java 日期 *** 作类

import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.sql.Time;
import java.sql.Timestamp;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.ZoneOffset;
import java.time.ZonedDateTime;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;



public class DateUtils {
    public final static String DATE_CHINESE_PATTERN = "yyyy年MM月dd日";

    public final static String DATE_MONTH_DAY_CHINESE_PATTERN = "MM月dd日";

    
    public final static String HOUR_MINUTE_CHINESE_PATTERN = "HH点mm分";

    
    public final static String DATE_PATTERN = "yyyy-MM-dd";

    public final static String DATE_YYYY_MM = "yyyy-MM";

    public final static String DATE_SHORT_PATTERN = "yyyyMMdd";

    public final static String DATE_SLASH_PATTERN = "yyyy/MM/dd";

    
    public final static String DATETIME_MILL_SECOND = "yyyy-MM-dd HH:mm:ss.SSS";

    
    public final static String DATETIME_PATTERN = "yyyy-MM-dd HH:mm:ss";

    
    public final static String DATETIME_PATTERN_SHORT = "yyyy-MM-dd HH:mm";

    
    public final static String DATETIME_PATTERN_CREAT_ORDER = "yyyy-MM-ddHH:mm";

    public final static String DATETIME_SHORT_PATTERN = "yyyyMMddHHmmss";

    public final static String DATETIME_MILLi_PATTERN = "yyyyMMddHHmmssSSS";


    
    public final static String HOUR_MINUTE = "HH:mm";

    
    public final static String HOUR_MINUTE_SECOND = "HH:mm:ss";

    public final static String DATE_POINT = "yyyy.MM.dd";

    private final static Logger logger = LoggerFactory.getLogger(DateUtils.class);

    
    public static final long MILLIS_PER_DAY = 24 * DateUtils.MILLIS_PER_HOUR;

    
    public static final long MILLIS_PER_HOUR = 60 * DateUtils.MILLIS_PER_MINUTE;

    
    public static final long MILLIS_PER_MINUTE = 60 * DateUtils.MILLIS_PER_SECOND;

    
    public static final long MILLIS_PER_SECOND = 1000;

    
    public static final int DAYS_PER_YEAR = 365;

    
    public final static String MONTH_PATTERN = "yyyy-MM";

    private final static String[] WEEK_NAMES = {"星期一", "星期二", "星期三", "星期四", "星期五", "星期六", "星期天"};

    
    public static Date addMonth(Date date, int months) {
        if (months == 0) {
            return date;
        }
        Calendar c = Calendar.getInstance();
        c.setTime(date);
        c.add(Calendar.MONTH, months);
        return c.getTime();
    }

    
    public static Date addDay(Date date, int days) {
        if (days == 0) {
            return date;
        }
        Calendar c = Calendar.getInstance();
        c.setTime(date);
        c.add(Calendar.DAY_OF_YEAR, days);
        return c.getTime();
    }

    
    public static Date getStartTime(Date date) {
        Calendar start = Calendar.getInstance();
        start.setTime(date);
        start.set(Calendar.HOUR_OF_DAY, 0);
        start.set(Calendar.MINUTE, 0);
        start.set(Calendar.SECOND, 0);
        start.set(Calendar.MILLISECOND, 0);
        return convertDate(start.getTime(), DATETIME_PATTERN);
    }

    
    public static Date getMiddleTime() {

        Date date = convertDate(new Date(), DateUtils.DATE_PATTERN);
        Calendar middle = Calendar.getInstance();
        middle.setTime(date);
        middle.set(Calendar.MONTH, 6);
        middle.set(Calendar.DAY_OF_MONTH, 1);
        middle.set(Calendar.HOUR_OF_DAY, 0);
        middle.set(Calendar.MINUTE, 0);
        middle.set(Calendar.SECOND, 0);
        middle.set(Calendar.MILLISECOND, 0);
        return convertDate(middle.getTime(), DATETIME_PATTERN);
    }

