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WorkTimeCalculator.java
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import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.format.DateTimeFormatter;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
public class WorkTimeCalculator {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
// System.out.println("请输入开始工作的年份");
// int startYear = sc.nextInt();
// System.out.println("请输入开始工作的月份");
// int startMonth = sc.nextInt();
// System.out.println("请输入开始工作的日");
// int startDay = sc.nextInt();
// System.out.println("请输入开始工作当天的起始时间（24小时制，如0830表示8点30分）");
// int startTimeInput = sc.nextInt();
// int startTimeHour = startTimeInput / 100;
// int startTimeMinute = startTimeInput % 100;
// LocalTime startTime = LocalTime.of(startTimeHour, startTimeMinute);
// System.out.println("请输入每次工作的时长（分钟）");
// int workTime = sc.nextInt();
// System.out.println("请输入工作的休息间隔（分钟）");
// int intervalTime = sc.nextInt();
int startYear = 2025;
int startMonth = 1;
int startDay = 1;
LocalTime startTime = LocalTime.of(4, 0);
int workTime = 120;
int intervalTime = 480;
System.out.println("请输入月份和日期");
int selectYear = 2025;
int selectMonth = sc.nextInt();
int selectDay = sc.nextInt();
sc.close();
LocalDate startDate = LocalDate.of(startYear, startMonth, startDay);
LocalDateTime startDateTime = LocalDateTime.of(startDate, startTime);
LocalDate selectDate = LocalDate.of(selectYear, selectMonth, selectDay);
LocalDateTime selectDateTime = LocalDateTime.of(selectDate, LocalTime.MIDNIGHT);
List<String> workPeriods = calculateWorkPeriods(startDateTime, workTime, intervalTime, selectDateTime);
for (String period : workPeriods) {
System.out.println(period);
}
}
public static List<String> calculateWorkPeriods(LocalDateTime startDateTime, int workTimeMinutes, int intervalTimeMinutes, LocalDateTime selectDateTime) {
List<String> periods = new ArrayList<>();
LocalDateTime currentTime = startDateTime;
DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm");
while (!currentTime.isAfter(selectDateTime.withHour(23).withMinute(59).withSecond(59).withNano(999999999))) {
LocalDateTime endTime = currentTime.plusMinutes(workTimeMinutes);
if (endTime.isAfter(selectDateTime.withHour(23).withMinute(59).withSecond(59).withNano(999999999))) {
// 工作时间跨天，只计算到当天的23:59:59
endTime = selectDateTime.withHour(23).withMinute(59).withSecond(59).withNano(999999999);
}
String period = currentTime.format(formatter) + " 到 " + endTime.format(formatter);
if (!endTime.isBefore(selectDateTime)) {
periods.add(period);
}
currentTime = endTime.plusMinutes(intervalTimeMinutes);
}
return periods;
}
}