自定义日期工具类

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我是靠谱客的博主如意画笔，最近开发中收集的这篇文章主要介绍自定义日期工具类，觉得挺不错的，现在分享给大家，希望可以做个参考。

概述

/**
* 日期工具类，如格式化日期、获得制定格式的日期、比较日期大小
*/
public class DateUtil {
   int year;

   int month;

   int day;

   int hour;

   int minute;

   int second;

   int millisecond;

   String tempMonth;

   GregorianCalendar gc;

   Calendar calendar = new GregorianCalendar();

   public DateUtil() {

   }
   public static Date parsetoDate(String dateStr,String format) throws ParseException{
       SimpleDateFormat formatter = new SimpleDateFormat(format);
       return formatter.parse(dateStr);
   }
   /**
   * 格式化日期显示格式
   *
   * @param sdate ：
   * 原始日期
   * @param format
   * ：格式化后日期格式
   * @return 格式化后的日期显示
   */
   public static String dateFormat(String sdate, String format) {
       SimpleDateFormat formatter = new SimpleDateFormat(format);
       java.sql.Date date = java.sql.Date.valueOf(sdate);
       String dateString = formatter.format(date);
       return dateString;
   }

/**
* 获取两个日期间间所有日期字串数组格式 yyyy-MM-dd 包括开始和截止日期
* @param startDay
* @param endDay
* @return
* @throws ParseException
*/
   public static List<String> getDaysByDay(String startDay,String endDay) throws ParseException{

       List<String> dateStrs = new ArrayList<String>();
       Calendar startCalendar = Calendar.getInstance();
       Calendar endCalendar = Calendar.getInstance();
       SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd");
       Date startDate = df.parse(startDay);
       startCalendar.setTime(startDate);
       Date endDate = df.parse(endDay);
       endCalendar.setTime(endDate);
       if(startDay.equals(endDay)){
           dateStrs.add(startDay);
           return dateStrs;
       }
       dateStrs.add(startDay);
       while(true){
           startCalendar.add(Calendar.DAY_OF_MONTH, 1);
           if(startCalendar.getTimeInMillis() < endCalendar.getTimeInMillis()){//TODO 转数组或是集合，楼主看着写吧
               dateStrs.add(df.format(startCalendar.getTime()));
           }else{
               break;
           }
       }
       dateStrs.add(endDay);
       return dateStrs;
   }

   /**
   * 格式化日期显示格式
   *
   * @param date
   * ：原始日期
   * @param format
   * ：格式化后日期格式
   * @return 格式化后的日期显示
   */
   public static String dateFormat(java.util.Date date, String format) {
       SimpleDateFormat formatter = new SimpleDateFormat(format);
       String dateString = formatter.format(date);
       return dateString;
   }

   /**
   * 格式化Date类型日期为String类型并过滤指定的日期字符串
   * @param date           原始日期
   * @param format       格式化后日期格式
   * @param filterDateStr   需要过滤的日期字符串,多个可用逗号隔开
   * @return
   */
   public static String dateFormatFilter(java.util.Date date, String format, String filterDateStr){
       if(date == null)return "";
       String dateStr = dateFormat(date, format);
       if(StringUtilsCrew.isEmpty(dateStr) || filterDateStr.contains(dateStr))return "";
       return dateStr;
   }

   /**
   * 求两个日期相差天数
   *
   * @param sd
   * ：起始日期，格式yyyy-MM-dd
   * @param ed
   * ：终止日期，格式yyyy-MM-dd
   * @return 两个日期相差天数
   */
   public long getIntervalDays(String sd, String ed) {
       return ((java.sql.Date.valueOf(ed)).getTime() - (java.sql.Date
               .valueOf(sd)).getTime())
               / (3600 * 24 * 1000);
   }

   /**
   * 求两个日期相差天数
   *
   * @param fDate
   * ：起始日期，格式yyyy-MM-dd
   * @param oDate
   * ：终止日期，格式yyyy-MM-dd
   * @return 两个日期相差天数,返回整数天数
   */
   public static int getIntervalDaysInteger(Date fDate, Date oDate) {

   if (null == fDate || null == oDate) {

   return -1;

   }

   long intervalMilli = oDate.getTime() - fDate.getTime();

   return (int) (intervalMilli / (24 * 60 * 60 * 1000));

   }
   /**
   * 格式化日期显示格式yyyy-MM-dd
   *
   * @param sdate
   * ：原始日期格式
   * @return yyyy-MM-dd格式化后的日期显示
   */
   public static String dateFormat(String sdate) {
       return dateFormat(sdate, "yyyy-MM-dd");
   }

   /**
   * 取得当前日期和时间
   */
   public void getDateCur() {
       year = calendar.get(GregorianCalendar.YEAR);
       month = (calendar.get(GregorianCalendar.MONTH) + 1);
       day = calendar.get(GregorianCalendar.DAY_OF_MONTH);
       gc = new GregorianCalendar(year, month, day);

       hour = calendar.get(GregorianCalendar.HOUR_OF_DAY);
       minute = (calendar.get(GregorianCalendar.MINUTE));
       second = (calendar.get(GregorianCalendar.SECOND));
   }

   public String getDateTime(long datetime) {
       java.util.Date date = new java.util.Date(datetime);

       java.util.Calendar tempCalendar = new java.util.GregorianCalendar();
       tempCalendar.setTime(date);
       return Integer.toString(tempCalendar.get(Calendar.YEAR)) + "-"
               + Integer.toString(tempCalendar.get(Calendar.MONTH) + 1) + "-"
               + Integer.toString(tempCalendar.get(Calendar.DAY_OF_MONTH))
               + " "
               + Integer.toString(tempCalendar.get(Calendar.HOUR_OF_DAY))
               + ":" + Integer.toString(tempCalendar.get(Calendar.MINUTE))
               + ":"
               + Integer.toString(tempCalendar.get(GregorianCalendar.SECOND));
   }

   /**
   * 获得当前时间的小时数
   *
   * @return 当前时间的小时数
   */
   public String getTimeHour() {
       getDateCur();
       return Integer.toString(this.hour);
   }

   /**
   * 获得当前时间的分钟数
   *
   * @return 当前时间的分钟数
   */
   public String getTimeMinute() {
       getDateCur();
       return Integer.toString(this.minute);
   }

   /**
   * 得到当前时间
   *
   * @return 当前时间，格式yyyy-MM-dd hh:mm:ss
   */
   public String getDateTime() {
       getDateCur();
       return Integer.toString(this.year) + "-" + Integer.toString(this.month)
               + "-" + Integer.toString(this.day) + " "
               + Integer.toString(this.hour) + ":"
               + Integer.toString(this.minute) + ":"
               + Integer.toString(this.second);
   }

   /**
   * 获得固定间隔的日期，如前60天dateAdd(-60)，后60天dateAdd(60)
   *
   * @param amount
   * ：距今天的间隔日期长度，向前为负，向后为正
   * @return 固定间隔的日期，格式yyyy-MM-dd
   */
   public String dateAdd(int amount) {
       Calendar cal = new GregorianCalendar();
       java.util.Date trialTime = new java.util.Date();
       cal.setTime(trialTime);
       cal.add(GregorianCalendar.DATE, amount);
       int y = cal.get(GregorianCalendar.YEAR);
       int m = cal.get(GregorianCalendar.MONTH) + 1;
       int d = cal.get(GregorianCalendar.DAY_OF_MONTH);
       String mm = "";
       if(m<10){
           mm = "0"+m;
       }else{
           mm = ""+m;
       }
       String dd = "";
       if(d<10){
           dd = "0"+d;
       }else{
           dd = ""+d;
       }
       String ymd = Integer.toString(y) + "-" + mm + "-"
               + dd;
return dateFormat(ymd, "yyyy-MM-dd");
   }

   /**
   * 获得固定间隔的日期，如前60天dateAdd(-60)，后60天dateAdd(60)
   *
   * @param sourceDate
   * ：某一日期
   * @param amount
   * ：距某一日期的间隔日期长度，向前为负，向后为正
   * @return 固定间隔的日期，格式yyyy-MM-dd
   */
   public String dateAdd(String sourceDate, int amount) {
       Calendar cal = new GregorianCalendar();
       java.sql.Date trialTime = java.sql.Date.valueOf(sourceDate);
       cal.setTime(trialTime);
       cal.add(GregorianCalendar.DATE, amount);
       int y = cal.get(GregorianCalendar.YEAR);
       int m = cal.get(GregorianCalendar.MONTH) + 1;
       int d = cal.get(GregorianCalendar.DAY_OF_MONTH);
       String mm = "";
       if(m<10){
           mm = "0"+m;
       }else{
           mm = ""+m;
       }
       String dd = "";
       if(d<10){
           dd = "0"+d;
       }else{
           dd = ""+d;
       }
       String ymd = Integer.toString(y) + "-" + mm + "-"
               + dd;

       return dateFormat(ymd, "yyyy-MM-dd");
   }

   /**
   * 得到每月的最后日期
   *
   * @param theMonth
   * ：月份
   * @return 该月的最后日期
   */
   public int daysInMonth(int theMonth) {
       int[] daysInMonths = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
       daysInMonths[1] += gc.isLeapYear(year) ? 1 : 0;
       return daysInMonths[theMonth - 1];
   }

