1. package com.kld.yijie.web.util;
  2.  
  3. import org.slf4j.Logger;
    import org.slf4j.LoggerFactory;
  4.  
  5. import java.sql.Timestamp;
    import java.text.DateFormat;
    import java.text.ParseException;
    import java.text.SimpleDateFormat;
    import java.util.Calendar;
    import java.util.Date;
    import java.util.HashMap;
  6.  
  7. /**
    * Created by shanks on 15/4/21.
    */
    public class DateUtil {
    private static Logger logger = LoggerFactory.getLogger(DateUtil.class);
    private static String defaultDatePattern = "yyyy-MM-dd";
    public static String secondDatePattern = "yyyy-MM-dd HH:mm:ss";
    /**
    * 格式:yyyy-MM-dd
    */
    public static final int FMT_DATE_YYYY_MM_DD = 1;
  8.  
  9. /**
    * 格式:yyyyMMdd
    */
    public static final int FMT_DATE_YYYYMMDD = 2;
  10.  
  11. /**
    * 格式:yyMMdd
    */
    public static final int FMT_DATE_YYMMDD = 3;
  12.  
  13. /**
    * 格式:yyyy
    */
    public static final int FMT_DATE_YYYY = 4;
  14.  
  15. /**
    * 格式:yyMM
    */
    public static final int FMT_DATE_YYMM = 5;
  16.  
  17. /**
    * 格式:yyyyMM
    */
    public static final int FMT_DATE_YYYYMM = 6;
  18.  
  19. /**
    * 格式:yyyy-MM-dd HH:mm:ss
    */
    public static final int FMT_DATE_YYYYMMDDHHmmss = 7;
  20.  
  21. /**
    * 格式:yyyyMMddHHmmss
    */
    public static final int FMT_DATE_YYYYMMDDHHmmss1 = 8;
  22.  
  23. /**
    * 格式:yyyy/MM/dd
    */
    public static final int FMT_DATE_YYYYMMDD9 = 9;
  24.  
  25. /**
    * 格式:HH:mm:ss
    */
    public static final int FMT_DATE_HHMMSS = 10;
  26.  
  27. /**
    * 格式:yyyy年MM月dd日
    */
    public static final int FMT_DATE_YYYY_MM_DD_CN = 11;
  28.  
  29. /**
    * 格式:yyyy年MM月dd日 HH时mm分ss秒
    */
    public static final int FMT_DATE_YYYYMMDDHHmmss_CN = 12;
  30.  
  31. /**
    * 格式:yyyy年MM月
    */
    public static final int FMT_DATE_YYYY_MM_CN = 13;
  32.  
  33. /**
    * 格式:yyyy-MM-dd HH:mm
    */
    public static final int FMT_DATE_YYYY_MM_DDHHMM = 14;
    /**
    * 获得默认的 date pattern
    */
    public static String getDatePattern() {
    return defaultDatePattern;
    }
    /**
    * 使用参数Format格式化Date成字符串
    */
    public static String format(Date date, String pattern) {
    String returnValue = "";
  34.  
  35. if (date != null) {
    SimpleDateFormat df = new SimpleDateFormat(pattern);
    returnValue = df.format(date);
    }
  36.  
