package com.osdiot.gas.device.commons.utils;
import org.nutz.lang.Strings;
import org.nutz.lang.Times;
import org.nutz.lang.util.NutMap;
import java.sql.Timestamp;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.ParsePosition;
import java.text.SimpleDateFormat;
import java.time.Instant;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.format.DateTimeFormatter;
import java.util.*;
public class TimeUtil {
public static final DateTimeFormatter DTF_DATE=DateTimeFormatter.ofPattern("yyyy-MM-dd");
public static final DateTimeFormatter DTF_MONTH=DateTimeFormatter.ofPattern("yyyy-MM");
public static final DateTimeFormatter DTF_YYYYMM=DateTimeFormatter.ofPattern("yyyyMM");
public static final DateTimeFormatter YYYYMM = DateTimeFormatter.ofPattern("yyyyMM");
public static final DateTimeFormatter YYYY_MM_DD = DateTimeFormatter.ofPattern("yyyy-MM-dd");
public static final DateTimeFormatter MM = DateTimeFormatter.ofPattern("MM");
//============================借助Calendar类获取今天、昨天、本周、上周、本年及特定时间的开始时间和结束时间(返回类型为date类型)========================
/**
* 获取当天开始时间
*
* @return
*/
public static Date getDayBegin() {
Calendar cal = Calendar.getInstance();
cal.set(Calendar.HOUR_OF_DAY, 0);//0点
cal.set(Calendar.MINUTE, 0);//0分
cal.set(Calendar.SECOND, 0);//0秒
cal.set(Calendar.MILLISECOND, 0);//0毫秒
return cal.getTime();
}
/**
* 获取某天开始时间
*
* @return
*/
public static Date getBeginDay(Date date) {
Calendar cal = Calendar.getInstance();
cal.setTime(date);
cal.set(Calendar.HOUR_OF_DAY, 0);//0点
cal.set(Calendar.MINUTE, 0);//0分
cal.set(Calendar.SECOND, 0);//0秒
cal.set(Calendar.MILLISECOND, 0);//0毫秒
return cal.getTime();
}
/**
* 获取当天结束时间
*
* @return
*/
public static Date getDayEnd() {
Calendar cal = Calendar.getInstance();
cal.set(Calendar.HOUR_OF_DAY, 23);//23点
cal.set(Calendar.MINUTE, 59);//59分
cal.set(Calendar.SECOND, 59);//59秒
return cal.getTime();
}
/**
* 获取某天结束时间
*
* @return
*/
public static Date getEndDay(Date date) {
Calendar cal = Calendar.getInstance();
cal.setTime(date);
cal.set(Calendar.HOUR_OF_DAY, 23);//23点
cal.set(Calendar.MINUTE, 59);//59分
cal.set(Calendar.SECOND, 59);//59秒
return cal.getTime();
}
/**
* 获取昨日字符串
*
* @return
*/
public static String getYesterdayStr() {
Calendar cal = Calendar.getInstance();
cal.add(Calendar.DAY_OF_MONTH, -1);//当天月份天数减1
return new SimpleDateFormat("yyyy-MM-dd").format(cal.getTime());
}
/**
* 获取上月时间字符串
*
* @return
*/
public static String getYestermonthStr() {
Calendar cal = Calendar.getInstance();
cal.add(cal.get(Calendar.MONTH), -1);//当天月份天数减1
return new SimpleDateFormat("yyyy-MM").format(cal.getTime());
}
/**
* 获取昨天开始时间
*
* @return
*/
public static Date getBeginDayOfYesterday() {
Calendar cal = Calendar.getInstance();
cal.setTime(getDayBegin());//当天开始时间
cal.add(Calendar.DAY_OF_MONTH, -1);//当天月份天数减1
return cal.getTime();
}
/**
* 获取昨天结束时间
*
* @return
*/
public static Date getEndDayOfYesterday() {
Calendar cal = Calendar.getInstance();
cal.setTime(getDayEnd());//当天结束时间
cal.add(Calendar.DAY_OF_MONTH, -1);//当天月份天数减1
return cal.getTime();
}
/**
* 获取明天开始时间
*
* @return
*/
public static Date getBeginDayOfTomorrow() {
Calendar cal = Calendar.getInstance();
cal.setTime(getDayBegin());//当天开始时间
cal.add(Calendar.DAY_OF_MONTH, 1);//当天月份天数加1
return cal.getTime();
}
/**
* 获取明天结束时间
*
* @return
*/
public static Date getEndDayOfTomorrow() {
Calendar cal = Calendar.getInstance();
cal.setTime(getDayEnd());//当天结束时间