    
    public static Date getEndTime(Date date) {
        Calendar end = Calendar.getInstance();
        end.setTime(date);
        end.set(Calendar.HOUR_OF_DAY, 23);
        end.set(Calendar.MINUTE, 59);
        end.set(Calendar.SECOND, 59);
        end.set(Calendar.MILLISECOND, 999);
        return convertDate(end.getTime(), DATETIME_PATTERN);
    }

    
    public static String getStartTime(String startDate) {
        if(StringUtils.isBlank(startDate)){
            return null;
        }
        Date date = convertDate(startDate, DateUtils.DATE_PATTERN);
        Calendar start = Calendar.getInstance();
        start.setTime(date);
        start.set(Calendar.HOUR_OF_DAY, 0);
        start.set(Calendar.MINUTE, 0);
        start.set(Calendar.SECOND, 0);
        start.set(Calendar.MILLISECOND, 0);
        return formatDate(start.getTime());
    }
    
    public static String getMiddleDateTime() {

        Date date = convertDate(new Date(), DateUtils.DATE_PATTERN);
        Calendar middle = Calendar.getInstance();
        middle.setTime(date);
        middle.set(Calendar.MONTH, 6);
        middle.set(Calendar.DAY_OF_MONTH, 1);
        middle.set(Calendar.HOUR_OF_DAY, 0);
        middle.set(Calendar.MINUTE, 0);
        middle.set(Calendar.SECOND, 0);
        middle.set(Calendar.MILLISECOND, 0);
        return formatDate(middle.getTime());
    }

    
    public static String getEndTime(String endDate) {
        if (StringUtils.isBlank(endDate)) {
            return null;
        }
        Date date = convertDate(endDate, DateUtils.DATE_PATTERN);
        Calendar end = Calendar.getInstance();
        end.setTime(date);
        end.set(Calendar.HOUR_OF_DAY, 23);
        end.set(Calendar.MINUTE, 59);
        end.set(Calendar.SECOND, 59);
        end.set(Calendar.MILLISECOND, 999);
        return formatDate(end.getTime());
    }

    
    public static Date addDay(String date, int days) {
        return DateUtils.addDay(DateUtils.convertDate(date), days);
    }

    public static Date addMinute(Date date, int minute) {
        Calendar c = Calendar.getInstance();
        c.setTime(date);
        c.add(Calendar.MINUTE, minute);
        return c.getTime();
    }

    public static Date addHour(Date date, int hour) {
        Calendar c = Calendar.getInstance();
        c.setTime(date);
        c.add(Calendar.HOUR, hour);
        return c.getTime();
    }

    
    public static boolean afterToday(Object date) {
        Date currentDate = new Date();
        return DateUtils.compareDate(date, currentDate) == 1;
    }

    
    public static boolean afterTodayDate(Date date) {
        Date currentDate = new Date();
        return currentDate.compareTo(date) == -1;
    }

    
    public static boolean beforeToday(Object date) {
        Date currentDate = new Date();
        return DateUtils.compareDate(date, currentDate) == -1;
    }

    
    public static boolean beforeTodayDate(Date date) {
        Date currentDate = new Date();
        return currentDate.compareTo(date) == 1;
    }

    
    public static int compareDate(Object date1, Object date2) {
        if (date1 == null || date2 == null) {
            String msg = "illegal arguments,date1 and date2 must be not null.";
            throw new IllegalArgumentException(msg);
        }
        Date d1 = (Date) (date1 instanceof String ? DateUtils.convertDate((String) date1) : date1);
        Date d2 = (Date) (date2 instanceof String ? DateUtils.convertDate((String) date2) : date2);
        return DateUtils.round(d1, Calendar.DATE).compareTo(DateUtils.round(d2, Calendar.DATE));
    }

    public static Date convertDate(Date date, String pattern) {
        if (StringUtils.isBlank(pattern)) {
            String msg = "the date or pattern is empty.";
            throw new IllegalArgumentException(msg);
        }
        String dateForPattern = DateUtils.formatDate(date, pattern);
        return DateUtils.convertDate(dateForPattern, pattern);
    }