  37. return (returnValue);
    }
    /**
    * 根椐时间和格式获得时间
    *
    * @return String
    */
    public static String formatDate(Date date, int nFmt) {
    if (date == null) {
    return "";
    }
    SimpleDateFormat fmtDate = null;
    switch (nFmt) {
    default:
    case DateUtil.FMT_DATE_YYYY_MM_DD:
    fmtDate = new SimpleDateFormat("yyyy-MM-dd");
    break;
    case DateUtil.FMT_DATE_YYYYMMDD:
    fmtDate = new SimpleDateFormat("yyyyMMdd");
    break;
    case DateUtil.FMT_DATE_YYMMDD:
    fmtDate = new SimpleDateFormat("yyMMdd");
    break;
    case DateUtil.FMT_DATE_YYYY:
    fmtDate = new SimpleDateFormat("yyyy");
    break;
    case DateUtil.FMT_DATE_YYMM:
    fmtDate = new SimpleDateFormat("yyMM");
    break;
    case DateUtil.FMT_DATE_YYYYMM:
    fmtDate = new SimpleDateFormat("yyyyMM");
    break;
    case DateUtil.FMT_DATE_YYYYMMDDHHmmss:
    fmtDate = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
    break;
    case DateUtil.FMT_DATE_YYYYMMDDHHmmss1:
    fmtDate = new SimpleDateFormat("yyyyMMddHHmmss");
    break;
    case DateUtil.FMT_DATE_YYYYMMDD9:
    fmtDate = new SimpleDateFormat("yyyy/MM/dd");
    break;
    case DateUtil.FMT_DATE_HHMMSS:
    fmtDate = new SimpleDateFormat("HH:mm:ss");
    break;
    case DateUtil.FMT_DATE_YYYY_MM_DD_CN:
    fmtDate = new SimpleDateFormat("yyyy年MM月dd日");
    break;
    case DateUtil.FMT_DATE_YYYYMMDDHHmmss_CN:
    fmtDate = new SimpleDateFormat("yyyy年MM月dd日 HH时mm分ss秒");
    break;
    case DateUtil.FMT_DATE_YYYY_MM_CN:
    fmtDate = new SimpleDateFormat("yyyy年MM月");
    break;
    case DateUtil.FMT_DATE_YYYY_MM_DDHHMM:
    fmtDate = new SimpleDateFormat("yyyy-MM-dd HH:mm:");
    break;
    }
    return fmtDate.format(date);
    }
    /**
    * 使用预设格式将字符串转为Date
    */
    public static Date parse(String strDate) {
    return parse(strDate, getDatePattern());
    }
  38.  
  39. /**
    * 使用参数Format将字符串转为Date
    */
    public static Date parse(String strDate, String pattern) {
    SimpleDateFormat df = new SimpleDateFormat(pattern);
    try {
    return df.parse(strDate);
    } catch (ParseException e) {
    logger.error(e.getMessage());
    return null;
    }
    }
    /**
    * 在日期上增加数个整月
    */
    public static Date addMonth(Date date, int n) {
    Calendar cal = Calendar.getInstance();
    cal.setTime(date);
    cal.add(Calendar.MONTH, n);
    return cal.getTime();
    }
  40.  
  41. /**
    * 获得给定日期当前月份的第一天的日期
    * @param date
    * @return
    */
    public static Date getFirstDayOfMonth(Date date) {
    Calendar calendar = Calendar.getInstance();
    calendar.setTime(date);
  42.  
  43. calendar.set(Calendar.DAY_OF_MONTH, 1);
  44.  
  45. return calendar.getTime();
    }
  46.  
  47. /**
    * 获得给定日期当前月份的最后一天的日期
    * @param date
    * @return
    */
    public static Date getLastDayOfMonth(Date date) {
    Date resultDate = getFirstDayOfMonth(addMonth(date, 1));
  48.  
  49. Calendar calendar = Calendar.getInstance();
    calendar.setTime(resultDate);
  50.  
  51. calendar.add(Calendar.DAY_OF_YEAR, -1);
  52.  
  53. return calendar.getTime();
    }
    /**
    * 得到系统当前的日期和时间 格式为YYYY-MM-DD hh:mm:ss
    * @return
    */
    public static final String getSystemCurrentDateTime() {
    Calendar newCalendar = Calendar.getInstance();
    newCalendar.setTimeInMillis(System.currentTimeMillis());
    int year = newCalendar.get(Calendar.YEAR);
    int month = newCalendar.get(Calendar.MONTH) + 1;
    int day = newCalendar.get(Calendar.DAY_OF_MONTH);
    int hour = newCalendar.get(Calendar.HOUR_OF_DAY);
    int minute = newCalendar.get(Calendar.MINUTE);
    int second = newCalendar.get(Calendar.SECOND);
    return doTransform(year, month, day, hour, minute, second);
    }
    /**
    * 返回格式为YYYY-MM-DD hh:mm:ss
    *
    * @param year-年
    * @param month-月
    * @param day-日
    * @param hour-小时
    * @param minute-分钟
    * @param second-秒
    * @return
    */
    private static final String doTransform(int year, int month, int day, int hour, int minute, int second) {
    StringBuffer result = new StringBuffer();