cal.add(Calendar.DAY_OF_MONTH, 1);//当天月份天数加1
return cal.getTime();
}
/**
* 获取某个日期的开始时间
*
* @param d
* @return
*/
public static Timestamp getDayStartTime(Date d) {
Calendar calendar = Calendar.getInstance();
if (null != d) {
calendar.setTime(d);
}
calendar.set(calendar.get(Calendar.YEAR),
calendar.get(Calendar.MONTH),
calendar.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
calendar.set(Calendar.MILLISECOND, 0);
return new Timestamp(calendar.getTimeInMillis());
}
/**
* 获取某个日期的结束时间
*
* @param d
* @return
*/
public static Timestamp getDayEndTime(Date d) {
Calendar calendar = Calendar.getInstance();
if (null != d) {
calendar.setTime(d);
}
calendar.set(calendar.get(Calendar.YEAR),
calendar.get(Calendar.MONTH),
calendar.get(Calendar.DAY_OF_MONTH), 23, 59, 59);
calendar.set(Calendar.MILLISECOND, 999);
return new Timestamp(calendar.getTimeInMillis());
}
/**
* 获取某个日期的月开始时间
*
* @param d
* @return
*/
public static Timestamp getMonthStartTime(Date d) {
Calendar calendar = Calendar.getInstance();
if (null != d) {
calendar.setTime(d);
}
calendar.set(calendar.get(Calendar.YEAR),
calendar.get(Calendar.MONTH),
1, 0, 0, 0);
calendar.set(Calendar.MILLISECOND, 0);
return new Timestamp(calendar.getTimeInMillis());
}
/**
* 获取某个日期的月的 结束时间
*
* @param d
* @return
*/
public static Timestamp getMonthEndTime(Date d) {
Calendar calendar = Calendar.getInstance();
if (null != d) {
calendar.setTime(d);
}
calendar.set(calendar.get(Calendar.YEAR),
calendar.get(Calendar.MONTH),
calendar.getActualMaximum(Calendar.DAY_OF_MONTH), 23, 59, 59);
calendar.set(Calendar.MILLISECOND, 999);
return new Timestamp(calendar.getTimeInMillis());
}
/**
* 获取本周的开始时间
*
* @return
*/
@SuppressWarnings("unused")
public static Date getBeginDayOfWeek() {
Date date = new Date();
if (date == null) {
return null;
}
Calendar cal = Calendar.getInstance();
cal.setTime(date);
int dayOfWeek = cal.get(Calendar.DAY_OF_WEEK);
if (dayOfWeek == 1) {
dayOfWeek += 7;
}
cal.add(Calendar.DATE, 2 - dayOfWeek);
return getDayStartTime(cal.getTime());
}
/**
* 获取本周的结束时间
*
* @return
*/
public static Date getEndDayOfWeek() {
Calendar cal = Calendar.getInstance();
cal.setTime(getBeginDayOfWeek());
cal.add(Calendar.DAY_OF_WEEK, 6);
Date weekEndSta = cal.getTime();
return getDayEndTime(weekEndSta);
}
/**
* 获取上周开始时间
*/
@SuppressWarnings("unused")
public static Date getBeginDayOfLastWeek() {
Date date = new Date();
if (date == null) {
return null;
}
Calendar cal = Calendar.getInstance();
cal.setTime(date);
int dayofweek = cal.get(Calendar.DAY_OF_WEEK);
if (dayofweek == 1) {
dayofweek += 7;
}
cal.add(Calendar.DATE, 2 - dayofweek - 7);
return getDayStartTime(cal.getTime());
}
/**
* 获取上周的结束时间
*
* @return
*/
public static Date getEndDayOfLastWeek() {
Calendar cal = Calendar.getInstance();
cal.setTime(getBeginDayOfLastWeek());
cal.add(Calendar.DAY_OF_WEEK, 6);
Date weekEndSta = cal.getTime();
return getDayEndTime(weekEndSta);
}
/**
* 获取今年是哪一年
*
* @return
*/
public static Integer getNowYear() {
Date date = new Date();
GregorianCalendar gc = (GregorianCalendar) Calendar.getInstance();
gc.setTime(date);
return Integer.valueOf(gc.get(1));
}
/**
* 获取本月是哪一月
*
* @return
*/
public static int getNowMonth() {
Date date = new Date();
GregorianCalendar gc = (GregorianCalendar) Calendar.getInstance();
gc.setTime(date);
return gc.get(2) + 1;
}
/**
* 获取本月的开始时间
*
* @return
*/
