时间操作方法积累

import org.apache.commons.lang3.time.DateUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.sql.Timestamp;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.*;


/**
 * @Author: wll8
 * @CreateTime: 2019/08/16
 * @Description: 时间工具类
 */
public class DateUtil extends DateUtils {

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

    /**
     * 日期格式，年份，例如：2004，2008
     */
    public static final String DATE_FORMAT_YYYY = "yyyy";


    /**
     * 日期格式，年份和月份，例如：200707，200808
     */
    public static final String DATE_FORMAT_YYYYMM = "yyyyMM";

    /**
     * 日期格式，年份和月份，例如：200707，2008-08
     */
    public static final String DATE_FORMAT_YYYY_MM = "yyyy-MM";


    /**
     * 日期格式，年月日，例如：050630，080808
     */
    public static final String DATE_FORMAT_YYMMDD = "yyMMdd";

    /**
     * 日期格式，年月日，用横杠分开，例如：06-12-25，08-08-08
     */
    public static final String DATE_FORMAT_YY_MM_DD = "yy-MM-dd";

    /**
     * 日期格式，年月日，例如：20050630，20080808
     */
    public static final String DATE_FORMAT_YYYYMMDD = "yyyyMMdd";

    /**
     * 日期格式，年月日，用横杠分开，例如：2006-12-25，2008-08-08
     */
    public static final String DATE_FORMAT_YYYY_MM_DD = "yyyy-MM-dd";

    /**
     * 日期格式，年月日，例如：2016.10.05
     */
    public static final String DATE_FORMAT_POINTYYYYMMDD = "yyyy.MM.dd";

    /**
     * 日期格式，年月日，例如：2016年10月05日
     */
    public static final String DATE_TIME_FORMAT_YYYY年MM月DD日 = "yyyy年MM月dd日";

    /**
     * 日期格式，年月日时分，例如：200506301210，200808081210
     */
    public static final String DATE_FORMAT_YYYYMMDDHHmm = "yyyyMMddHHmm";

    /**
     * 日期格式，年月日时分，例如：20001230 12:00，20080808 20:08
     */
    public static final String DATE_TIME_FORMAT_YYYYMMDD_HH_MI = "yyyyMMdd HH:mm";

    /**
     * 日期格式，年月日时分，例如：2000-12-30 12:00，2008-08-08 20:08
     */
    public static final String DATE_TIME_FORMAT_YYYY_MM_DD_HH_MI = "yyyy-MM-dd HH:mm";

    /**
     * 日期格式，年月日时分秒，例如：20001230120000，20080808200808
     */
    public static final String DATE_TIME_FORMAT_YYYYMMDDHHMISS = "yyyyMMddHHmmss";

    /**
     * 日期格式，年月日时分秒，年月日用横杠分开，时分秒用冒号分开
     * 例如：2005-05-10 23：20：00，2008-08-08 20:08:08
     */
    public static final String DATE_TIME_FORMAT_YYYY_MM_DD_HH_MI_SS = "yyyy-MM-dd HH:mm:ss";


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

    /**
     * 日期格式，年月日时分秒毫秒，例如：20001230120000123，20080808200808456
     */
    public static final String DATE_TIME_FORMAT_YYYYMMDDHHMISSSSS = "yyyyMMddHHmmssSSS";


    // ==特殊格式==
    /**
     * 日期格式，月日时分，例如：10-05 12:00
     */
    public static final String DATE_FORMAT_MMDDHHMI = "MM-dd HH:mm";

    /**
     * ISO8601标准时间格式
     */
    public static final String ISO8601_DATE_FORMAT = "yyyy-MM-dd'T'HH:mm:ss.SSSXXX";

    public static final String ISO8601 = "yyyy-MM-dd'T'HH:mm:ssXXX";

    /* ************工具方法***************   */

    /**
     * 获取某日期的年份
     *
     * @param date
     * @return
     */
    public static Integer getYear(Date date) {
        Calendar cal = Calendar.getInstance();
        cal.setTime(date);
        return cal.get(Calendar.YEAR);
    }

    /**
     * 获取某日期的月份
     *
     * @param date
     * @return
     */
    public static Integer getMonth(Date date) {
        Calendar cal = Calendar.getInstance();
        cal.setTime(date);
        return cal.get(Calendar.MONTH) + 1;
    }

    /**
     * 获取某日期的日数
     *
     * @param date
     * @return
     */
    public static Integer getDay(Date date) {
        Calendar cal = Calendar.getInstance();
        cal.setTime(date);
        int day = cal.get(Calendar.DATE);//获取日
        return day;
    }

    /**
     * 格式化Date时间
     *
     * @param time       Date类型时间
     * @param timeFromat String类型格式
     * @return 格式化后的字符串
     */
    public static String parseDateToStr(Date time, String timeFromat) {
        DateFormat dateFormat = new SimpleDateFormat(timeFromat);
        return dateFormat.format(time);
    }

    /**
     * 格式化Timestamp时间
     *
     * @param timestamp  Timestamp类型时间
     * @param timeFromat
     * @return 格式化后的字符串
     */
    public static String parseTimestampToStr(Timestamp timestamp, String timeFromat) {
        SimpleDateFormat df = new SimpleDateFormat(timeFromat);
        return df.format(timestamp);
    }

    /**
     * 格式化Date时间
     *
     * @param time         Date类型时间
     * @param timeFromat   String类型格式
     * @param defaultValue 默认值为当前时间Date
     * @return 格式化后的字符串
     */
    public static String parseDateToStr(Date time, String timeFromat, final Date defaultValue) {
        try {
            DateFormat dateFormat = new SimpleDateFormat(timeFromat);
            return dateFormat.format(time);
        } catch (Exception e) {
            if (defaultValue != null)
                return parseDateToStr(defaultValue, timeFromat);
            else
                return parseDateToStr(new Date(), timeFromat);
        }
    }

