史上最全的时间工具类
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package cpcn.payment.feebatch.util;import java.text.ParseException;import java.text.SimpleDateFormat;import java.util.ArrayList;import java.util.Calendar;import java.util.Date;import java.util.List;import cpcn.payment.api.constant.fee.FeeErrorMsgConstants;import cpcn.payment.api.enumeration.jifei.CycleTypeEnum;import cpcn.payment.tool.system.CodeException;public class CalenderUtils { private final static String DATE_FORMAT = "yyyyMM"; private final static String DATE_FORMAT2 = "yyyyMMdd"; private final static String DATE_FORMAT3 = "yyyyMMddHHmmssSSS"; /** * 得到当前月 * * @return */ public static int getCurrentMonth() { Calendar calendar = Calendar.getInstance(); int month = calendar.get(Calendar.MONTH) + 1; return month; } /** * 得到当前时间:yyyyMM * * @return */ public static String getCurrentYearAndMonth() { SimpleDateFormat sdf = new SimpleDateFormat(DATE_FORMAT); return sdf.format(new Date()); } /** * 得到当前时间:yyyyMMddhhmmssSSS * * @return */ public static String getCurrentTime() { SimpleDateFormat sdf = new SimpleDateFormat(DATE_FORMAT3); return sdf.format(new Date()); } /** * 得到本日的前几个月时间 * * @return */ public static String getDateBeforeMonth(int number) { Calendar cal = Calendar.getInstance(); cal.add(Calendar.MONTH, -number); SimpleDateFormat sdf = new SimpleDateFormat(DATE_FORMAT); return sdf.format(cal.getTime()); } /** * 得到本日的前几个月时间 * * @return */ public static String getDateBeforeMonth2(int monthNumber) { Calendar cal = Calendar.getInstance(); cal.add(Calendar.MONTH, -monthNumber); cal.set(Calendar.DAY_OF_MONTH, 1); SimpleDateFormat sdf = new SimpleDateFormat(DATE_FORMAT2); String time = sdf.format(cal.getTime()); return time.concat("000000000"); } /** * 得到本日的前几个月时间的固定天数后 * * @return */ public static String getDateBeforeMonthAfterDays(int monthNumber, int dayNumber) { Calendar cal = Calendar.getInstance(); cal.add(Calendar.MONTH, -monthNumber); cal.set(Calendar.DATE, dayNumber + 1); SimpleDateFormat sdf = new SimpleDateFormat(DATE_FORMAT2); String time = sdf.format(cal.getTime()); return time.concat("000000000"); } /** * 得到周期内的时间范围 * * @return */ public static Object[] getMonthRange(int cycleType) { List<String> dates = new ArrayList<String>(); if (cycleType == CycleTypeEnum.MONTH.getValue()) { dates.add(getDateBeforeMonth2(1)); dates.add(getDateBeforeMonth2(0)); } else if (cycleType == CycleTypeEnum.QUARTER.getValue()) { dates.add(getDateBeforeMonth2(3)); dates.add(getDateBeforeMonth2(0)); } else if (cycleType == CycleTypeEnum.YEAR.getValue()) { dates.add(getDateBeforeMonth2(12)); dates.add(getDateBeforeMonth2(0)); } return dates.toArray(); } /** * 得到周期内的时间范围(到固定天数后) * * @return */ public static Object[] getMonthRangeOfFixedDays(int cycleType, int dayNumber) { List<String> dates = new ArrayList<String>(); if (cycleType == CycleTypeEnum.MONTH.getValue()) { dates.add(getDateBeforeMonth2(1)); dates.add(getDateBeforeMonthAfterDays(1, dayNumber)); } else if (cycleType == CycleTypeEnum.QUARTER.getValue()) { dates.add(getDateBeforeMonth2(3)); dates.add(getDateBeforeMonthAfterDays(3, dayNumber)); } else if (cycleType == CycleTypeEnum.YEAR.getValue()) { dates.add(getDateBeforeMonth2(12)); dates.add(getDateBeforeMonthAfterDays(12, dayNumber)); } return dates.toArray(); } /** * 得到当前月的天数 * * @return */ public static int getDaysOfLastMonth() { Calendar cal = Calendar.getInstance(); cal.add(Calendar.MONTH, -1); return cal.getActualMaximum(Calendar.DAY_OF_MONTH); } /** * 得到前n个月的天数 * * @return */ public static int getDaysBeforeMonth(int number) { Calendar cal = Calendar.getInstance(); cal.add(Calendar.MONTH, -number); return cal.getActualMaximum(Calendar.DAY_OF_MONTH); } /** * * @param number * @return 前n个月的总天数 */ public static int getTotalDaysBeforeMonth(int number) { int totalDays = 0; for (int i = number; i > 0; i--) { totalDays += getDaysBeforeMonth(i); } return totalDays; } /** * * @param startTime * endTime * @return 得到任意时间段内的总天数 */ public static int getDayCount(String startTime, String endTime) throws CodeException { try { SimpleDateFormat sdf = new