public static Date getBeginDayOfMonth() {
Calendar calendar = Calendar.getInstance();
calendar.set(Calendar.DATE, 1);
return getDayStartTime(calendar.getTime());
}
/**
* 获取本月的结束时间
*
* @return
*/
public static Date getEndDayOfMonth() {
Calendar calendar = Calendar.getInstance();
calendar.set(getNowYear(), getNowMonth() - 1, 1);
int day = calendar.getActualMaximum(5);
calendar.set(getNowYear(), getNowMonth() - 1, day);
return getDayEndTime(calendar.getTime());
}
/**
* 获取上月的开始时间
*
* @return
*/
public static Date getBeginDayOfLastMonth() {
Calendar calendar = Calendar.getInstance();
calendar.set(getNowYear(), getNowMonth() - 2, 1);
return getDayStartTime(calendar.getTime());
}
/**
* 获取上月的结束时间
*
* @return
*/
public static Date getEndDayOfLastMonth() {
Calendar calendar = Calendar.getInstance();
calendar.set(getNowYear(), getNowMonth() - 2, 1);
int day = calendar.getActualMaximum(5);
calendar.set(getNowYear(), getNowMonth() - 2, day);
return getDayEndTime(calendar.getTime());
}
/**
* 获取本年的开始时间
*
* @return
*/
public static Date getBeginDayOfYear() {
Calendar cal = Calendar.getInstance();
//cal.set(Calendar.YEAR, getNowYear());
cal.set(Calendar.MONTH, Calendar.JANUARY);
cal.set(Calendar.DATE, 1);
return getDayStartTime(cal.getTime());
}
/**
* 获取本年的结束时间
*
* @return
*/
public static Date getEndDayOfYear() {
Calendar cal = Calendar.getInstance();
//cal.set(Calendar.YEAR, getNowYear());
cal.set(Calendar.MONTH, Calendar.DECEMBER);
cal.set(Calendar.DATE, 31);
return getDayEndTime(cal.getTime());
}
/**
* 获取指定年的开始时间
*
* @return
*/
public static Date getBeginDayOfYear(Integer year) {
Calendar cal = Calendar.getInstance();
cal.set(Calendar.YEAR, year);
cal.set(Calendar.MONTH, Calendar.JANUARY);
cal.set(Calendar.DATE, 1);
return getDayStartTime(cal.getTime());
}
/**
* 获取指定年的结束时间
*
* @return
*/
public static Date getEndDayOfYear(Integer year) {
Calendar cal = Calendar.getInstance();
cal.set(Calendar.YEAR, year);
cal.set(Calendar.MONTH, Calendar.DECEMBER);
cal.set(Calendar.DATE, 31);
return getDayEndTime(cal.getTime());
}
/**
* 两个日期相减得到的天数
*
* @param beginDate
* @param endDate
* @return
*/
public static int getDiffDays(Date beginDate, Date endDate) {
if (beginDate == null || endDate == null) {
throw new IllegalArgumentException("getDiffDays param is null!");
}
long diff = (endDate.getTime() - beginDate.getTime()) / (1000 * 60 * 60 * 24);
int days = new Long(diff).intValue();
return days;
}
/**
* 计算两个日期相差月数,如果 date2>date1返回正数,否则返回负数
*
* @param date1
* @param date2
* @return
*/
public static int monthDiff(Date date1, Date date2) {
Calendar c1 = Calendar.getInstance();
c1.setTime(date1);
Calendar c2 = Calendar.getInstance();
c2.setTime(date2);
int yearDiff = c2.get(Calendar.YEAR) - c1.get(Calendar.YEAR);
int monthDiff = c2.get(Calendar.MONTH) - c1.get(Calendar.MONTH);
return yearDiff * 12 + monthDiff;
}
/**
* 获取两个日期中的最大日起
*
* @param beginDate
* @param endDate
* @return
*/
public static Date max(Date beginDate, Date endDate) {
if (beginDate == null) {
return endDate;
}
if (endDate == null) {
return beginDate;
}
if (beginDate.after(endDate)) {//beginDate日期大于endDate
return beginDate;
}
return endDate;
}
/**
* 获取两个日期中的最小日期
*
* @param beginDate
* @param endDate
* @return
*/
public static Date min(Date beginDate, Date endDate) {
if (beginDate == null) {
return endDate;
}
if (endDate == null) {
return beginDate;
}
if (beginDate.after(endDate)) {