    /**
     * 格式化Date时间
     *
     * @param time         Date类型时间
     * @param timeFromat   String类型格式
     * @param defaultValue 默认时间值String类型
     * @return 格式化后的字符串
     */
    public static String parseDateToStr(Date time, String timeFromat, final String defaultValue) {
        try {
            DateFormat dateFormat = new SimpleDateFormat(timeFromat);
            return dateFormat.format(time);
        } catch (Exception e) {
            return defaultValue;
        }
    }

    /**
     * 格式化String时间
     *
     * @param time       String类型时间
     * @param timeFromat String类型格式
     * @return 格式化后的Date日期
     */
    public static Date parseStrToDate(String time, String timeFromat) {
        if (time == null || time.equals("")) {
            return null;
        }

        Date date = null;
        try {
            DateFormat dateFormat = new SimpleDateFormat(timeFromat);
            date = dateFormat.parse(time);
        } catch (Exception e) {

        }
        return date;
    }

    /**
     * 格式化String时间
     *
     * @param strTime      String类型时间
     * @param timeFromat   String类型格式
     * @param defaultValue 异常时返回的默认值
     * @return
     */
    public static Date parseStrToDate(String strTime, String timeFromat,
                                      Date defaultValue) {
        try {
            DateFormat dateFormat = new SimpleDateFormat(timeFromat);
            return dateFormat.parse(strTime);
        } catch (Exception e) {
            return defaultValue;
        }
    }

    /**
     * 当strTime为2008-9时返回为2008-9-1 00:00格式日期时间，无法转换返回null.
     *
     * @param strTime
     * @return
     */
    public static Date strToDate(String strTime) {
        if (strTime == null || strTime.trim().length() <= 0)
            return null;

        Date date = null;
        List<String> list = new ArrayList<String>(0);

        list.add(DATE_TIME_FORMAT_YYYY_MM_DD_HH_MI_SS);
        list.add(DATE_TIME_FORMAT_YYYYMMDDHHMISSSSS);
        list.add(DATE_TIME_FORMAT_YYYY_MM_DD_HH_MI);
        list.add(DATE_TIME_FORMAT_YYYYMMDD_HH_MI);
        list.add(DATE_TIME_FORMAT_YYYYMMDDHHMISS);
        list.add(DATE_FORMAT_YYYY_MM_DD);
        //list.add(DATE_FORMAT_YY_MM_DD);
        list.add(DATE_FORMAT_YYYYMMDD);
        list.add(DATE_FORMAT_YYYY_MM);
        list.add(DATE_FORMAT_YYYYMM);
        list.add(DATE_FORMAT_YYYY);


        for (Iterator iter = list.iterator(); iter.hasNext(); ) {
            String format = (String) iter.next();
            if (strTime.indexOf("-") > 0 && format.indexOf("-") < 0)
                continue;
            if (strTime.indexOf("-") < 0 && format.indexOf("-") > 0)
                continue;
            if (strTime.length() > format.length())
                continue;
            date = parseStrToDate(strTime, format);
            if (date != null)
                break;
        }

        return date;
    }

    /**
     * 解析两个日期之间的所有月份
     *
     * @param beginDateStr 开始日期，至少精确到yyyy-MM
     * @param endDateStr   结束日期，至少精确到yyyy-MM
     * @return yyyy-MM日期集合
     */
    public static List<String> getMonthListOfDate(String beginDateStr, String endDateStr) {
        // 指定要解析的时间格式
        SimpleDateFormat f = new SimpleDateFormat("yyyy-MM");
        // 返回的月份列表
        String sRet = "";

        // 定义一些变量
        Date beginDate = null;
        Date endDate = null;

        GregorianCalendar beginGC = null;
        GregorianCalendar endGC = null;
        List<String> list = new ArrayList<String>();

        try {
            // 将字符串parse成日期
            beginDate = f.parse(beginDateStr);
            endDate = f.parse(endDateStr);

            // 设置日历
            beginGC = new GregorianCalendar();
            beginGC.setTime(beginDate);

            endGC = new GregorianCalendar();
            endGC.setTime(endDate);

            // 直到两个时间相同
            while (beginGC.getTime().compareTo(endGC.getTime()) <= 0) {
                sRet = beginGC.get(Calendar.YEAR) + "-"
                        + (beginGC.get(Calendar.MONTH) + 1);
                list.add(sRet);
                // 以月为单位，增加时间
                beginGC.add(Calendar.MONTH, 1);
            }
            return list;
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }

    /**
     * 解析两个日期段之间的所有日期
     *
     * @param beginDateStr 开始日期  ，至少精确到yyyy-MM-dd
     * @param endDateStr   结束日期  ，至少精确到yyyy-MM-dd
     * @return yyyy-MM-dd日期集合
     */
    public static List<String> getDayListOfDate(String beginDateStr, String endDateStr) {
        // 指定要解析的时间格式
        SimpleDateFormat f = new SimpleDateFormat("yyyy-MM-dd");

        // 定义一些变量
        Date beginDate = null;
        Date endDate = null;

        Calendar beginGC = null;
        Calendar endGC = null;
        List<String> list = new ArrayList<String>();

        try {
            // 将字符串parse成日期
            beginDate = f.parse(beginDateStr);
            endDate = f.parse(endDateStr);

            // 设置日历
            beginGC = Calendar.getInstance();
            beginGC.setTime(beginDate);

            endGC = Calendar.getInstance();
            endGC.setTime(endDate);
            SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");

            // 直到两个时间相同
            while (beginGC.getTime().compareTo(endGC.getTime()) <= 0) {

                list.add(sdf.format(beginGC.getTime()));
                // 以日为单位，增加时间
                beginGC.add(Calendar.DAY_OF_MONTH, 1);
            }
            return list;
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }

    /**
     * 获取当下年份指定前后数量的年份集合
     *
     * @param before 当下年份前年数
     * @param behind 当下年份后年数
     * @return 集合
     */
    public static List<Integer> getYearListOfYears(int before, int behind) {
        if (before < 0 || behind < 0) {
            return null;
        }
        List<Integer> list = new ArrayList<Integer>();
        Calendar c = null;
        c = Calendar.getInstance();
        c.setTime(new Date());
        int currYear = Calendar.getInstance().get(Calendar.YEAR);

        int startYear = currYear - before;
        int endYear = currYear + behind;
        for (int i = startYear; i < endYear; i++) {
            list.add(Integer.valueOf(i));
        }
        return list;
    }

