Java DateUtil 时间工具类

import org.apache.commons.lang3.StringUtils;import java.math.BigDecimal;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.*;
import java.util.regex.Pattern;public class DateUtil {//将时间转化为Stringpublic static String parseStr(String str) {String sDate = "";SimpleDateFormat sdf1 = new SimpleDateFormat ("EEE MMM dd HH:mm:ss Z yyyy", Locale.UK);try {Date date = sdf1.parse (str);SimpleDateFormat sdf = new SimpleDateFormat ("yyyy-MM-dd HH:mm:ss");sDate = sdf.format (date);System.out.println(sDate);} catch (Exception e) {e.printStackTrace ( );}return sDate;}/*** 将长时间格式时间转换为字符串 yyyy-MM-dd HH:mm:ss** @param dateDate* @return*/public static String dateToStrLong(java.util.Date dateDate) {SimpleDateFormat formatter = new SimpleDateFormat ("yyyy-MM-dd HH:mm:ss");String dateString = formatter.format (dateDate);return dateString;}/*** 将Date类型转换为字符串** @param date 日期类型* @return 日期字符串*/public static String format(Date date) {if (date == null) {return "";}return format (date, "yyyy-MM-dd HH:mm:ss");}public static String format(Calendar date) {if (date == null) {return "";}return format (date.getTime ( ), "yyyy-MM-dd HH:mm:ss");}/*** 将Date类型转换为字符串** @param date    日期类型* @param pattern 字符串格式* @return 日期字符串*/public static String format(Date date, String pattern) {if (date == null) {return "null";}if (pattern == null || pattern.equals ("") || pattern.equals ("null")) {pattern = "yyyy-MM-dd HH:mm:ss";}return new SimpleDateFormat (pattern).format (date);}/*** 将字符串转换为Date类型** @param date 字符串类型* @return 日期类型*/public static Date format(String date) {return format (date, null);}/*** 将字符串转换为Date类型* @param date    字符串类型* @param pattern 格式* @return 日期类型*/public static Date format(String date, String pattern) {if (pattern == null || pattern.equals ("") || pattern.equals ("null")) {pattern = "yyyy-MM-dd HH:mm:ss";}if (date == null || date.equals ("") || date.equals ("null")) {return new Date ( );}Date d = null;try {d = new SimpleDateFormat (pattern).parse (date);} catch (ParseException pe) {}return d;}public static String getCurrDate() {return format (new Date ( ), "yyyy-MM-dd HH:mm:ss");}/*** 格局传入的日期 解析出 该用何种SimpleDateFormat** @param dateStr* @return*/public static SimpleDateFormat getSimpleDateFormatPattern(String dateStr) {SimpleDateFormat format = null;if (Pattern.matches ("\\d{4}-\\d{1,2}-\\d{1,2}", dateStr)) {format = new SimpleDateFormat ("yyyy-MM-dd");System.out.println("用的yyyy-MM-dd");} else if (Pattern.matches ("\\d{4}\\d{2}\\d{2}", dateStr)) {format = new SimpleDateFormat ("yyyyMMdd");} else if (Pattern.matches ("\\d{4}年\\d{2}月\\d{2}日", dateStr)) {format = new SimpleDateFormat ("yyyy年MM月dd日", Locale.CHINA);// //System.out.println("用的yyyy年MM月dd日");} else if (Pattern.matches ("\\d{4}年\\d{1,2}月\\d{1,2}日", dateStr)) {format = new SimpleDateFormat ("yyyy年M月d日", Locale.CHINA);} else if (Pattern.matches ("\\d{1,2}\\w{3}\\d{4}", dateStr)) {format = new SimpleDateFormat ("dMMMyyyy", Locale.ENGLISH);} else if (Pattern.matches ("\\d{1,2}-\\w{3}-\\d{4}", dateStr)) {format = new SimpleDateFormat ("d-MMM-yyyy", Locale.ENGLISH);} else if (Pattern.matches ("\\d{4}-\\d{1,2}-\\d{1,2} \\d{1,2}:\\d{1,2}", dateStr)) {format = new SimpleDateFormat ("yyyy-MM-dd HH:mm");} else if (dateStr.length ( ) > 20) {format = new SimpleDateFormat ("yyyy-MM-dd HH:mm:ss");} else {format = new SimpleDateFormat ("yyyy-MM-dd HH:mm:ss");}return format;}/*** 格局传入的日期 解析出 该用何种SimpleDateFormat** @param dateStr* @return* @throws*/public static Date parseDateByPattern(String dateStr) {SimpleDateFormat format = null;try {if (Pattern.matches ("\\d{4}-\\d{2}-\\d{2}", dateStr)) {format = new SimpleDateFormat ("yyyy-MM-dd");return format.parse (dateStr);} else if (Pattern.matches ("\\d{4}/\\d{2}/\\d{2}", dateStr)) {format = new SimpleDateFormat ("yyyy/MM/dd");return format.parse (dateStr);} else if (Pattern.matches ("\\d{4}\\d{2}\\d{2}", dateStr)) {format = new SimpleDateFormat ("yyyyMMdd");return format.parse (dateStr);} else if (Pattern.matches ("\\d{4}年\\d{2}月\\d{2}日", dateStr)) {format = new SimpleDateFormat ("yyyy年MM月dd日", Locale.CHINA);return format.parse (dateStr);} else if (Pattern.matches ("\\d{4}年\\d{1,2}月\\d{1,2}日", dateStr)) {format = new SimpleDateFormat ("yyyy年M月d日", Locale.CHINA);return format.parse (dateStr);} else if (Pattern.matches ("\\d{4}/\\d{1,2}/\\d{1,2} \\d{2}:\\d{2}", dateStr)) {format = new SimpleDateFormat ("yyyy/M/d HH:mm", Locale.CHINA);return format.parse (dateStr);} else if (Pattern.matches ("\\d{4}\\.\\d{2}\\.