    result.append(String.valueOf(year)).append("-").append(month < 10 ? "0" + String.valueOf(month) : String.valueOf(month)).append("-").append(day < 10 ? "0" + String.valueOf(day) : String.valueOf(day)).append(" ").append(hour < 10 ? "0" + String.valueOf(hour) : String.valueOf(hour)).append(
    ":").append(minute < 10 ? "0" + String.valueOf(minute) : String.valueOf(minute)).append(":").append(second < 10 ? "0" + String.valueOf(second) : String.valueOf(second));
    return result.toString();
    }
    /**
    * 根据转换格式,把Timestamp日期转换为字符串日期
    * @param Timestamp
    * @param nFmt
    * @return
    */
    public static String timestampToString(Timestamp Timestamp, int nFmt) {
    if (Timestamp == null) {
    return "";
    }
    java.util.Date d = new java.util.Date(Timestamp.getTime());
    return formatDate(d, nFmt);
    }
    /**
    * 根椐系统时间和格式获得时间
    *
    * @param nFmt
    * @return
    */
    public static String getSystemDate(int nFmt) {
    Calendar calendar = Calendar.getInstance();
    return formatDate(calendar.getTime(), nFmt);
    }
    /**
    * 使用预设Format格式化Date成字符串
    */
    public static String format(Date date) {
    return format(date, getDatePattern());
    }
    /**
    * 返回预设Format的当前日期字符串
    */
    public static String getToday() {
    Date today = new Date();
    return format(today);
    }
    /**
    * 返回量日期相差的天数
    * date1:起始时间;date2截止时间;systemDate 系统当前时间
    * @throws ParseException
    * */
    public static String getSubDays(String stratDate) throws ParseException{
    long day;
    Date strDate = new SimpleDateFormat("yyyy-MM-dd").parse(stratDate);
    Date sysDate = new SimpleDateFormat("yyyy-MM-dd").parse(getSystemDate(1));
    day=(strDate.getTime()-sysDate.getTime())/(24*60*60*1000);
    return String.valueOf(day);
    }
    /**
    * ORA标准时间格式
    */
    private static final SimpleDateFormat ORA_DATE_TIME_FORMAT = new SimpleDateFormat("yyyyMMddHHmm");
  54.  
  55. /**
    * 带时分秒的ORA标准时间格式
    *
    */
    private static final SimpleDateFormat ORA_DATE_TIME_EXTENDED_FORMAT = new SimpleDateFormat("yyyyMMddHHmmss");
  56.  
  57. /**
    * 创建一个标准ORA时间格式的克隆
    *
    * @return 标准ORA时间格式的克隆
    */
    @SuppressWarnings("unused")
    private static synchronized DateFormat getOraDateTimeFormat() {
    SimpleDateFormat theDateTimeFormat = (SimpleDateFormat) ORA_DATE_TIME_FORMAT.clone();
    theDateTimeFormat.setLenient(false);
    return theDateTimeFormat;
    }
    /**
    * 创建一个带分秒的ORA时间格式的克隆
    *
    * @return 标准ORA时间格式的克隆
    */
    private static synchronized DateFormat getOraExtendDateTimeFormat() {
    SimpleDateFormat theDateTimeFormat = (SimpleDateFormat) ORA_DATE_TIME_EXTENDED_FORMAT.clone();
    theDateTimeFormat.setLenient(false);
    return theDateTimeFormat;
    }
    /**
    * 返回格式为YYYY-MM-DD hh:mm:ss
    *
    * @param date-输入格式为ORA标准时间格式
    * @return
    */
    private static String doTransform(String date) {
    StringBuffer buffer = new StringBuffer();
    buffer.append(date.substring(0, 4));
    buffer.append("-");
    buffer.append(date.substring(4, 6));
    buffer.append("-");
    buffer.append(date.substring(6, 8));
    buffer.append(" ");
    buffer.append(date.substring(8, 10));
    buffer.append(":");
    buffer.append(date.substring(10, 12));
    buffer.append(":");
    buffer.append(date.substring(12, 14));
  58.  
  59. return buffer.toString();
    }
    /**
    * 将输入格式为2004-8-13 12:31:22类型的字符串转换为标准的Date类型
    *
    * @param dateStr
    * @return
    */
    public static synchronized Date toDate(String dateStr) {
    String[] list0 = dateStr.split(" ");
    String date = list0[0];
    String time = list0[1];
    String[] list1 = date.split("-");
    int year = new Integer(list1[0]).intValue();
    int month = new Integer(list1[1]).intValue();
    int day = new Integer(list1[2]).intValue();
    String[] list2 = time.split(":");
    int hour = new Integer(list2[0]).intValue();
    int min = new Integer(list2[1]).intValue();
    int second = new Integer(list2[2]).intValue();
    Calendar cale = Calendar.getInstance();
    cale.set(year, month - 1, day, hour, min, second);
    return cale.getTime();
    }
    public static String dateToStringFirst(Date date) {
    Calendar c = Calendar.getInstance();
    c.setTime(date);
  60.  
