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public class TimeDateUtils {
public static final String YYYYMMDD = "yyyy-MM-dd";
public static final String YYYYMMDD_ZH = "yyyyMMdd";
public static final int FIRST_DAY_OF_WEEK = Calendar.MONDAY;
public static final String YYYYMM = "yyyy-MM";
//獲取兩個日期中的年份
public static List<String> getYearList(String beginDateStr, String endDateStr) throws ParseException {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd"); // 設(shè)置時間格式
Date beginDate = sdf.parse(beginDateStr);
Date endDate = sdf.parse(endDateStr);
List<String> yearList = new ArrayList<>();
SimpleDateFormat sdfy = new SimpleDateFormat("yyyy");
Calendar calendar = Calendar.getInstance();
calendar.setTime(beginDate);
for (; calendar.getTime().getTime() <= endDate.getTime(); ) {
String ym = sdfy.format(calendar.getTime());
yearList.add(ym);
calendar.add(Calendar.YEAR, 1);
}
return yearList;
}
//按年把日期分開
public static List<String> getYears(String begins, String ends) throws ParseException {
List<String> list = new ArrayList<>();
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
Date begin = new Date();
Date end = new Date();
try {
begin = sdf.parse(begins);
end = sdf.parse(ends);
} catch (ParseException e) {
System.out.println("日期輸入格式不對");
return list;
}
Calendar cal_begin = Calendar.getInstance();
cal_begin.setTime(begin);
Calendar cal_end = Calendar.getInstance();
cal_end.setTime(end);
while (true) {
if (cal_begin.get(Calendar.YEAR) == cal_end.get(Calendar.YEAR)) {
System.out.println(sdf.format(cal_begin.getTime())+"~"+sdf.format(cal_end.getTime()));
list.add(sdf.format(cal_begin.getTime())+"~"+sdf.format(cal_end.getTime()));
break;
}else{
String str_begin = sdf.format(cal_begin.getTime());
String str_end = getMonthEnd(cal_begin.getTime());
int years=getYear(str_begin);
String year=years+"-12"+"-31";
System.out.println(str_begin+"~"+year);
list.add(str_begin+"~"+year);
cal_begin.add(Calendar.YEAR, 1);
cal_begin.set(Calendar.DAY_OF_YEAR, 1);
}
}
return list;
}
public static List<String> getQuarter(String begins, String ends) {
List<String> list = new ArrayList<>();
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
Date begin = new Date();
Date end = new Date();
try {
begin = sdf.parse(begins);
end = sdf.parse(ends);
} catch (ParseException e) {
System.out.println("日期輸入格式不對");
return list;
}
Calendar cal_begin = Calendar.getInstance();
cal_begin.setTime(begin);
Calendar cal_end = Calendar.getInstance();
cal_end.setTime(end);
while (true) {
String str_begin = sdf.format(cal_begin.getTime());
String str_end = getMonthEnd(cal_begin.getTime());
Date begin_date = parseDate(str_end);
Date end_date = parseDate(str_end);
String Quarter_begin=formatDate(getFirstDateOfSeason(begin_date));
String Quarter_end=formatDate(getLastDateOfSeason(end_date));
Date Quarter_begin_date = parseDate(Quarter_begin);
Date Quarter_end_date = parseDate(Quarter_end);
if(Quarter_end_date.getTime()==end_date.getTime()){
if(Quarter_begin_date.getTime()<=begin.getTime()){
Quarter_begin=begins;
}
if(Quarter_end_date.getTime()>=end.getTime()){
Quarter_end=ends;
}
list.add(Quarter_begin+"~"+Quarter_end);
System.out.println(Quarter_begin+"~"+Quarter_end);
if (end.getTime() <=end_date.getTime()) {
break;
}
}else if(Quarter_begin_date.getTime()==begin_date.getTime()){
if(Quarter_begin_date.getTime()<=begin.getTime()){
Quarter_begin=begins;
}
if(Quarter_end_date.getTime()>=end.getTime()){
Quarter_end=ends;
}
list.add(Quarter_begin+"~"+Quarter_end);
System.out.println(Quarter_begin+"~"+Quarter_end);
}
cal_begin.add(Calendar.MONTH, 1);
cal_begin.set(Calendar.DAY_OF_MONTH, 1);
}
return list;
}
//獲取時間段內(nèi)的月份
public static List<String> getIntermediateMonth(String startDate, String endDate) {
List<String> days = new ArrayList<String>();
Calendar startTime = Calendar.getInstance();
