public final static String patternTime1 = "yyyy-MM-dd HH:mm:ss"; public final static String patternTime2 = "yyyy-MM-dd"; public final static String patternTime3 = "MM-dd"; public final static String patternTime4 = "MM-dd HH:mm"; public final static String patternTime5 = "yyyy-MM"; public final static String patternTime6 = "HH:mm"; public final static String patternTime7 = "M月"; public final static String patternTime8 = "yyyy-MM-dd HH"; public final static String patternTime9 = "yyyy-MM-dd HH:mm"; public final static String patternTime10 = "yyyy/MM/dd HH:mm:ss"; public final static String Replace = "0"; public final static String SUFFIX = ":00"; /** * 获取指定日期 * * @param patternTime 时间格式 * @return 返回时间 */ public static String getNowTime(String patternTime, int number) { return LocalDateTime.now().plusDays(number).format(DateTimeFormatter.ofPattern(patternTime)); } /** * 获取当天之前的几天日期,不包括当天 * * @param number 日期数目 * @return 返回日期数组 */ public static List<String> takeDateByNumberForShow(int number, String pattern) { List<String> dateList = new ArrayList<>(); DateFormat simpleDateFormat = new SimpleDateFormat(pattern); for (int i = number; i > 0; i--) { Calendar calendar = Calendar.getInstance(); calendar.add(Calendar.DAY_OF_MONTH, -i); String itemDate = simpleDateFormat.format(calendar.getTime()); dateList.add(itemDate); } return dateList; } /** * 获取当天之前的几天日期,包含当天 * * @param number 日期数目 * @return 返回日期数组 */ public static List<String> takeCurrentDateByNumber(int number, String pattern) { List<String> dateList = new ArrayList<>(); DateFormat simpleDateFormat = new SimpleDateFormat(pattern); for (int i = number; i >= 0; i--) { Calendar calendar = Calendar.getInstance(); calendar.add(Calendar.DAY_OF_MONTH, -i); String itemDate = simpleDateFormat.format(calendar.getTime()); dateList.add(itemDate); } return dateList; } /** * 获取距离当前月的指定月份数 */ public static List<String> takeMonth(int mon, String pattern) { List<String> list = new ArrayList<>(); for (int i = mon; i >= 0; i--) { SimpleDateFormat sdf = new SimpleDateFormat(pattern); Calendar c = Calendar.getInstance(); c.setTime(new Date()); c.add(Calendar.MONTH, -i); Date date = c.getTime(); list.add(sdf.format(date)); } return list; } // <E> ArrayList<E> /** * 获取距离当前月的指定月份 */ public static String takeSpecifiedMonth(int mon, String pattern) { SimpleDateFormat sdf = new SimpleDateFormat(pattern); Calendar c = Calendar.getInstance(); c.setTime(new Date()); c.add(Calendar.MONTH, -mon); Date date = c.getTime(); return sdf.format(date); } /** * 获取月份的时间间隔 {2021-05-01,2021-06-01},{2021-06-01,2021-07-01} */ public static LinkedHashMap<String, String> getMonthIntervalTimes() { LinkedHashMap<String, String> map = new LinkedHashMap<>(); List<String> months = takeMonth(5, patternTime5); for (int i = 0; i < months.size() - 1; i++) { map.put(months.get(i), months.get(i + 1)); } return map; } /** * 获取距离当前时间多少分钟 */ public static String getPushMinutesTimes(int minutes) { return LocalDateTime.now().plusMinutes(minutes).format(DateTimeFormatter.ofPattern(DateUtils.patternTime1)); } /** * 获取当前时间以10分钟为间隔的多个时间 eg: 23:10 23:20 23:30 */ public static List<String> getTenIntervalTimes(int num, String pattern, String suffix) { List<String> list = new ArrayList<>(); for (int i = num; i >= 0; i--) { LocalDateTime dateTime = LocalDateTimeUtil.offset(LocalDateTime.now(), -10L * i, ChronoUnit.MINUTES); String str = dateTime.format(DateTimeFormatter.ofPattern(pattern)); StringBuilder sb = new StringBuilder(str); sb.replace(sb.length() - 1, sb.length(), Replace); if (suffix == null) { list.add(sb.toString()); } else { list.add(dateTime.format(DateTimeFormatter.ofPattern(patternTime2)) + " " + sb.toString() + suffix); } } return list; } /** * 获取10分钟的时间间隔 {2021-05-23 23:10=2021-05-23 23:20} */ public static LinkedHashMap<String, String> getTenIntervalTimes() { LinkedHashMap<String, String> map = new LinkedHashMap<>(); List<String> intervalTimes = getTenIntervalTimes(5, patternTime6, SUFFIX); for (int i = 0; i < intervalTimes.size() - 1; i++) { map.put(intervalTimes.get(i), intervalTimes.get(i + 1)); } return map; } /** * 获取指定日期开始时间 xxxx-xx-xx 00:00:00 * * @param number 离本日天数 */ public static String dayStart(int number) { return LocalDateTime.of(LocalDate.now().plusDays(number), LocalTime.MIN) .format(DateTimeFormatter.ofPattern(patternTime1)); } /** * 获取指定日期结束时间 xxxx-xx-xx 23:59:59 */ public