    /**
     * 获取当前日期是一年中第几周
     *
     * @param date
     * @return
     */
    public static Integer getWeekthOfYear(Date date) {
        Calendar c = new GregorianCalendar();
        c.setFirstDayOfWeek(Calendar.MONDAY);
        c.setMinimalDaysInFirstWeek(7);
        c.setTime(date);

        return c.get(Calendar.WEEK_OF_YEAR);
    }

    /**
     * 获取某一年各星期的始终时间
     * 实例：getWeekList(2016)，第52周(从2016-12-26至2017-01-01)
     *
     * @param year
     * @return
     */
    public static HashMap<Integer, String> getWeekTimeOfYear(int year) {
        HashMap<Integer, String> map = new LinkedHashMap<Integer, String>();
        Calendar c = new GregorianCalendar();
        c.set(year, Calendar.DECEMBER, 31, 23, 59, 59);
        int count = getWeekthOfYear(c.getTime());

        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
        String dayOfWeekStart = "";
        String dayOfWeekEnd = "";
        for (int i = 1; i <= count; i++) {
            dayOfWeekStart = sdf.format(getFirstDayOfWeek(year, i));
            dayOfWeekEnd = sdf.format(getLastDayOfWeek(year, i));
            map.put(Integer.valueOf(i), "第" + i + "周(从" + dayOfWeekStart + "至" + dayOfWeekEnd + ")");
        }
        return map;

    }

    /**
     * 获取某一年的总周数
     *
     * @param year
     * @return
     */
    public static Integer getWeekCountOfYear(int year) {
        Calendar c = new GregorianCalendar();
        c.set(year, Calendar.DECEMBER, 31, 23, 59, 59);
        int count = getWeekthOfYear(c.getTime());
        return count;
    }

    /**
     * 获取指定日期所在周的第一天
     *
     * @param date
     * @return
     */
    public static Date getFirstDayOfWeek(Date date) {
        Calendar c = new GregorianCalendar();
        c.setFirstDayOfWeek(Calendar.MONDAY);
        c.setTime(date);
        c.set(Calendar.DAY_OF_WEEK, c.getFirstDayOfWeek()); // Monday
        return c.getTime();
    }

    /**
     * 获取指定日期所在周的最后一天
     *
     * @param date
     * @return
     */
    public static Date getLastDayOfWeek(Date date) {
        Calendar c = new GregorianCalendar();
        c.setFirstDayOfWeek(Calendar.MONDAY);
        c.setTime(date);
        c.set(Calendar.DAY_OF_WEEK, c.getFirstDayOfWeek() + 6); // Sunday
        return c.getTime();
    }

    /**
     * 获取某年某周的第一天
     *
     * @param year 目标年份
     * @param week 目标周数
     * @return
     */
    public static Date getFirstDayOfWeek(int year, int week) {
        Calendar c = new GregorianCalendar();
        c.set(Calendar.YEAR, year);
        c.set(Calendar.MONTH, Calendar.JANUARY);
        c.set(Calendar.DATE, 1);

        Calendar cal = (GregorianCalendar) c.clone();
        cal.add(Calendar.DATE, week * 7);

        return getFirstDayOfWeek(cal.getTime());
    }

    /**
     * 获取某年某周的最后一天
     *
     * @param year 目标年份
     * @param week 目标周数
     * @return
     */
    public static Date getLastDayOfWeek(int year, int week) {
        Calendar c = new GregorianCalendar();
        c.set(Calendar.YEAR, year);
        c.set(Calendar.MONTH, Calendar.JANUARY);
        c.set(Calendar.DATE, 1);

        Calendar cal = (GregorianCalendar) c.clone();
        cal.add(Calendar.DATE, week * 7);

        return getLastDayOfWeek(cal.getTime());
    }

    /**
     * 获取某年某月的第一天
     *
     * @param year  目标年份
     * @param month 目标月份
     * @return
     */
    public static Date getFirstDayOfMonth(int year, int month) {
        month = month - 1;
        Calendar c = Calendar.getInstance();
        c.set(Calendar.YEAR, year);
        c.set(Calendar.MONTH, month);

        int day = c.getActualMinimum(c.DAY_OF_MONTH);

        c.set(Calendar.DAY_OF_MONTH, day);
        c.set(Calendar.HOUR_OF_DAY, 0);
        c.set(Calendar.MINUTE, 0);
        c.set(Calendar.SECOND, 0);
        c.set(Calendar.MILLISECOND, 0);
        return c.getTime();
    }

    /**
     * 获取某年某月的最后一天
     *
     * @param year  目标年份
     * @param month 目标月份
     * @return
     */
    public static Date getLastDayOfMonth(int year, int month) {
        month = month - 1;
        Calendar c = Calendar.getInstance();
        c.set(Calendar.YEAR, year);
        c.set(Calendar.MONTH, month);
        int day = c.getActualMaximum(c.DAY_OF_MONTH);
        c.set(Calendar.DAY_OF_MONTH, day);
        c.set(Calendar.HOUR_OF_DAY, 23);
        c.set(Calendar.MINUTE, 59);
        c.set(Calendar.SECOND, 59);
        c.set(Calendar.MILLISECOND, 999);
        return c.getTime();
    }

