DateUtil

你的名字 2022-11-21 14:49 82阅读 0赞

package com.hisense.cis.core.util;

import com.hisense.cis.core.exception.BusinessRuntimeException;

import org.apache.commons.lang3.time.DateUtils;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import java.text.ParseException;

import java.text.SimpleDateFormat;

import java.util.\*;

public class DateUtil \{

public static final SimpleDateFormat timeFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

public static final SimpleDateFormat timeFormat2 = new SimpleDateFormat("yyyy-MM-dd HH:mm");

public static final SimpleDateFormat timeFormat3 = new SimpleDateFormat("HH:mm");

public static final SimpleDateFormat timeFormat4 = new SimpleDateFormat("yyyyMMdd HH:mm");

public static final SimpleDateFormat timeFormat5 = new SimpleDateFormat("yyyyMMdd HH:mm:ss");

public static final SimpleDateFormat timeFormat6 = new SimpleDateFormat("yyyyMMddHHmmss");

public static final SimpleDateFormat timeFormat7 = new SimpleDateFormat("yyyyMMddHHmmssSSS");

public static final SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");

public static final SimpleDateFormat dateFormat2 = new SimpleDateFormat("yyyyMMdd");

public static final SimpleDateFormat dateFormat3 = new SimpleDateFormat("yyyy.MM.dd");

//新增日期格式 2020-08-14

public static final SimpleDateFormat dateFormat4 = new SimpleDateFormat("yyyy/MM/dd"); public static final SimpleDateFormat monthAndDayFormat = new SimpleDateFormat("MM/dd");

public static final SimpleDateFormat yearAndMonthFormat = new SimpleDateFormat("yyyy-MM");

public static final SimpleDateFormat yearAndMonthFormat2 = new SimpleDateFormat("yyyyMM");

public static final SimpleDateFormat yearFormat = new SimpleDateFormat("yyyyMM");

public static final SimpleDateFormat solrTimeFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'");

public static final SimpleDateFormat onlyYearFormat = new SimpleDateFormat("yyyy");

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

/\*\*

\* 获取：从指定日期开始，相隔指定【跨度月】的，最后一天（如当前3月，跨度2个月，返回5月30号）

\* @param startDate

\* @param monthDuration

\* @return

\* @author caojun1@hisense.com

\*/

public static Date getDuraMonthLastDay(Date startDate, int monthDuration) \{ if (startDate == null) \{

startDate = new Date();

Calendar lastDate = Calendar.getInstance();

lastDate.setTime(startDate);

lastDate.add(Calendar.MONTH, monthDuration + 1);// 加n个月

lastDate.set(Calendar.DATE, 1);// 把日期设置为当月第一天

lastDate.add(Calendar.DAY\_OF\_YEAR, -1);// 日期回滚一天，也就是本月最后一天

return lastDate.getTime(); \}

/\*\*

\* 获取：从指定日期开始，相隔指定跨度【月】的，第一天（如当前3月，跨度2个月，返回5月1号）

\* @param startDate

\* @param monthDuration

\* @return

\* @author caojun1@hisense.com

\*/

public static Date getDuraMonthFirstDay(Date startDate, int monthDuration) \{ if (startDate == null) \{

startDate = new Date();

Calendar lastDate = Calendar.getInstance();

lastDate.setTime(startDate);

lastDate.add(Calendar.MONTH, monthDuration);// 加n-1个月

lastDate.set(Calendar.DATE, 1);// 把日期设置为当月第一天

return lastDate.getTime(); \}

/\*\*

\* 获取：从指定日期开始，相隔指定跨度【自然周】的，最后一天

\* @param startDate

\* @param weekDuration

\* @return

\*/

public static Date getDuraWeekLastDay(Date startDate, int weekDuration) \{ if (startDate == null) \{

startDate = new Date();

Calendar lastDate = Calendar.getInstance();

lastDate.setTime(startDate);

lastDate.add(Calendar.WEEK\_OF\_YEAR, weekDuration + 1);// 加n个周

lastDate.set(Calendar.DAY\_OF\_WEEK, 1);// 把日期设置为当周第一天（上周日）

return lastDate.getTime(); \}

/\*\*

\* 获取：从指定日期开始，相隔指定跨度【自然周】的，第一天

\* @param startDate

\* @param weekDuration

\* @return

\*/

public static Date getDuraWeekFirstDay(Date startDate, int weekDuration) \{ if (startDate == null) \{

startDate = new Date();

Calendar lastDate = Calendar.getInstance();

lastDate.setTime(startDate);

lastDate.add(Calendar.WEEK\_OF\_YEAR, weekDuration);// 加n个周

lastDate.set(Calendar.DAY\_OF\_WEEK, 2);// 把日期设置为当周第二天（本周一）

return lastDate.getTime(); \}

/\*\*

\* 获取：本周的下一周的周一

\* @param startDate

\* @param weekDuration

\* @return

\*/

public static Date getNextWeekFirstDay() \{ //下周周一

Calendar cal = Calendar.getInstance(); cal.add(Calendar.WEEK\_OF\_MONTH, 1);

cal.set(Calendar.DAY\_OF\_WEEK, Calendar.MONDAY);