   /**
   * 输入yyyy/mm字符串，得到该月的最大日期
   *
   * @param yMonth
   * ：某年的某一月份
   * @return 该年该月的最大日期
   */
   public int lastDayInMonth(String yMonth) {
       String thisDate = yMonth;
       // thisDate = dateFormat(thisDate,"yyyy-MM");
       month = Integer.parseInt(thisDate.substring(5, 7));
       year = Integer.parseInt(thisDate.substring(0, 4));
       gc = new GregorianCalendar(year, month, 1);
       int lastday = daysInMonth(month);
       return lastday;
   }

   /**
   * 得到上一个月的月份
   *
   * @return 上一个月的月份
   */
   public int reduceMonth() {
       if (month == 1) {
           month = 12;
           year--;
       } else {
           month--;
       }
       return month;
   }

   /**
   * 得到下一个月的月份
   *
   * @return 下一个月的月份
   */
   public int nextMonth() {
       if (month == 12) {
           month = 1;
           year++;
       } else {
           month++;
       }
       return month;
   }

   /**
   * 已知年月yyyy-MM，获得下月yyyy-MM
   *
   * @param thisMonth
   * ：当前年月
   * @return 下一年月
   */
   public String getNextMonth(String thisMonth) {
       int intYear = Integer.parseInt(thisMonth.substring(0, 4));
       int intMonth = Integer.parseInt(thisMonth.substring(thisMonth
               .indexOf("-") + 1));
       if (intMonth == 12) {
           intMonth = 1;
           intYear++;
       } else {
           intMonth++;
       }
       if (intMonth < 10) {
           tempMonth = "0" + Integer.toString(intMonth);
       } else {
           tempMonth = Integer.toString(intMonth);
       }
       return intYear + "-" + tempMonth;
   }

   /**
   * 获得起始年月yyyy-MM与终止月yyyy-MM之间跨度的月数
   *
   * @param beginMonth
   * ：起始年月yyyy-MM
   * @param endMonth
   * ：终止月yyyy-MM
   * @return 月份之间的跨度
   */
   public static int getInterval(String beginMonth, String endMonth) {
       int intBeginYear = Integer.parseInt(beginMonth.substring(0, 4));
       int intBeginMonth = Integer.parseInt(beginMonth.substring(beginMonth
               .indexOf("-") + 1));
       int intEndYear = Integer.parseInt(endMonth.substring(0, 4));
       int intEndMonth = Integer.parseInt(endMonth.substring(endMonth
               .indexOf("-") + 1));

       return (intEndYear - intBeginYear) * 12 + (intEndMonth - intBeginMonth)
               + 1;
   }
   /**
   * 功能：计算两日期之间的天数
   * @param String startDay 开始日期
   * @param String endDay 结束日期
   * @return int 天数
   */
   public static int getDays(String startDay, String endDay) {
       Calendar sDate = Calendar.getInstance();
       Calendar eDate = Calendar.getInstance();
       String tmpDay = "";

       int year;
       int month;
       int day;

       tmpDay = formatDateYYYYMMDD(startDay);
       year = Integer.parseInt(tmpDay.substring(0, 4));
       month = Integer.parseInt(tmpDay.substring(5, 7));
       day = Integer.parseInt(tmpDay.substring(8, 10));
       month -= 1;
       sDate.set(year, month, day, 0, 0, 0);

       tmpDay = formatDateYYYYMMDD(endDay);
       year = Integer.parseInt(tmpDay.substring(0, 4));
       month = Integer.parseInt(tmpDay.substring(5, 7));
       day = Integer.parseInt(tmpDay.substring(8, 10));
       month -= 1;
       eDate.set(year, month, day, 0, 0, 0);

       day =
           (int) ((eDate.getTime().getTime() - sDate.getTime().getTime())
               / 1000
               / 3600
               / 24);
       return day;
   }

   /**
   * 功能：计算两日期之间的工作日天数
   * @param startDay 开始日期，格式为YYYY-MM-DD
   * @param endDay 结束日期，格式为YYYY-MM-DD
   * @return 工作日天数
   * @throws SQLException
   * @throws DataAccessException
   */
   public static int getWorkDays(Date startDay, Date endDay) throws DataAccessException, SQLException{
       if(startDay==null || endDay==null){
           return 0;
       }

       int days = 0;
       JDBCDataSource datasource = JDBCDataSource.getJDBCDataSource();
       PreparedStatement ps = null;
       ResultSet rs = null;
       Calendar sCal = Calendar.getInstance();
       Calendar eCal = Calendar.getInstance();
       sCal.setTime(startDay);
       eCal.setTime(endDay);
       if(eCal.compareTo(sCal)==0){//如果开始日期与结束日期一样，直接返回1天
           days = 1;
           return days;
       } else{//当开始日期与结束日期不一样时
           while(eCal.compareTo(sCal)>0){
               //先算出这个时间段内有多少工作日（只去除周末，不去除节假日）
               int day = sCal.get(Calendar.DAY_OF_WEEK);
               if(day!=Calendar.SATURDAY&&day!=Calendar.SUNDAY){
                   days++;
               }
               sCal.add(Calendar.DATE, 1);
           }
       }
       //再到节假日表中查询在这个时间段内有没有维护的节假日
       DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
       String startDayStr = df.format(startDay).substring(0,10)+" 00:00:00";
       String endDayStr = df.format(endDay);
       String sql = "SELECT * FROM T_Dict_Holiday WHERE holiday_date BETWEEN to_date('"+startDayStr+"','yyyy-mm-dd hh24:mi:ss') AND to_date('"+endDayStr+"','yyyy-mm-dd hh24:mi:ss') and valid_flag = '1'";
       int jjr = 0;
       int gzr = 0;
       ps = datasource.getConnection().prepareStatement(sql);
       rs = ps.executeQuery();
       while(rs.next()){
           Date holiday_date = rs.getDate("holiday_date");
           if("1".equals(rs.getString("holiday_flag"))){// 节假日
               // 如果这天本来就是周末，又维护的是节假日，就不应该再加一天了，上面的days计算的就是去掉周末的
               boolean flag = isWeekend(holiday_date);
               if(!flag){
                   jjr++;
               }
           } else if("0".equals(rs.getString("holiday_flag"))){// 工作日
               // 如果这天是周末，又维护为工作日，才加一天，如果本来就是工作日，在上面已经计算进去了，不需要再加
               boolean flag = isWeekend(holiday_date);
               if(flag){
                   gzr++;
               }
           }
       }
       if(rs!=null){
           rs.close();
       }
       if(ps!=null){
           ps.close();
       }
       days = days-jjr+gzr;
       return days;
   }

   /**
   * 是否为周末
   * @param date
   * @return
   */
   public static boolean isWeekend(Date date){
       boolean flag = false;
       Calendar cal = Calendar.getInstance();
       cal.setTime(date);
       int day = cal.get(Calendar.DAY_OF_WEEK);
       if(day==Calendar.SATURDAY||day==Calendar.SUNDAY){
           flag = true;
       }
       return flag;
   }

   /**
   * 功能：将日期转为标准格式YYYY-MM-DD
   * @param String dt (YYYY-M-D,YYYY-M-DD,YYYY-MM-D)
   */
   public static String formatDateYYYYMMDD(String dt) {
       String retDt = "";
       try {
           if (null == dt || dt.length() == 0)
               return "";
           else {
               String year = "";
               String month = "";
               String date = "";
               int idx = dt.indexOf("-", 5);
               if (idx == -1)
                   return "";
               year = dt.substring(0, 4);
               month = dt.substring(5, idx);
               if (month.length() == 1)
                   month = "0" + month;
               date = dt.substring(idx + 1);
               if (date.length() == 1)
                   date = "0" + date;
               retDt = year + "-" + month + "-" + date;
           }
           return retDt;
       } catch (Exception e) {
           return "";
       }
   }
   /**
   * 得到前一天的日期
   *
   * @return 前一天的日期
   */
   public int reduceDay() {
       if (day == 1) {
           month = reduceMonth();
           day = daysInMonth(month);
       } else {
           day--;
       }
       return day;
   }