    /**
     * 获取某个日期为星期几
     *
     * @param date
     * @return String "星期*"
     */
    public static String getDayWeekOfDate1(Date date) {
        String[] weekDays = {"星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六"};
        Calendar cal = Calendar.getInstance();
        cal.setTime(date);

        int w = cal.get(Calendar.DAY_OF_WEEK) - 1;
        if (w < 0)
            w = 0;

        return weekDays[w];
    }

    /**
     * 获取某个日期为周几
     *
     * @param dateStr
     * @return String "星期*"
     */
    public static String getDayWeekOfDate1(String  dateStr) {
        String[] weekDays = {"星期日", "周一", "周二", "周三", "周四", "周五", "周六"};
        DateFormat df = new SimpleDateFormat(DATE_TIME_FORMAT_YYYY_MM_DD_HH_MI_SS);
        Date date = null;
        try {
            date = df.parse(dateStr);
        } catch (ParseException e) {
            logger.error("时间解析发生异常！",e);
        }
        Calendar cal = Calendar.getInstance();
        cal.setTime(date);

        int w = cal.get(Calendar.DAY_OF_WEEK) - 1;
        if (w < 0)
            w = 0;

        return weekDays[w];
    }

    /**
     * 获得指定日期的星期几数
     *
     * @param date
     * @return int
     */
    public static Integer getDayWeekOfDate2(Date date) {
        Calendar aCalendar = Calendar.getInstance();
        aCalendar.setTime(date);
        int weekDay = aCalendar.get(Calendar.DAY_OF_WEEK);
        return weekDay;
    }

    /**
     * 验证字符串是否为日期
     * 验证格式:YYYYMMDD、YYYY_MM_DD、YYYYMMDDHHMISS、YYYYMMDD_HH_MI、YYYY_MM_DD_HH_MI、YYYYMMDDHHMISSSSS、YYYY_MM_DD_HH_MI_SS
     *
     * @param strTime
     * @return null时返回false;true为日期，false不为日期
     */
    public static boolean validateIsDate(String strTime) {
        if (strTime == null || strTime.trim().length() <= 0)
            return false;

        Date date = null;
        List<String> list = new ArrayList<String>(0);

        list.add(DATE_TIME_FORMAT_YYYY_MM_DD_HH_MI_SS);
        list.add(DATE_TIME_FORMAT_YYYYMMDDHHMISSSSS);
        list.add(DATE_TIME_FORMAT_YYYY_MM_DD_HH_MI);
        list.add(DATE_TIME_FORMAT_YYYYMMDD_HH_MI);
        list.add(DATE_TIME_FORMAT_YYYYMMDDHHMISS);
        list.add(DATE_FORMAT_YYYY_MM_DD);
        //list.add(DATE_FORMAT_YY_MM_DD);
        list.add(DATE_FORMAT_YYYYMMDD);
        //list.add(DATE_FORMAT_YYYY_MM);
        //list.add(DATE_FORMAT_YYYYMM);
        //list.add(DATE_FORMAT_YYYY);

        for (Iterator iter = list.iterator(); iter.hasNext(); ) {
            String format = (String) iter.next();
            if (strTime.indexOf("-") > 0 && format.indexOf("-") < 0)
                continue;
            if (strTime.indexOf("-") < 0 && format.indexOf("-") > 0)
                continue;
            if (strTime.length() > format.length())
                continue;
            date = parseStrToDate(strTime.trim(), format);
            if (date != null)
                break;
        }

        if (date != null) {
            System.out.println("生成的日期:" + DateUtil.parseDateToStr(date, DateUtil.DATE_TIME_FORMAT_YYYY_MM_DD_HH_MI_SS, "--null--"));
            return true;
        }
        return false;
    }

    /**
     * 将指定日期的时分秒格式为零
     *
     * @param date
     * @return
     */
    public static Date formatHhMmSsOfDate(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();
    }

    /**
     * 获得指定时间加减参数后的日期(不计算则输入0)
     *
     * @param date        指定日期
     * @param year        年数，可正可负
     * @param month       月数，可正可负
     * @param day         天数，可正可负
     * @param hour        小时数，可正可负
     * @param minute      分钟数，可正可负
     * @param second      秒数，可正可负
     * @param millisecond 毫秒数，可正可负
     * @return 计算后的日期
     */
    public static Date addDate(Date date, int year, int month, int day, int hour, int minute, int second, int millisecond) {
        Calendar c = Calendar.getInstance();
        c.setTime(date);
        c.add(Calendar.YEAR, year);//加减年数
        c.add(Calendar.MONTH, month);//加减月数
        c.add(Calendar.DATE, day);//加减天数
        c.add(Calendar.HOUR, hour);//加减小时数
        c.add(Calendar.MINUTE, minute);//加减分钟数
        c.add(Calendar.SECOND, second);//加减秒
        c.add(Calendar.MILLISECOND, millisecond);//加减毫秒数

        return c.getTime();
    }



    /**
     * 获取指定时间段内，特定星期几的日期字符串列表
     * @param startDateStr 开始日期 格式为：2012-12-12 00:00:00
     * @param endDateStr 结束日期 格式为：2012-12-12 23:00:00
     * @param week 要选择的星期 为本周的第几天，以星期日为 本周的第“1”天
     * @return 日期字符串列表
     */
    public static List getNeedDate(String startDateStr, String endDateStr, String[] week) {

        List list = new ArrayList();
        SimpleDateFormat dfDate = new SimpleDateFormat("yyyyMMdd", Locale.CHINESE);
        SimpleDateFormat dfDateTime = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.CHINESE);
        Calendar beginDate = Calendar.getInstance();
        Calendar endDate = Calendar.getInstance();
        try {
            beginDate.setTime(dfDateTime.parse(startDateStr));
            endDate.setTime(dfDateTime.parse(endDateStr));
        } catch (ParseException e) {
            e.printStackTrace();
        }

        //获取指定日历的副本
        Calendar date = (Calendar)beginDate.clone();
        while(date.before(endDate)) {
            //获取日期所在周的第几天
            int dayOfWeek = date.get(Calendar.DAY_OF_WEEK);
            for(int i = 0; i < week.length; i++) {
                if(dayOfWeek == Integer.parseInt(week[i])) {
                    String str = dfDate.format(date.getTime());
                    list.add(str);
                }
            }
            //日期的后一天
            date.add(Calendar.DAY_OF_MONTH, 1);
        }

        return list;
    }

    //获取下上一个周四
    public static String getBeforeThursday(String dateStr) {
        int weekDay = 0;
        String resultDate = "";
        SimpleDateFormat dfDateTime = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.CHINESE);
        try {
            weekDay = getDayWeekOfDate2(dfDateTime.parse(dateStr));
            int diff = 0;
            if (weekDay < 5) {
                diff = 7 + weekDay - 5;
            } else {
                diff = weekDay - 5;
            }
            resultDate = getDateBeforeNDate(dfDateTime.parse(dateStr), diff);