  61. String dateToStr = c.get(Calendar.YEAR) + "-" + (c.get(Calendar.MONTH) + 1) + "-" + "01" + " 00:00:00";
    return dateToStr;
    }
  62.  
  63. public static String dateToStringLast(Date date) {
    Calendar c = Calendar.getInstance();
    c.setTime(date);
    String dateToStr = c.get(Calendar.YEAR) + "-" + (c.get(Calendar.MONTH) + 1) + "-" + c.getActualMaximum(Calendar.DAY_OF_MONTH) + " 23:59:59";
    return dateToStr;
    }
    /*
    *获取当天是本年第几周
    */
    public static int getCurrentWeek(){
  64.  
  65. Calendar calendar = Calendar.getInstance();
    calendar.setFirstDayOfWeek(Calendar.MONDAY);
    calendar.setTime(new Date());
    return calendar.get(Calendar.WEEK_OF_YEAR)-2;
    }
  66.  
  67. public static int getStartDate(Date date) {
    Calendar calendar = Calendar.getInstance();
    calendar.setTime(date);
    calendar.add(Calendar.DAY_OF_MONTH, -1);
    date = calendar.getTime();
    SimpleDateFormat df = new SimpleDateFormat("yyyyMMdd");
    return Integer.parseInt(df.format(date));
  68.  
  69. }
  70.  
  71. public static int getendDate(Date date) {
    Calendar calendar = Calendar.getInstance();
    calendar.setTime(date);
    calendar.add(Calendar.DAY_OF_MONTH, -1);
    date = calendar.getTime();
    SimpleDateFormat df = new SimpleDateFormat("yyyyMMdd");
    return Integer.parseInt(df.format(date));
  72.  
  73. }
    //获取当前日期的字符串表达式
    public static String getCurrentDate(){
    Calendar calendar = Calendar.getInstance();
    Date date=calendar.getTime();
    SimpleDateFormat df = new SimpleDateFormat("yyMMdd");
    String sdate=df.format(date);
    return sdate;
    }
    //获取当前日期的字符串表达式
    public static String getCurrentDateFormat(String format){
    Calendar calendar = Calendar.getInstance();
    Date date=calendar.getTime();
    SimpleDateFormat df = new SimpleDateFormat(format);
    String sdate=df.format(date);
    return sdate;
    }
    public static String getCurrentDate2(){
    Calendar calendar = Calendar.getInstance();
    Date date=calendar.getTime();
    SimpleDateFormat df = new SimpleDateFormat("yyyyMMdd");
    String sdate=df.format(date);
    return sdate;
    }
    //获取当前日期的字符串表达式
    public static Date getDate(){
    Calendar calendar = Calendar.getInstance();
    Date date=calendar.getTime();
    return date;
    }
    //指定日期格式与日期参数,格式化日期
    public static Date formatDate(String format,Date date){
    SimpleDateFormat df = new SimpleDateFormat(format);
    String d=df.format(date);
    try {
    date = df.parse(d);
    } catch (ParseException e) {
  74.  
  75. e.printStackTrace();
    }
    return date;
    }
    //指定日期格式参数,给定字符串的日期参数,转换成该格式的日期
    public static Date toDate(String format,String time){
    SimpleDateFormat df = new SimpleDateFormat(format);
    System.out.println(format);
    Date date=null;
  76.  
  77. if(time==null||"".equals(time)){
    return null;
    }
    try {
    date = df.parse(time);
    } catch (ParseException e) {
  78.  