Calendar endTime = Calendar.getInstance();
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM");
try {
//將開始日期設(shè)置給calendar
startTime.setTime(sdf.parse(startDate));
System.out.println("開始日期=" + sdf.format(startTime.getTime()));
startTime.add(Calendar.MONTH, -1);//月份減1，包含開始日期月份
//將結(jié)束日期設(shè)置給calendar
endTime.setTime(sdf.parse(endDate));
System.out.println("結(jié)束日期=" + sdf.format(endTime.getTime()));
while (startTime.before(endTime)) {
startTime.add(Calendar.MONTH, 1);
days.add(sdf.format(startTime.getTime()));
}
System.out.println("days=" + days.toString());
} catch (Exception e) {
e.printStackTrace();
}
return days;
}
public static List<String> getMonths(String begins, String ends) {
List<String> list = new ArrayList<>();
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
Date begin = new Date();
Date end = new Date();
try {
begin = sdf.parse(begins);
end = sdf.parse(ends);
} catch (ParseException e) {
System.out.println("日期輸入格式不對");
return list;
}
Calendar cal_begin = Calendar.getInstance();
cal_begin.setTime(begin);
Calendar cal_end = Calendar.getInstance();
cal_end.setTime(end);
while (true) {
if (cal_begin.get(Calendar.YEAR) == cal_end.get(Calendar.YEAR)&& cal_begin.get(Calendar.MONTH) == cal_end.get(Calendar.MONTH)) {
System.out.println(sdf.format(cal_begin.getTime())+"~"+sdf.format(cal_end.getTime()));
break;
}
String str_begin = sdf.format(cal_begin.getTime());
String str_end = getMonthEnd(cal_begin.getTime());
System.out.println(str_begin+"~"+str_end);
cal_begin.add(Calendar.MONTH, 1);
cal_begin.set(Calendar.DAY_OF_MONTH, 1);
}
return list;
}
private static void getWeeks(String begins, String ends) throws ParseException {
SimpleDateFormat sd = new SimpleDateFormat("yyyy-MM-dd");
SimpleDateFormat sdw = new SimpleDateFormat("E");
String begin_date =begins;
String end_date =ends;
//String begin_date_fm = begin_date.substring(0, 4) + "-" + begin_date.substring(4,6) + "-" + begin_date.substring(6,8);
// String end_date_fm = end_date.substring(0, 4) + "-" + end_date.substring(4,6) + "-" + end_date.substring(6,8);
String begin_date_fm = begins;
String end_date_fm = ends;
Date b = null;
Date e = null;
try {
b = sd.parse(begin_date_fm);
e = sd.parse(end_date_fm);
} catch (ParseException ee) {
ee.printStackTrace();
}
Calendar rightNow = Calendar.getInstance();
rightNow.setTime(b);
Date time = b;
String year = begin_date_fm.split("-")[0];
String mon = Integer.parseInt(begin_date_fm.split("-")[1])<10?begin_date_fm.split("-")[1]:begin_date_fm.split("-")[1];
String day = Integer.parseInt(begin_date_fm.split("-")[2])<10?begin_date_fm.split("-")[2]:begin_date_fm.split("-")[2];
String timeb = year+mon+day;
String timee = null;
if(begin_date==end_date){
System.out.println(begin_date+"~"+end_date);
}else{
while(time.getTime()<=e.getTime()){
rightNow.add(Calendar.DAY_OF_YEAR,1);
time = sd.parse(sd.format(rightNow.getTime()));
if(time.getTime()>e.getTime()){break;}
String timew = sdw.format(time);
if(("星期一").equals(timew)){
timeb = (sd.format(time)).replaceAll("-", "");
}
if(("星期日").equals(timew) || ("星期七").equals(timew) || time.getTime() == e.getTime()){
timee = (sd.format(time)).replaceAll("-", "");
String begindate=fomaToDatas(timeb);
String enddate=fomaToDatas(timee);
System.out.println(begindate+"~"+enddate);
}
}
}
}
public static String fomaToDatas(String data){
DateFormat fmt=new SimpleDateFormat("yyyyMMdd");
try {
java.util.Date parse=fmt.parse(data);
DateFormat fmt2=new SimpleDateFormat("yyyy-MM-dd");
return fmt2.format(parse);
} catch (ParseException e) {
// TODO Auto-generated catch block
e.printStackTrace();
return null;
}
}
/**
* 日期解析
*
* @param strDate
* @param pattern
* @return
*/
public static Date parseDate(String strDate, String pattern) {
Date date = null;
try {
if (pattern == null) {
pattern = YYYYMMDD;
}