        } catch (ParseException e) {
            e.printStackTrace();
        }
        return resultDate;
    }

    //获取下一个周四
    public static String getAfterThursday(String dateStr) {
        int weekDay = 0;
        String resultDate = "";
        SimpleDateFormat dfDateTime = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.CHINESE);
        try {
            weekDay = getDayWeekOfDate2(dfDateTime.parse(dateStr));
            int diff = 0;
            if (weekDay < 5) {
                diff = weekDay - 5;
            } else {
                diff = (12 - weekDay) % 5;
            }
            resultDate = getDateBeforeNDate(dfDateTime.parse(dateStr), diff);

        } catch (ParseException e) {
            e.printStackTrace();
        }
        return resultDate;
    }

    /**
     * 获得两个日期的时间戳之差
     *
     * @param startDate
     * @param endDate
     * @return
     */
    public static Long getDistanceTimestamp(Date startDate, Date endDate) {
        long daysBetween = (endDate.getTime() - startDate.getTime() + 1000000) / (3600 * 24 * 1000);
        return daysBetween;
    }

    /**
     * 获得两个日期的时间戳之差
     *
     * @param startDateStr
     * @param endDateStr
     * @return
     */
    public static Long getDistanceTimestamp(String startDateStr, String endDateStr) {
        DateFormat df = new SimpleDateFormat(DATE_TIME_FORMAT_YYYY_MM_DD_HH_MI_SS);
        Date startDate = null;
        Date endDate = null;
        try {
            startDate = df.parse(startDateStr);
            endDate = df.parse(endDateStr);
        } catch (ParseException e) {
            logger.error("时间解析发生异常！");
        }
        long secondsBetween = (endDate.getTime() - startDate.getTime() + 1000000) / (1000);
        return secondsBetween;
    }

    /**
     * 判断二个时间是否为同年同月
     *
     * @param date1
     * @param date2
     * @return
     */
    public static Boolean compareIsSameMonth(Date date1, Date date2) {
        boolean flag = false;
        int year1 = getYear(date1);
        int year2 = getYear(date2);
        if (year1 == year2) {
            int month1 = getMonth(date1);
            int month2 = getMonth(date2);
            if (month1 == month2) flag = true;
        }
        return flag;
    }

    /**
     * 获得两个时间相差距离多少天多少小时多少分多少秒
     *
     * @param str1 时间参数 1 格式：1990-01-01 12:00:00
     * @param str2 时间参数 2 格式：2009-01-01 12:00:00
     * @return long[] 返回值为：{天, 时, 分, 秒}
     */
    public static long[] getDistanceTime(Date str1, Date str2) {
        long day = 0;
        long hour = 0;
        long min = 0;
        long sec = 0;
        try {

            long time1 = str1.getTime();
            long time2 = str2.getTime();
            long diff;
            if (time1 < time2) {
                diff = time2 - time1;
            } else {
                diff = time1 - time2;
            }
            day = diff / (24 * 60 * 60 * 1000);
            hour = (diff / (60 * 60 * 1000) - day * 24);
            min = ((diff / (60 * 1000)) - day * 24 * 60 - hour * 60);
            sec = (diff / 1000 - day * 24 * 60 * 60 - hour * 60 * 60 - min * 60);
        } catch (Exception e) {
            e.printStackTrace();
        }
        long[] times = {day, hour, min, sec};
        return times;
    }

    /**
     * 两个时间相差距离多少天多少小时多少分多少秒
     *
     * @param str1 时间参数 1 格式：1990-01-01 12:00:00
     * @param str2 时间参数 2 格式：2009-01-01 12:00:00
     * @return String 返回值为：{天, 时, 分, 秒}
     */
    public static long[] getDistanceTime(String str1, String str2) {
        DateFormat df = new SimpleDateFormat(DATE_TIME_FORMAT_YYYY_MM_DD_HH_MI_SS);
        Date one;
        Date two;
        long day = 0;
        long hour = 0;
        long min = 0;
        long sec = 0;
        try {
            one = df.parse(str1);
            two = df.parse(str2);
            long time1 = one.getTime();
            long time2 = two.getTime();
            long diff;
            if (time1 < time2) {
                diff = time2 - time1;
            } else {
                diff = time1 - time2;
            }
            day = diff / (24 * 60 * 60 * 1000);
            hour = (diff / (60 * 60 * 1000) - day * 24);
            min = ((diff / (60 * 1000)) - day * 24 * 60 - hour * 60);
            sec = (diff / 1000 - day * 24 * 60 * 60 - hour * 60 * 60 - min * 60);
        } catch (ParseException e) {
            e.printStackTrace();
        }
        long[] times = {day, hour, min, sec};
        return times;
    }

    /**
     * 两个时间之间相差距离多少天
     *
     * @param str1 时间参数 1：
     * @param str2 时间参数 2：
     * @return 相差天数
     */
    public static Long getDistanceDays(String str1, String str2) throws Exception {
        DateFormat df = new SimpleDateFormat(DATE_TIME_FORMAT_YYYY_MM_DD_HH_MI_SS);
        Date one;
        Date two;
        long days = 0;
        try {
            one = df.parse(str1);
            two = df.parse(str2);
            long time1 = one.getTime();
            long time2 = two.getTime();
            long diff;
            if (time1 < time2) {
                diff = time2 - time1;
            } else {
                diff = time1 - time2;
            }
            days = diff / (1000 * 60 * 60 * 24);
        } catch (ParseException e) {
            e.printStackTrace();
        }
        return days;
    }

    /**
     * 获取指定时间的那天 00:00:00.000 的时间
     *
     * @param date
     * @return
     */
    public static Date getDayBeginTime(final Date date) {
        Calendar c = Calendar.getInstance();
        c.setTime(date);
        c.set(Calendar.HOUR_OF_DAY, 0);
        c.set(Calendar.MINUTE, 0);
        c.set(Calendar.SECOND, 0);
        c.set(Calendar.MILLISECOND, 0);
        return c.getTime();
    }