   /**
   * 得到昨天的日期，返回格式如yyyy-mm-dd
   *
   * @return java.lang.String
   */
   public String getYestoday() {
       getDateCur();
       day = reduceDay();
       String mon = "";
       String day1 = "";
       if (day < 10) {
           day1 = "0" + Integer.toString(day);
       } else {
           day1 = Integer.toString(day);
       }
       if (month < 10) {
           mon = "0" + Integer.toString(month);
       } else {
           mon = Integer.toString(month);
       }
       return Integer.toString(year) + "-" + mon + "-" + day1;
   }

   /**
   * 得到上月返回格式如yyyy-mm
   *
   * @return java.lang.String
   */
   public String getLastMonth() {
       getDateCur();
       month = reduceMonth();
       if (month < 10) {
           tempMonth = "0" + Integer.toString(month);
       } else {
           tempMonth = Integer.toString(month);
       }
       return Integer.toString(year) + "-" + tempMonth;
   }

   /**
   * 取得与当前时间相隔几年后的时间
   *
   * @param interval
   * ：年份间隔
   * @return 与当前时间相隔几年后的时间，返回格式yyyy-MM-dd
   */
   public String getDateAfterYear(int interval) {
       this.getToday();

       year = year + interval;

       String mon = "";
       String day1 = "";

       day = this.reduceDay();

       if (day > this.daysInMonth(month)) {
           day = this.daysInMonth(month);
       }

       if (day < 10) {
           day1 = "0" + Integer.toString(day);
       } else {
           day1 = Integer.toString(day);
           ;
       }
       if (month < 10) {
           mon = "0" + Integer.toString(month);
       } else {
           mon = Integer.toString(month);
       }
       return Integer.toString(year) + "-" + mon + "-" + day1;
   }

   /**
   * 取得与当前时间相隔几个月后的时间
   *
   * @param interval
   * ：月份间隔
   * @return 与当前时间相隔几个月后的时间，返回格式yyyy-MM-dd
   */
   public String getDateAfterMonth(int interval) {
       this.getToday();

       if (month + interval > 0) {
           if (month + interval > 12) {
               // 求余
               int yearIncrease = (month + interval) / 12;

               year = year + yearIncrease;

               // 求倍数
               month = (month + interval) % 12;
           } else {
               month = month + interval;
           }
       } else {
           if (Math.abs(month + interval) > 12) {
               // 求余
               int yearIncrease = Math.abs(month + interval) / 12;

               year = year - yearIncrease;

               // 求倍数
               month = 12 - Math.abs(month + interval) % 12;
           } else {
               year = year - 1;
               month = 12 - Math.abs(month + interval);
           }
       }

       String mon = "";
       String day1 = "";

       day = this.reduceDay();

       if (day > this.daysInMonth(month)) {
           day = this.daysInMonth(month);
       }

       if (day < 10) {
           day1 = "0" + Integer.toString(day);
       } else {
           day1 = Integer.toString(day);
           ;
       }
       if (month < 10) {
           mon = "0" + Integer.toString(month);
       } else {
           mon = Integer.toString(month);
       }
       return Integer.toString(year) + "-" + mon + "-" + day1;
   }

   /**
   * 得到去年返回格式如yyyy
   *
   * @return java.lang.String
   */
   public String getLastYear() {
       getDateCur();
       year--;
       return Integer.toString(year);
   }

   /**
   * 得到今天的日期，返回格式如yyyy-mm-dd
   *
   * @return java.lang.String
   */
   public String getToday() {
       getDateCur();
       String mon = "";
       String day1 = "";
       if (day < 10) {
           day1 = "0" + Integer.toString(day);
       } else {
           day1 = Integer.toString(day);
           ;
       }
       if (month < 10) {
           mon = "0" + Integer.toString(month);
       } else {
           mon = Integer.toString(month);
       }
       return Integer.toString(year) + "-" + mon + "-" + day1;
   }

   /**
   * 获得本月，返回格式如yyyy-mm
   *
   * @return java.lang.String
   */
   public String getCurMonth() {
       getDateCur();
       if (month < 10) {
           tempMonth = "0" + Integer.toString(month);
       } else {
           tempMonth = Integer.toString(month);
       }
       return Integer.toString(year) + "-" + tempMonth;
   }

   /**
   * 获得今年，返回格式如yyyy
   *
   * @return java.lang.String
   */
   public String getCurYear() {
       getDateCur();
       return Integer.toString(year);
   }

   /**
   * 返回上月的最大日期格式为yyyy-mm-dd
   *
   * @return java.lang.String
   */
   public String getPriorMonthLastDay() {
       getDateCur();
       month = reduceMonth();
       day = daysInMonth(month);
       return dateFormat(Integer.toString(year) + "-"
               + Integer.toString(month) + "-" + Integer.toString(day),
               "yyyy-MM-dd");
   }

   /**
   * 返回上月的最小日期格式为yyyy-mm-dd
   *
   * @return java.lang.String
   */
   public String getPriorMonthFirstDay() {
       getDateCur();
       month = reduceMonth();
       return dateFormat(Integer.toString(year) + "-"
               + Integer.toString(month) + "-01", "yyyy-MM-dd");
   }

   /**
   * 返回本月的最大日期格式为yyyy-mm-dd
   *
   * @return java.lang.String
   */
   public String getThisMonthLastDay() {
       getDateCur();
       day = daysInMonth(month);
       return dateFormat(Integer.toString(year) + "-"
               + Integer.toString(month) + "-" + Integer.toString(day),
               "yyyy-MM-dd");
   }

   /**
   * 返回本月的最小日期格式为yyyy-mm-dd
   *
   * @return java.lang.String
   */
   public String getThisMonthFirstDay() {
       getDateCur();
       return dateFormat(Integer.toString(year) + "-"
               + Integer.toString(month) + "-01", "yyyy-MM-dd");
   }

   /**
   * 返回下月的最大日期格式为yyyy-mm-dd
   *
   * @return java.lang.String
   */
   public String getNextMonthLastDay() {
       getDateCur();
       month = nextMonth();
       day = daysInMonth(month);
       return dateFormat(Integer.toString(year) + "-"
               + Integer.toString(month) + "-" + Integer.toString(day),
               "yyyy-MM-dd");
   }

   /**
   * 返回下月的最小日期格式为yyyy-mm-dd
   *
   * @return java.lang.String
   */
   public String getNextMonthFirstDay() {
       getDateCur();
       month = nextMonth();
       return dateFormat(Integer.toString(year) + "-"
               + Integer.toString(month) + "-01", "yyyy-MM-dd");
   }

   /**
   * 返回日期格式为yyyymmddhhmmssfff
   *
   * @return java.lang.String
   */
   public String getTimeCur() {
       year = calendar.get(GregorianCalendar.YEAR);
       month = (calendar.get(GregorianCalendar.MONTH) + 1);
       day = calendar.get(GregorianCalendar.DAY_OF_MONTH);
       hour = calendar.get(GregorianCalendar.HOUR_OF_DAY);
       minute = (calendar.get(GregorianCalendar.MINUTE));
       second = (calendar.get(GregorianCalendar.SECOND));
       millisecond = (calendar.get(GregorianCalendar.MILLISECOND));
       String months = Integer.toString(month);
       String days = Integer.toString(day);
       String hours = Integer.toString(hour);
       String minutes = Integer.toString(minute);
       String seconds = Integer.toString(second);
       String milliseconds = Integer.toString(millisecond);
       if (month < 10) {
           months = "0" + months;
       }
       if (day < 10) {
           days = "0" + days;
       }
       if (hour < 10) {
           hours = "0" + hours;
       }
       if (minute < 10) {
           minutes = "0" + minutes;
       }
       if (second < 10) {
           seconds = "0" + seconds;
       }
       if (millisecond < 10) {
           milliseconds = "00" + milliseconds;
       } else if (millisecond < 100) {
           milliseconds = "0" + milliseconds;
       }
       return Integer.toString(year) + months + days + hours + minutes
               + seconds + milliseconds;
   }