\\d{2}", dateStr)) {format = new SimpleDateFormat ("yyyy.MM.dd", Locale.CHINA);return format.parse (dateStr);} else if (Pattern.matches ("\\d{4}年\\d{2}月", dateStr)) {format = new SimpleDateFormat ("yyyy年MM月", Locale.CHINA);return format.parse (dateStr);} else if (Pattern.matches ("\\d{4}-\\d{2}-\\d{2} \\d{2}:\\d{2}:\\d{2}", dateStr)) {format = new SimpleDateFormat ("yyyy-MM-dd HH:mm:ss", Locale.CHINA);return format.parse (dateStr);} else if (Pattern.matches ("\\d{4}-\\d{2}-\\d{2} \\d{2}:\\d{2}", dateStr)) {format = new SimpleDateFormat ("yyyy-MM-dd HH:mm", Locale.CHINA);return format.parse (dateStr);} else if (Pattern.matches ("\\d{4}-\\d{2}-\\d{2} \\d{2}:\\d{2}:\\d{2}\\.\\d{3}", dateStr)) {format = new SimpleDateFormat ("yyyy-MM-dd HH:mm:ss.SSS", Locale.CHINA);return format.parse (dateStr);} else if (Pattern.matches ("\\d{4}-\\d{2}-\\d{2} \\d{2}:\\d{2}:\\d{2}\\.\\d{2}", dateStr)) {format = new SimpleDateFormat ("yyyy-MM-dd HH:mm:ss.SS", Locale.CHINA);return format.parse (dateStr);} else if (Pattern.matches ("\\d{4}-\\d{2}-\\d{2} \\d{2}:\\d{2}:\\d{2}\\.\\d{1}", dateStr)) {format = new SimpleDateFormat ("yyyy-MM-dd HH:mm:ss.S", Locale.CHINA);return format.parse (dateStr);} else if (Pattern.matches ("\\d{2}:\\d{2}", dateStr)) {format = new SimpleDateFormat ("HH:mm", Locale.CHINA);return format.parse (dateStr);}} catch (Exception e) {}return null;}/*** 获取时间日期** @param milliSeconds* @return*/public static String getTimeMilisecondDesc(long milliSeconds) {long days = milliSeconds / (1000 * 60 * 60 * 24);milliSeconds = milliSeconds - (days * 24 * 60 * 60 * 1000);long hours = milliSeconds / (1000 * 60 * 60);milliSeconds = milliSeconds - (hours * 60 * 60 * 1000);long minutes = milliSeconds / (1000 * 60);milliSeconds = milliSeconds - (minutes * 60 * 1000);long seconds = milliSeconds / (1000);StringBuffer sb = new StringBuffer ( );if (days != 0) {sb.append (days + "天");}if (hours != 0) {sb.append (hours + "小时");}if (minutes != 0) {sb.append (minutes + "分钟");}if (seconds != 0) {sb.append (seconds + "秒");}return sb.toString ( );}/*** 取得当前日期所在周的第一天** @param date* @return*/public static Date getFirstDayOfWeek(Date date) {Calendar c = clearDate (date, 4);c.setFirstDayOfWeek (Calendar.MONDAY);c.set (Calendar.DAY_OF_WEEK, c.getFirstDayOfWeek ( )); // Mondayreturn c.getTime ( );}/*** 取得当前日期所在周的最后一天** @param date* @return*/public static Date getLastDayOfWeek(Date date) {Calendar c = clearDate (date, 4);c.setFirstDayOfWeek (Calendar.MONDAY);c.set (Calendar.DAY_OF_WEEK, c.getFirstDayOfWeek ( ) + 6);c.set (Calendar.HOUR_OF_DAY, 23);c.set (Calendar.MINUTE, 59);c.set (Calendar.SECOND, 59);c.set (Calendar.MILLISECOND, 000);return c.getTime ( );}/*** 取得指定日期的当周的起始时间** @param date* @return*/public static Date[] getWeekLimit(Date date) throws Exception {Date date1 = getFirstDayOfWeek (date);Date date2 = getLastDayOfWeek (date);return new Date[]{date1, date2};}/*** 取得指定日期的当月起始时间** @param date* @return*/public static Date[] getMonthLimit(Date date) throws Exception {Calendar cal = clearDate (date, 5);cal.set (Calendar.DATE, 1);Date date1 = cal.getTime ( );cal.add (Calendar.MONTH, 1);cal.add (Calendar.SECOND, -1);Date date2 = cal.getTime ( );return new Date[]{date1, date2};}/*** 取得指定日期的当年起始时间** @param date* @return*/public static Date[] getYearLimit(Date date) throws Exception {Calendar cal = clearDate (date, 6);cal.set (Calendar.MONTH, 0);cal.set (Calendar.DATE, 1);Date date1 = cal.getTime ( );cal.add (Calendar.YEAR, 1);cal.add (Calendar.SECOND, -1);Date date2 = cal.getTime ( );return new Date[]{date1, date2};}/*** 取得指定日期当月的起始时间串** @param date* @return*/public static String[] getMonthLimitStr(Date date) throws Exception {Date[] rtDateArray = getMonthLimit (date);return new String[]{getDateTimeStr (rtDateArray[0]), getDateTimeStr (rtDateArray[1])};}/*** 取得指定日期当年的起始时间串** @param date* @return*/public static String[] getYearLimitStr(Date date) throws Exception {Date[] rtDateArray = getYearLimit (date);return new String[]{getDateTimeStr (rtDateArray[0]), getDateTimeStr (rtDateArray[1])};}/*** 取得后一天的时间字** @param dateStr* @return*/public static Date getDayAfter(String dateStr, int dayCnt) throws Exception {return getDayAfter (parseDate (dateStr), dayCnt);}/*** 取得后一天的时间** @param date* @return*/public static Date getDayAfter(Date date, int dayCnt) {GregorianCalendar cal = new GregorianCalendar ( );cal.setTime (date);cal.add (Calendar.DATE, dayCnt);return cal.getTime ( );}/*** 设置前多少秒的时间** @param date* @return*/public static Date getSecondAfter(Date date, int secondCnt) {GregorianCalendar cal = new GregorianCalendar ( );cal.setTime (date);cal.add (Calendar.SECOND, secondCnt);return cal.getTime ( );}/*** 取得后多少小时的时间** @param date* @return*/public static Date getDayHourAfter(Date date, int hourCnt) {GregorianCalendar cal = new GregorianCalendar ( );cal.setTime (date);cal.add (Calendar.HOUR, hourCnt);return cal.getTime ( );}/*** 取得后多少月的时间** @param date* @param monthCnt* @return*/public static Date getMonthAfter(Date date, int monthCnt) {GregorianCalendar cal = new GregorianCalendar ( );cal.setTime (date);cal.add (Calendar.MONTH, monthCnt);return cal.getTime ( );}/*** 取得前多少月的时间** @param date* @param monthCnt* @return*/public static Date getMonthbeteen(Date date, int monthCnt) {GregorianCalendar cal = new GregorianCalendar ( );cal.setTime (date);cal.add (Calendar.MONTH, monthCnt);return cal.getTime ( );}/*** 取得后多少年的时间** @param date* @return*/public static Date getYearAfter(Date date, int yearCnt) {GregorianCalendar cal = new GregorianCalendar ( );cal.setTime (date);cal.add (Calendar.YEAR, yearCnt);return cal.getTime ( );}/*** 取得后N天的时间的所有日期list** @param date* @return*/public static List<Date> getDayListAfter(Date date, int dayCnt) {List<Date> list = new ArrayList<Date> ( );GregorianCalendar cal = new GregorianCalendar ( );for (int i = 1; i <= dayCnt; i++) {cal.setTime (date);cal.add (Calendar.DATE, i);list.add (cal.getTime ( ));}return list;}/*** 取得指定天数差的时间** @param dateStr* @return*/public static Date getDayDiff(String dateStr, int dayCnt) throws Exception {return getDayDiff (parseDate (dateStr), dayCnt);}/*** 取得指定天数差的时间** @param date* @return*/public static Date getDayDiff(Date date, int dayCnt) {GregorianCalendar cal = new GregorianCalendar ( );cal.setTime (date);cal.add (Calendar.DATE, dayCnt);return cal.getTime ( );}/*** 取得前今天0:00分时间* @param* @return*/public static Date getStartToday() {Calendar todayStart = Calendar.getInstance();todayStart.set(Calendar.HOUR_OF_DAY, 0);todayStart.set(Calendar.MINUTE, 0);todayStart.set(Calendar.SECOND, 0);todayStart.set(Calendar.MILLISECOND, 0);return todayStart.getTime();}/*** 取得前今天23:59:59秒分时间* @param * @return*/public static Date getEndToday() {Calendar todayEnd = Calendar.getInstance();todayEnd.set(Calendar.HOUR_OF_DAY, 23);todayEnd.set(Calendar.MINUTE, 59);todayEnd.set(Calendar.SECOND, 59);todayEnd.set(Calendar.MILLISECOND, 999);return todayEnd.getTime();}/*** 取得昨天的开始时间* @param date* @return*/public static Date getStatusYestday(Date date) {Calendar tempStart = Calendar.getInstance();Date start = new Date();tempStart.setTime(start);tempStart.set(Calendar.HOUR_OF_DAY, 0);tempStart.set(Calendar.MINUTE, 0);tempStart.set(Calendar.SECOND, 0);tempStart.set(Calendar.MILLISECOND, 0);tempStart.add(Calendar.DAY_OF_YEAR, -1);Date time = tempStart.getTime();return time;}/*** 取得昨天的结束时间* @param date* @return*/public static Date getEndYestday(Date date) {Calendar tempEnd = Calendar.getInstance();Date end = new Date();tempEnd.setTime(end);tempEnd.set(Calendar.HOUR_OF_DAY, 0);tempEnd.set(Calendar.MINUTE, 0);tempEnd.set(Calendar.SECOND, 0);tempEnd.set(Calendar.MILLISECOND, 0);tempEnd.add(Calendar.DAY_OF_YEAR, -1);tempEnd.set(Calendar.HOUR_OF_DAY, 23);// 小时tempEnd.set(Calendar.MINUTE, 59);// 分tempEnd.set(Calendar.SECOND, 59);// 秒tempEnd.set(Calendar.MILLISECOND, 0);// 秒Date time = tempEnd.getTime();return time;}/*** 取得前7天开始时间* @param date* @return*/public static Date getStatus7Days(Date date) {Calendar tempEnd = Calendar.getInstance();Date end = new Date();tempEnd.setTime(end);tempEnd.set(Calendar.HOUR_OF_DAY, 0);tempEnd.set(Calendar.MINUTE, 0);tempEnd.set(Calendar.SECOND, 0);tempEnd.set(Calendar.MILLISECOND, 0);tempEnd.add(Calendar.DAY_OF_YEAR, -6);Date time = tempEnd.getTime();return time;}/*** 取得前7天结束时间* @param date* @return*/public static Date getEnd7Days(Date date) {Calendar tempEnd = Calendar.getInstance();Date end = new Date();tempEnd.setTime(end);tempEnd.set(Calendar.HOUR_OF_DAY, 0);tempEnd.set(Calendar.MINUTE, 0);tempEnd.set(Calendar.SECOND, 0);tempEnd.set(Calendar.MILLISECOND, 0);tempEnd.add(Calendar.DAY_OF_YEAR, -6);tempEnd.set(Calendar.HOUR_OF_DAY, 138);// 小时tempEnd.set(Calendar.MINUTE, 354);// 分tempEnd.set(Calendar.SECOND, 359);// 秒tempEnd.set(Calendar.MILLISECOND, 0);//毫秒Date time = tempEnd.getTime();return time;}/*** 取得前30天的开始时间* @param date* @return*/public static Date getStatus30Days(Date date) {Calendar tempEnd = Calendar.getInstance();Date end = new Date();tempEnd.setTime(end);tempEnd.set(Calendar.HOUR_OF_DAY, 0);tempEnd.set(Calendar.MINUTE, 0);tempEnd.set(Calendar.SECOND, 0);tempEnd.set(Calendar.MILLISECOND, 0);tempEnd.add(Calendar.DAY_OF_YEAR, -29);Date time = tempEnd.getTime();return time;}/***  东8区时间* @param