SimpleDateFormat format = new SimpleDateFormat(pattern);
date = format.parse(strDate);
} catch (Exception e) {
}
return date;
}
public static int getYear(String date) throws ParseException {
Calendar c = Calendar.getInstance();
c.setTime(parseDate(date));
int year = c.get(Calendar.YEAR);
return year;
}
public String getYearMonth (Date date) {
return formatDateByFormat(date, "yyyy-MM") ;
}
/**
* 取得指定月份的第一天
*
* @param date
* String
* @return String
*/
public String getMonthBegin(Date date) {
return formatDateByFormat(date, "yyyy-MM") + "-01";
}
/**
* 取得指定月份的最后一天
*
* @param date
* String
* @return String
*/
public static String getMonthEnd(Date date) {
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
calendar.add(Calendar.MONTH, 1);
calendar.set(Calendar.DAY_OF_MONTH, 1);
calendar.add(Calendar.DAY_OF_YEAR, -1);
return formatDateByFormat(calendar.getTime(), "yyyy-MM-dd");
}
/**
* 以指定的格式來格式化日期
*
* @param date
* Date
* @param format
* String
* @return String
*/
public static String formatDateByFormat(Date date, String format) {
String result = "";
if (date != null) {
try {
SimpleDateFormat sdf = new SimpleDateFormat(format);
result = sdf.format(date);
} catch (Exception ex) {
ex.printStackTrace();
}
}
return result;
}
/**
*
* @param strDate
* @return
*/
public static Date parseDate(String strDate) {
return parseDate(strDate, null);
}
/**
* format date
*
* @param date
* @return
*/
public static String formatDate(Date date) {
return formatDate(date, null);
}
/**
* format date
*
* @param date
* @param pattern
* @return
*/
public static String formatDate(Date date, String pattern) {
String strDate = null;
try {
if (pattern == null) {
pattern = YYYYMMDD;
}
SimpleDateFormat format = new SimpleDateFormat(pattern);
strDate = format.format(date);
} catch (Exception e) {
}
return strDate;
}
/**
* 取得日期：年
*
* @param date
* @return
*/
public static int getYear(Date date) {
Calendar c = Calendar.getInstance();
c.setTime(date);
int year = c.get(Calendar.YEAR);
return year;
}
/**
* 取得日期：年
*
* @param date
* @return
*/
public static int getMonth(Date date) {
Calendar c = Calendar.getInstance();
c.setTime(date);
int month = c.get(Calendar.MONTH);
return month + 1;
}
/**
* 取得日期：年
*
* @param date
* @return
*/
public static int getDay(Date date) {
Calendar c = Calendar.getInstance();
c.setTime(date);
int da = c.get(Calendar.DAY_OF_MONTH);
return da;
}
/**
* 取得當天日期是周幾
*
* @param date
* @return
*/
public static int getWeekDay(Date date) {
Calendar c = Calendar.getInstance();
c.setTime(date);
int week_of_year = c.get(Calendar.DAY_OF_WEEK);
return week_of_year - 1;
}
/**
* 取得一年的第幾周
*
* @param date
* @return
*/
public static int getWeekOfYear(Date date) {
Calendar c = Calendar.getInstance();
c.setTime(date);
int week_of_year = c.get(Calendar.WEEK_OF_YEAR);
return week_of_year;
}
/**
* getWeekBeginAndEndDate
*
* @param date
* @param pattern
* @return
*/
public static String getWeekBeginAndEndDate(Date date, String pattern) {
Date monday = getMondayOfWeek(date);
Date sunday = getSundayOfWeek(date);
return formatDate(monday, pattern) + " - "
+ formatDate(sunday, pattern);
}
/**
* 根據(jù)日期取得對應(yīng)周周一日期
*
* @param date
* @return
*/
public static Date getMondayOfWeek(Date date) {
Calendar monday = Calendar.getInstance();
monday.setTime(date);
monday.setFirstDayOfWeek(FIRST_DAY_OF_WEEK);
monday.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);
return monday.getTime();
}
/**
* 根據(jù)日期取得對應(yīng)周周日日期
*
* @param date
* @return
*/
public static Date getSundayOfWeek(Date date) {
Calendar sunday = Calendar.getInstance();
sunday.setTime(date);
sunday.setFirstDayOfWeek(FIRST_DAY_OF_WEEK);
sunday.set(Calendar.DAY_OF_WEEK, Calendar.SUNDAY);
return sunday.getTime();
}
/**
* 取得月的剩余天數(shù)
*
* @param date
* @return
*/
public static int getRemainDayOfMonth(Date date) {
int dayOfMonth = getDayOfMonth(date);