   /**
   * 格式化日期值，对一位的月日时分妙补零
   *
   * @param str
   * ：String 日期字符串
   * @return String 格式化后的日期字符串
   */
   public String formatDate(String str) {
       String yy = "", mm = "", dd = "", hh = "", ff = "", mmm = "";
       int m = 0;
       int j = 0;
       for (int i = 0; i <= str.length(); i++) {
           if (i == str.length() || str.substring(i, i + 1).equals("-")
                   || str.substring(i, i + 1).equals(" ")
                   || str.substring(i, i + 1).equals(":")) {
               m++;
               if (m == 1) {
                   yy = str.substring(j, i);
               }
               if (m == 2) {
                   mm = str.substring(j, i);
                   if (mm.length() == 1) {
                       mm = "0" + mm;
                   }
               }
               if (m == 3) {
                   dd = str.substring(j, i);
                   if (dd.length() == 1) {
                       dd = "0" + dd;
                   }
               }
               if (m == 4) {
                   hh = str.substring(j, i);
                   if (hh.length() == 1) {
                       hh = "0" + hh;
                   }
               }
               if (m == 5) {
                   ff = str.substring(j, i);
                   if (ff.length() == 1) {
                       ff = "0" + ff;
                   }
               }
               if (m == 6) {
                   mmm = str.substring(j, i);
                   if (mmm.length() == 1) {
                       mmm = "0" + mmm;
                   }
               }
               j = i + 1;
           }
       }
       return (yy + "-" + mm + "-" + dd + " " + hh + ":" + ff + ":" + mmm);

   }
   /**
   * 返回中文年月日格式，不带零（2017年1月1日）
   * @param str
   * @return
   */
   public static String formatDateCnCert(String str) {
       String yy = "", mm = "", dd = "", hh = "", ff = "", mmm = "";
       int m = 0;
       int j = 0;
       for (int i = 0; i <= str.length(); i++) {
           if (i == str.length() || str.substring(i, i + 1).equals("-")
                   || str.substring(i, i + 1).equals(" ")
                   || str.substring(i, i + 1).equals(":")) {
               m++;
               if (m == 1) {
                   yy = str.substring(j, i);
               }
               if (m == 2) {
                   mm = str.substring(j, i);
                   if (mm.length() == 2 && mm.charAt(0)=='0') {
                       mm = mm.substring(1,2);
                   }
               }
               if (m == 3) {
                   dd = str.substring(j, i);
                   if (dd.length() == 2 && dd.charAt(0)=='0') {
                       dd = dd.substring(1,2);
                   }
               }
               if (m == 4) {
                   hh = str.substring(j, i);
                   if (hh.length() == 1) {
                       hh = "0" + hh;
                   }
               }
               if (m == 5) {
                   ff = str.substring(j, i);
                   if (ff.length() == 1) {
                       ff = "0" + ff;
                   }
               }
               if (m == 6) {
                   mmm = str.substring(j, i);
                   if (mmm.length() == 1) {
                       mmm = "0" + mmm;
                   }
               }
               j = i + 1;
           }
       }

       return yy+"年"+mm+"月"+dd+"日";
   }
   /**
   * 返回英文格式日期static:14 Jan, 2008
   * @param str
   * @return
   */
   public static String formatDateEnStatic(String str) {
       String yy = "", mm = "", dd = "", hh = "", ff = "", mmm = "";
       int m = 0;
       int j = 0;
       for (int i = 0; i <= str.length(); i++) {
           if (i == str.length() || str.substring(i, i + 1).equals("-")
                   || str.substring(i, i + 1).equals(" ")
                   || str.substring(i, i + 1).equals(":")) {
               m++;
               if (m == 1) {
                   yy = str.substring(j, i);
               }
               if (m == 2) {
                   mm = str.substring(j, i);
                   /*if (mm.length() == 1) {
                       mm = "0" + mm;
                   }*/
               }
               if (m == 3) {
                   dd = str.substring(j, i);
                   /*if (dd.length() == 2) {
                       dd = dd.substring(1,2);
                   } */
                   if(Integer.parseInt(dd) < 10){
                       if (dd.length() == 2) {
                           dd = dd.substring(1,2);
                       }
                   }else{
                       if (dd.length() == 2) {
                           dd = dd.substring(0,2);
                       }
                   }
               }
               if (m == 4) {
                   hh = str.substring(j, i);
                   if (hh.length() == 1) {
                       hh = "0" + hh;
                   }
               }
               if (m == 5) {
                   ff = str.substring(j, i);
                   if (ff.length() == 1) {
                       ff = "0" + ff;
                   }
               }
               if (m == 6) {
                   mmm = str.substring(j, i);
                   if (mmm.length() == 1) {
                       mmm = "0" + mmm;
                   }
               }
               j = i + 1;
           }
       }

       if ("01".equals(mm)) {
           mm = "Jan";
       } else if ("02".equals(mm)) {
           mm = "Feb";
       } else if ("03".equals(mm)) {
           mm = "Mar";
       } else if ("04".equals(mm)) {
           mm = "Apr";
       } else if ("05".equals(mm)) {
           mm = "May";
       } else if ("06".equals(mm)) {
           mm = "June";
       } else if ("07".equals(mm)) {
           mm = "July";
       } else if ("08".equals(mm)) {
           mm = "Aug";
       } else if ("09".equals(mm)) {
           mm = "Sept";
       } else if ("10".equals(mm)) {
           mm = "Oct";
       } else if ("11".equals(mm)) {
           mm = "Nov";
       } else if ("12".equals(mm)) {
           mm = "Dec";
       }

       return dd+" "+mm+"."+yy;
   }

   /**
   * 返回英文格式日期static:
   * 如： Jan 14, 2008
   * @param str
   * @return
   */
   public static String formatDateEn2(String str) {
       String yy = "", mm = "", dd = "", hh = "", ff = "", mmm = "";
       int m = 0;
       int j = 0;
       for (int i = 0; i <= str.length(); i++) {
           if (i == str.length() || str.substring(i, i + 1).equals("-")
                   || str.substring(i, i + 1).equals(" ")
                   || str.substring(i, i + 1).equals(":")) {
               m++;
               if (m == 1) {
                   yy = str.substring(j, i);
               }
               if (m == 2) {
                   mm = str.substring(j, i);
                   /*if (mm.length() == 1) {
                       mm = "0" + mm;
                   }*/
               }
               if (m == 3) {
                   dd = str.substring(j, i);
                   /*if (dd.length() == 2) {
                       dd = dd.substring(1,2);
                   }*/
                   if(Integer.parseInt(dd) < 10){
                       if (dd.length() == 2) {
                           dd = dd.substring(1,2);
                       }
                   }else{
                       if (dd.length() == 2) {
                           dd = dd.substring(0,2);
                       }
                   }
               }
               if (m == 4) {
                   hh = str.substring(j, i);
                   if (hh.length() == 1) {
                       hh = "0" + hh;
                   }
               }
               if (m == 5) {
                   ff = str.substring(j, i);
                   if (ff.length() == 1) {
                       ff = "0" + ff;
                   }
               }
               if (m == 6) {
                   mmm = str.substring(j, i);
                   if (mmm.length() == 1) {
                       mmm = "0" + mmm;
                   }
               }
               j = i + 1;
           }
       }

       if ("01".equals(mm)) {
           mm = "Jan";
       } else if ("02".equals(mm)) {
           mm = "Feb";
       } else if ("03".equals(mm)) {
           mm = "Mar";
       } else if ("04".equals(mm)) {
           mm = "Apr";
       } else if ("05".equals(mm)) {
           mm = "May";
       } else if ("06".equals(mm)) {
           mm = "June";
       } else if ("07".equals(mm)) {
           mm = "July";
       } else if ("08".equals(mm)) {
           mm = "Aug";
       } else if ("09".equals(mm)) {
           mm = "Sept";
       } else if ("10".equals(mm)) {
           mm = "Oct";
       } else if ("11".equals(mm)) {
           mm = "Nov";
       } else if ("12".equals(mm)) {
           mm = "Dec";
       }

       return mm+" "+dd+","+yy;
   }

   /**
   * 返回英文格式日期:October 14, 2008
   * @param str
   * @return
   */
   public String formatDateEn(String str) {
       String yy = "", mm = "", dd = "", hh = "", ff = "", mmm = "";
       int m = 0;
       int j = 0;
       for (int i = 0; i <= str.length(); i++) {
           if (i == str.length() || str.substring(i, i + 1).equals("-")
                   || str.substring(i, i + 1).equals(" ")
                   || str.substring(i, i + 1).equals(":")) {
               m++;
               if (m == 1) {
                   yy = str.substring(j, i);
               }
               if (m == 2) {
                   mm = str.substring(j, i);
                   if (mm.length() == 1) {
                       mm = "0" + mm;
                   }
               }
               if (m == 3) {
                   dd = str.substring(j, i);
//                   if (dd.length() == 1) {
//                       dd = "0" + dd;
//                   }
               }
               if (m == 4) {
                   hh = str.substring(j, i);
                   if (hh.length() == 1) {
                       hh = "0" + hh;
                   }
               }
               if (m == 5) {
                   ff = str.substring(j, i);
                   if (ff.length() == 1) {
                       ff = "0" + ff;
                   }
               }
               if (m == 6) {
                   mmm = str.substring(j, i);
                   if (mmm.length() == 1) {
                       mmm = "0" + mmm;
                   }
               }
               j = i + 1;
           }
       }