date* @return*/public static Date getMongoDate(Date date) {SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");Calendar ca = Calendar.getInstance();ca.setTime(date);ca.set(Calendar.HOUR_OF_DAY, 23);ca.set(Calendar.MINUTE, 59);ca.set(Calendar.SECOND, 59);ca.set(Calendar.MILLISECOND, 999);try {return sdf.parse(sdf.format(ca.getTime()));} catch (ParseException e) {}return new Date();}/*** 取得前一天的时间字符串** @param dateStr* @return*/public static String getYestdayStr(String dateStr) throws Exception {return getYestdayStr (parseDate (dateStr));}/*** 取得前一天的时间字符串** @param date* @return*/public static String getYestdayStr(Date date) {GregorianCalendar cal = new GregorianCalendar ( );cal.setTime (date);cal.add (Calendar.DATE, -1);return getDateTimeStr (cal.getTime ( ));}/*** Date清零** @param date* @param clearNum 1=毫秒, 2=秒, 3=分钟, 4=小时, 5=天, 6=月份* @return*/public static Calendar clearDate(Date date, int clearNum) {Calendar cal = new GregorianCalendar ( );cal.setTime (date);//毫秒if (clearNum > 0) {cal.set (Calendar.MILLISECOND, 0);}//秒if (clearNum > 1) {cal.set (Calendar.SECOND, 0);}//分钟if (clearNum > 2) {cal.set (Calendar.MINUTE, 0);}//小时if (clearNum > 3) {cal.set (Calendar.HOUR_OF_DAY, 0);}//天if (clearNum > 4) {cal.set (Calendar.DATE, 0);}//月份if (clearNum > 5) {cal.set (Calendar.MONTH, 0);}return cal;}/*** 把字符串转化为Date** @param dateStr* @return*/public static Date parseDate(String formatStr, String dateStr) throws ParseException {SimpleDateFormat format = new SimpleDateFormat (formatStr);return format.parse (dateStr);}public static Calendar parseCalendar(String formatStr, String dateStr) {Calendar c = Calendar.getInstance ( );try {c.setTime (parseDate (formatStr, dateStr));} catch (Exception e) {// TODO Auto-generated catch block
// e.printStackTrace();return null;}return c;}public static Calendar parseCalendar(String dateStr) {Calendar c = Calendar.getInstance ( );try {c.setTime (parseDateByPattern (dateStr));} catch (Exception e) {// TODO Auto-generated catch block
// e.printStackTrace();return null;}return c;}/*** 把字符串转化为Date** @param dateStr* @return*/public static Date parseDate(String dateStr) {if (dateStr == null || "".equals (dateStr)) {return null;}SimpleDateFormat format = null;if (Pattern.matches ("\\d{4}-\\d{1,2}-\\d{1,2}", dateStr)) {format = new SimpleDateFormat ("yyyy-MM-dd");} else if (Pattern.matches ("\\d{4}\\d{2}\\d{2}", dateStr)) {format = new SimpleDateFormat ("yyyyMMdd");} else if (Pattern.matches ("\\d{4}年\\d{2}月\\d{2}日", dateStr)) {format = new SimpleDateFormat ("yyyy年MM月dd日", Locale.CHINA);} else if (Pattern.matches ("\\d{4}年\\d{1,2}月\\d{1,2}日", dateStr)) {format = new SimpleDateFormat ("yyyy年M月d日", Locale.CHINA);} else if (Pattern.matches ("\\d{1,2}\\w{3}\\d{4}", dateStr)) {format = new SimpleDateFormat ("dMMMyyyy", Locale.ENGLISH);} else if (Pattern.matches ("\\d{1,2}-\\w{3}-\\d{4}", dateStr)) {format = new SimpleDateFormat ("d-MMM-yyyy", Locale.ENGLISH);} else if (dateStr.length ( ) > 20) {format = new SimpleDateFormat ("yyyy-MM-dd HH:mm:ss:SSS");} else {format = new SimpleDateFormat ("yyyy-MM-dd HH:mm:ss");}try {return format.parse (dateStr);} catch (ParseException e) {// TODO Auto-generated catch blocke.printStackTrace ( );}return null;}/*** 取得的时间串，格式为 yyyy-MM-dd HH:mm:ss** @return*/public static String getDateTimeStr(Date date) {if (date == null) {return getCurDateTimeStr ( );}return new SimpleDateFormat ("yyyy-MM-dd HH:mm:ss").format (date);}/*** 取得当前的时间，格式为 yyyy-MM-dd HH:mm:ss** @return*/public static String getCurDateTimeStr() {return new SimpleDateFormat ("yyyy-MM-dd HH:mm:ss").format (new Date ( ));}/*** @param year* @return* @return计算一年的最大周* @author syl* @date 2014-1-11*/public static int getMaxWeekOfYear(int year) {Calendar c = new GregorianCalendar ( );c.set (year, Calendar.DECEMBER, 31, 23, 59, 59);return getWeekOfYear (c.getTime ( ));}/*** 获取日期当前周** @param date* @return*/public static int getWeekOfYear(Date date) {Calendar c = new GregorianCalendar ( );c.setFirstDayOfWeek (Calendar.MONDAY);c.setMinimalDaysInFirstWeek (7);c.setTime (date);return c.get (Calendar.WEEK_OF_YEAR);}/*** 参数说明  返回一个Calendar数组，长度为2* 分别是开始日期和结束日期** @param year    年分 例如 2014 i* @param weeknum 第几周 例如33* @return* @date 2014-1-11*/public static Calendar[] getStartAndEndDate(int year, int weeknum) {Calendar cal = Calendar.getInstance ( );cal.set (Calendar.YEAR, year);cal.set (Calendar.WEEK_OF_YEAR, weeknum);int nw = cal.get (Calendar.DAY_OF_WEEK);Calendar start = (Calendar) cal.clone ( );Calendar end = (Calendar) cal.clone ( );start.add (Calendar.DATE, 1 - nw + 1);end.add (Calendar.DATE, 