SimpleDateFormat(DATE_FORMAT2); int spaceDay = (int) ((sdf.parse(endTime).getTime() - sdf.parse(startTime).getTime()) / (1000 * 60 * 60 * 24)); return spaceDay; } catch (ParseException e) { throw new CodeException(FeeErrorMsgConstants.ERR_8001_CODE, FeeErrorMsgConstants.ERR_8001_MSG + "getDayCount()"); } } /** * * @param startTime * days * @return 得到任意天数后的日期 */ public static String getAfterDaysTime(String startTime, int days) throws CodeException { try { // 日期格式 SimpleDateFormat dateFormat = new SimpleDateFormat(DATE_FORMAT2); // 指定日期 Date date = dateFormat.parse(startTime); // 指定日期加上20天 Date newDate = addDate(date, days); // 输出格式化后的日期 return dateFormat.format(newDate).concat("000000000"); } catch (ParseException e) { throw new CodeException(FeeErrorMsgConstants.ERR_8001_CODE, FeeErrorMsgConstants.ERR_8001_MSG + "getAfterDaysTime()"); } } /** * * @param date * day * @return 得到任意天数后的日期 */ public static Date addDate(Date date, long day) throws ParseException { // 得到指定日期的毫秒数 long time = date.getTime(); // 要加上的天数转换成毫秒数 // SUPPRESS CHECKSTYLE day = day * 24 * 60 * 60 * 1000; // 相加得到新的毫秒数 time += day; // 将毫秒数转换成日期 return new Date(time); }}package cpcn.payment.tool.lang;import java.sql.Timestamp;import java.text.ParseException;import java.text.SimpleDateFormat;import java.util.Calendar;import java.util.Date;public class TimeUtil { // 模板 public static final String PATTERN_DATE8 = "yyyyMMdd"; public static final String PATTERN_DATE8_2 = "yyyy-MM-dd"; public static final String PATTERN_TIME6 = "HHmmss"; public static final String PATTERN_TIME14 = "yyyyMMddHHmmss"; public static final String PATTERN_TIME14_2 = "yyyy-MM-dd HH:mm:ss"; public static final String PATTERN_TIME17 = "yyyyMMddHHmmssSSS"; public static String getFormattedDate(Date date) { if (date == null) { return null; } else { SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd"); return sdf.format(date); } } public static String getFormattedDate(Date date, String pattern) { SimpleDateFormat sdf = new SimpleDateFormat(pattern); return sdf.format(date); } /** * <p> * Description 获取当前日期的上个月 * </p> * * @author dairongsheng * @date 2017年7月19日 下午6:12:17 * @return */ public static String getFormattedLastMonth() { Calendar c = Calendar.getInstance(); c.add(Calendar.MONTH, -1); SimpleDateFormat format = new SimpleDateFormat("yyyy-MM"); String time = format.format(c.getTime()); return time; } public static String getFormattedTime(Date date) { if (date == null) { return ""; } else { SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); return sdf.format(date); } } /** * 格式：yyyyMMddHHmmss * * @param date * @return */ public static String getFormattedTime2(Date date) { if (date == null) { return ""; } else { SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss"); return sdf.format(date); } } /** * <p> * 返回系统时间组成的字符串。例如：20050828143158 * <p> * * @return String */ public static String getTimeStamp() { Calendar calendar = Calendar.getInstance(); Date date = calendar.getTime(); SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss"); return sdf.format(date); } /** * <p> * 返回系统时间组成的字符串。例如：20050828 * <p> * * @return String */ public static String getDateStamp() { Calendar calendar = Calendar.getInstance(); Date date = calendar.getTime(); SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd"); return sdf.format(date); } /** * <p> * 返回多少天前系统时间组成的字符串。例如：20050828 * <p> * * @return String */ public static String getDateStamp(int time) { Calendar calendar = Calendar.getInstance(); calendar.add(Calendar.DATE, 0 - time); Date date = calendar.getTime(); SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd"); return sdf.format(date); } /** * <p> * 返回系统时间组成的字符串。例如：2005-08-28 * <p> * * @return String */ public static String getCurrentDate() { Calendar calendar = Calendar.getInstance(); Date date = calendar.getTime(); SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd"); return sdf.format(date); } /** * <p> * 返回系统时间组成的字符串。例如：2005-08-28 14:20:36 * <p> * * @return String */ public static String getCurrentTime() { Calendar calendar = Calendar.getInstance(); Date date = calendar.getTime(); SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); return sdf.format(date); } /** * <p> * 返回系统时间组成的字符串。