之前项目用到的一些时间的处理
public static final SimpleDateFormat DATE_FORMAT_DATE = new SimpleDateFormat("yyyy-MM-dd"); public static final SimpleDateFormat DATE_FORMAT_DATE_NO = new SimpleDateFormat("yyyyMMdd"); public static final SimpleDateFormat DATETIME_FORMAT_DATE = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); public static final SimpleDateFormat DATETIME_FORMAT_DATE_NO = new SimpleDateFormat("yyyyMMddHHmmss"); public static final SimpleDateFormat DATETIME_FORMAT_DATE_no = new SimpleDateFormat("yyyy-MM-dd HH:mm"); // public static final SimpleDateFormat DATETIME_FORMAT_DATE_MS = // new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS"); public static final SimpleDateFormat MONTH_FORMAT = new SimpleDateFormat("yyyyMM"); public static final SimpleDateFormat FORMAT_DATE = new SimpleDateFormat("MMdd"); public static final SimpleDateFormat FORMAT_MONTH = new SimpleDateFormat("MM"); public static final SimpleDateFormat FORMAT_YEAR = new SimpleDateFormat("yyyy"); /** * 获取某月第一天 * * @param time 日期时间 201801 * @return * @throws Exception */ public static String monthFirstDay(String time,SimpleDateFormat simpleDateFormat) throws Exception { Calendar calendar = Calendar.getInstance(); // 设置时间,当前时间不用设置 calendar.setTime(TimeUtils.MONTH_FORMAT.parse(time)); // 设置日期为本月最大日期 // calendar.set(Calendar.DATE, calendar.getActualMaximum(Calendar.DATE)); calendar.set(Calendar.DATE, calendar.getActualMinimum(Calendar.DATE)); // 打印 return simpleDateFormat.format(calendar.getTime()); } /** * @param date * @param dateFormat * @return */ public static String formatDateByPattern(Date date, String dateFormat) { SimpleDateFormat sdf = new SimpleDateFormat(dateFormat); String formatTimeStr = null; if (date != null) { formatTimeStr = sdf.format(date); } return formatTimeStr; } public static long getDistanceTimes(String str1, String str2) { DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm: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); hour = (diff / (60 * 60 * 1000)); // 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(); } return hour; } public static long getDistanceTimes(String str1, String str2, String type) { DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); Date one; Date two; long value = 0; 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); hour = (diff / (60 * 60 * 1000)); // min = ((diff / (60 * 1000)) - day * 24 * 60 - hour * 60); min = (diff / (60 * 1000)); // sec = (diff / 1000 - day * 24 * 60 * 60 - hour * 60 * 60 - min * 60); sec = (diff / 1000); } catch (ParseException e) { e.printStackTrace(); } if ("day".equals(type)) { value = day; } if ("hour".equals(type)) { value = hour; } if ("min".equals(type)) { value = min; } if ("sec".equals(type)) { value = sec; } return value; } /** * 获取某月最后一天 * * @param time * @return * @throws Exception */ public static String monthLastDay(String time) throws Exception { Calendar calendar = Calendar.getInstance(); // 设置时间,当前时间不用设置 calendar.setTime(TimeUtils.MONTH_FORMAT.parse(time)); // 设置日期为本月最大日期 calendar.set(Calendar.DATE, calendar.getActualMaximum(Calendar.DATE)); // calendar.set(Calendar.DATE,calendar.getActualMinimum(Calendar.DATE)); // 打印 return TimeUtils.DATE_FORMAT_DATE_NO.format(calendar.getTime()); } /** * 根据指定日期 需要减去的天数 获取前一天的新日期 * * @param date 日期 2016-5-17 * @return 2016-5-16 */ public static Date getLastDay(Date date) { Calendar calendar = Calendar.getInstance(); calendar.setTime(date); calendar.add(Calendar.DAY_OF_MONTH, -1); date = calendar.getTime(); return date; } /** * 根据指定日期 需要减去的天数 获取后一天的新日期 * * @param date 日期 2016-5-17 * @return 2016-5-16 */ public static Date getNextDay(Date date) { Calendar calendar = Calendar.getInstance(); calendar.setTime(date); calendar.add(Calendar.DAY_OF_MONTH, 1); date = calendar.getTime(); return date; } /** * 根据指定日期 需要减去的月数 获取减去或添加月数后的新日期 * * @param date 日期 2016-5-17 * @param i 减去的月数 1 * @return 2016-4-17 */ public static Date getLastDate(Date date, int i) { Calendar cal = Calendar.getInstance(); cal.setTime(date); cal.add(Calendar.MONTH, i); return cal.getTime(); } /** * 根据指定日期 需要减去的天数 获取减去或添加天数后的新日期 * * @param date 日期 2016-5-17 * @param i 减去的天数 7 * @return 2016-5-10 */ public static Date getLastDateByDay(Date date, int i) { Calendar cal = Calendar.getInstance(); cal.setTime(date); cal.add(Calendar.DAY_OF_MONTH, i); return cal.getTime(); } /** * long time to string * * @param timeInMillis * @param dateFormat * @return */ public static String getTime(long timeInMillis, SimpleDateFormat dateFormat) { return dateFormat.format(new Date(timeInMillis)); } /** * long time to string, format is {@link #} * * @param timeInMillis * @return */ public static String getTime(long timeInMillis) { return getTime(timeInMillis, DATETIME_FORMAT_DATE); } /** * get current time in milliseconds * * @return */ public static long getCurrentTimeInLong() { return System.currentTimeMillis(); } public static int getCurrentYear() { Calendar cal = Calendar.getInstance(); int year = cal.get(Calendar.YEAR); return year; } public static int getCurrentMonth() { Calendar cal = Calendar.getInstance(); int month = cal.get(Calendar.MONTH) + 1; return month; } public static int getCurrentDay() { Calendar cal = Calendar.getInstance(); int day = cal.get(Calendar.DATE); return day; } /** * get current time in milliseconds, format is {@link #} * * @return */ public static String getCurrentTimeInString() { return getTime(getCurrentTimeInLong()); } /** * get current time in milliseconds * * @return */ public static String getCurrentTimeInString(SimpleDateFormat dateFormat) { return getTime(getCurrentTimeInLong(), dateFormat); } /** * @param :@param firstStr * @param :@param secondStr @Title: compareDateTime @Description: 比较日期大小 */ public static boolean compareDateTime( String firstStr, String secondStr, SimpleDateFormat simpleDateFormat) { Date firstDate = null; Date secondDate = null; try { firstDate = simpleDateFormat.parse(firstStr); secondDate = simpleDateFormat.parse(secondStr); } catch (ParseException e) { e.printStackTrace(); } if (firstDate == null || secondDate == null) { return false; } long firstLongTime = firstDate.getTime(); long secondLongTime = secondDate.getTime(); if (firstLongTime >= secondLongTime) { return false; } else { return true; } } /** * 几天前 * * @param beforDay * @param simpleDateFormat * @return */ public static String getTimeBeforDay(int beforDay, SimpleDateFormat simpleDateFormat) { Calendar c = Calendar.getInstance(); int day = c.get(Calendar.DAY_OF_MONTH) - beforDay; c.set(Calendar.DAY_OF_MONTH, day); return simpleDateFormat.format(c.getTime()); } /** * 某日的几天前 * * @param beforDay * @param simpleDateFormat * @return */ public static String getTimeBefore(int beforDay, String date, SimpleDateFormat simpleDateFormat) throws Exception { Date days = simpleDateFormat.parse(date); Calendar c = Calendar.getInstance(); c.setTime(days); int day = c.get(Calendar.DAY_OF_MONTH) - beforDay; c.set(Calendar.DAY_OF_MONTH, day); return