7 - nw + 1);Calendar[] darr = {start, end};return darr;}/*** 获取当期日期的一周 开始可结束日期 返回一个Calendar数组，长度为2  分别是开始日期和结束日期* @return*/public static Calendar[] getCurrStartEndDate() {Calendar cal = Calendar.getInstance ( );// 向后推一天（从星期一到周末）cal.add (Calendar.DATE, -1);int nw = cal.get (Calendar.DAY_OF_WEEK);Calendar start = (Calendar) cal.clone ( );Calendar end = (Calendar) cal.clone ( );start.add (Calendar.DATE, 1 - nw + 1);end.add (Calendar.DATE, 7 - nw + 1);Calendar[] darr = {start, end};return darr;}/*** 获取当期日期的一周 开始至结束日期 返回一个Calendar数组，长度为7* @return*/public static Calendar[] getCurrStartAndEndOfWeek() {Calendar cal = Calendar.getInstance ( );// 向后推一天（从星期一到周末）cal.add (Calendar.DATE, -1);int nw = cal.get (Calendar.DAY_OF_WEEK);Calendar start = (Calendar) cal.clone ( );start.add (Calendar.DATE, 1 - nw + 1);Calendar tuesday = (Calendar) cal.clone ( );//周二tuesday.add (Calendar.DATE, 2 - nw + 1);Calendar wednesday = (Calendar) cal.clone ( );//周三wednesday.add (Calendar.DATE, 3 - nw + 1);Calendar thursday = (Calendar) cal.clone ( );//周四thursday.add (Calendar.DATE, 4 - nw + 1);Calendar friday = (Calendar) cal.clone ( );//周五friday.add (Calendar.DATE, 5 - nw + 1);Calendar saturday = (Calendar) cal.clone ( );//周六saturday.add (Calendar.DATE, 6 - nw + 1);Calendar end = (Calendar) cal.clone ( );end.add (Calendar.DATE, 7 - nw + 1);Calendar[] darr = {start, tuesday, wednesday, thursday, friday, saturday, end};return darr;}/*** 获取当期日期的一周 开始至结束日期 返回一个Calendar数组，长度为* @return* @date 2014-1-11*/public static Calendar[] getStartAndEndOfWeekByDate(Date date) {Calendar cal = Calendar.getInstance ( );cal.setTime (date);// 向后推一天（从星期一到周末）cal.add (Calendar.DATE, -1);int nw = cal.get (Calendar.DAY_OF_WEEK);Calendar start = (Calendar) cal.clone ( );start.add (Calendar.DATE, 1 - nw + 1);Calendar tuesday = (Calendar) cal.clone ( );//周二tuesday.add (Calendar.DATE, 2 - nw + 1);Calendar wednesday = (Calendar) cal.clone ( );//周三wednesday.add (Calendar.DATE, 3 - nw + 1);Calendar thursday = (Calendar) cal.clone ( );//周四thursday.add (Calendar.DATE, 4 - nw + 1);Calendar friday = (Calendar) cal.clone ( );//周五friday.add (Calendar.DATE, 5 - nw + 1);Calendar saturday = (Calendar) cal.clone ( );//周六saturday.add (Calendar.DATE, 6 - nw + 1);Calendar end = (Calendar) cal.clone ( );end.add (Calendar.DATE, 7 - nw + 1);Calendar[] darr = {start, tuesday, wednesday, thursday, friday, saturday, end};return darr;}/*** 算出俩个时间，所间隔的多少天* @param startDate* @param endDate* @return*/public static Long getDaysBetween(Date startDate, Date endDate) {Calendar fromCalendar = Calendar.getInstance ( );fromCalendar.setTime (startDate);fromCalendar.set (Calendar.HOUR_OF_DAY, 0);fromCalendar.set (Calendar.MINUTE, 0);fromCalendar.set (Calendar.SECOND, 0);fromCalendar.set (Calendar.MILLISECOND, 0);Calendar toCalendar = Calendar.getInstance ( );toCalendar.setTime (endDate);toCalendar.set (Calendar.HOUR_OF_DAY, 0);toCalendar.set (Calendar.MINUTE, 0);toCalendar.set (Calendar.SECOND, 0);toCalendar.set (Calendar.MILLISECOND, 0);return (toCalendar.getTime ( ).getTime ( ) - fromCalendar.getTime ( ).getTime ( )) / (1000 * 60 * 60 * 24);}/*** 两个时间相差距离多少天多少小时多少分多少秒** @param startDate 时间参数 1 格式：1990-01-01 12:00:00* @param endDate   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[] getDaysBetweenmm(String startDate, String endDate) {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 (startDate);two = df.parse (endDate);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;}/*** 根据指定的月字符串算出月初和月未的时间，精确到秒** @param monthStr* @return*/public static Date[] getDatetimeMonthLimit(String monthStr) {String start = monthStr + "-01 00:00:00";Date startTime = DateUtil.format (start);Calendar cal = Calendar.getInstance ( );cal.setTime (startTime);cal.set (Calendar.DATE, cal.getActualMaximum (Calendar.DATE));Date endTime = new Date (cal.getTime ( ).getTime ( ) + 24 * 60 * 60 * 1000l - 1l);return new Date[]{startTime, endTime};}/*** 上月* 根据指定的月字符串算出月初和月未的时间，精确到秒** @param monthStr* @return*/public static Date[] getDatetimePreMonthLimit(String monthStr) {String start = monthStr + "-01 00:00:00";Date startTime = DateUtil.format (start);Calendar cal = Calendar.getInstance ( );cal.setTime (startTime);cal.add (Calendar.MONTH, -1);startTime = cal.getTime ( );cal.set (Calendar.DATE, cal.getActualMaximum (Calendar.DATE));Date endTime = new Date (cal.getTime ( ).getTime ( ) + 24 * 60 * 60 * 1000l - 1l);return new Date[]{startTime, endTime};}/*** 根据指定的天字符串算出天开始和天结束的时间，精确到秒** @return*/public static Date[] getDatetimeDayLimit(String day) {String startStr = day + " 00:00:00";Date