  79. e.printStackTrace();
    }
    return date;
    }
    //根据指定时间与时间分量、时间分量值计算日期
    public static Date countDate(String unit,int value,Date date){
    Calendar calendar =Calendar.getInstance();
    calendar.setTime(date);
    if("year".equals(unit)){
    calendar.set(calendar.YEAR, calendar.get(calendar.YEAR)+value);
    }else if("month".equals(unit)){
    calendar.set(calendar.MONTH,calendar.get(calendar.MONTH)+value);
    }else if("day".equals(unit)){
    calendar.set(calendar.DAY_OF_MONTH,calendar.get(calendar.DAY_OF_MONTH)+value);
    }else if("hour".equals(unit)){
    calendar.set(calendar.HOUR_OF_DAY,value);
    }else if("minute".equals(unit)){
    calendar.set(calendar.MINUTE,calendar.get(calendar.MINUTE)+value);
    }else if("second".equals(unit)){
    calendar.set(calendar.SECOND,value);
    }
    return calendar.getTime();
    }
    //根据指定时间与时间分量、时间分量值计算日期
    public static Date operDate(String operObj, Integer operNum, Date operDate) {
    Date date = null;
    try {
    Calendar calendar = Calendar.getInstance();
    if (operDate != null) {
    calendar.setTime(operDate);
    } else {
    calendar.setTime(new Date());
    }
    if (operObj.equals("year")) {
    int year = calendar.get(Calendar.YEAR);
    calendar.set(Calendar.YEAR, year + operNum.intValue());
  80.  
  81. } else if (operObj.equals("month")) {
    int month = calendar.get(Calendar.MONTH);
    calendar.set(Calendar.MONTH, month + operNum.intValue());
    } else if (operObj.equals("day")) {
    int day = calendar.get(Calendar.DAY_OF_YEAR);
    calendar.set(Calendar.DAY_OF_YEAR, day + operNum.intValue());
    } else if (operObj.equals("hour")) {
    int hour = calendar.get(Calendar.HOUR_OF_DAY);
    calendar.set(Calendar.HOUR_OF_DAY, hour + operNum.intValue());
    } else if (operObj.equals("minute")) {
    int hour = calendar.get(Calendar.MINUTE);
    calendar.set(Calendar.MINUTE, hour + operNum.intValue());
    }
    date = calendar.getTime();
    } catch (Exception e) {
  82.  
  83. }
    return date;
    }
    //根据时间分量计算以后时间
    public static Date countDate(String unit,Date date){
    if(unit.equals("年卡")){
    Calendar calendar =Calendar.getInstance();
    calendar.setTime(date);
    calendar.set(calendar.YEAR, calendar.get(calendar.YEAR)+1);
    System.out.println("执行了年卡");
    return calendar.getTime();
    }else if(unit.equals("季卡")){
    Calendar calendar =Calendar.getInstance();
    calendar.setTime(date);
    calendar.set(calendar.MONTH, calendar.get(calendar.MONTH)+3);
    System.out.println("执行了季卡");
    return calendar.getTime();
    }else{
    Calendar calendar =Calendar.getInstance();
    calendar.setTime(date);
    calendar.set(calendar.MONTH, calendar.get(calendar.MONTH)+1);
    System.out.println("执行了月卡");
    return calendar.getTime();
    }
    }
    //对日期天数的计算
    public static Date countDay(int day,Date date){
    Calendar calendar = Calendar.getInstance();
    calendar.setTime(date);
    calendar.set(calendar.DAY_OF_MONTH, calendar.get(calendar.DAY_OF_MONTH) + day);
    return calendar.getTime();
    }
    //根据当前时间计算当前的月份
    public static int getCurrentMoth(){
    Calendar calendar =Calendar.getInstance();
    return calendar.get(calendar.MONTH)+1;
    }
    //根据指定时间计算指定时间的月份
    public static int getMonthByDate(Date date){
    Calendar calendar =Calendar.getInstance();
    calendar.setTime(date);
    return calendar.get(calendar.MONTH)+1;
    }
    //根据月份返回对应的中文,比如1返回一月
    public static String getChineseMonth(int num){
    switch (num){
    case 1:return "一月";
    case 2:return "二月";
    case 3:return "三月";
    case 4:return "四月";
    case 5:return "五月";
    case 6:return "六月";
    case 7:return "七月";
    case 8:return "八月";
    case 9:return "九月";
    case 10:return "十月";
    case 11:return "十一月";
    default :return "十二月";
    }
    }
    //根据参数计算日期
    public static Date countDateByParam(int num){
    Calendar calendar =Calendar.getInstance();
    calendar.add(Calendar.MONTH,num);