    /**
     * 获取指定时间的那天 23:59:59.999 的时间
     *
     * @param date
     * @return
     */
    public static Date getDayEndTime(final Date date) {
        Calendar c = Calendar.getInstance();
        c.setTime(date);
        c.set(Calendar.HOUR_OF_DAY, 23);
        c.set(Calendar.MINUTE, 59);
        c.set(Calendar.SECOND, 59);
        c.set(Calendar.MILLISECOND, 999);
        return c.getTime();
    }


    /**
     * 获取ISO8601时间格式的时间字符串
     *
     * @param dateTime
     * @return
     */
    public static String formatISO8601(Date dateTime) {
        DateFormat sdf = new SimpleDateFormat(ISO8601_DATE_FORMAT);
        return sdf.format(dateTime);
    }

    /**
     * 获取ISO8601时间格式的时间
     *
     * @param dateTime
     * @return
     */
    public static Date fromISO8601(String dateTime) {
        try {
            return new SimpleDateFormat(ISO8601_DATE_FORMAT).parse(dateTime);
        } catch (ParseException e) {
            e.printStackTrace();
        }
        return null;
    }

    /**
     * 获取yyyy-MM-dd HH:mm:ss格式的时间字符串
     *
     * @param dateTime
     * @return
     */
    public static String formatDateTime(Date dateTime) {
        DateFormat sdf = new SimpleDateFormat(DATE_TIME_FORMAT_YYYY_MM_DD_HH_MI_SS);
        return sdf.format(dateTime);
    }

    /**
     * 获取yyyy-MM-dd HH:mm:ss时间格式的时间
     *
     * @param dateTime
     * @return
     */
    public static Date fromDateTime(String dateTime) {
        try {
            return new SimpleDateFormat(DATE_TIME_FORMAT_YYYY_MM_DD_HH_MI_SS).parse(dateTime);
        } catch (ParseException e) {
            logger.error("时间格式转化异常！", e.toString());
            e.printStackTrace();
        }
        return null;
    }


    /**
     * 将yyyyMMddHHmmss形式的时间转化为yyyy-MM-dd'T'HH:mm:ss.SSSXXX格式的时间
     *
     * @param dateTime
     * @return
     */
    public static String formatISO8601FromYYMMDDHHmmss(String dateTime) {
        try {
            DateFormat newSdf = new SimpleDateFormat(ISO8601_DATE_FORMAT);
            DateFormat oldSdf = new SimpleDateFormat(DATE_TIME_FORMAT_YYYYMMDDHHMISS);
            Date oldDate = oldSdf.parse(dateTime);
            return newSdf.format(oldDate);
        } catch (ParseException e) {
            e.printStackTrace();
        }
        return null;
    }

    /**
     * 将yyyy-MM-dd HH:mm:ss形式的时间转化为yyyy-MM-dd'T'HH:mm:ss.SSSXXX格式的时间
     *
     * @param dateTime
     * @return
     */
    public static String formatISO8601FromStandard(String dateTime) {
        try {
            DateFormat newSdf = new SimpleDateFormat(ISO8601_DATE_FORMAT);
            DateFormat oldSdf = new SimpleDateFormat(DATE_TIME_FORMAT_YYYY_MM_DD_HH_MI_SS);
            Date oldDate = oldSdf.parse(dateTime);
            return newSdf.format(oldDate);
        } catch (ParseException e) {
            e.printStackTrace();
        }
        return null;
    }

    /**
     * 将yyyy-MM-dd'T'HH:mm:ss.SSSXXX格式的时间转化为yyyy-MM-dd HH:mm:ss形式的时间
     *
     * @param dateTime
     * @return
     */
    public static String formatStandardFromISO8601(String dateTime) {
        try {
            DateFormat newSdf = new SimpleDateFormat(DATE_TIME_FORMAT_YYYY_MM_DD_HH_MI_SS);
            DateFormat oldSdf = new SimpleDateFormat(ISO8601_DATE_FORMAT);
            Date oldDate = oldSdf.parse(dateTime);
            return newSdf.format(oldDate);
        } catch (ParseException e) {
            e.printStackTrace();
        }
        return null;
    }

    public static String formatStandardTimeFromISO8601(String timeStr){
        try {
            SimpleDateFormat sdf1=new SimpleDateFormat(ISO8601);
            SimpleDateFormat sdf2=new SimpleDateFormat(DATE_TIME_FORMAT_YYYY_MM_DD_HH_MI_SS);
            Date date = sdf1.parse(timeStr);
            return sdf2.format(date);
        }catch (Exception e) {
            e.printStackTrace();
        }
        return timeStr;
    }


    public static String formatYMDDate(Date dateTime) {
        DateFormat sdf = new SimpleDateFormat(DATE_FORMAT_YYYY_MM_DD);
        return sdf.format(dateTime);
    }

    public static String formatHHHISS(Date dateTime) {
        DateFormat sdf = new SimpleDateFormat(DATE_TIME_FORMAT_HH_MI_SS);
        return sdf.format(dateTime);
    }

    public static String formatYMDHMSDate(Date dateTime) {
        DateFormat sdf = new SimpleDateFormat(DATE_TIME_FORMAT_YYYY_MM_DD_HH_MI_SS);
        return sdf.format(dateTime);
    }

    //将时间格式转换成20191212格式
    public static String formatYYYYMMDDDate(Date dateTime) {
        DateFormat sdf = new SimpleDateFormat("yyyyMMdd");
        return sdf.format(dateTime);
    }

    public static String getBefore1MinuteTime() {
        Date curentDate = new Date();
        Date before1MinuteDate = DateUtil.addDate(curentDate, 0, 0, 0, 0, -1, 0, 0);

        String endDateTime = formatYMDHMSDate(before1MinuteDate);

        DateFormat sdf = new SimpleDateFormat(DATE_TIME_FORMAT_YYYY_MM_DD_HH_MI_SS);