simpleDateFormat.format(c.getTime()); } /** * 某日的x小时前 * * @param afterHour * @param date * @param simpleDateFormat * @return */ public static String getHourAfter( double afterHour, String date, SimpleDateFormat simpleDateFormat) throws Exception { Date days = simpleDateFormat.parse(date); Calendar c = Calendar.getInstance(); c.setTime(days); int a_hour = (int) Math.floor(afterHour); int a_min = (int) (60 * (afterHour - a_hour)); int hour = c.get(Calendar.HOUR) + a_hour; int min = c.get(Calendar.MINUTE) + a_min; c.set(Calendar.HOUR, hour); c.set(Calendar.MINUTE, min); return simpleDateFormat.format(c.getTime()); } /** * 某日的x前 * * @param before * @param date * @param simpleDateFormat * @param type * @return */ public static String getTimeBeforeByType(int before, String date, SimpleDateFormat simpleDateFormat,String type) throws Exception { Date days = simpleDateFormat.parse(date); Calendar c = Calendar.getInstance(); c.setTime(days); if ("month".equals(type)) { c.add(Calendar.MONTH, before); }else if ("year".equals(type)) { c.add(Calendar.YEAR, before); } return simpleDateFormat.format(c.getTime()); } /** * 获取两个日期相差天数 * * @param date1 * @param date2 * @return * @throws ParseException */ public static int calculateDateInDay( String date1, String date2, SimpleDateFormat simpleDateFormat) throws ParseException { Date now = simpleDateFormat.parse(date1); Date date = simpleDateFormat.parse(date2); long l = now.getTime() - date.getTime(); long day = l / (24 * 60 * 60 * 1000); return (int) day; } /** * 获取两个日期相差小时数 * * @param date1 * @param date2 * @param simpleDateFormat * @return * @throws ParseException */ public static int calculateDateInHour( String date1, String date2, SimpleDateFormat simpleDateFormat) throws ParseException { Date now = simpleDateFormat.parse(date1); Date date = simpleDateFormat.parse(date2); long l = now.getTime() - date.getTime(); long day = l / (60 * 60 * 1000); return (int) day; } /** * 某日所属的周一到周日 * * @param date (yyyy-MM-dd) * @return * @throws Exception */ public static String getWeek(String date) throws Exception { Date time = TimeUtils.DATE_FORMAT_DATE.parse(date); Calendar cal = Calendar.getInstance(); cal.setTime(time); //判断要计算的日期是否是周日,如果是则减一天计算周六的,否则会出问题,计算到下一周去了 int dayWeek = cal.get(Calendar.DAY_OF_WEEK); //获得当前日期是一个星期的第几天 if (1 == dayWeek) { cal.add(Calendar.DAY_OF_MONTH, -1); } cal.setFirstDayOfWeek(Calendar.MONDAY); //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 int day = cal.get(Calendar.DAY_OF_WEEK); //获得当前日期是一个星期的第几天 cal.add(Calendar.DATE, cal.getFirstDayOfWeek() - day); //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 String monday = TimeUtils.DATE_FORMAT_DATE.format(cal.getTime()); cal.add(Calendar.DATE, 1); String tuesday = TimeUtils.DATE_FORMAT_DATE.format(cal.getTime()); cal.add(Calendar.DATE, 1); String wednesday = TimeUtils.DATE_FORMAT_DATE.format(cal.getTime()); cal.add(Calendar.DATE, 1); String thursday = TimeUtils.DATE_FORMAT_DATE.format(cal.getTime()); cal.add(Calendar.DATE, 1); String friday = TimeUtils.DATE_FORMAT_DATE.format(cal.getTime()); cal.add(Calendar.DATE, 1); String saturday = TimeUtils.DATE_FORMAT_DATE.format(cal.getTime()); cal.add(Calendar.DATE, 1); String sunday = TimeUtils.DATE_FORMAT_DATE.format(cal.getTime()); return monday + "," + tuesday + "," + wednesday + "," + thursday + "," + friday + "," + saturday + "," + sunday; } /** * 指定日期属于星期几 * * @return */ public static int dayForWeek(String