;
import java.text.DecimalFormat;
import java.time.LocalDateTime;
import java.time.temporal.ChronoUnit;public class HolidayTimeCalculator2 {public static void main(String[] args) {//        BigDecimal bigDecimal = new BigDecimal("200.1234");
//        System.out.println(bigDecimal.toString());   //200.1234// 需要计算的时间点LocalDateTime time1 = LocalDateTime.of(2025, 4, 3, 21, 30);LocalDateTime time2 = LocalDateTime.of(2025, 4, 4, 21, 30);// 定义节假日时间范围
//        LocalDateTime holidayStart = LocalDateTime.of(2025, 4, 4, 0, 0);
//        LocalDateTime holidayEnd = LocalDateTime.of(2025, 4, 6, 23, 59, 59);
LocalDateTime holidayStart = null;LocalDateTime holidayEnd = null;extracted(time1, time2, holidayStart, holidayEnd);}private static void extracted(LocalDateTime time1, LocalDateTime time2, LocalDateTime holidayStart, LocalDateTime holidayEnd) {// 计算平日时间占比(假设平日为24小时)long totalWeekdaySeconds = 24 * 60 * 60;// 设置4位小数格式DecimalFormat df = new DecimalFormat("0.0000");BigDecimal holiday = new BigDecimal(0);BigDecimal common = new BigDecimal(0);//判断是否包含节假日//全部节假日//开始节假期，结束平日//开始平日，结束是节假日//全部是平日if(holidayStart != null && (time1.isAfter(holidayStart) || time1.isEqual(holidayStart))  && (time2.isBefore(holidayEnd) || time2.isEqual(holidayEnd))){long holidaySeconds = ChronoUnit.SECONDS.between(time1, time2);double holidayRatio = (double) holidaySeconds / totalWeekdaySeconds;BigDecimal add = new BigDecimal(df.format(holidayRatio));holiday = holiday.add(add);}else if(holidayStart != null && (time1.isAfter(holidayStart) || time1.isEqual(holidayStart))  && (time1.isBefore(holidayEnd) || time1.isEqual(holidayEnd))){long holidaySeconds = ChronoUnit.SECONDS.between(time1, holidayEnd);double holidayRatio = (double) holidaySeconds / totalWeekdaySeconds;BigDecimal add = new BigDecimal(df.format(holidayRatio));holiday = holiday.add(add);long weekdaySeconds = ChronoUnit.SECONDS.between(holidayEnd, time2);double weekdayRatio = (double) weekdaySeconds / totalWeekdaySeconds;BigDecimal add2 = new BigDecimal(df.format(weekdayRatio));common = common.add(add2);}else if(holidayStart != null && (time2.isAfter(holidayStart) || time2.isEqual(holidayStart))  && (time2.isBefore(holidayEnd) || time2.isEqual(holidayEnd))){long holidaySeconds = ChronoUnit.SECONDS.between(holidayStart, time2);double holidayRatio = (double) holidaySeconds / totalWeekdaySeconds;BigDecimal add = new BigDecimal(df.format(holidayRatio));holiday = holiday.add(add);long weekdaySeconds = ChronoUnit.SECONDS.between(time1, holidayStart);double weekdayRatio = (double) weekdaySeconds / totalWeekdaySeconds;BigDecimal add2 = new BigDecimal(df.format(weekdayRatio));common = common.add(add2);}else if(holidayStart == null || time2.isBefore(holidayStart) || time1.isAfter(holidayEnd)){//不含节假日的参数，则默认都是平日long weekdaySeconds = ChronoUnit.SECONDS.between(time1, time2);double weekdayRatio = (double) weekdaySeconds / totalWeekdaySeconds;BigDecimal add = new BigDecimal(df.format(weekdayRatio));common = common.add(add);}System.out.println("holiday=" + holiday);System.out.println("common=" + common);}
}