java实现工时计算,去除法定节假日,去除非工作时间和午休的时长

最近公司做了一个工作流业务系统,需要统计每个节点人员处理的工时,方便对人员进行责任判定

需求是这样的,需要扣除非工作时长,这里就包含的有点多,比如上班之前,上班之后,午休时间,周六周日,法定节假日等等,这里简单记录一下代码,有需要的有缘人可以借鉴

我的实现方式是获取传入的时间段之间有多少天,每天呢时长其实是固定的,在计算出不满一天的时长是多少最后进行归总,结果进行了保留一位小数,这里需要说明一点如果处理时长不满6分钟会出现0.0的情况,如果存在跨年份也会出现只去除当前年的节假日的现象,个人进行了测试吧能想到的一些问题都做了处理,目前还没有提到测试进行测试有问题可以联系我会修复

package com.ctsi.ssdc.util;

import com.google.gson.Gson;
import com.google.gson.reflect.TypeToken;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

import java.lang.reflect.Type;
import java.math.*;
import java.text.SimpleDateFormat;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.format.DateTimeFormatter;

import java.time.temporal.ChronoUnit;
import java.util.*;
import java.util.stream.Collectors;

/**
 * @author dong
 * @create 2024/8/23
 * @describe 工时计算
 */
public class WorkHoursUtils {

    static LocalTime restBeginsStart = LocalTime.of(11, 30);
    static LocalTime restBeginsStop = LocalTime.of(13, 30);

    static LocalTime goToWork = LocalTime.of(8, 30);
    static LocalTime goOffWork = LocalTime.of(17, 30);

    static DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");

    private static final SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
    
    static Map<String, List<String>> offDayMap;

    static {
        String year = getYear();
        offDayMap = new HashMap<>();
        offDayMap.put(year,getOffDay(year));
    }

    public static String getDuration(Object start, Object end) {

        LocalDateTime startDate = dateConversion(start);

        LocalDateTime endDate = dateConversion(end);

        LocalTime time = LocalTime.MIDNIGHT;

        List<LocalDateTime> list = generateDateRange(startDate.toLocalDate(), endDate.toLocalDate())
                .stream()
                .map(date -> LocalDateTime.of(date, time))
                .collect(Collectors.toList());
        BigDecimal result = BigDecimal.ZERO;
        long decimalDuration = 0;

        int germ = 1;
        int offset = list.size() - 1;
        int sum = 0;

        List<String> offDay = getOffDayList();

        if (list.size() == 1) {
            // 如果为节假日直接返回0不计算工时
            if (offDay.contains(startDate.toLocalDate().toString())) {
                return result.toString();
            }
            //说明是当天提交当天完成的任务
            decimalDuration = getIntraDayDuration(startDate.toLocalTime(), endDate.toLocalTime());
        } else {
            list.set(0, startDate);
            list.set(offset, endDate);

            //隔天完成的任务,计算时长
            if (!offDay.contains(list.get(0).toLocalDate().toString())) {
                decimalDuration += getIntraDayDuration(list.get(0).toLocalTime(), goOffWork);
            }
            if (!offDay.contains(list.get(offset).toLocalDate().toString())) {
                decimalDuration += getIntraDayDuration(goToWork, list.get(offset).toLocalTime());
            }
            for (int i = germ; i < offset; i++) {
                if (!offDay.contains(list.get(i).toLocalDate().toString())) {
                    sum += 1;
                }
            }
            decimalDuration += sum * getEveryDayWorkHours();
        }
        result = new BigDecimal(decimalDuration).divide(new BigDecimal(60), 1, RoundingMode.HALF_UP);
        return result.toString();
    }

    private static List<String> getOffDayList() {
        String year = getYear();
        List<String> offDay = offDayMap.get(year);

        if (offDay.isEmpty()) {
            offDayMap.put(year,getOffDay(year));
            offDay = offDayMap.get(year);
        }
        return offDay;
    }

    private static LocalDateTime dateConversion(Object date) {
        LocalDateTime startDate;
        if (date instanceof String){
            startDate = LocalDateTime.parse((String) date, formatter);
        } else if (date instanceof Date){
            startDate = LocalDateTime.parse(sdf.format(date), formatter);
        } else{
            startDate = (LocalDateTime) date;
        }
        return startDate;
    }

    private static long getEveryDayWorkHours() {
        return Math.abs(ChronoUnit.MINUTES.between(goToWork, goOffWork)) -
                Math.abs(ChronoUnit.MINUTES.between(restBeginsStart, restBeginsStop));
    }

    private static long getIntraDayDuration(LocalTime startTime, LocalTime stopTime) {
        long minutesBetween = 0;
        if (stopTime.isBefore(goToWork) || stopTime == goToWork || startTime.isAfter(goOffWork) || startTime == goOffWork) {
            return minutesBetween;
        }
        //提交和结束的时间相差分钟数

        minutesBetween = Math.abs(ChronoUnit.MINUTES.between(startTime, stopTime));
        if (stopTime.isBefore(restBeginsStart)) {
            return minutesBetween;
        }
        //如果在上班之前创建  减去上班之前到上班的时间分钟数
        if (startTime.isBefore(goToWork) || startTime == goToWork) {
            //在上午上班之前创建的工单,需要减去当前时间到8.30之间的分钟数
            minutesBetween -= Math.abs(ChronoUnit.MINUTES.between(startTime, goToWork));
        }