date) throws Exception { Date time = TimeUtils.DATE_FORMAT_DATE.parse(date); Calendar cal = Calendar.getInstance(); cal.setTime(time); int dayForWeek = 0; if (cal.get(Calendar.DAY_OF_WEEK) == 1) { dayForWeek = 7; } else { dayForWeek = cal.get(Calendar.DAY_OF_WEEK) - 1; } return dayForWeek; } public static int dayForWeek_(String pTime) { SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd"); Calendar c = Calendar.getInstance(); c.setFirstDayOfWeek(Calendar.MONDAY); try { c.setTime(format.parse(pTime)); } catch (ParseException e) { e.printStackTrace(); } int dayForWeek = 0; if (c.get(Calendar.DAY_OF_WEEK) == 1) { dayForWeek = 7; } else { dayForWeek = c.get(Calendar.DAY_OF_WEEK) - 1; } return dayForWeek - 1; } public static Map getFirstday_Lastday_Month(Date date) { SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd"); Calendar calendar = Calendar.getInstance(); calendar.setTime(date); calendar.add(Calendar.MONTH, -1); Date theDate = calendar.getTime(); //上个月第一天 GregorianCalendar gcLast = (GregorianCalendar) Calendar.getInstance(); gcLast.setTime(theDate); gcLast.set(Calendar.DAY_OF_MONTH, 1); String day_first = df.format(gcLast.getTime()); StringBuffer str = new StringBuffer().append(day_first).append(" 00:00:00"); day_first = str.toString(); //上个月最后一天 calendar.add(Calendar.MONTH, 2); //加一个月 calendar.set(Calendar.DATE, 1); //设置为该月第一天 calendar.add(Calendar.DATE, -1); //再减一天即为上个月最后一天 String day_last = df.format(calendar.getTime()); StringBuffer endStr = new StringBuffer().append(day_last); day_last = endStr.toString(); Map map = new HashMap(); map.put("first", day_first); map.put("last", day_last); return map; } //获取该日期所属月份的最后一天日期"2012-05-02" public static String getLastDateByDate(String getDate) { String last = null; try { SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd"); String str = getDate; Date date = df.parse(str); Map map = getFirstday_Lastday_Month(date); last = map.get("last").toString(); } catch (Exception e) { System.out.println(e.getMessage()); } return last; } private static Date getMonthStart(Date date) { Calendar calendar = Calendar.getInstance(); calendar.setTime(date); int index = calendar.get(Calendar.DAY_OF_MONTH); calendar.add(Calendar.DATE, (1 - index)); return calendar.getTime(); } private static Date getMonthEnd(Date date) { Calendar calendar = Calendar.getInstance(); calendar.setTime(date); calendar.add(Calendar.MONTH, 1); int index = calendar.get(Calendar.DAY_OF_MONTH); calendar.add(Calendar.DATE, (-index)); return calendar.getTime(); } //获取该月下的所有日期 public static List<String> getMonthAllDays(String getDate) { List<String> dateList = new ArrayList(); try { SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd"); String str = getDate; Date d = sdf.parse(str); // 月初 //System.out.println("月初" + sdf.format(getMonthStart(d))); // 月末 //System.out.println("月末" + sdf.format(getMonthEnd(d))); Date date = getMonthStart(d); Date monthEnd = getMonthEnd(d); while (!date.after(monthEnd)) { dateList.add(sdf.format(date)); date = getNextDay(date); } } catch (Exception e) { System.out.println(e.getMessage()); } return dateList; } /** * Get the Dates between Start Date and End Date. * * @param p_start Start Date * @param p_end End Date * @return Dates List */ public static List<String> getDates(Calendar p_start, Calendar p_end,String type) { List<String> result = new ArrayList<String>(); Calendar temp = p_start; p_end.add(Calendar.DAY_OF_YEAR, 1); while (temp.before(p_end)) { result.add(DATE_FORMAT_DATE.format(temp.getTime())); if ("month".equals(type)){ temp.add(Calendar.MONTH, 1); }else { temp.add(Calendar.DAY_OF_YEAR, 1); } } return result; } /** * 获取两个日期内的日期 * * @param startDate * @param endDate * @return */ public static List<String> getDaysByTwoDate(String startDate, String endDate, String type) { List<String> dates = new ArrayList(); try { Calendar dayc1 = new GregorianCalendar(); DateFormat df = new SimpleDateFormat("yyyy-MM-dd"); Date daystart = df.parse(startDate); //start_date是类似"2013-02-02"的字符串 dayc1.setTime(daystart); Calendar dayc2 = new GregorianCalendar(); Date dayend = df.parse(endDate); //start_date是类似"2013-02-02"的字符串 dayc2.setTime(dayend); dayc2.add(Calendar.MONTH, 0); dates = getDates(dayc1, dayc2, type); } catch (Exception e) { System.out.println(e.getMessage()); } return dates; } /** * 获取某日期在一年的第几周 * * @param time * @return * @throws ParseException */ public static int getYearWeek(String time) throws ParseException { Calendar ca = Calendar.getInstance(); SimpleDateFormat dsf = new SimpleDateFormat("yyyyMMdd"); Date date = dsf.parse(time); ca.setTime(date); String year = time.substring(0, 4); String startDate = year + "0101"; Date date1 = dsf.parse(startDate); Calendar ca1 = Calendar.getInstance(); ca1.setTime(date1); String NextstartDate = (Integer.parseInt(year) + 1) + "0101"; Date date2 = dsf.parse(NextstartDate); Calendar ca2 = Calendar.getInstance(); ca2.setTime(date2); int weekDay = ca1.get(Calendar.DAY_OF_WEEK); int nextWeekDay = ca2.get(Calendar.DAY_OF_WEEK); int days = ca.get(Calendar.DAY_OF_YEAR); int intervalDays = 7 - (weekDay - 2); //今年第一周有几天 int okDay = weekDay - 1; //今年的1号是星期几 int koDay = nextWeekDay - 1; //下一年的1号是星期几 if (intervalDays == 8) { intervalDays = 1; } if (okDay == 0) { okDay = 7; } if (koDay == 0) { koDay = 7; } if (okDay > 4) { if (days - intervalDays <= 0) { return getYearWeek((Integer.parseInt(year) - 1) + "1231"); } else { if (ca.get(Calendar.WEEK_OF_YEAR) == 1) { if (koDay >= 4) { return 1; } else { return (days - intervalDays - 1) / 7 + 1; } } else { return (days - intervalDays - 1) / 7 + 1; } } } else { if (days - intervalDays <= 0) { return 1; } else { if (ca.get(Calendar.WEEK_OF_YEAR) == 1) { if (koDay >= 4) { return (days - intervalDays - 1) / 7 + 2; } else { return 1; } } else { return (days - intervalDays - 1) / 7 + 2; } } } } public static String convertTime(String time) throws Exception { SimpleDateFormat format = new SimpleDateFormat("yyyyMMdd"); Calendar c = new GregorianCalendar(); c.setFirstDayOfWeek(Calendar.MONDAY); c.setMinimalDaysInFirstWeek(7); c.setTime(format.parse(time)); String a_time_Y = String.valueOf(c.get(Calendar.YEAR)); String a_time_W; String a_time_M; if (TimeUtils.getYearWeek(time) >= 10) { a_time_W = String.valueOf(TimeUtils.getYearWeek(time)); } else { a_time_W = "0" + String.valueOf(TimeUtils.getYearWeek(time)); } if (c.get(Calendar.MONTH) >= 9) { a_time_M = String.valueOf(c.get(Calendar.MONTH) + 1); } else { a_time_M = "0" + String.valueOf(c.get(Calendar.MONTH) + 1); } String a_time_D = time.substring(6); return a_time_Y + "," + a_time_M + "," + a_time_W + "," + a_time_D; } /** 判断当前时间是否在指定时间之内 开始时间为空 false 结束时间为空 >=开始时间 true 开始时间结束时间不为空 >=开始时间 <= 结束时间 true */ public static boolean timeRange(String start_time, String end_time) throws Exception { long time = System.currentTimeMillis(); boolean is_ture = false; if (StringUtils.isNull(start_time)) { return