        Date endDateTimeISOISO8601 = null;
        try {
            endDateTimeISOISO8601 = sdf.parse(endDateTime);
        } catch (ParseException e) {
            logger.error("时间转化发生异常！");
        }
        String oneMinuteAgo = formatISO8601(endDateTimeISOISO8601);
        return oneMinuteAgo;
    }

    public static String getBefore60seTime() {
        Date curentDate = new Date();
        Date before1MinuteDate = DateUtil.addDate(curentDate, 0, 0, 0, 0, 0, -60, 0);

        String endDateTime = formatYMDHMSDate(before1MinuteDate);

        DateFormat sdf = new SimpleDateFormat(DATE_TIME_FORMAT_YYYY_MM_DD_HH_MI_SS);

        Date endDateTimeISOISO8601 = null;
        try {
            endDateTimeISOISO8601 = sdf.parse(endDateTime);
        } catch (ParseException e) {
            logger.error("时间转化发生异常！");
        }
        String oneMinuteAgo = formatISO8601(endDateTimeISOISO8601);
        return oneMinuteAgo;
    }

    public static String getBefore7day() {
        Date curentDate = new Date();
        Date before1MinuteDate = DateUtil.addDate(curentDate, 0, 0, -7, 0, 0, 0, 0);

        String endDateTime = formatYMDHMSDate(before1MinuteDate);

        DateFormat sdf = new SimpleDateFormat(DATE_TIME_FORMAT_YYYY_MM_DD_HH_MI_SS);

        Date endDateTimeISOISO8601 = null;
        try {
            endDateTimeISOISO8601 = sdf.parse(endDateTime);
        } catch (ParseException e) {
            logger.error("时间转化发生异常！");
        }
        String oneMinuteAgo = formatISO8601(endDateTimeISOISO8601);
        return oneMinuteAgo;
    }

    public static List<String> getCurrentAndBefore7DaysBeginAndEndDateTime() {
        List<String> list = new ArrayList<>();
        Date curentDate = new Date();
        Date before7DaysDate = DateUtil.addDate(curentDate, 0, 0, -6, 0, 0, 0, 0);

        String endDateTime = formatYMDDate(curentDate) + " 00:00:00";
        String beginDateTime = formatYMDDate(before7DaysDate) + " 23:59:59";


        DateFormat sdf = new SimpleDateFormat(DATE_FORMAT_YYYY_MM_DD);

        Date beginDateTimeISO8601 = null;
        Date endDateTimeISOISO8601 = null;
        try {
            beginDateTimeISO8601 = sdf.parse(beginDateTime);
            endDateTimeISOISO8601 = sdf.parse(endDateTime);
        } catch (ParseException e) {
            logger.error("时间转化发生异常！");
        }
        list.add(formatISO8601(beginDateTimeISO8601));
        list.add(formatISO8601(endDateTimeISOISO8601));
        return list;
    }

    public static List<String> getCurrentAndBefore30DaysBeginAndEndDateTime() {
        List<String> list = new ArrayList<>();
        Date curentDate = new Date();
        Date before30DaysDate = DateUtil.addDate(curentDate, 0, 0, -29, 0, 0, 0, 0);

        String endDateTime = formatYMDDate(curentDate) + " 00:00:00";
        String beginDateTime = formatYMDDate(before30DaysDate) + " 23:59:59";


        DateFormat sdf = new SimpleDateFormat(DATE_FORMAT_YYYY_MM_DD);

        Date beginDateTimeISO8601 = null;
        Date endDateTimeISOISO8601 = null;
        try {
            beginDateTimeISO8601 = sdf.parse(beginDateTime);
            endDateTimeISOISO8601 = sdf.parse(endDateTime);
        } catch (ParseException e) {
            logger.error("时间转化发生异常！");
        }
        list.add(formatISO8601(beginDateTimeISO8601));
        list.add(formatISO8601(endDateTimeISOISO8601));
        return list;
    }

    /**
     * 将2019-09-08T17:25:08.000+08:00格式的时间转化为DATE_FORMAT_YYYYMMDDHHmm = "yyyyMMddHHmm"格式的时间
     *
     * @param dateTime
     * @return
     */
    public static String getFormatYYMMDDhhmmss(String dateTime) {
        try {
            DateFormat oldSdf = new SimpleDateFormat(DATE_TIME_FORMAT_YYYY_MM_DD_HH_MI_SS);
            DateFormat newSdf = new SimpleDateFormat(DATE_TIME_FORMAT_YYYYMMDDHHMISS);
            String dateTimeStr = dateTime.substring(0, 10) + " " + dateTime.substring(11, 19);
            Date newDateTime = oldSdf.parse(dateTimeStr);
            return newSdf.format(newDateTime);
        } catch (ParseException e) {
            e.printStackTrace();
        }
        return null;
    }

    /**
     * 获取当前日期时间
     *
     * @return
     */
    public static String getCurrentDateTime() {
        DateFormat sdf = new SimpleDateFormat(DATE_TIME_FORMAT_YYYY_MM_DD_HH_MI_SS);
        Date date = new Date();
        String dateTime = sdf.format(date);
        return dateTime;
    }

    /**
     * 获取当前日期时间
     *
     * @return
     */
    public static String getCurrentDateTimeWithYyyyMMdd() {
        DateFormat sdf = new SimpleDateFormat(DATE_FORMAT_YYYYMMDD);
        Date date = new Date();
        String dateTime = sdf.format(date);
        return dateTime;
    }

    /**
     * 获取当前日期
     *
     * @return
     */
    public static String getCurrentDate() {
        DateFormat sdf = new SimpleDateFormat(DATE_FORMAT_YYYY_MM_DD);
        Date date = new Date();
        String resultDate = sdf.format(date);
        return resultDate;
    }

    /**
     * 获取当前日期时间，yyyyMMddHHmmss格式
     *
     * @return
     */
    public static String getCurrentDateTimeWithYyyyMMddHHmmss() {
        DateFormat sdf = new SimpleDateFormat(DATE_TIME_FORMAT_YYYYMMDDHHMISS);
        Date date = new Date();
        String dateTime = sdf.format(date);
        return dateTime;
    }