    //calendar.set(Calendar.MONTH.MONTH,num);
    Date date=calendar.getTime();
    System.out.println(toString(date,"yyyy-MM-dd HH:mm:ss"));
    return calendar.getTime();
    }
    //计算指定日期的月份的第一天
    public static Date countDateFirstDay(Date date){
    Calendar calendar =Calendar.getInstance();
    calendar.setTime(date);
    final int firstDay=calendar.getActualMinimum(calendar.DAY_OF_MONTH);
    Date firstDate=calendar.getTime();
    firstDate.setDate(firstDay);
    return firstDate;
    }
    //计算指定日期的月份的最后一天
    public static Date countDateLastDay(Date date){
    Calendar calendar =Calendar.getInstance();
    calendar.setTime(date);
    final int lastDay=calendar.getActualMaximum(calendar.DAY_OF_MONTH);
    Date lastDate=calendar.getTime();
    lastDate.setDate(lastDay);
    return lastDate;
    }
    //根据月份计算当前是第几季度
    public static int getCurrentQuarter(int month){
    int quarter;
    if(month%3==0){
    quarter=month/3;
    }else{
    quarter=month/3+1;
    }
    return quarter;
    }
    //根据月份与消费需求类型(季2、月3、周4)计算日期范围
    public static HashMap<String,Date> getStartAndEndTime(int consumeType){
    int month= DateUtil.getCurrentMoth();
    Calendar calendar =Calendar.getInstance();
    //calendar.setTime(new Date());
    HashMap<String,Date> time=new HashMap<String,Date>();
    Date startTime;
    Date endTime;
    if(consumeType==2){
    int quarter=getCurrentQuarter(month);
    if(quarter==1){
    startTime=calendar.getTime();
    calendar.set(calendar.get(Calendar.YEAR),0,1);
    calendar.set(calendar.MONTH,2);
    int lastDay=calendar.getActualMaximum(Calendar.DAY_OF_MONTH);
    calendar.set(calendar.get(Calendar.YEAR),2,lastDay);
    endTime=calendar.getTime();
    time.put("startTime",startTime);
    time.put("endTime",endTime);
    }else if(quarter==2){
    calendar.set(calendar.get(Calendar.YEAR),3,1);
    startTime=calendar.getTime();
    calendar.set(calendar.MONTH,5);
    int lastDay=calendar.getActualMaximum(Calendar.DAY_OF_MONTH);
    calendar.set(calendar.get(Calendar.YEAR),5,lastDay);
    endTime=calendar.getTime();
    time.put("startTime", startTime);
    time.put("endTime",endTime);
    }else if(quarter==3){
    calendar.set(calendar.get(Calendar.YEAR),6,1);
    startTime=calendar.getTime();
    calendar.set(calendar.MONTH,8);
    int lastDay=calendar.getActualMaximum(Calendar.DAY_OF_MONTH);
    calendar.set(calendar.get(Calendar.YEAR),8,lastDay);
    endTime=calendar.getTime();
    time.put("startTime", startTime);
    time.put("endTime",endTime);
    }else if(quarter==4){
    calendar.set(calendar.get(Calendar.YEAR),9,1);
    startTime=calendar.getTime();
    calendar.set(calendar.MONTH,11);
    int lastDay=calendar.getActualMaximum(Calendar.DAY_OF_MONTH);
    calendar.set(calendar.get(Calendar.YEAR),11,lastDay);
    endTime=calendar.getTime();
    time.put("startTime", startTime);
    time.put("endTime",endTime);
    }
    }else if(consumeType==3){
    calendar.set(calendar.get(Calendar.YEAR),month-1,1);
    startTime=calendar.getTime();
    int lastDay=calendar.getActualMaximum(Calendar.DAY_OF_MONTH);
    calendar.set(calendar.get(Calendar.YEAR),month-1,lastDay);
    endTime=calendar.getTime();
    time.put("startTime", startTime);
    time.put("endTime",endTime);
    }else if(consumeType==4){
    int week=calendar.get(Calendar.DAY_OF_WEEK)-1;
    System.out.println("week:"+week);
    calendar.add(Calendar.DAY_OF_MONTH, -week+1);
    startTime=calendar.getTime();
    Calendar c=Calendar.getInstance();
    c.add(Calendar.DAY_OF_MONTH, 7-week);
    endTime=c.getTime();
    time.put("startTime", startTime);
    time.put("endTime",endTime);
    }
    return time;
    }
  84.  
  85. public static String toString(Date date, String formatString){
    if(null == date)return null;
    SimpleDateFormat df = new SimpleDateFormat(formatString);
    return df.format(date);
    }
    }

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