is_ture; } if (StringUtils.isNull(end_time)) { is_ture = time >= TimeUtils.DATETIME_FORMAT_DATE.parse(start_time).getTime(); return is_ture; } is_ture = time >= TimeUtils.DATETIME_FORMAT_DATE.parse(start_time).getTime() && time <= TimeUtils.DATETIME_FORMAT_DATE.parse(end_time).getTime(); return is_ture; } // 判断 yyyyMMdd 是否为当天 public static boolean isTheDay(String day) { day = day.substring(4); String time = TimeUtils.getCurrentTimeInString(TimeUtils.FORMAT_DATE); if (day.equals(time)) { return true; } return false; } // 判断 yyyyMMdd 是否为当月 public static boolean isTheMonth(String day) { String time = TimeUtils.getCurrentTimeInString(TimeUtils.FORMAT_MONTH); day = day.substring(4, 6); if (day.equals(time)) { return true; } return false; } // 判断 当前年是否大于 day public static boolean BTheYear(String day) { String time = TimeUtils.getCurrentTimeInString(TimeUtils.FORMAT_YEAR); if (Integer.parseInt(time) > Integer.parseInt(day)) { return true; } return false; } public static String getBeforeTime(int i) { Date date = new Date(); Calendar dar = Calendar.getInstance(); dar.setTime(date); SimpleDateFormat dft = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); dar.add(java.util.Calendar.HOUR_OF_DAY, i); return dft.format(dar.getTime()); } public static void main(String[] args) throws Exception { long a = 1539745006; // SimpleDateFormat SimpleDateFormatdft = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); // Date date = new Date(); // Calendar dar = Calendar.getInstance(); // dar.setTime(date); // System.out.println(SimpleDateFormatdft.format(dar.getTime())); // SimpleDateFormat dft = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); // dar.setTime(date); // dar.add(java.util.Calendar.HOUR_OF_DAY, -2); // System.out.println(dft.format(dar.getTime())); // dar.add(java.util.Calendar.HOUR_OF_DAY, 2); System.out.println(TimeUtils.getTime(a*1000)); // String AcceptTime = "2018-09-08 20:10:11"; //// Date date = TimeUtils.DATE_FORMAT_DATE.parse(AcceptTime); //// String Accep = TimeUtils.DATETIME_FORMAT_DATE.format(date); // String _ = TimeUtils.getCurrentTimeInString(TimeUtils.DATETIME_FORMAT_DATE); // int c = TimeUtils.calculateDateInDay(_, AcceptTime, TimeUtils.DATETIME_FORMAT_DATE); // System.out.println("c: " + c); // String time = TimeUtils.getCurrentTimeInString(TimeUtils.DATE_FORMAT_DATE); // System.out.println(getWeek(time)); //// //// System.out.println(time); //// System.out.println(TimeUtils.getLongTime(time, TimeUtils.DATETIME_FORMAT_DATE_MS)); // // System.out.println("lllllll:"+compareDateTime("2016-02-30","2016-04-31",TimeUtils.DATE_FORMAT_DATE)); /*SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd"); String str = "2016-02-10"; Date d = sdf.parse(str); // 月初 System.out.println("月初" + sdf.format(getMonthStart(d))); // 月末 System.out.println("月末" + sdf.format(getMonthEnd(d))); Date date = getMonthStart(d); Date monthEnd = getMonthEnd(d); while (!date.after(monthEnd)) { System.out.println(sdf.format(date)); date = getNextDay(date); }*/ /*System.out.println(TimeUtils.compareDateTime("2016-08-04","2016-08-04",TimeUtils.DATE_FORMAT_DATE));*/ /* List<String> dates = getDaysByTwoDate("2013-02-22","2013-03-15"); int i = 0; while (i < dates.size()){ System.out.println(dates.get(i)); i++; }*/ /*String name = "~!@#$%&*".equals("~!