    
    public static Date convertDate(Long date) {
        return new Date(date);
    }

    
    public static Date convertDate(String date) {
        if (StringUtils.isBlank(date)) {
            return null;
        }
        if (StringUtils.isNumeric(date)) {
            long timestamp = Long.parseLong(date);
            if (timestamp > 0 && timestamp < Long.MAX_VALUE) {
                return new Date(timestamp);
            } else {
                return null;
            }
        }
        if (date.indexOf(':') > 0) {
            return DateUtils.convertDate(date, DateUtils.DATETIME_PATTERN);
        } else if (date.indexOf('.') > 0) {
            return DateUtils.convertDate(date, DateUtils.DATE_POINT);
        } else {
            return DateUtils.convertDate(date, DateUtils.DATE_PATTERN);
        }
    }

    
    public static Date convertDate(String date, String pattern) {
        try {
            if (StringUtils.isEmpty(pattern) || StringUtils.isEmpty(date)) {
                String msg = "the date or pattern is empty.";
                throw new IllegalArgumentException(msg);
            }
            SimpleDateFormat df = new SimpleDateFormat(pattern.trim());
            return df.parse(date.trim());
        } catch (Exception e) {
            DateUtils.logger.error("Method===DateUtils.convertDate error!", e);
            return null;
        }
    }

    
    public static Time convertTime(String time, String pattern) {
        if ("24:00:00".equals(time)) {
            time = "23:59:59";
        }
        Date d = DateUtils.convertDate(time, pattern);
        return new Time(d.getTime());
    }

    
    public static int diffDate(Date date1, Date date2) {
        return (int) ((date1.getTime() - date2.getTime()) / DateUtils.MILLIS_PER_DAY);
    }

    
    public static int diffMinute(Date date1, Date date2) {
        return (int) ((date1.getTime() - date2.getTime()) / DateUtils.MILLIS_PER_MINUTE);
    }

    
    public static String formatDate(Date date) {
        try {
            return DateUtils.formatDate(date, DateUtils.DATETIME_PATTERN);
        } catch (Exception e) {
            return null;
        }
    }

    
    public static String formatDate(Date date, String pattern) {
        SimpleDateFormat format = new SimpleDateFormat(pattern.trim());
        return format.format(date);
    }

    
    public static String formatDateTime(Date date) {
        try {
            return DateUtils.formatDate(date, DateUtils.DATETIME_PATTERN);
        } catch (Exception e) {
            logger.error("时间转换异常",e);
            return null;
        }
    }

    
    public static String formatDateToYMDHMS(Date date) {
        return DateUtils.formatDate(date, DateUtils.DATETIME_SHORT_PATTERN);
    }

    
    public static String formatMonth(Date date) {
        return DateUtils.formatDate(date, DateUtils.MONTH_PATTERN);
    }

    
    public static String formatNowToYMDHMS() {
        return DateUtils.formatDateToYMDHMS(new Date());
    }

    
    public static Timestamp getCurrentTimestamp() {
        return new Timestamp(new Date().getTime());
    }

    public static Date getDateFromShortString(String str) {
        SimpleDateFormat simpleDF = new SimpleDateFormat("yyyy-MM-dd");
        try {
            return simpleDF.parse(str);
        } catch (ParseException e) {
            DateUtils.logger.warn("parse date error", e);
        }
        return null;
    }

    
    public static Date getFirstDayOfThisWeek(Date date) {
        Calendar cal = Calendar.getInstance();
        cal.setTime(date);
        cal.setFirstDayOfWeek(Calendar.MONDAY);
        cal.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);
        return cal.getTime();
    }

    
    public static int getHourOfDay(Date date) {
        Calendar c = Calendar.getInstance();
        c.setTime(date);
        return c.get(Calendar.HOUR_OF_DAY);
    }