       if ("01".equals(mm)) {
           mm = "January";
       } else if ("02".equals(mm)) {
           mm = "February";
       } else if ("03".equals(mm)) {
           mm = "March";
       } else if ("04".equals(mm)) {
           mm = "April";
       } else if ("05".equals(mm)) {
           mm = "May";
       } else if ("06".equals(mm)) {
           mm = "June";
       } else if ("07".equals(mm)) {
           mm = "July";
       } else if ("08".equals(mm)) {
           mm = "August";
       } else if ("09".equals(mm)) {
           mm = "September";
       } else if ("10".equals(mm)) {
           mm = "October";
       } else if ("11".equals(mm)) {
           mm = "November";
       } else if ("12".equals(mm)) {
           mm = "December";
       }

       return mm+" "+dd+","+yy;
   }

   /**
   * 返回中文年月日格式（带零，2017年01月01日）
   * @param str
   * @return
   */
   public static String formatDateCn(String str) {
       String yy = "", mm = "", dd = "", hh = "", ff = "", mmm = "";
       int m = 0;
       int j = 0;
       for (int i = 0; i <= str.length(); i++) {
           if (i == str.length() || str.substring(i, i + 1).equals("-")
                   || str.substring(i, i + 1).equals(" ")
                   || str.substring(i, i + 1).equals(":")) {
               m++;
               if (m == 1) {
                   yy = str.substring(j, i);
               }
               if (m == 2) {
                   mm = str.substring(j, i);
                   if (mm.length() == 1) {
                       mm = "0" + mm;
                   }
               }
               if (m == 3) {
                   dd = str.substring(j, i);
                   if (dd.length() == 1) {
                       dd = "0" + dd;
                   }
               }
               if (m == 4) {
                   hh = str.substring(j, i);
                   if (hh.length() == 1) {
                       hh = "0" + hh;
                   }
               }
               if (m == 5) {
                   ff = str.substring(j, i);
                   if (ff.length() == 1) {
                       ff = "0" + ff;
                   }
               }
               if (m == 6) {
                   mmm = str.substring(j, i);
                   if (mmm.length() == 1) {
                       mmm = "0" + mmm;
                   }
               }
               j = i + 1;
           }
       }

       return yy+"年"+mm+"月"+dd+"日";
   }

   /**
   * 判断年份是否为闰年 ------------------------------------------------- 润年的条件：
   * 1)能被4整除，但不能被100整除的年份； 2)能被100整除，又能被400整除的年份；
   * ------------------------------------------------- 设y为被检测的年份，则算法可表示如下：
   * S2:若y不能被4整除，则输出n“不是闰年” S3:若y能被4整除，不能被100整除，则输出y“是闰年”
   * S4:若y能被100整除，又能被400整除，输出y“是闰年” S5:输出y“不是闰年”
   *
   * @param y
   * @return
   */
   public static boolean ifLeapYear(int y) {
       boolean bFlag = false;
       if ((y % 4) != 0) {
           bFlag = false;
       } else if ((y % 100) != 0) {
           bFlag = true;
       } else if ((y % 400) == 0) {
           bFlag = true;
       } else {
           bFlag = false;
       }

       return bFlag;
   }

   /**
   * 根据出生日期计算年龄，只取年龄的整数，如65岁364天也是65周岁，如果需要大于65时如何如何，可能会导致65岁1天到65岁364天不符合这个条件
   *
   * @param birthDay
   * @return
   */
   public static int getAge(Date birthDay) {
       SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
       String birthDayStr = sdf.format(birthDay);
       String nowDayStr = sdf.format(new Date());

       int year = Integer.parseInt(birthDayStr.substring(0, 4));
       int day = Integer.parseInt(birthDayStr.substring(4, 8));

       int nowYear = Integer.parseInt(nowDayStr.substring(0, 4));
       int nowDay = Integer.parseInt(nowDayStr.substring(4, 8));

       int age = nowYear - year;
       if (day > nowDay) {
           age = age - 1;
       }

       return age;
   }


/**
* 获取真实年龄，精确到小数
* @param birthDay
* @param endDate
* @return
* @throws ParseException
*/
public double getRealAge(Date birthDay, Date endDate) throws ParseException {
   double age = 0.0;
SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
String birthDayStr = sdf.format(birthDay);
String nowDayStr = sdf.format(endDate);

int year = Integer.parseInt(birthDayStr.substring(0, 4));
int day = Integer.parseInt(birthDayStr.substring(4, 8));

int nowYear = Integer.parseInt(nowDayStr.substring(0, 4));
int nowDay = Integer.parseInt(nowDayStr.substring(4, 8));

int ageInt = nowYear - year;
Date startDate = null;
if (day > nowDay) { //2000-12-31 2019-1-1
   ageInt = ageInt - 1;
   startDate = sdf.parse((nowYear-1)+""+(day<1000?("0"+day):day));
}else{//2000-1-1 2019-12-31
   startDate = sdf.parse((nowYear)+""+(day<1000?("0"+day):day));
}
int betweenDays = DateUtilsCrew.daysBetween(startDate, endDate);
double ageDouble = 0.0;
if(DateUtilsCrew.ifLeapYear(nowYear)){
   ageDouble = betweenDays/366.0;
}else{
   ageDouble = betweenDays/365.0;
}
age = ageInt+ageDouble;

return age;
}

   /**
   * 根据当前日期，取得当前日期之前之后n个月的日期
   *
   * @param ksrq
   * @param yf
   * @return
   */
   public static Date getJzrq(Date ksrq, int yf) throws ParseException {
       SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
       String sKsrq = sdf.format(ksrq);

       int ksYear = Integer.parseInt(sKsrq.substring(0, 4));
       int ksMonth = Integer.parseInt(sKsrq.substring(4, 6));
       int ksDay = Integer.parseInt(sKsrq.substring(6, 8));

       ksMonth = ksMonth + yf;
       if (ksMonth > 12) {
           ksYear = ksYear + (ksMonth / 12);
           ksMonth = ksMonth % 12;
           if (ksMonth == 0) {
               ksYear = ksYear - 1;
               ksMonth = 12;
           }
       }

       switch (ksMonth) {
       case 4:
           if (ksDay > 30) {
               ksDay = 30;
           }
           break;
       case 6:
           if (ksDay > 30) {
               ksDay = 30;
           }
           break;
       case 9:
           if (ksDay > 30) {
               ksDay = 30;
           }
           break;
       case 11:
           if (ksDay > 30) {
               ksDay = 30;
           }
           break;

       case 2:
           if (ksDay > 28) {
               if (DateUtil.ifLeapYear(ksYear)) {
                   ksDay = 29;
               } else {
                   ksDay = 28;
               }
           }
           break;

       }

       StringBuffer sbDate = new StringBuffer();
       sbDate.append(ksYear);
       if (ksMonth < 10) {
           sbDate.append("0");
       }
       sbDate.append(ksMonth);
       if (ksDay < 10) {
           sbDate.append("0");
       }
       sbDate.append(ksDay);

       Date jzrq = sdf.parse(sbDate.toString());
       return jzrq;

   }

   /**
   * 根据当前日期，取得当前日期之前n个月的日期
   *
   * @param ksrq
   * @param yf
   * @return
   */
   public static Date getKsrq(Date dqrq, int yf) throws ParseException {
       SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
       String sDqrq = sdf.format(dqrq);

       int dqYear = Integer.parseInt(sDqrq.substring(0, 4));
       int dqMonth = Integer.parseInt(sDqrq.substring(4, 6));
       int dqDay = Integer.parseInt(sDqrq.substring(6, 8));

       dqMonth = dqMonth - yf;
       if (dqMonth < 0) {
           dqYear = dqYear - (-dqMonth / 12 + 1);
           dqMonth = 12 + dqMonth % 12;
           if (dqMonth == 0) {
               dqYear = dqYear - 1;
               dqMonth = 12;
           }
       }

       switch (dqMonth) {
       case 4:
           if (dqDay > 30) {
               dqDay = 30;
           }
           break;
       case 6:
           if (dqDay > 30) {
               dqDay = 30;
           }
           break;
       case 9:
           if (dqDay > 30) {
               dqDay = 30;
           }
           break;
       case 11:
           if (dqDay > 30) {
               dqDay = 30;
           }
           break;

       case 2:
           if (dqDay > 28) {
               if (DateUtil.ifLeapYear(dqYear)) {
                   dqDay = 29;
               } else {
                   dqDay = 28;
               }
           }
           break;

       }

       StringBuffer sbDate = new StringBuffer();
       sbDate.append(dqYear);
       if (dqMonth < 10) {
           sbDate.append("0");
       }
       sbDate.append(dqMonth);
       if (dqDay < 10) {
           sbDate.append("0");
       }
       sbDate.append(dqDay);