static String dayEnd(int number) { return LocalDateTime.of(LocalDate.now().plusDays(number), LocalTime.MAX) .format(DateTimeFormatter.ofPattern(patternTime1)); } /** * 日期格式化 */ public static String dateToString(Date date, String pattern) { return new SimpleDateFormat(pattern).format(date); } /** * 日期格式转换成 Y/M/D/00:00:00格式 */ public static Date formatYMDTime(Date date) { SimpleDateFormat sdf = new SimpleDateFormat(DateUtils.patternTime2); try { String dateStr = dateToString(date, DateUtils.patternTime2); Date parse = sdf.parse(dateStr, new ParsePosition(0)); return parse; } catch (Exception e) { e.printStackTrace(); } return null; } /** * 日期增加count天 */ public static Date addCountByDay(Date date, Integer count) { try { Calendar cal = Calendar.getInstance(); cal.setTime(date); cal.add(Calendar.DATE, count); return cal.getTime(); } catch (Exception e) { e.printStackTrace(); } return null; } private static Long takeStartTime(Calendar todayStart) { todayStart.set(Calendar.HOUR_OF_DAY, 0); todayStart.set(Calendar.MINUTE, 0); todayStart.set(Calendar.SECOND, 1); todayStart.set(Calendar.MILLISECOND, 1); return todayStart.getTime().getTime(); } private static Long takeEndTime(Calendar todayStart) { todayStart.set(Calendar.HOUR_OF_DAY, 23); todayStart.set(Calendar.MINUTE, 59); todayStart.set(Calendar.SECOND, 59); todayStart.set(Calendar.MILLISECOND, 999); return todayStart.getTime().getTime(); } /** * 非标准时间格式化 */ public static String formatDtime(String time) { String[] ts = time.split("T"); String sub = ts[1].substring(0, 8); return ts[0] + " " + sub; } /** * 非标准时间格式化 */ public static Date formatDate(String time) { try { SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); String[] ts = time.split("T"); String sub = ts[1].substring(0, 8); return sdf.parse(ts[0] + " " + sub); } catch (Exception e) { e.printStackTrace(); } return null; } public static String formateTimeStamp(Long time) { SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd"); return sdf.format(new Date(Long.parseLong(String.valueOf(time)))); } // 获取第二天整点 public static Date nextDay(int i) { Date date = formatYMDTime(new Date()); Calendar calendar = Calendar.getInstance(); if (date != null) { calendar.setTime(date); calendar.add(Calendar.DAY_OF_MONTH, i); return calendar.getTime(); } return null; } /** * 时间戳转换成时间 */ public static String timeStampToTime(String s,String pattern) { long lt = new Long(s); return timeStampToTime(lt, pattern); } /** * 时间戳转换成时间 */ public static String timeStampToTime(Long s,String pattern) { SimpleDateFormat sdf = new SimpleDateFormat(pattern); Date date = new Date(s); return sdf.format(date); } public static String dateToTimeStamp(String data) { SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); try { Date date = sdf.parse(data); return String.valueOf(date.getTime()); } catch (Exception e) { e.printStackTrace(); } return null; } /** * 获取指定小时时间 21:00 */ public static String getBeforeByHourTime(int hour) { DateTimeFormatter dateTimeFormatter = DateTimeFormatter.ofPattern("HH:00"); //(1)获取当前时间 LocalDateTime date = LocalDateTime.now(); //(2)获取当前时间的前几小时时间 LocalDateTime localDateTime = date.minusHours(hour); return dateTimeFormatter.format(localDateTime); } public static Date takeAssignDateHour(Integer num,String pattern) { if (num == null || num == 0) { return new Date(); } SimpleDateFormat df = new SimpleDateFormat(pattern); try { String res = takeStrAssignDateHour(num, pattern); return df.parse(res); } catch (Exception e) { e.printStackTrace(); } return new Date(); } public static String takeStrAssignDateHour(Integer num,String pattern){ SimpleDateFormat df = new SimpleDateFormat(pattern); Calendar calendar = Calendar.getInstance(); calendar.set(Calendar.HOUR_OF_DAY, calendar.get(Calendar.HOUR_OF_DAY) + num); return df.format(calendar.getTime()); } public static Date strToDate(String date, String pattern){ try { SimpleDateFormat df = new SimpleDateFormat(pattern); return df.parse(date); }catch (Exception e){ e.printStackTrace(); } return new Date(); } public static String strToPatternStr(String date,String sourcePattern,String targetPattern){ try { SimpleDateFormat df = new SimpleDateFormat(sourcePattern); SimpleDateFormat df2 = new SimpleDateFormat(targetPattern); Date parse = df.parse(date); return df2.format(parse); }catch (Exception e){ e.printStackTrace(); } return getNowTime(targetPattern,0); }