        //午休时间创建的,  减去午休时间到下午上班13.30的分钟数
        if ((startTime.isBefore(restBeginsStop) || startTime == restBeginsStop) && (startTime.isAfter(restBeginsStart) || startTime == restBeginsStop)) {
            minutesBetween -= Math.abs(ChronoUnit.MINUTES.between(startTime, restBeginsStart));
        }
        //午休时间完成的   间去11.30  - 》当前时间之间的分钟数
        if ((stopTime.isBefore(restBeginsStop) || stopTime == restBeginsStop) && (stopTime.isAfter(restBeginsStart) || startTime == restBeginsStart)) {
            minutesBetween -= Math.abs(ChronoUnit.MINUTES.between(restBeginsStart, stopTime));
        }
        //下班后完成的减去下班到结束时间之间的时间
        if (stopTime.isAfter(goOffWork) || stopTime == goOffWork) {
            minutesBetween -= Math.abs(ChronoUnit.MINUTES.between(goOffWork, stopTime));
        }

        //午休之前创建的午休之后完成的
        if (startTime.isBefore(restBeginsStart) && stopTime.isAfter(restBeginsStop)) {
            minutesBetween -= Math.abs(ChronoUnit.MINUTES.between(restBeginsStart, restBeginsStop));
        }
        return minutesBetween;
    }

    public static List<LocalDate> generateDateRange(LocalDate startDate, LocalDate endDate) {
        List<LocalDate> dateList = new ArrayList<>();
        while (!startDate.isAfter(endDate)) {
            dateList.add(startDate);
            startDate = startDate.plusDays(1);
        }
        return dateList;
    }

    public static void main(String[] args) {
        String duration = getDuration("2024-08-10 06:20:12", "2024-08-18 09:30:00");
        System.out.println("duration = " + duration);

    }

    public static String getYear(){
        // 获取当前日期
        return String.valueOf(LocalDate.now().getYear());
    }

    private static List<String> getOffDay(String year) {
        HashMap<String, List<String>> dayMap = getDayMap(year);
        List<String> goToDayList = dayMap.get("goToDayList");
        List<String> offDayList = dayMap.get("offDayList");
        Set<String> weekendsOffDay = getWeekendsOffDay(year);
        List<String> collect = weekendsOffDay.stream()
                .filter(item -> !goToDayList.contains(item))
                .collect(Collectors.toList());
        offDayList.addAll(collect);
        return offDayList;
    }

    private static HashMap<String, List<String>> getDayMap(String year) {
        //法定节假日
        String urlString = "https://api.jiejiariapi.com/v1/holidays/" + year;

        Map<String, Map<String, Object>> map = executeHttp(urlString);
        List<String> offDayList = new ArrayList<>();
        List<String> goToDayList = new ArrayList<>();
        for (String key : map.keySet()) {
            boolean isOffDay = (boolean) map.get(key).get("isOffDay");
            if (isOffDay) {
                offDayList.add(key);
            } else {
                goToDayList.add(key);
            }
        }
        HashMap<String, List<String>> hashMap = new HashMap<>();
        hashMap.put("offDayList", offDayList);
        hashMap.put("goToDayList", goToDayList);
        return hashMap;
    }

    private static Set<String> getWeekendsOffDay(String year) {
        String url = "https://api.jiejiariapi.com/v1/weekends/" + year;
        Map<String, Map<String, Object>> map = executeHttp(url);
        return map.keySet();
    }

    private static Map<String, Map<String, Object>> executeHttp(String url) {
        Map<String, Map<String, Object>> map = new HashMap<>();
        //周六周日
        try (CloseableHttpClient httpClient = HttpClients.createDefault()) {
            HttpGet request = new HttpGet(url);

            String responseBody = httpClient.execute(request, httpResponse ->
                    EntityUtils.toString(httpResponse.getEntity()));

            Gson gson = new Gson();
            Type type = new TypeToken<Map<String, Map<String, Object>>>() {}.getType();
            map = gson.fromJson(responseBody, type);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return map;
    }
}

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