       Date jzrq = sdf.parse(sbDate.toString());
       return jzrq;

   }

   /**
   * 比较两个日期
   *
   * @param startDate
   * @param endDate
   * @return
   * @throws ParseException
   */
   public static String compareDate(String startDate, String endDate)
           throws ParseException {
       SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
       long start = formatter.parse(startDate).getTime();
       long end = formatter.parse(endDate).getTime();
       if (end > start) {
           return "more";
       } else if (end < start) {
           return "less";
       } else {
           return "equal";
       }
   }

   public static String ConvertNumberToChinese(String x) {
       // 数字数组
       String[] Nums = new String[] { "零", "壹", "贰", "叁", "肆", "伍", "陆", "柒",
               "捌", "玖" };
       // 位数组
       String[] Digits = new String[] { "", "拾", "佰", "仟" };
       // 单位数组
       String[] Units = new String[] { "", "[万]", "[亿]", "[万亿]" };

       String S = ""; // 返回值
       int p = 0; // 字符位置指针
       int m = x.length() % 4; // 取模

       // 四位一组得到组数
       int k = (m > 0 ? x.length() / 4 + 1 : x.length() / 4);

       // 外层循环在所有组中循环
       // 从左到右高位到低位四位一组逐组处理
       // 每组最后加上一个单位: "[万亿]","[亿]","[万]"
       for (int i = k; i > 0; i--) {
           int L = 4;
           if (i == k && m != 0) {
               L = m;
           }
           // 得到一组四位数最高位组有可能不足四位
           String s = x.substring(p, p + L);
           int l = s.length();

           // 内层循环在该组中的每一位数上循环从左到右高位到低位
           for (int j = 0; j < l; j++) {
               // 处理改组中的每一位数加上所在位: "仟","佰","拾",""(个)
               int n = java.lang.Integer.parseInt(s.substring(j, j + 1));
               if (n == 0) {
                   if ((j < l - 1)
                           && (java.lang.Integer.parseInt(s.substring(j + 1,
                                   j + 1 + 1)) > 0) // 后一位(右低)
                           && !S.endsWith(Nums[n])) {
                       S += Nums[n];
                   }
               } else {
                   // 处理 1013 一千零"十三", 1113 一千一百"一十三"
                   if (!(n == 1 && (S.endsWith(Nums[0]) || S.length() == 0) && j == l - 2)) {
                       S += Nums[n];
                   }
                   S += Digits[l - j - 1];
               }
           }
           p += L;
           // 每组最后加上一个单位: [万],[亿] 等
           if (i < k) // 不是最高位的一组
           {
               if (java.lang.Integer.parseInt(s) != 0) {
                   // 如果所有 4 位不全是 0 则加上单位 [万],[亿] 等
                   S += Units[i - 1];
               }
           } else {
               // 处理最高位的一组,最后必须加上单位
               S += Units[i - 1];
           }
       }
       return S;
   }
   /**
   * 将日期转换为中文大写 date 格式 06(日)-01(月)-2011(年)
   * @param date
   * @return
   */
   public static String dateToCnDate(String date) {
   String result = "";
   String[] cnDate = new String[]{"〇","一","二","三","四","五","六","七","八","九"};
   String ten = "十";
   String[] dateStr = date.split("-");
   for (int i=0; i<dateStr.length; i++) {
   for (int j=0; j<dateStr[i].length(); j++) {
   String charStr = dateStr[i];
   String str = String.valueOf(charStr.charAt(j));
   if (charStr.length() == 2) {
   if (charStr.equals("10")) {
   result += ten;
   break;
   } else {
   if (j == 0) {
   if (charStr.charAt(j) == '1')
   result += ten;
   else if (charStr.charAt(j) == '0')
   result += "";
   else
   result += cnDate[Integer.parseInt(str)] + ten;
   }
   if (j == 1) {
   if (charStr.charAt(j) == '0')
   result += "";
   else
   result += cnDate[Integer.parseInt(str)];
   }
   }
   } else {
   result += cnDate[Integer.parseInt(str)];
   }
   }
   if (i == 0) {
   result += " "; //日
   continue;
   }
   if (i == 1) {
   result += " ";//月
   continue;
   }
   if (i == 2) {
   result += " ";//年
   continue;
   }
   }
   return result;
   }
   /**
   * 获取某年某月最后一天(包括闰年)
   * @param yyyy
   * @param mm
   * @return
   */
   public static int getLastDay(int yyyy,int mm){
           //计算每个月的最后一天
          Calendar c = Calendar.getInstance();
       c.set(Calendar.YEAR, yyyy);
           c.set(Calendar.MONTH, mm-1);
       return c.getActualMaximum(Calendar.DAY_OF_MONTH);
   }
   /**
       * 计算两个日期之间历时，返回如：1天3小时34分21秒
       * @param beginTime
       * @param endTime
       * @return
       */
       public static String getTimesFromTime(String beginTime, String endTime) {
           String result = "";
           int days = 0;
           int hours = 0;
           int minute = 0;
           int second = 0;
           SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
           if(StringUtilsCrew.isNotEmpty(beginTime) && beginTime != null){
           try {
               Calendar c1 = Calendar.getInstance();
                   Calendar c2 = Calendar.getInstance();
                   c1.setTime(sdf.parse(beginTime));
                   c2.setTime(sdf.parse(endTime));
                   int newDay = c2.get(Calendar.DAY_OF_YEAR);
                   int oldDay = c1.get(Calendar.DAY_OF_YEAR);
                   int newHours = c2.get(Calendar.HOUR_OF_DAY);
                   int oldHours = c1.get(Calendar.HOUR_OF_DAY);
                   int newMins = c2.get(Calendar.MINUTE);
                   int oldMins = c1.get(Calendar.MINUTE);
                   int newSecond = c2.get(Calendar.SECOND);
                   int oldSecond = c1.get(Calendar.SECOND);
                   boolean flag =ifLeapYear(c1.get(Calendar.YEAR));
                   //时间秒计算
                   if(newSecond < oldSecond){
                       newSecond = 60 + newSecond;
                       newMins = newMins -1;
                   }
                   second = newSecond - oldSecond;
                   //时间分计算
                   if(newMins < oldMins){
                       newMins = 60 + newMins;
                       newHours = newHours-1;
                   }
                   minute = newMins-oldMins;
                   //时间时计算
                   if(newHours < oldHours){
                       newHours=24+newHours;
                       newDay= newDay-1;
                   }
                   hours=newHours-oldHours;
                   //天计算
                   if(newDay < oldDay){
                       //判断是否为闰年
                       if(flag){
                           newDay=366+newDay;
                       }else{
                           newDay=365+newDay;
                       }
                   }
                   days = newDay - oldDay;
               } catch (ParseException e) {
                   e.printStackTrace();
               }

               if(0!=days){
                   result = String.valueOf(Math.abs(days))+"天";
               }
               if(0 != hours){
                   result += String.valueOf(Math.abs(hours))+"小时";
               }
               if(0 != minute){
                   result += String.valueOf(Math.abs(minute))+"分钟";
               }
               if(0 != second){
                   result += String.valueOf(Math.abs(second))+"秒";
               }
           }
           return result;
       }

       public static void main(String[] args){
           String start = "2019-09-29 15:11:49";
           String end = "2019-10-08 14:39:44";
           DateFormat df = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
           Date startDate;
           try {
               startDate = df.parse(start);
               Date endDate = df.parse(end);
               int s = getWorkDays(startDate,endDate);



               System.out.println("time*****:"+s+"n");
           } catch (ParseException e) {
               // TODO Auto-generated catch block
               e.printStackTrace();
           } catch (DataAccessException e) {
               // TODO Auto-generated catch block
               e.printStackTrace();
           } catch (SQLException e) {
               // TODO Auto-generated catch block
               e.printStackTrace();
           }







       }

   /**
   * 获取两个日期之间的工作日时间 1天3小时3分5秒
   * @param startDay
   * @param endDay
   * @return
   * @throws DataAccessException
   * @throws SQLException
   */
   public static String getWorkTime(Date startDay,Date endDay) throws DataAccessException, SQLException{
       String timeStr = "";

       // 参数为空直接返回
       if(startDay==null || endDay==null){
           return "";
       }