Date monday = cal.getTime();

return monday;

/\*\*

\* 获取：指定【跨度月】的、连续的月（其中，date的日，同为当前日）（顺序：时间倒序）

\* @param startDate 可空（空时，为当前日期）

\* @param monthDuration 可负数（负数为前n个月）

\* @return

\*/

public static List<Date> getNextMonths(Date startDate, int monthDuration) \{ if (startDate == null) \{

startDate = new Date();

List<Date> list = new ArrayList<Date>();

if (monthDuration > 0) \{

Date d;

for (int i = 1; i < monthDuration + 1; i++) \{

d = DateUtils.addMonths(startDate, i);

list.add(d);

\} else \{

Date d;

for (; monthDuration < 0; monthDuration++) \{

d = DateUtils.addMonths(startDate, monthDuration);

list.add(d);

return list;

/\*\*

\* 获取：指定【跨度周】的、连续的所有自然周（其中，date的周，同为当前周）

\* @param startDate 可空（空时，为当前日期）

\* @param weekDuration 可负数（负数为前n个周）

\* @return

\*/

public static List<Date> getNextWeeks(Date startDate, int weekDuration) \{ if (startDate == null) \{

startDate = new Date();

List<Date> list = new ArrayList<Date>();

int gap = 0;

if (weekDuration > 0) \{

gap = 1;

\} else \{

gap = -1;

weekDuration = 0 - weekDuration;

for (int i = 0; i < weekDuration; i++) \{

startDate = DateUtils.addWeeks(startDate, gap);

list.add(startDate);

return list;

/\*\*

\* monday

\* @param dateStr format yyyymmdd

\* @return

\*/

public static Date getMondayDate(Long dateStr) \{ Calendar c = Calendar.getInstance();

try \{

c.setTime(DateUtil.dateFormat2.parse(dateStr + ""));

\} catch (ParseException e) \{

log.error("date parse error @ " + dateStr, e);

throw new BusinessRuntimeException("日期@" + dateStr + "转为周一时 出现异常", "", e);

c.setFirstDayOfWeek(Calendar.MONDAY);

c.set(Calendar.DAY\_OF\_WEEK, Calendar.MONDAY);

return c.getTime();

/\*\*

\* sunday

\* @param dateStr format yyyymmdd

\* @return

\*/

public static Date getSundayDate(Long dateStr) \{ Calendar c = Calendar.getInstance();

try \{

c.setTime(DateUtil.dateFormat2.parse(dateStr + ""));

\} catch (ParseException e) \{

log.error("date parse error @ " + dateStr, e);

throw new BusinessRuntimeException("日期@" + dateStr + "转为周日时 出现异常", "", e);

c.setFirstDayOfWeek(Calendar.MONDAY);

c.set(Calendar.DAY\_OF\_WEEK, 7);

c.add(Calendar.DAY\_OF\_YEAR, 1);

Date sunday = c.getTime();

return sunday;

/\*\*

\* last day of month

\* @param dateStr

\* @return

\*/

public static Date getMonthEndDate(Long dateStr) \{ Calendar c = Calendar.getInstance();

try \{

c.setTime(DateUtil.dateFormat2.parse(dateStr + ""));

\} catch (ParseException e) \{

log.error("date parse error @ " + dateStr, e);

throw new BusinessRuntimeException("日期@" + dateStr + "转为周一时 出现异常", "", e);

c.add(Calendar.MONTH, 1);

c.set(Calendar.DAY\_OF\_MONTH, 1);

c.add(Calendar.DAY\_OF\_YEAR, -1);

Date monthEnd = c.getTime();

return monthEnd;

public static Date getDuraDayDate(String dateStr, int duraDays) \{

Calendar c = Calendar.getInstance();

try \{

c.setTime(DateUtil.dateFormat2.parse(dateStr));

\} catch (ParseException e) \{

log.error("date parse error @ " + dateStr, e);

throw new BusinessRuntimeException("日期@" + dateStr + "计算日期时 出现异常", "", e);

c.add(Calendar.DAY\_OF\_YEAR, duraDays);

return c.getTime();

public static Date getWfStartDate(Date date) \{

Date cur = date == null ? new Date() : date;

try \{

cur = dateFormat.parse(dateFormat.format(cur));

\} catch (ParseException e) \{

throw new BusinessRuntimeException("日期格式化出现异常", "");

Calendar curC = Calendar.getInstance();

curC.setTime(cur);

Calendar c = Calendar.getInstance();

c.setTime(cur);

c.set(Calendar.DAY\_OF\_WEEK, 4);