start = DateUtil.parseDate (startStr);return new Date[]{start, new Date (start.getTime ( ) + 24 * 60 * 60 * 1000l - 1l)};}/*** 前一天* 根据指定的天字符串算出天开始和天结束的时间，精确到秒** @return*/public static Date[] getDatetimePreDayLimit(String day) {String startStr = day + " 00:00:00";Date start = new Date (DateUtil.parseDate (startStr).getTime ( ) - 24 * 60 * 60 * 1000l);return new Date[]{start, new Date (start.getTime ( ) + 24 * 60 * 60 * 1000l - 1l)};}/*** 1 第一季度 2 第二季度 3 第三季度 4 第四季度** @param date* @return*/public static int getSeason(Date date) {int season = 0;Calendar c = Calendar.getInstance ( );c.setTime (date);int month = c.get (Calendar.MONTH);switch (month) {case Calendar.JANUARY:case Calendar.FEBRUARY:case Calendar.MARCH:season = 1;break;case Calendar.APRIL:case Calendar.MAY:case Calendar.JUNE:season = 2;break;case Calendar.JULY:case Calendar.AUGUST:case Calendar.SEPTEMBER:season = 3;break;case Calendar.OCTOBER:case Calendar.NOVEMBER:case Calendar.DECEMBER:season = 4;break;default:break;}return season;}/*** 根据指定的季度 算出季度初和季度未的时间，精确到秒** @param year    年份* @param nSeason 第几季度* @return*/public static Date[] getDatetimeSeasonLimit(int year, int nSeason) {Calendar c = Calendar.getInstance ( );Date[] season = new Date[2];c.set (year, Calendar.JANUARY, 1, 0, 0, 0);c.set (Calendar.MILLISECOND, 0);if (nSeason == 1) {// 第一季度c.set (Calendar.MONTH, Calendar.JANUARY);season[0] = c.getTime ( );c.set (Calendar.MONTH, Calendar.MARCH);c.set (Calendar.DATE, c.getActualMaximum (Calendar.DATE));season[1] = new Date (c.getTime ( ).getTime ( ) + 24 * 60 * 60 * 1000l - 1l);} else if (nSeason == 2) {// 第二季度c.set (Calendar.MONTH, Calendar.APRIL);season[0] = c.getTime ( );c.set (Calendar.MONTH, Calendar.JUNE);c.set (Calendar.DATE, c.getActualMaximum (Calendar.DATE));season[1] = new Date (c.getTime ( ).getTime ( ) + 24 * 60 * 60 * 1000l - 1l);} else if (nSeason == 3) {// 第三季度c.set (Calendar.MONTH, Calendar.JULY);season[0] = c.getTime ( );c.set (Calendar.MONTH, Calendar.SEPTEMBER);c.set (Calendar.DATE, c.getActualMaximum (Calendar.DATE));season[1] = new Date (c.getTime ( ).getTime ( ) + 24 * 60 * 60 * 1000l - 1l);} else if (nSeason == 4) {// 第四季度c.set (Calendar.MONTH, Calendar.OCTOBER);season[0] = c.getTime ( );c.set (Calendar.MONTH, Calendar.DECEMBER);c.set (Calendar.DATE, c.getActualMaximum (Calendar.DATE));season[1] = new Date (c.getTime ( ).getTime ( ) + 24 * 60 * 60 * 1000l - 1l);}return season;}/*** 上一季度* 根据指定的季度 算出季度初和季度未的时间，精确到秒** @param year    年份* @param nSeason 第几季度* @return*/public static Date[] getDatetimePreSeasonLimit(int year, int nSeason) {if (nSeason == 1) {nSeason = 4;year = year - 1;} else {nSeason = nSeason - 1;}return getDatetimeSeasonLimit (year, nSeason);}/*** 根据指定的年算出年初和年未的时间，精确到秒** @param year 年份* @return*/public static Date[] getDatetimeYearLimit(int year) {Calendar c = Calendar.getInstance ( );Date[] res = new Date[2];c.set (Calendar.YEAR, year);c.set (Calendar.MONTH, Calendar.JANUARY);res[0] = c.getTime ( );c.set (Calendar.MONTH, Calendar.DECEMBER);c.set (Calendar.DATE, c.getActualMaximum (Calendar.DATE));res[1] = new Date (c.getTime ( ).getTime ( ) + 24 * 60 * 60 * 1000l - 1l);return res;}/*** 去年* 根据指定的年算出年初和年未的时间，精确到秒** @param year 年份* @return*/public static Date[] getDatetimePreYearLimit(int year) {return getDatetimeYearLimit (year - 1);}/*** 获取加几天后的时间** @param date* @param number 天数数量* @return*/public static Date getNextDay(Date date, int number) {Calendar calendar = Calendar.getInstance ( );calendar.setTime (date);calendar.add (Calendar.DAY_OF_MONTH, +number);//+1今天的时间加一天date = calendar.getTime ( );return date;}/*** 计算俩个时间差多少天多少小时** @param endDate* @param nowDate* @return*/public static String getDatePoor(Date nowDate, Date endDate) {long nd = 1000 * 24 * 60 * 60l;long nh = 1000 * 60 * 60l;long nm = 1000 * 60l;// long ns = 1000;// 获得两个时间的毫秒时间差异long diff = endDate.getTime ( ) - nowDate.getTime ( );// 计算差多少天long day = diff / nd;// 计算差多少小时long hour = diff % nd / nh;// 计算差多少分钟long min = diff % nd % nh / nm;// 计算差多少秒//输出结果// long sec = diff % nd % nh % nm / ns;return day + "天" + hour + "小时";}/*** 计算俩个时间差多少天多少小时分钟** @param endDate* @param nowDate* @return*/public static String getDatePoor2(Date nowDate, Date endDate) {long nd = 1000 * 24 * 60 * 60l;long nh = 1000 * 60 * 60l;long nm = 1000 * 60l;// long ns = 1000;// 获得两个时间的毫秒时间差异long diff = endDate.getTime ( ) - nowDate.getTime ( );// 计算差多少天long day = diff / nd;// 计算差多少小时long hour = diff % nd / nh;// 计算差多少分钟long min = diff % nd % nh / nm;// 计算差多少秒//输出结果// long sec = diff % nd % nh % nm / ns;String tempStr = "";if (day > 0) {tempStr = day + "天";}if (hour > 0) {tempStr += hour + "小时";}if (min > 0) {tempStr += min + "分钟";}return tempStr;}/*** 计算俩个时间差多少分钟** @param endDate* @param nowDate* @return*/public static long getDatePoor3(Date nowDate, Date endDate) {long nm = 1000 * 60l;// long ns = 1000;// 获得两个时间的毫秒时间差异long diff = endDate.getTime ( ) - nowDate.getTime ( );Long tempLong = diff / nm;return tempLong;}public static String getTimes(String date) throws ParseException {String uu = "上午";if (Integer.valueOf (date.substring (0, 2)) > 12) {uu = "下午";}DateFormat dateFormat = new SimpleDateFormat ("hh:mm:ss");Date dates = null;dates = dateFormat.parse (date);date = dateFormat.format (dates);return uu + (date.substring (0, 5));}/*** 当前季度的开始时间** @return*/public static Date getCurrentQuarterStartTime() {Calendar c = Calendar.getInstance ( );int currentMonth = c.get (Calendar.MONTH) + 1;Date now = null;try {if (currentMonth >= 1 && currentMonth <= 3)c.set (Calendar.MONTH, 1);else if (currentMonth >= 4 && currentMonth <= 6)c.set (Calendar.MONTH, 3);else if (currentMonth >= 7 && currentMonth <= 9)c.set (Calendar.MONTH, 4);else if (currentMonth >= 10 && currentMonth <= 12)c.set (Calendar.MONTH, 9);c.set (Calendar.DATE, 1);} catch (Exception e) {e.printStackTrace ( );}return c.getTime ( );}/*** 当前季度的结束时间** @return*/public static Date getCurrentQuarterEndTime() {Calendar c = Calendar.getInstance ( );int currentMonth = c.get (Calendar.MONTH) + 1;try {if (currentMonth >= 1 && currentMonth <= 3) {c.set (Calendar.MONTH, 2);c.set (Calendar.DATE, 31);} else if (currentMonth >= 4 && currentMonth <= 6) {c.set (Calendar.MONTH, 5);c.set (Calendar.DATE, 30);} else if (currentMonth >= 7 && currentMonth <= 9) {c.set (Calendar.MONTH, 8);c.set (Calendar.DATE, 30);} else if (currentMonth >= 10 && currentMonth <= 12) {c.set (Calendar.MONTH, 11);c.set (Calendar.DATE, 31);}} catch (Exception e) {e.printStackTrace ( );}return c.getTime ( );}public static String getWeek(Date date) {String[] weeks = {"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 week_index = cal.get (Calendar.DAY_OF_WEEK) - 1;if (week_index < 0) {week_index = 0;}return weeks[week_index];}/*** 获取两个日期相隔天数  去掉时分秒，直接比对日** @param fDate* @param oDate* @return*/public static int getIntervalOfDays(Date fDate, Date oDate) {if (null == fDate || null == oDate) {return -1;}fDate = DateUtil.clearDate (fDate, 4).getTime ( );oDate = DateUtil.clearDate (oDate, 4).getTime ( );long intervalMilli = oDate.getTime ( ) - fDate.getTime ( );return (int) (intervalMilli / (24 * 60 * 60 * 1000));}public static String getStrTime(String cc_time) {BigDecimal bigDecimal = new BigDecimal (cc_time);System.out.print (" bigDecimal.longValue()" + bigDecimal.longValue ( ));String re_StrTime = null;SimpleDateFormat sdf = new SimpleDateFormat ("HH时mm分");long lcc_time = Long.valueOf (bigDecimal.longValue ( ));re_StrTime = sdf.format (new Date (lcc_time * 1000L));return re_StrTime;}public static int getMonth(Date date) {Calendar cal = Calendar.getInstance ( );cal.setTime (date);return cal.get (Calendar.MONTH) + 1;}public static int getYear(Date date) {Calendar now = Calendar.getInstance ( );now.setTime (date);return now.get (Calendar.YEAR);}public static Date getBeaferTime(Date date) {GregorianCalendar cal = new GregorianCalendar ( );cal.setTime (date);cal.add (Calendar.DATE, -1);return cal.getTime ( );}/*获取当前时间之前或之后几分钟 minute*/public static String getTimeByMinute(Date date, int minute) {Calendar calendar = Calendar.getInstance ( );calendar.setTime (date);calendar.add (Calendar.MINUTE, minute);return new SimpleDateFormat ("yyyy-MM-dd HH:mm:ss").format (calendar.getTime ( ));}/*** 接收日期格式字符转化为中文+日期格式* 刚刚（5分钟前）* 规则：①如果开课时间为当天的日期，显示“今天+时+分”* <p>* ②如果开课时间为昨天的日期，显示“昨天+时+分”* ③如果开课时间为前天的日期，显示“前天+时+分”* ④如果开课时间为明天的日期，显示“明天+时+分”* ⑤如果开课时间为后天的日期，显示“后天+时+分”* ⑥如果开课时间超出后天，并且还在当前周内，显示“本周X+时+分”* ⑦其余日期均显示“月-日  时：分”* ⑧如果开课时间不是当前年，显示“年-月-日 时：分”** @param date* @return*/public static String transFormationStringDate2(String date) {long[] daysBetweenmm = getDaysBetweenmm (date, format (new Date ( )));if (daysBetweenmm[0] == 0 && daysBetweenmm[1] == 0 && daysBetweenmm[2] < 6) {return "刚刚";}return transFormationStringDate (date);}public static String transFormationStringDate(String date) {Date now = new Date ( );SimpleDateFormat sss = new SimpleDateFormat ("yyyy-MM-dd HH:mm:ss");return transFormationStringDate (date, now, sss.format (now));}/*** 接收日期格式字符转化为中文+日期格式* 规则：①如果开课时间为当天的日期，显示“今天+时+分”* ②如果开课时间为昨天的日期，显示“昨天+时+分”* ③如果开课时间为前天的日期，显示“前天+时+分”* ④如果开课时间为明天的日期，显示“明天+时+分”* ⑤如果开课时间为后天的日期，显示“后天+时+分”* ⑥如果开课时间超出后天，并且还在当前周内，显示“本周X+时+分”* ⑦其余日期均显示“月-日  