       Calendar sCal = Calendar.getInstance();
       Calendar eCal = Calendar.getInstance();
       sCal.setTime(startDay);
       eCal.setTime(endDay);
       if(1900==eCal.get(Calendar.YEAR)){
           endDay = new Date();
           eCal.setTime(endDay);
       }
       long stime = sCal.getTimeInMillis();
       long etime = eCal.getTimeInMillis();
       long a = stime%1000;
       if(a!=0){
           stime = stime-a;
           sCal.setTimeInMillis(stime);
       }
       long b = etime%1000;
       if(b!=0){
           etime = etime-b;
           eCal.setTimeInMillis(etime);
       }
       if(eCal.compareTo(sCal)<=0){//如果开始日期与结束日期一样，直接返回""
           return "0秒";
       } else{//当开始日期与结束日期不一样时
           long time = 0;
           Map<Calendar,String> map = getHolidayFlag(sCal.getTime(), eCal.getTime());
           Calendar endCalFormat = Calendar.getInstance();
           endCalFormat.clear();
           endCalFormat.set(eCal.get(Calendar.YEAR), eCal.get(Calendar.MONTH), eCal.get(Calendar.DAY_OF_MONTH), 23, 59, 59);
           while(sCal.getTimeInMillis()<=(endCalFormat.getTimeInMillis()+999)){
               // 获取法定假日标志
               Calendar calFormat = Calendar.getInstance();
               calFormat.clear();
               calFormat.set(sCal.get(Calendar.YEAR), sCal.get(Calendar.MONTH), sCal.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
               String holidayFlag = map.get(calFormat);
               if("0".equals(holidayFlag)){// 设为工作日，即使是周末也算工作日
                   if(startDay.equals(sCal.getTime())){//起始日是工作日
                       calFormat.add(Calendar.DATE, 1);
                       if(eCal.getTimeInMillis()-calFormat.getTimeInMillis()<=0){
                           time+=eCal.getTimeInMillis()-sCal.getTimeInMillis();
                       }else{
                           time+=calFormat.getTimeInMillis()-sCal.getTimeInMillis();
                       }
                   }else{
                       if(sCal.get(Calendar.YEAR)==eCal.get(Calendar.YEAR)&&sCal.get(Calendar.MONTH)==eCal.get(Calendar.MONTH)&&sCal.get(Calendar.DAY_OF_MONTH)==eCal.get(Calendar.DAY_OF_MONTH)){
                           time+=eCal.getTimeInMillis()-calFormat.getTimeInMillis();
                       }else{
                           time+=3600*24*1000;
                       }
                   }
               }else if("1".equals(holidayFlag)){// 设为法定假日，即使是工作日也算假日

               }else{// 普通的时间看是否是周末
                   // 获取是否周末
                   int day = sCal.get(Calendar.DAY_OF_WEEK);
                   if(day!=Calendar.SATURDAY&&day!=Calendar.SUNDAY){// 工作日
                       if(startDay.equals(sCal.getTime())){//起始日是工作日
                           calFormat.add(Calendar.DATE, 1);
                           if(eCal.getTimeInMillis()-calFormat.getTimeInMillis()<=0){
                               time+=eCal.getTimeInMillis()-sCal.getTimeInMillis();
                           }else{
                               time+=calFormat.getTimeInMillis()-sCal.getTimeInMillis();
                           }
                       }else{
                           if(sCal.get(Calendar.YEAR)==eCal.get(Calendar.YEAR)&&sCal.get(Calendar.MONTH)==eCal.get(Calendar.MONTH)&&sCal.get(Calendar.DAY_OF_MONTH)==eCal.get(Calendar.DAY_OF_MONTH)){
                               time+=eCal.getTimeInMillis()-calFormat.getTimeInMillis();
                           }else{
                               time+=3600*24*1000;
                           }
                       }
                   }else{// 周末

                   }
               }
               sCal.add(Calendar.DATE, 1);
           }
           int days = (int)(time/(3600*24*1000));
           int remainder = (int)(time%(3600*24*1000));
           int hours = (int)(remainder/(3600*1000));
           remainder = (int)(remainder%(3600*1000));
           int minutes = (int)(remainder/(60*1000));
           remainder = (int)(remainder%(60*1000));
           int seconds = (int)(remainder/(1000));
           timeStr = (days!=0?(days+"天"):"")+(hours!=0?(hours+"小时"):"")+(minutes!=0?(minutes+"分"):"")+(seconds!=0?(seconds+"秒"):"");
       }
       if(StringUtilsCrew.isEmpty(timeStr)){
           timeStr = "0秒";
       }
       return timeStr;
   }

   /**
   * 获取两个日期之间的工作日时间秒
   * @param startDay
   * @param endDay
   * @return
   * @throws DataAccessException
   * @throws SQLException
   */
   public static long getWorkTimeSecond(Date startDay,Date endDay) throws DataAccessException, SQLException{
       long timeSecond = 0L;

       // 参数为空直接返回
       if(startDay==null || endDay==null){
           return 0L;
       }

       Calendar sCal = Calendar.getInstance();
       Calendar eCal = Calendar.getInstance();
       sCal.setTime(startDay);
       eCal.setTime(endDay);
       if(1900==eCal.get(Calendar.YEAR)){
           endDay = new Date();
           eCal.setTime(endDay);
       }
       long stime = sCal.getTimeInMillis();
       long etime = eCal.getTimeInMillis();
       long a = stime%1000;
       if(a!=0){
           stime = stime-a;
           sCal.setTimeInMillis(stime);
       }
       long b = etime%1000;
       if(b!=0){
           etime = etime-b;
           eCal.setTimeInMillis(etime);
       }
       if(eCal.compareTo(sCal)<=0){//如果开始日期与结束日期一样，直接返回""
           return 0L;
       } else{//当开始日期与结束日期不一样时
           long time = 0;
           Map<Calendar,String> map = getHolidayFlag(sCal.getTime(), eCal.getTime());
           Calendar endCalFormat = Calendar.getInstance();
           endCalFormat.clear();
           endCalFormat.set(eCal.get(Calendar.YEAR), eCal.get(Calendar.MONTH), eCal.get(Calendar.DAY_OF_MONTH), 23, 59, 59);
           while(sCal.getTimeInMillis()<=(endCalFormat.getTimeInMillis()+999)){
               // 获取法定假日标志
               Calendar calFormat = Calendar.getInstance();
               calFormat.clear();
               calFormat.set(sCal.get(Calendar.YEAR), sCal.get(Calendar.MONTH), sCal.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
               String holidayFlag = map.get(calFormat);
               if("0".equals(holidayFlag)){// 设为工作日，即使是周末也算工作日
                   if(startDay.equals(sCal.getTime())){//起始日是工作日
                       calFormat.add(Calendar.DATE, 1);
                       if(eCal.getTimeInMillis()-calFormat.getTimeInMillis()<=0){
                           time+=eCal.getTimeInMillis()-sCal.getTimeInMillis();
                       }else{
                           time+=calFormat.getTimeInMillis()-sCal.getTimeInMillis();
                       }
                   }else{
                       if(sCal.get(Calendar.YEAR)==eCal.get(Calendar.YEAR)&&sCal.get(Calendar.MONTH)==eCal.get(Calendar.MONTH)&&sCal.get(Calendar.DAY_OF_MONTH)==eCal.get(Calendar.DAY_OF_MONTH)){
                           time+=eCal.getTimeInMillis()-calFormat.getTimeInMillis();
                       }else{
                           time+=3600*24*1000;
                       }
                   }
               }else if("1".equals(holidayFlag)){// 设为法定假日，即使是工作日也算假日

               }else{// 普通的时间看是否是周末
                   // 获取是否周末
                   int day = sCal.get(Calendar.DAY_OF_WEEK);
                   if(day!=Calendar.SATURDAY&&day!=Calendar.SUNDAY){// 工作日
                       if(startDay.equals(sCal.getTime())){//起始日是工作日
                           calFormat.add(Calendar.DATE, 1);
                           if(eCal.getTimeInMillis()-calFormat.getTimeInMillis()<=0){
                               time+=eCal.getTimeInMillis()-sCal.getTimeInMillis();
                           }else{
                               time+=calFormat.getTimeInMillis()-sCal.getTimeInMillis();
                           }
                       }else{
                           if(sCal.get(Calendar.YEAR)==eCal.get(Calendar.YEAR)&&sCal.get(Calendar.MONTH)==eCal.get(Calendar.MONTH)&&sCal.get(Calendar.DAY_OF_MONTH)==eCal.get(Calendar.DAY_OF_MONTH)){
                               time+=eCal.getTimeInMillis()-calFormat.getTimeInMillis();
                           }else{
                               time+=3600*24*1000;
                           }
                       }
                   }else{// 周末