int day = getPassDayOfMonth(date);
return dayOfMonth - day;
}
/**
* 取得月已經(jīng)過的天數(shù)
*
* @param date
* @return
*/
public static int getPassDayOfMonth(Date date) {
Calendar c = Calendar.getInstance();
c.setTime(date);
return c.get(Calendar.DAY_OF_MONTH);
}
/**
* 取得月天數(shù)
*
* @param date
* @return
*/
public static int getDayOfMonth(Date date) {
Calendar c = Calendar.getInstance();
c.setTime(date);
return c.getActualMaximum(Calendar.DAY_OF_MONTH);
}
/**
* 取得月第一天
*
* @param date
* @return
*/
public static Date getFirstDateOfMonth(Date date) {
Calendar c = Calendar.getInstance();
c.setTime(date);
c.set(Calendar.DAY_OF_MONTH, c.getActualMinimum(Calendar.DAY_OF_MONTH));
return c.getTime();
}
/**
* 取得月最后一天
*
* @param date
* @return
*/
public static Date getLastDateOfMonth(Date date) {
Calendar c = Calendar.getInstance();
c.setTime(date);
c.set(Calendar.DAY_OF_MONTH, c.getActualMaximum(Calendar.DAY_OF_MONTH));
return c.getTime();
}
/**
* 取得季度第一天
*
* @param date
* @return
*/
public static Date getFirstDateOfSeason(Date date) {
return getFirstDateOfMonth(getSeasonDate(date)[0]);
}
/**
* 取得季度最后一天
*
* @param date
* @return
*/
public static Date getLastDateOfSeason(Date date) {
return getLastDateOfMonth(getSeasonDate(date)[2]);
}
/**
* 取得季度天數(shù)
*
* @param date
* @return
*/
public static int getDayOfSeason(Date date) {
int day = 0;
Date[] seasonDates = getSeasonDate(date);
for (Date date2 : seasonDates) {
day += getDayOfMonth(date2);
}
return day;
}
/**
* 取得季度剩余天數(shù)
*
* @param date
* @return
*/
public static int getRemainDayOfSeason(Date date) {
return getDayOfSeason(date) - getPassDayOfSeason(date);
}
/**
* 取得季度已過天數(shù)
*
* @param date
* @return
*/
public static int getPassDayOfSeason(Date date) {
int day = 0;
Date[] seasonDates = getSeasonDate(date);
Calendar c = Calendar.getInstance();
c.setTime(date);
int month = c.get(Calendar.MONTH);
if (month == Calendar.JANUARY || month == Calendar.APRIL
|| month == Calendar.JULY || month == Calendar.OCTOBER) {// 季度第一個月
day = getPassDayOfMonth(seasonDates[0]);
} else if (month == Calendar.FEBRUARY || month == Calendar.MAY
|| month == Calendar.AUGUST || month == Calendar.NOVEMBER) {// 季度第二個月
day = getDayOfMonth(seasonDates[0])
+ getPassDayOfMonth(seasonDates[1]);
} else if (month == Calendar.MARCH || month == Calendar.JUNE
|| month == Calendar.SEPTEMBER || month == Calendar.DECEMBER) {// 季度第三個月
day = getDayOfMonth(seasonDates[0]) + getDayOfMonth(seasonDates[1])
+ getPassDayOfMonth(seasonDates[2]);
}
return day;
}
/**
* 取得季度月
*
* @param date
* @return
*/
public static Date[] getSeasonDate(Date date) {
Date[] season = new Date[3];
Calendar c = Calendar.getInstance();
c.setTime(date);
int nSeason = getSeason(date);
if (nSeason == 1) {// 第一季度
c.set(Calendar.MONTH, Calendar.JANUARY);
season[0] = c.getTime();
c.set(Calendar.MONTH, Calendar.FEBRUARY);
season[1] = c.getTime();
c.set(Calendar.MONTH, Calendar.MARCH);
season[2] = c.getTime();
} else if (nSeason == 2) {// 第二季度
c.set(Calendar.MONTH, Calendar.APRIL);
season[0] = c.getTime();
c.set(Calendar.MONTH, Calendar.MAY);
season[1] = c.getTime();
c.set(Calendar.MONTH, Calendar.JUNE);
season[2] = c.getTime();
} else if (nSeason == 3) {// 第三季度
c.set(Calendar.MONTH, Calendar.JULY);
season[0] = c.getTime();
c.set(Calendar.MONTH, Calendar.AUGUST);
season[1] = c.getTime();
c.set(Calendar.MONTH, Calendar.SEPTEMBER);
season[2] = c.getTime();
} else if (nSeason == 4) {// 第四季度
c.set(Calendar.MONTH, Calendar.OCTOBER);
season[0] = c.getTime();
c.set(Calendar.MONTH, Calendar.NOVEMBER);
season[1] = c.getTime();
c.set(Calendar.MONTH, Calendar.DECEMBER);
season[2] = c.getTime();
}
return season;
}
/**
*
* 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;
}
}
原文鏈接：https://blog.csdn.net/qq_41955670/article/details/127286784
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