java如何獲取某年內(nèi)工作日、休息日、節(jié)假日，返回json

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package com.finesdk.util;

import com.alibaba.fastjson.JSON;

import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.List;

public class WorkDayUtil {
    public static class Day{
        private String dayStr;
        //類型 0代表上班 1周末休息 2節(jié)假日
        private Integer type;

        public String getDayStr() {
            return dayStr;
        }

        public void setDayStr(String dayStr) {
            this.dayStr = dayStr;
        }

        public Integer getType() {
            return type;
        }

        public void setType(Integer type) {
            this.type = type;
        }
    }

    /**
     * 獲取某年內(nèi)工作日、休息日、節(jié)假日
     *
     * @param year
     * @return
     */
    private static List<Day> getDates(int year, List<String> holiday, List<String> makeWork) {
        List<Day> dates = new ArrayList<Day>();
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");

        for (int i = 1; i <= 12; i++){
            Calendar cal = Calendar.getInstance();
            cal.set(Calendar.YEAR, year);
            cal.set(Calendar.MONTH, i - 1);
            cal.set(Calendar.DATE, 1);
            while (cal.get(Calendar.YEAR) == year && cal.get(Calendar.MONTH) < i) {
                int day = cal.get(Calendar.DAY_OF_WEEK);

                if ((day == Calendar.SUNDAY || day == Calendar.SATURDAY)) {
                    Date work = (Date) cal.getTime().clone();
                    Day day1 = new Day();
                    day1.setDayStr(sdf.format(work));
                    day1.setType(1);    //休息日
                    for (String hstr:holiday) {
                        if(hstr.equals(sdf.format(work))){
                            day1.setType(2);    //節(jié)假日
                        }
                    }
                    for (String wStr:makeWork) {
                        if(wStr.equals(sdf.format(work))){
                            day1.setType(0);    //補(bǔ)班
                        }
                    }

                    dates.add(day1);
                }else{
                    Date  work = (Date) cal.getTime().clone();
                    Day day1 = new Day();
                    day1.setDayStr(sdf.format(work));
                    day1.setType(0);
                    for (String hstr:holiday) {
                        if(hstr.equals(sdf.format(work))){
                            day1.setType(2);
                        }
                    }
                    dates.add(day1);
                }
                cal.add(Calendar.DATE, 1);
            }
        }

        return dates;

    }

    public static void main(String[] args) {
        //節(jié)假日
        List<String> holiday = new ArrayList<>();
        //補(bǔ)班
        List<String> makeWork = new ArrayList<>();

        //元旦
        holiday.add("2020-01-01");
        //春節(jié)
        makeWork.add("2020-01-19");
        holiday.add("2020-01-24");
        holiday.add("2020-01-25");
        holiday.add("2020-01-26");
        holiday.add("2020-01-27");
        holiday.add("2020-01-28");
        holiday.add("2020-01-29");
        holiday.add("2020-01-30");
        holiday.add("2020-01-31");
        holiday.add("2020-02-01");
        holiday.add("2020-02-02");

        //清明
        holiday.add("2020-04-04");
        holiday.add("2020-04-05");
        holiday.add("2020-04-06");

        //五一
        makeWork.add("2020-04-26");
        holiday.add("2020-05-01");
        holiday.add("2020-05-02");
        holiday.add("2020-05-03");
        holiday.add("2020-05-04");
        holiday.add("2020-05-05");
        makeWork.add("2020-05-09");
        //端午節(jié)
        holiday.add("2020-06-25");
        holiday.add("2020-06-26");
        holiday.add("2020-06-27");
        makeWork.add("2020-06-28");
        //十一
        makeWork.add("2020-09-27");
        holiday.add("2020-10-01");
        holiday.add("2020-10-02");
        holiday.add("2020-10-03");
        holiday.add("2020-10-04");
        holiday.add("2020-10-05");
        holiday.add("2020-10-06");
        holiday.add("2020-10-07");
        holiday.add("2020-10-08");
        makeWork.add("2020-10-10");

        //生成工作日、周末、節(jié)假日
        List<Day> dates = getDates(2020,holiday,makeWork);
        System.out.println(dates.size());
        String s = JSON.toJSONString(dates);
        System.out.println(s);

    }
}

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