    public static Date getLastMonth() {
        Calendar c = Calendar.getInstance();
        int month = c.get(Calendar.MONTH);
        c.set(Calendar.MONTH, month - 1);
        return c.getTime();
    }

    
    public static int getMinute(Date date) {
        Calendar c = Calendar.getInstance();
        c.setTime(date);
        return c.get(Calendar.MINUTE);
    }

    
    public static Date getNextNDay(Date date, int n) {
        Calendar cal = Calendar.getInstance();
        cal.setTime(date);
        cal.add(Calendar.DATE, n);
        return cal.getTime();
    }

    
    public static int getWeekNumber(Date date) {
        Calendar c = Calendar.getInstance();
        c.setTime(date);
        int number = c.get(Calendar.DAY_OF_WEEK) - 1;
        if (number == 0) {
            number = 7;
        }
        return number;
    }

    
    public static String getWeekNumberString(Date date) {
        int dayNum = DateUtils.getWeekNumber(date);
        return DateUtils.WEEK_NAMES[dayNum - 1];
    }

    
    public static boolean isSameDay(Object date1, Object date2) {
        return DateUtils.compareDate(date1, date2) == 0;
    }

    
    public static boolean isValidDate(String date, String pattern) {
        try {
            DateUtils.convertDate(date, pattern);
            return true;
        } catch (Exception e) {
            DateUtils.logger.debug("Method===DateUtils.isValidDate error!", e);
            return false;
        }
    }

    
    public static Timestamp now() {
        return new Timestamp(new Date().getTime());
    }

    
    public static Long getStartOfDay(Long time) {
        Calendar calendar = Calendar.getInstance();
        calendar.setTimeInMillis(time);
        calendar.set(11, 0);
        calendar.set(12, 0);
        calendar.set(13, 0);
        calendar.set(14, 0);
        return calendar.getTimeInMillis();
    }

    public static Long getEndOfDay(Long time) {
        Calendar calendar = Calendar.getInstance();
        calendar.setTimeInMillis(time);
        calendar.set(11, 23);
        calendar.set(12, 59);
        calendar.set(13, 59);
        calendar.set(14, 59);
        return calendar.getTimeInMillis();
    }

    
    public static Date localDateTimeToDate(LocalDateTime localDateTime) {
        try {
            ZoneId zoneId = ZoneId.systemDefault();
            ZonedDateTime zdt = localDateTime.atZone(zoneId);
            return Date.from(zdt.toInstant());
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }

    
    public static String nowDateTime() {
        return DateUtils.formatDate(new Date(), DateUtils.DATETIME_PATTERN);
    }

    
    public static Date round(Date date, int roundType) {
        Calendar c = Calendar.getInstance();
        c.setTimeInMillis(date.getTime());
        switch (roundType) {
            case Calendar.MONTH:
                c.set(Calendar.DAY_OF_MONTH, 1);
            case Calendar.DATE:
                c.set(Calendar.HOUR_OF_DAY, 0);
            case Calendar.HOUR:
                c.set(Calendar.MINUTE, 0);
            case Calendar.MINUTE:
                c.set(Calendar.SECOND, 0);
            case Calendar.SECOND:
                c.set(Calendar.MILLISECOND, 0);
                return c.getTime();
            default:
                throw new IllegalArgumentException("invalid round roundType.");
        }
    }

    
    public static Date today() {
        return DateUtils.convertDate(DateUtils.formatDate(new Date()), DateUtils.DATE_PATTERN);
    }

    
    public static String todayDate() {
        return DateUtils.formatDate(new Date(), DateUtils.DATE_PATTERN);
    }

    
    public static Timestamp toTimestamp(String date, String pattern) {
        SimpleDateFormat format = new SimpleDateFormat(pattern.trim());
        try {
            return new Timestamp(format.parse(date).getTime());
        } catch (ParseException e) {
            return null;
        }
    }