                   }
               }
               sCal.add(Calendar.DATE, 1);
           }
           int days = (int)(time/(3600*24*1000));
           int remainder = (int)(time%(3600*24*1000));
           int hours = (int)(remainder/(3600*1000));
           remainder = (int)(remainder%(3600*1000));
           int minutes = (int)(remainder/(60*1000));
           remainder = (int)(remainder%(60*1000));
           int seconds = (int)(remainder/(1000));
           //String timeStr = (days!=0?(days+"天"):"")+(hours!=0?(hours+"小时"):"")+(minutes!=0?(minutes+"分"):"")+(seconds!=0?(seconds+"秒"):"");
           //System.out.println(timeStr);
           timeSecond = time;
       }

       return timeSecond;
   }


   /**
   * 获取节假日标志
   * @param startDay
   * @param endDay
   * @return
   * @throws DataAccessException
   * @throws SQLException
   */
   public static Map<Calendar,String> getHolidayFlag(Date startDay,Date endDay) throws DataAccessException, SQLException{
       Map<Calendar,String> map = new HashMap<Calendar,String>();
       JDBCDataSource datasource = JDBCDataSource.getJDBCDataSource();
       PreparedStatement ps = null;
       ResultSet rs = null;
       DateFormat df = new SimpleDateFormat("yyyy-MM-dd");
       String startDayStr = df.format(startDay);
       String endDayStr = df.format(endDay);
       String sql = "SELECT * FROM T_Dict_Holiday WHERE holiday_date BETWEEN to_date('"+startDayStr+"','yyyy-mm-dd') AND to_date('"+endDayStr+"','yyyy-mm-dd') and valid_flag='1'";
       ps = datasource.getConnection().prepareStatement(sql);
       rs = ps.executeQuery();
       while(rs.next()){
           String holidayFlag = rs.getString("holiday_flag");
           Date holidayDate = rs.getDate("holiday_date");
           Calendar cal = Calendar.getInstance();
           cal.setTime(holidayDate);
           map.put(cal, holidayFlag);
       }
       if(rs!=null){
           rs.close();
       }
       if(ps!=null){
           ps.close();
       }
       return map;
   }
   /**
   * 是否过期n年，已经过期n年返回true，不是返回false
   * @param year 过期的年数
   * @param jzrq 证书截止日期
   * @return
   */
   public boolean ifSrzGq(int year,String jzrq){
       Date date =new Date();
       SimpleDateFormat df = new SimpleDateFormat("yyyyMMdd");
       date.setYear(date.getYear()-year);
       date.setMonth(date.getMonth());
       date.setDate(date.getDate());
       String d=df.format(date);
       if(jzrq==null||StringUtilsCrew.isEmpty(jzrq)||"null".equals(jzrq.trim())){
           return true;
       }else{
           try{
               int jzrqint = Integer.valueOf(jzrq);
           }catch(Exception e) {
               try {
                   jzrq=df.format(new SimpleDateFormat("yyyy-MM-dd").parse(jzrq));
               } catch (ParseException e1) {
                   e.printStackTrace();
               }
           }
           if(Integer.valueOf(d)>Integer.valueOf(jzrq)){
               return true;
           }
       }

       return false;
   }


}

/**
* 自定义日期工具类
*
*/
public class DateUtilsCrew {

   /**
* 计算两个日期之间相差的天数
* @param smdate 较小的时间
* @param bdate 较大的时间
* @return 相差天数
   * @throws ParseException
*/
public static int daysBetween(Date smdate,Date bdate) throws ParseException{
SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
smdate=sdf.parse(sdf.format(smdate));
bdate=sdf.parse(sdf.format(bdate));
Calendar cal = Calendar.getInstance();
cal.setTime(smdate);
long time1 = cal.getTimeInMillis();
cal.setTime(bdate);
long time2 = cal.getTimeInMillis();
long between_days=(time2-time1)/(1000*3600*24);

return Integer.parseInt(String.valueOf(between_days));
}
/**
   * 获得固定间隔的日期，如前60天dateAdd(-60)，后60天dateAdd(60)
   *
   * @param sourceDate
   * ：某一日期
   * @param amount
   * ：距某一日期的间隔日期长度，向前为负，向后为正
   * @return 固定间隔的日期，格式yyyy-MM-dd
   */
   public String dateAdd(String sourceDate, int amount) {
       Calendar cal = new GregorianCalendar();
       java.sql.Date trialTime = java.sql.Date.valueOf(sourceDate);
       cal.setTime(trialTime);
       cal.add(GregorianCalendar.DATE, amount);
       int y = cal.get(GregorianCalendar.YEAR);
       int m = cal.get(GregorianCalendar.MONTH) + 1;
       int d = cal.get(GregorianCalendar.DAY_OF_MONTH);

       String ymd = Integer.toString(y) + "-" + Integer.toString(m) + "-"
               + Integer.toString(d);

       return dateFormat(ymd, "yyyy-MM-dd");
   }

   /**
   * 格式化日期显示格式
   *
   * @param sdate ：
   * 原始日期
   * @param format
   * ：格式化后日期格式
   * @return 格式化后的日期显示
   */
   public static String dateFormat(String sdate, String format) {
       SimpleDateFormat formatter = new SimpleDateFormat(format);
       java.sql.Date date = java.sql.Date.valueOf(sdate);
       String dateString = formatter.format(date);
       return dateString;
   }
   /**
   * 格式化日期显示格式
   *
   * @param date
   * ：原始日期
   * @param format
   * ：格式化后日期格式
   * @return 格式化后的日期显示
   */
   public static String dateFormat(java.util.Date date, String format) {
       SimpleDateFormat formatter = new SimpleDateFormat(format);
       String dateString = formatter.format(date);
       return dateString;
   }

   /**
   * 自定义格式化日期串到日期类型。
   * @param dateStr
   * @param format
   * @return
   * @throws ParseException
   */
   public static Date parsetoDate(String dateStr,String format) throws ParseException{
       SimpleDateFormat formatter = new SimpleDateFormat(format);
       return formatter.parse(dateStr);
   }

   /**
   * 根据一个日期，取得之后n个月的日期 yyyy-MM-dd
   *
   * @param startDate
   * @param monthNum
   * @return
   */
   public static Date getEndDate(Date startDate, int monthNum) throws ParseException {
       SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
       String startDateStr = sdf.format(startDate);

       int startYear = Integer.parseInt(startDateStr.substring(0, 4));
       int startMonth = Integer.parseInt(startDateStr.substring(4, 6));
       int startDay = Integer.parseInt(startDateStr.substring(6, 8));

       startMonth = startMonth + monthNum;
       if (startMonth > 12) {
           startYear = startYear + (startMonth / 12);
           startMonth = startMonth % 12;
           if (startMonth == 0) {
               startYear = startYear - 1;
               startMonth = 12;
           }
       }

       switch (startMonth) {
       case 4:
           if (startDay > 30) {
               startDay = 30;
           }
           break;
       case 6:
           if (startDay > 30) {
               startDay = 30;
           }
           break;
       case 9:
           if (startDay > 30) {
               startDay = 30;
           }
           break;
       case 11:
           if (startDay > 30) {
               startDay = 30;
           }
           break;

       case 2:
           if (startDay > 28) {
               if (ifLeapYear(startYear)) {
                   startDay = 29;
               } else {
                   startDay = 28;
               }
           }
           break;

       }

       StringBuffer endDateStr = new StringBuffer();
       endDateStr.append(startYear);
       if (startMonth < 10) {
           endDateStr.append("0");
       }
       endDateStr.append(startMonth);
       if (startDay < 10) {
           endDateStr.append("0");
       }
       endDateStr.append(startDay);

       Date endDate = sdf.parse(endDateStr.toString());
       return endDate;
   }

   /**
   * 判断年份是否为闰年 ------------------------------------------------- 润年的条件：
   * 1)能被4整除，但不能被100整除的年份； 2)能被100整除，又能被400整除的年份；
   * ------------------------------------------------- 设y为被检测的年份，则算法可表示如下：
   * S2:若y不能被4整除，则输出n“不是闰年” S3:若y能被4整除，不能被100整除，则输出y“是闰年”
   * S4:若y能被100整除，又能被400整除，输出y“是闰年” S5:输出y“不是闰年”
   *
   * @param y
   * @return
   */
   public static boolean ifLeapYear(int y) {
       boolean bFlag = false;
       if ((y % 4) != 0) {
           bFlag = false;
       } else if ((y % 100) != 0) {
           bFlag = true;
       } else if ((y % 400) == 0) {
           bFlag = true;
       } else {
           bFlag = false;
       }

       return bFlag;
   }

/**
* 如果附件上传日期超过两年则已失效
*/
public static boolean overTwoYears(String date1, Date date2) throws Exception {
java.text.SimpleDateFormat sdf = new java.text.SimpleDateFormat("yyyy-M-d HH:mm:ss");
java.util.Date start = sdf.parse(date1);
long cha = date2.getTime() - start.getTime();
double result = cha * 1.0 / (1000 * 60 * 60);
if (result <= 17520) {
return true;
} else {
return false;
}
}
}