时：分”* ⑧如果开课时间不是当前年，显示“年-月-日 时：分”** @param date* @return*/public static String transFormationStringDate(String date, Date newDate, String newDateStr) {SimpleDateFormat sss = new SimpleDateFormat ("yyyy-MM-dd HH:mm:ss");try {String yyyyStr = date.substring (0, 4);String mmStr = date.substring (5, 7);String ddStr = date.substring (8, 10);String hhStr = date.substring (11, 13);String MMStr = date.substring (14, 16);String ssStr = date.substring (17, 19);int yyyy = Integer.parseInt (yyyyStr);int mm = Integer.parseInt (mmStr);int dd = Integer.parseInt (ddStr);int hh = Integer.parseInt (hhStr);int MM = Integer.parseInt (MMStr);int ss = Integer.parseInt (ssStr);int yyyy1 = Integer.parseInt (newDateStr.substring (0, 4));int mm1 = Integer.parseInt (newDateStr.substring (5, 7));int dd1 = Integer.parseInt (newDateStr.substring (8, 10));if (yyyy != yyyy1) {//如果开课时间不是当前年，显示“年-月-日 时：分”return yyyyStr + "-" + mmStr + "-" + ddStr + " " + hhStr + ":" + MMStr;}if (mm == mm1 && dd == dd1) {//如果开课时间为当天的日期，显示“今天+时+return "今天" + " " + hhStr + ":" + MMStr;}Date allDate = sss.parse (date);Long daysBetween = getDaysBetween (newDate, allDate);if (daysBetween == -1) {//如果开课时间为昨天的日期，显示“昨天+时+分”return "昨天" + " " + hhStr + ":" + MMStr;}if (daysBetween == -2) {//如果开课时间为前天的日期，显示“前天+时+分”return "前天" + " " + hhStr + ":" + MMStr;}if (daysBetween == 1) {//如果开课时间为明天的日期，显示“明天+时+分”return "明天" + " " + hhStr + ":" + MMStr;}if (daysBetween == 2) {//如果开课时间为后天的日期，显示“后天+时+分”return "后天" + " " + hhStr + ":" + MMStr;}if (daysBetween > 2 || daysBetween < -2) {//如果开课时间超出后天Date firstDayOfWeek1 = getFirstDayOfWeek (newDate);//当前日期所在周的第一天Date firstDayOfWeek2 = getFirstDayOfWeek (allDate);//传入日期所在周的第一天if (firstDayOfWeek1.getTime ( ) == firstDayOfWeek2.getTime ( )) {//并且还在当前周内，显示“本周X+时+分”Long ad = getDaysBetween (firstDayOfWeek1, allDate);switch (ad.intValue ( )) {case 0:return "本周一" + " " + hhStr + ":" + MMStr;case 1:return "本周二" + " " + hhStr + ":" + MMStr;case 2:return "本周三" + " " + hhStr + ":" + MMStr;case 3:return "本周四" + " " + hhStr + ":" + MMStr;case 4:return "本周五" + " " + hhStr + ":" + MMStr;case 5:return "本周六" + " " + hhStr + ":" + MMStr;case 6:return "本周日" + " " + hhStr + ":" + MMStr;}}}//其余日期均显示“月-日  时：分”return mmStr + "-" + ddStr + " " + hhStr + ":" + MMStr;//format(allDate,"MM-dd HH:mm");} catch (Exception e) {return "日期格式字符转化错误";}}/*** 获取时间的各组成部分** @param date* @return*/public static int getYMDDate(Date date, String format) {SimpleDateFormat sdf = null;try {if (!StringUtils.isEmpty (format)) {if ("yyyy".equals (format)) {sdf = new SimpleDateFormat ("yyyy");String formatY = sdf.format (date);return Integer.parseInt (formatY);} else if ("MM".equals (format)) {sdf = new SimpleDateFormat ("MM");String formatY = sdf.format (date);return Integer.parseInt (formatY);} else if ("dd".equals (format)) {sdf = new SimpleDateFormat ("dd");String formatY = sdf.format (date);return Integer.parseInt (formatY);}}return 0;} catch (Exception e) {return 0;}}/*** 接受开播时间与结束时间 返回播放状态（）** @param startTime* @param endTime* @return*/public static String getStatusStr(String startTime, String endTime) {if (!StringUtils.isEmpty (endTime)) {return "0";}Date date = new Date ( );if (StringUtils.isEmpty (startTime)) {long time = format (startTime).getTime ( );if (time > date.getTime ( )) {return "1";} else {return "2";}}return "";}public static void main(String[] args) {String date = "2018-01-12 12:07:06";int yyyy = Integer.parseInt (date.substring (0, 4));int mm = Integer.parseInt (date.substring (5, 7));int dd = Integer.parseInt (date.substring (8, 10));int hh = Integer.parseInt (date.substring (11, 13));int MM = Integer.parseInt (date.substring (14, 16));int ss = Integer.parseInt (date.substring (17, 19));//System.out.println (yyyy);//System.out.println (mm);//System.out.println (dd);//System.out.println (hh);//System.out.println (MM);//System.out.println (ss);}/*** @describe: 获取当天的0点0分0秒的日期和23点59分59秒的日期* @returnType Date* @createTime 2018年4月28日下午6:21:28*/public static Date getNeedTime(int hour, int minute, int second, int day){Calendar calendar = Calendar.getInstance();if(day != 0){calendar.add(Calendar.DATE,day);}calendar.set(Calendar.HOUR_OF_DAY,hour);calendar.set(Calendar.MINUTE,minute);calendar.set(Calendar.SECOND,second);return calendar.getTime();}/*** 取得前一天的时间 返回DATE** @param date* @return*/public static Date getOneDayBefore(Date date) {GregorianCalendar cal = new GregorianCalendar();cal.setTime (date);cal.add (Calendar.DATE, -1);Date time = cal.getTime();return time;}
}
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