    public static Date getFirstDateOfCurrentMonth(Date date) {
        Calendar cal = Calendar.getInstance();
        cal.setTime(date);
        cal.set(Calendar.DAY_OF_MONTH, 1);
        cal.set(Calendar.HOUR_OF_DAY, 0);
        cal.set(Calendar.MINUTE, 0);
        cal.set(Calendar.SECOND, 0);
        cal.set(Calendar.MILLISECOND, 0);
        return cal.getTime();
    }


    public static Date getFirstDateFromDate(Date date) {
        Calendar cal = Calendar.getInstance();
        cal.setTime(date);
        cal.set(Calendar.HOUR_OF_DAY, 0);
        cal.set(Calendar.MINUTE, 0);
        cal.set(Calendar.SECOND, 0);
        cal.set(Calendar.MILLISECOND, 0);
        return cal.getTime();
    }

    public static String getFirstDate(Date date) {
        Calendar cal = Calendar.getInstance();
        cal.setTime(date);
        cal.set(Calendar.MONTH, 0);
        cal.set(Calendar.DAY_OF_MONTH, 1);
        cal.set(Calendar.HOUR_OF_DAY, 0);
        cal.set(Calendar.MINUTE, 0);
        cal.set(Calendar.SECOND, 0);
        cal.set(Calendar.MILLISECOND, 0);
        return formatDate(cal.getTime());
    }

    public static String getLastDate(Date date) {
        Calendar cal = Calendar.getInstance();
        cal.setTime(date);
        cal.set(Calendar.MONTH, 11);
        cal.set(Calendar.DAY_OF_MONTH, 31);
        cal.set(Calendar.HOUR_OF_DAY, 23);
        cal.set(Calendar.MINUTE, 59);
        cal.set(Calendar.SECOND, 59);
        cal.set(Calendar.MILLISECOND, 0);
        return formatDate(cal.getTime());
    }

    
    public static boolean todayInClose(Date startDate, Date endDate) {
        Date currentDate = convertDate(new Date(), DATE_PATTERN);
        return currentDate.getTime() >= startDate.getTime() && currentDate.getTime() <= endDate.getTime();
//        Range range=Ranges.closed(startDate,endDate);
//        return range.contains(currentDate);
    }

    // 时间转换成毫秒,空返回-1
    public static Long getTime(Date date) {
        if (null == date) {
            return null;
        }
        return date.getTime();
    }

    
    public static boolean timeIntersection(Date closeOneStartDate, Date closeOneEndDate, Date closeTwoStartDate,
                                           Date closeTwoEndDate) {
        long start = Math.max(closeOneStartDate.getTime(), closeTwoStartDate.getTime());
        long end = Math.min(closeOneEndDate.getTime(), closeTwoEndDate.getTime());
        return start <= end;
    }

    
    public static Date getMonthFirstDay(Date date) {
        Calendar cale = Calendar.getInstance();
        cale.setTime(date);
        cale.add(Calendar.MONTH, 0);
        cale.set(Calendar.DAY_OF_MONTH, 1);
        return convertDate(cale.getTime(), DATE_PATTERN);
    }

    
    public static Date getMonthEndDay(Date date) {
        Calendar cale = Calendar.getInstance();
        cale.setTime(date);
        cale.add(Calendar.MONTH, 1);
        cale.set(Calendar.DAY_OF_MONTH, 0);
        return convertDate(cale.getTime(), DATE_PATTERN);
    }

    
    public static String getMonthFirstDayString(String date) {
        Date date1 = DateUtils.convertDate(date);
        Calendar cale = Calendar.getInstance();
        cale.setTime(date1);
        cale.add(Calendar.MONTH, 0);
        cale.set(Calendar.DAY_OF_MONTH, 1);
        return formatDate(cale.getTime(), DATE_PATTERN);
    }

    
    public static String getMonthEndDayString(String date) {
        Date date1 = DateUtils.convertDate(date);
        Calendar cale = Calendar.getInstance();
        cale.setTime(date1);
        cale.add(Calendar.MONTH, 1);
        cale.set(Calendar.DAY_OF_MONTH, 0);
        return formatDate(cale.getTime(), DATE_PATTERN);
    }