@#$%&*")?"1":"2"; System.out.println(name); Calendar calendar = Calendar.getInstance(); calendar.setTime(new Date()); calendar.add(Calendar.DAY_OF_WEEK, 0); int index = calendar.get(Calendar.DAY_OF_WEEK); System.out.println(TimeUtils.getDateStr(calendar.getTime(),TimeUtils.DATE_FORMAT_DATE)); String timeStap = ""+System.currentTimeMillis(); timeStap = timeStap.substring(0,10); System.out.print(timeStap); String abc = null; if(!"".equals(abc) && null != abc){ abc = "123"; } System.out.println("abc:"+abc); */ // int i = "1999.01".compareTo("2000.00"); // System.out.println("==i==" + i); // String sign = MD5Util.getMD5Str32("yEylBIxsQbNznEPjzEx5vRbyEL5a7Xo9" + "1469257687" + "BNk9PYqmJ").toUpperCase(); // System.out.println("==i==" + sign); // String[] split = ("C10120,121".split(",")); // List corp_list = Arrays.asList(split); // System.out.println("==i==" + corp_list.size()); // System.out.println("==i==" + corp_list); // String corp_code = "121"; // if (corp_list.contains(corp_code)) { // System.out.println("==i==" + corp_code); // } // // List<String> list = new ArrayList<String>(); // list.add("草莓"); //向列表中添加数据 // list.add("香蕉"); //向列表中添加数据 // list.add("菠萝"); //向列表中添加数据 // for (int i = 0; i < list.size(); i++) { //通过循环输出列表中的内容 // System.out.println(i + ":" + list.get(i)); // } // String o = "苹果"; // System.out.println("list对象中是否包含元素" + o + ":" + list.contains(o)); // LocalDateTime currentTime = LocalDateTime.now(); // System.out.println("当前时间: " + currentTime); // // LocalDate date1 = currentTime.toLocalDate(); // System.out.println("date1: " + date1); // // Month month = currentTime.getMonth(); // int day = currentTime.getDayOfMonth(); // int seconds = currentTime.getSecond(); // // System.out.println("月: " + month.getValue() + ", 日: " + day + ", 秒: " + seconds); // // LocalDateTime date2 = currentTime.withDayOfMonth(10).withYear(2012); // System.out.println("date2: " + date2); // // // 12 december 2014 // LocalDate date3 = LocalDate.of(2014, Month.DECEMBER, 12); // System.out.println("date3: " + date3); // // // 22 小时 15 分钟 // LocalTime date4 = LocalTime.of(22, 15); // System.out.println("date4: " + date4); // // // 解析字符串 // LocalTime date5 = LocalTime.parse("20:15:30"); // System.out.println("date5: " + date5); } public static LocalDateTime parse(String date_time_str, String format) { LocalDateTime ldt = null; if (StringUtils.isNull(date_time_str)) { return ldt; } if (StringUtils.isNull(format)) { format = "yyyy-MM-dd HH:mm:ss"; } ldt = LocalDateTime.parse(date_time_str, DateTimeFormatter.ofPattern(format)); return ldt; } public static String getCron(Date date) { String dateFormat = "ss mm HH dd MM ? yyyy"; return formatDateByPattern(date, dateFormat); } public static LocalDate parse(String date_str) { LocalDate ld = null; try { ld = LocalDate.parse(date_str); } catch (Exception e) { log.error(" error:" + e.getLocalizedMessage(), e); throw new CommonException("时间转换失败"); } return ld; } public static String getWeekOfYear(String date_str) { int week = 0; if (StringUtils.isNull(date_str)) { throw new CommonException("时间不能为空"); } Date date = null; try { date = DATE_FORMAT_DATE.parse(date_str); } catch (Exception e) { log.error(" error:" + e.getLocalizedMessage(), e); throw new CommonException("时间格式有误"); } Calendar calendar = Calendar.getInstance(); calendar.setMinimalDaysInFirstWeek(4); calendar.setFirstDayOfWeek(Calendar.MONDAY); calendar.setTime(date); week = calendar.get(Calendar.WEEK_OF_YEAR); String week_no = null; if (week < 10) { week_no = "0" + week; } else { week_no = week + ""; } int year = calendar.getWeekYear(); return year + "-" + week_no; }