    /**
     * 获取当天开始日期时间
     *
     * @return
     */
    public static String getCurrentBeginDateTime() {
        DateFormat sdf = new SimpleDateFormat(DATE_FORMAT_YYYY_MM_DD);
        Date date = new Date();
        String currentDate = sdf.format(date);
        String todatBeginDateTime = currentDate + " 00:00:00";
        return todatBeginDateTime;
    }

    /**
     * 获取当天向前推n天的日期时间
     *
     * @param n
     * @return
     */
    public static String getCurrentBeforeNDateTime(int n) {
        DateFormat sdf = new SimpleDateFormat(DATE_FORMAT_YYYY_MM_DD);
        Date curentDate = new Date();
        Date beforeNDaysDateTime = DateUtil.addDate(curentDate, 0, 0, 0 - n, 0, 0, 0, 0);
        String currentDate = sdf.format(beforeNDaysDateTime);
        String todatBeforeNDaysDateTime = currentDate + " 00:00:00";
        return todatBeforeNDaysDateTime;
    }

    /**
     * 获取当天向前推n天的日期
     *
     * @param n
     * @return
     */
    public static String getCurrentBeforeNDate(int n) {
        DateFormat sdf = new SimpleDateFormat(DATE_FORMAT_YYYY_MM_DD);
        Date curentDate = new Date();
        Date beforeNDaysDateTime = DateUtil.addDate(curentDate, 0, 0, 0 - n, 0, 0, 0, 0);
        String currentDate = sdf.format(beforeNDaysDateTime);
        return currentDate;
    }

    /**
     * 获取给定日期向前推n天的日期
     *
     * @param n
     * @return
     */
    public static String getDateBeforeNDate(Date date,int n) {
        DateFormat sdf = new SimpleDateFormat(DATE_FORMAT_YYYYMMDD);
        Date beforeNDaysDateTime = DateUtil.addDate(date, 0, 0, 0 - n, 0, 0, 0, 0);
        String resultDate = sdf.format(beforeNDaysDateTime);
        return resultDate;
    }


    /**
     * 获取指定时间的那天 00:00:00 的时间,返回格式yyyy-MM-dd HH:mm:ss
     *
     * @param date
     * @return
     */
    public static String getDayBeginTimeS(final Date date) {
        SimpleDateFormat df = new SimpleDateFormat(DATE_TIME_FORMAT_YYYY_MM_DD_HH_MI_SS);
        Calendar c = Calendar.getInstance();
        c.setTime(date);
        c.set(Calendar.HOUR_OF_DAY, 0);
        c.set(Calendar.MINUTE, 0);
        c.set(Calendar.SECOND, 0);
        c.set(Calendar.MILLISECOND, 0);
        return df.format(c.getTime());
    }

    /**
     * 获取指定时间的那天 23:59:59的时间,返回格式yyyy-MM-dd HH:mm:ss
     *
     * @param date
     * @return
     */
    public static String getDayEndTimeS(final Date date) {
        SimpleDateFormat df = new SimpleDateFormat(DATE_TIME_FORMAT_YYYY_MM_DD_HH_MI_SS);
        Calendar c = Calendar.getInstance();
        c.setTime(date);
        c.set(Calendar.HOUR_OF_DAY, 23);
        c.set(Calendar.MINUTE, 59);
        c.set(Calendar.SECOND, 59);
        c.set(Calendar.MILLISECOND, 999);
        return df.format(c.getTime());
    }


    /**
     * 将20191203143836的String时间转化为以毫秒为单位的时间戳(String)
     *
     * @param dateTime
     * @return
     */
    public static String fromTimeToTimestampMs(String dateTime) {
        SimpleDateFormat simpleDateFormat = new SimpleDateFormat(DATE_TIME_FORMAT_YYYY_MM_DD_HH_MI_SS);
        try {
            Date date = simpleDateFormat.parse(dateTime);
            long ts = date.getTime();
            String res = String.valueOf(ts);
            return res;
        } catch (ParseException e) {
            e.printStackTrace();
        }
        return null;
    }

    /**
     * 将以毫秒为单位的时间戳(String)转化为2019-12-03 14:38:36的String时间
     *
     * @param dateTime
     * @return
     */
    public static String fromTimestampMsToTime(String dateTime) {
        String res;
        SimpleDateFormat simpleDateFormat = new SimpleDateFormat(DATE_TIME_FORMAT_YYYY_MM_DD_HH_MI_SS);
        long lt = new Long(dateTime);
        Date date = new Date(lt);
        res = simpleDateFormat.format(date);
        return res;
    }

    /**
     * 将String转换为Date
     *
     * @param dateTime
     * @return
     */
    public static Date stringToDate(String dateTime) {
        SimpleDateFormat fmt = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        try {
            Date date = fmt.parse(dateTime);
            return date;
        } catch (ParseException e) {
            e.printStackTrace();
        }
        return null;
    }

    /**
     * 将String转换为String
     *
     * @param dateTime
     * @param fromFormat
     * @param Toformat
     * @return
     */
    public static String stringToString(String dateTime, String fromFormat, String Toformat) {
        SimpleDateFormat fmt = new SimpleDateFormat(fromFormat);
        try {
            Date date = fmt.parse(dateTime);
            return parseDateToStr(date, Toformat);
        } catch (ParseException e) {
            e.printStackTrace();
        }
        return null;
    }

    public static java.sql.Date getSqlYesterday() {
        return addSqlDates((Date)(new Date()), -1);
    }

    public static java.sql.Date addSqlDates(Date date, int num) {
        return new java.sql.Date(addDays(date, num).getTime());
    }

    public static Integer formatDate(Date date) {
        return Integer.parseInt(formatDate(date, "yyyyMMdd"));
    }

    public static String formatDate(Date date, String pattern) {
        String result = "";
        if (null != date) {
            SimpleDateFormat sdf = new SimpleDateFormat(pattern);
            result = sdf.format(date);
        }

        return result;
    }

}