    
    public static int getSeason(Date date) {
        int season = 0;
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(date);
        int month = calendar.get(Calendar.MONTH);
        switch (month) {
            case Calendar.JANUARY:
            case Calendar.FEBRUARY:
            case Calendar.MARCH:
                season = 1;
                break;
            case Calendar.APRIL:
            case Calendar.MAY:
            case Calendar.JUNE:
                season = 2;
                break;
            case Calendar.JULY:
            case Calendar.AUGUST:
            case Calendar.SEPTEMBER:
                season = 3;
                break;
            case Calendar.OCTOBER:
            case Calendar.NOVEMBER:
            case Calendar.DECEMBER:
                season = 4;
                break;
            default:
                break;
        }
        return season;
    }

    public static int getYear(Date date) {
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(date);
        int year = calendar.get(Calendar.YEAR);
        return year;
    }

    public static String getPreSeason(Date date) {
        int year = getYear(date);
        int season = getSeason(date);
        if (season == 1) {
            return (year - 1) + "-" + 4;
        }
        return year + "-" + (season - 1);
    }

    public static Long convertTimestamp(LocalDateTime localDateTime) {
        return localDateTime.toInstant(ZoneOffset.of("+8")).toEpochMilli();
    }

    public static LocalDateTime convertLocalDateTime(Long second) {
        return LocalDateTime.ofEpochSecond(second, 0, ZoneOffset.ofHours(8));
    }

    public static Long getStartOfDay(String sdate) {
        DateFormat dateFormat = new SimpleDateFormat(DATE_PATTERN);
        try {
            Date date = dateFormat.parse(sdate);
            Calendar calendar = Calendar.getInstance();
            calendar.setTime(date);
            calendar.set(Calendar.HOUR_OF_DAY, 0);
            calendar.set(Calendar.MINUTE, 0);
            calendar.set(Calendar.SECOND, 0);
            calendar.set(Calendar.MILLISECOND, 0);
            return calendar.getTimeInMillis();
        } catch (ParseException e) {
            return null;
        }
    }


    
    public static String getLastWeekMonday(String time, boolean isGetThisWeek) {
        SimpleDateFormat foramt = new SimpleDateFormat(DateUtils.DATE_PATTERN);
        Date date = null;
        try {
            date = foramt.parse(time);
        } catch (ParseException e) {
            e.printStackTrace();
        }
        Calendar cal = Calendar.getInstance();
        cal.setTime(date);
        //判断当前日期是否为周末，因为周末是本周第一天，如果不向后推迟一天的到的将是下周一的零点，而不是本周周一零点
        if (1 == cal.get(Calendar.DAY_OF_WEEK)) {
            cal.add(Calendar.DATE, -1);
        }
        if (!isGetThisWeek) {
            //时间减去7天
            cal.add(Calendar.DAY_OF_MONTH, -7);
        }
        //Calendar.MonDAY 这个是周一的意思      想获取周几就更换这个
        cal.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);
        return foramt.format(cal.getTime()) + " 00:00:00";
    }

    
    public static String getLastWeekySaturday(String time) {
        SimpleDateFormat foramt = new SimpleDateFormat(DateUtils.DATE_PATTERN);
        Date date = null;
        try {
            date = foramt.parse(time);
        } catch (ParseException e) {
            e.printStackTrace();
        }
        Calendar cal = Calendar.getInstance();
        cal.setTime(date);
        //时间减去7天
        cal.add(Calendar.DAY_OF_MONTH, 6);

        return foramt.format(cal.getTime()) + " 23:59:59";
    }

    
    public static int getWeek(String dateTime) {

        Date date = DateUtils.convertDate(dateTime, DateUtils.DATETIME_PATTERN);
        GregorianCalendar g = new GregorianCalendar();
        g.setTime(date);

        return g.get(Calendar.WEEK_OF_YEAR); //获得周数

    }

}