例如：200508 * <p> * * @return String */ public static String getMonthStamp() { Calendar calendar = Calendar.getInstance(); Date date = calendar.getTime(); SimpleDateFormat sdf = new SimpleDateFormat("yyyyMM"); return sdf.format(date); } /** * 返回某年某月的天数 * * @param year * int * @param month * int * @return int */ public static int getDays(int year, int month) { int days = 30; switch (month) { case 1: case 3: case 5: case 7: case 8: case 10: case 12: days = 31; break; case 4: case 6: case 9: case 11: days = 30; break; case 2: if ((year % 4 == 0 && year % 100 != 0) || (year % 400 == 0)) { days = 29; } else { days = 28; } break; default: } return days; } /** * Returns true if the specified date string represents a valid date in the * specified format. * * @param dateString * a String representing a date/time. * @param dateFormatPattern * a String specifying the format to be used when parsing the * dateString. The pattern is expressed with the pattern letters * defined for the java.text.SimpleDateFormat class. * @return boolean - return true if valid, false otherwise. */ public static boolean isValidDate(String dateString, String dateFormatPattern) { // 长度校验追加 窦彬 2015/3/17 begin if (StringUtil.isEmpty(dateString) || StringUtil.isEmpty(dateFormatPattern)) { return false; } if (dateString.length() != dateFormatPattern.length()) { return false; } // 长度校验追加 窦彬 2015/3/17 end Date validDate = null; try { SimpleDateFormat sdf = new SimpleDateFormat(dateFormatPattern); sdf.setLenient(false); validDate = sdf.parse(dateString); } catch (ParseException e) { return validDate != null; } return validDate != null; } public static Date string2Date(String date, String format) throws ParseException { SimpleDateFormat simpleDateFormat = new SimpleDateFormat(format); try { return simpleDateFormat.parse(date); } catch (ParseException e) { throw e; } } public static String date2String(Date date, String format) { SimpleDateFormat sdf = new SimpleDateFormat(format); return sdf.format(date); } /** * * @return 当前时间 */ public static Date getNowTime() { return Calendar.getInstance().getTime(); } /** * * @return 当前时间 */ public static long getNowTimeInMillis() { return Calendar.getInstance().getTimeInMillis(); } /** * <p> * 返回系统时间组成的字符串。例如：20050828143158333 * <p> * * @return String */ public static String getTimeMillisecondStamp() { Calendar calendar = Calendar.getInstance(); Date date = calendar.getTime(); SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmssSSS"); return sdf.format(date); } /** * <p> * 返回多少天后系统时间组成的字符串。例如：20050828143158333 * <p> * * @return String */ public static String getTimeMillisecondStamp(int days) { Calendar calendar = Calendar.getInstance(); calendar.add(Calendar.DATE, days); Date date = calendar.getTime(); SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmssSSS"); return sdf.format(date); } public static String transformTime(String date, String sourceFormat, String destFormat) throws Exception { SimpleDateFormat sdfSource = new SimpleDateFormat(sourceFormat); Date dateSource = sdfSource.parse(date); SimpleDateFormat sdfDest = new SimpleDateFormat(destFormat); return sdfDest.format(dateSource); } public static Timestamp stringToTimestamp(String datetime) throws ParseException { SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMddHHmmss"); Timestamp ts = new Timestamp(formatter.parse(datetime).getTime()); return ts; } public static String addDays(int days) { String fromTime = ""; Calendar calendar = Calendar.getInstance(); calendar.set(Calendar.HOUR_OF_DAY, 0); calendar.set(Calendar.MINUTE, 0); calendar.set(Calendar.SECOND, 0); calendar.set(Calendar.MILLISECOND, 0); calendar.add(Calendar.DAY_OF_MONTH, days); Date date = calendar.getTime(); SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd"); fromTime = sdf.format(date); return fromTime; } public static Date addDays(java.util.Date date, int days) { Calendar calendar = Calendar.getInstance(); calendar.setTime(date); calendar.add(Calendar.DATE, days); return