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工作日时间处理-工具类

林塬 2022-03-12 阅读 34

import lombok.Getter;
import lombok.Setter;

/**
 * @author yuechao
 * @date 2022/3/5
 */
@Getter
@Setter
public class Pair <L, R> {
    private L left;
    private R right;

    public Pair() {
    }

    public Pair(L l, R r) {
        this.left = l;
        this.right = r;
    }
}




import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.List;

/**
 * Created by
 *
 * @author yuechao
 */
public class WorkDateUtil {

    private static SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");

    public static void main(String[] args) {
        Date date = new Date();
        Pair<Integer, Date> workDate = getWorkDate(date, 4);
        Integer left = workDate.getLeft();
        Date right = workDate.getRight();

        com.shuidihuzhu.common.util.DateUtil.addDays(date, 10);
        System.out.println("--------");
    }

    /**
     * 获取指定日期的前一天
     *
     * @return
     */
    public static Date getBeforeDay(Date date) {
        Calendar c = Calendar.getInstance();
        c.setTime(date);
        int day = c.get(Calendar.DATE);
        c.set(Calendar.DATE, day - 1);
        Date time = c.getTime();
        return time;
    }

    /**
     * //获取下一个工作日
     *
     * @param date 日期
     * @param num  数量
     * @return
     */
    public static Pair<Integer, Date> getWorkDate(Date date, int num) {

        Pair<Integer, Date> integerDatePair = new Pair<>();
        Calendar calendar = new GregorianCalendar();
        calendar.setTime(date);
        calendar.add(Calendar.DATE, num);
        Date afterdate = calendar.getTime();

        String s = DateUtil.formatDateTimeYYYYMMDD(afterdate);
        boolean isweekend = isWeekend(afterdate);
        if (!isweekend) {
            integerDatePair.setLeft(num);
            integerDatePair.setRight(afterdate);
            return integerDatePair;
        }
        return getWorkDate(date, num + 1);
    }

    /**
     * 获取明天的日期
     *
     * @param date
     * @return
     */
    public static Date getTomorrow(Date date) {
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(date);
        calendar.add(Calendar.DAY_OF_MONTH, +1);
        date = calendar.getTime();
        return date;
    }

    /**
     * 判断是否是weekend
     *
     * @return
     * @throws ParseException
     */
    public static boolean isWeekend(Date date) {
        Calendar cal = Calendar.getInstance();
        cal.setTime(date);
        if (cal.get(Calendar.DAY_OF_WEEK) == Calendar.SATURDAY || cal.get(Calendar.DAY_OF_WEEK) == Calendar.SUNDAY) {
            return true;
        } else {
            return false;
        }

    }

    /**
     * 判断是否是holiday
     *
     * @param sdate
     * @param list
     * @return
     * @throws ParseException
     */
    public static boolean isHoliday(String sdate, List<String> list) throws ParseException {
        if (list.size() > 0) {
            for (int i = 0; i < list.size(); i++) {
                if (sdate.equals(list.get(i))) {
                    return true;
                }
            }
        }
        return false;
    }


}

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