Date wensday = c.getTime();

if (c.after(curC)) \{

c.add(Calendar.DAY\_OF\_YEAR, -7);

return c.getTime();

return wensday;

public static Date getWfEndDate(Date date) \{

Date cur = date == null ? new Date() : date;

try \{

cur = dateFormat.parse(dateFormat.format(cur));

\} catch (ParseException e) \{

throw new BusinessRuntimeException("日期格式化出现异常", "");

Calendar curC = Calendar.getInstance();

curC.setTime(cur);

Calendar c = Calendar.getInstance();

c.setTime(cur);

c.set(Calendar.DAY\_OF\_WEEK, 4);

if (c.after(curC)) \{

c.add(Calendar.DAY\_OF\_YEAR, -1);

return c.getTime();

c.add(Calendar.DAY\_OF\_YEAR, 6);

return c.getTime();

public static String createDateSequence() \{

Date date = new Date();

return timeFormat6.format(date);

public static String createDateSequence(String prefix, String suffix) \{

Date date = new Date();

return prefix + timeFormat6.format(date) + suffix;

public static String createDateSequenceWithSuffix(String suffix) \{

Date date = new Date();

return timeFormat6.format(date) + suffix;

public static Date getEndOfToday() \{

Calendar c = Calendar.getInstance();

c.set(Calendar.HOUR\_OF\_DAY, 23);

c.set(Calendar.MINUTE, 59);

c.set(Calendar.SECOND, 59);

return c.getTime();

public static String getCurrentWeekMonday() \{

Calendar calendar = Calendar.getInstance();

int dayWeek = calendar.get(Calendar.DAY\_OF\_WEEK);

if (1 == dayWeek) \{

calendar.add(Calendar.DAY\_OF\_MONTH, -1);

calendar.set(Calendar.DAY\_OF\_WEEK, Calendar.MONDAY);

return dateFormat2.format(calendar.getTime());

public static String getLastWeekMonday() \{

Calendar calendar = Calendar.getInstance();

int dayWeek = calendar.get(Calendar.DAY\_OF\_WEEK);

if (1 == dayWeek) \{

calendar.add(Calendar.DAY\_OF\_MONTH, -1);

calendar.add(Calendar.DAY\_OF\_WEEK, -7);

calendar.set(Calendar.DAY\_OF\_WEEK, Calendar.MONDAY);

return dateFormat2.format(calendar.getTime());

/\*\*

\* 获得指定日期

\* @param date 指定日期

\* @param i 天数 (例：1 后一天，-5 前五天)

\* @return

\*/

public static Date getSpecifiedDay(Date date, int i) \{ Calendar c = Calendar.getInstance();

c.setTime(date);

int day = c.get(Calendar.DATE);

c.set(Calendar.DATE, day + i);

return c.getTime();

/\*\*

\* 获取最近几个月

\* \*/

public static List<String> getLastMonStr(String dateStr ,int num )\{ Calendar c = Calendar.getInstance();

int year = Integer.parseInt(dateStr.substring(0,4));

int month = Integer.parseInt(dateStr.substring(4));

c.set(Calendar.YEAR,year);

c.set(Calendar.MONTH,month);

c.set(Calendar.DATE,1);

List<String> result = new ArrayList<>(num);

c.add(Calendar.MONTH,-num);

for(int i =0 ; i< num ; i++)\{

Date date = c.getTime();

result.add(DateUtil.yearFormat.format(date));

c.add(Calendar.MONTH,1);

return result;

/\*\*

\* 获取下周一时间

\* @param date

\* @return

\*/

public static Date getNextWeekMonday(Date date) \{ Calendar cal = Calendar.getInstance();

cal.setTime(getThisWeekMonday(date));

cal.add(Calendar.DATE, 7);

return cal.getTime();

/\*\*

\* 获取这周周一

\* @param date

\* @return

\*/

public static Date getThisWeekMonday(Date date) \{ Calendar cal = Calendar.getInstance();

cal.setTime(date);

// 获得当前日期是一个星期的第几天

int dayWeek = cal.get(Calendar.DAY\_OF\_WEEK); if (1 == dayWeek) \{

cal.add(Calendar.DAY\_OF\_MONTH, -1);

// 设置一个星期的第一天，按中国的习惯一个星期的第一天是星期一

cal.setFirstDayOfWeek(Calendar.MONDAY); // 获得当前日期是一个星期的第几天

int day = cal.get(Calendar.DAY\_OF\_WEEK); // 根据日历的规则，给当前日期减去星期几与一个星期第一天的差值

cal.add(Calendar.DATE, cal.getFirstDayOfWeek() - day); return cal.getTime();

/\*\*

\* 字符串转日期

\* @param queryType

\* @return

\*/

public static Date tranDate(String queryType)\{ try \{

Date paramsDate = new SimpleDateFormat("yyyyMMdd").parse(queryType);

return DateUtil.getNextWeekMonday(paramsDate);

\} catch (ParseException e) \{

e.printStackTrace();

return null;

DateUtil

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