calendar.getTime(); } public static String addDays(String dateStr, int days) throws ParseException { SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd"); sdf.setLenient(false); Calendar calendar = Calendar.getInstance(); calendar.setTime(sdf.parse(dateStr)); calendar.add(Calendar.DATE, days); return sdf.format(calendar.getTime()); } /** * 小时变化 * * @param timeStr * @param hours * @return * @throws ParseException */ public static String addHours(String timeStr, int hours) throws ParseException { SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmssSSS"); sdf.setLenient(false); Calendar calendar = Calendar.getInstance(); calendar.setTime(sdf.parse(timeStr)); calendar.add(Calendar.HOUR, hours); return sdf.format(calendar.getTime()); } /** * 判断time1与time2的大小；如果time1大于time2,则返回true;否则返回false; * * @param time1 * @param time2 * @param pattern * time1与time2均符合pattern模式 * @return * @throws ParseException */ public static boolean isAfter(String time1, String time2, String pattern) throws ParseException { Date date1 = TimeUtil.string2Date(time1, pattern); Date date2 = TimeUtil.string2Date(time2, pattern); long tim1 = date1.getTime(); long tim2 = date2.getTime(); return tim1 > tim2; } /** * 计算当前时间到下offset个整点的时间 * * @param offset * 小时个数，比如计算当前时间到下一个整点的时间，传值为1；到第二个整点，则传值为2；依次类推 * @return */ public static long nextHourDelay(int offset) { Calendar calendar = Calendar.getInstance(); long currTime = calendar.getTimeInMillis(); int hour = calendar.get(Calendar.HOUR_OF_DAY); calendar.set(Calendar.HOUR_OF_DAY, hour + offset); calendar.set(Calendar.MINUTE, 0); calendar.set(Calendar.SECOND, 0); calendar.set(Calendar.MILLISECOND, 0); long nextHourTime = calendar.getTimeInMillis(); return nextHourTime - currTime; } /** * <p> * Description:获取指定月份的最后一天：举例 201707 获取到 20170731 * </p> * * @author dairongsheng * @date 2017年7月5日 下午2:04:39 * @param month * @return */ public static String getLastDayOfMonth(String month) { Calendar cal = Calendar.getInstance(); cal.set(Calendar.YEAR, Integer.valueOf(month.substring(0, 4))); cal.set(Calendar.MONTH, Integer.valueOf(month.substring(4)) - 1); cal.set(Calendar.DAY_OF_MONTH, 1); cal.add(Calendar.MONTH, 1); cal.add(Calendar.DAY_OF_MONTH,-1); return new SimpleDateFormat("yyyyMMdd").format(cal.getTime()); } /** * <p> * Description 获取指定日期当月第一天。比如20170718，当月第一天是20170701 * </p> * * @author dairongsheng * @date 2017年7月7日 下午4:28:46 * @param date * @return */ public static String getFirstDayOfMonth(String date) { String s = date.substring(0, 6) + "01"; return s; } /** * <p> * Description 获取指定日期的前一天，比如20170701前一天是20170630 * </p> * * @author dairongsheng * @date 2017年7月7日 上午9:36:16 * @param date * @return */ public static String getBeforeDay(String date) { Calendar cal = Calendar.getInstance(); cal.set(Calendar.YEAR, Integer.valueOf(date.substring(0, 4))); cal.set(Calendar.MONTH, Integer.valueOf(date.substring(4, 6)) - 1); cal.set(Calendar.DAY_OF_MONTH, Integer.valueOf(date.substring(6))); cal.add(Calendar.DAY_OF_MONTH, -1); return new SimpleDateFormat("yyyyMMdd").format(cal.getTime()); } /** * <p> * Description:获取指定年月有多少天 * </p> * * @author dairongsheng * @date 2017年7月5日 下午2:50:23 * @param month * @return */ public static int getDayNumberByMonth(String month) { Calendar cal = Calendar.getInstance(); cal.set(Calendar.YEAR, Integer.valueOf(month.substring(0, 4))); cal.set(Calendar.MONTH, Integer.valueOf(month.substring(4)) - 1); int dayNumber = cal.getActualMaximum(Calendar.DATE); return dayNumber; } /** * <p> * Description 举例：date=20170706 返回值是20170707000000000 * * @author dairongsheng * @date 2017年7月21日 上午9:56:46 * @param date */ public static String getNextDayTime(String date) { Calendar cal = Calendar.getInstance(); cal.set(Calendar.YEAR, Integer.valueOf(date.substring(0, 4))); cal.set(Calendar.MONTH, Integer.valueOf(date.substring(4, 6)) - 1); cal.set(Calendar.DAY_OF_MONTH, Integer.valueOf(date.substring(6))); cal.add(Calendar.DAY_OF_MONTH, 1); String s = new SimpleDateFormat("yyyyMMdd").format(cal.getTime()); return s + "000000000"; }}阅读全文
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