return endDate;
}
return beginDate;
}
/**
* 获取某月该季度的第一个月
*
* @param date
* @return
*/
public static Date getFirstSeasonDate(Date date) {
final int[] SEASON = {1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4};
Calendar cal = Calendar.getInstance();
cal.setTime(date);
int sean = SEASON[cal.get(Calendar.MONTH)];
cal.set(Calendar.MONTH, sean * 3 - 3);
return cal.getTime();
}
/**
* 返回某个日期下几天的日期
*
* @param date
* @param i
* @return
*/
public static Date getNextDay(Date date, int i) {
Calendar cal = new GregorianCalendar();
cal.setTime(date);
cal.set(Calendar.DATE, cal.get(Calendar.DATE) + i);
return cal.getTime();
}
/**
* 返回某个日期前几天的日期
*
* @param date
* @param i
* @return
*/
public static Date getFrontDay(Date date, int i) {
Calendar cal = new GregorianCalendar();
cal.setTime(date);
cal.set(Calendar.DATE, cal.get(Calendar.DATE) - i);
return cal.getTime();
}
/**
* 获取某年某月按天切片日期集合(某个月间隔多少天的日期集合)
*
* @param beginYear
* @param beginMonth
* @param k
* @return
*/
@SuppressWarnings({"unchecked", "rawtypes"})
public static List getTimeList(int beginYear, int beginMonth, int k) {
List list = new ArrayList();
Calendar begincal = new GregorianCalendar(beginYear, beginMonth, 1);
int max = begincal.getActualMaximum(Calendar.DATE);
for (int i = 1; i < max; i = i + k) {
list.add(begincal.getTime());
begincal.add(Calendar.DATE, k);
}
begincal = new GregorianCalendar(beginYear, beginMonth, max);
list.add(begincal.getTime());
return list;
}
/**
* 获取某年某月到某年某月按天的切片日期集合(间隔天数的集合)
*
* @param beginYear
* @param beginMonth
* @param endYear
* @param endMonth
* @param k
* @return
*/
@SuppressWarnings({"rawtypes", "unchecked"})
public static List getTimeList(int beginYear, int beginMonth, int endYear, int endMonth, int k) {
List list = new ArrayList();
if (beginYear == endYear) {
for (int j = beginMonth; j <= endMonth; j++) {
list.add(getTimeList(beginYear, j, k));
}
} else {
{
for (int j = beginMonth; j < 12; j++) {
list.add(getTimeList(beginYear, j, k));
}
for (int i = beginYear + 1; i < endYear; i++) {
for (int j = 0; j < 12; j++) {
list.add(getTimeList(i, j, k));
}
}
for (int j = 0; j <= endMonth; j++) {
list.add(getTimeList(endYear, j, k));
}
}
}
return list;
}
/***
* 获取两个日期间的日期集合
* @param startTime
* @param endTime
* @param type
* @return
*/
public static List getDateList(Date startTime, Date endTime, String type) {
List<String> dates = new ArrayList<String>();
Calendar startCalendar = Calendar.getInstance();
Calendar endCalendar = Calendar.getInstance();
startCalendar.setTime(startTime);
endCalendar.setTime(endTime);
while (true) {
if ("day".equals(type)) {
startCalendar.add(Calendar.DATE, 1);
} else if ("month".equals(type)) {
startCalendar.add(Calendar.MONTH, 1);
} else {
return null;
}
if (startCalendar.getTimeInMillis() <= endCalendar.getTimeInMillis()) {
if ("day".equals(type)) {
dates.add(new SimpleDateFormat("yyyy-MM-dd").format(startCalendar.getTime()));
} else if ("month".equals(type)) {
dates.add(new SimpleDateFormat("yyyy-MM").format(startCalendar.getTime()));
}
} else {
break;
}
}
return dates;
}
//=================================时间格式转换==========================
/**
* date类型进行格式化输出(返回类型:String)
*
* @param date
* @return
*/
public static String dateFormat(Date date) {
SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
String dateString = formatter.format(date);
return dateString;
}
/**
* date类型进行格式化输出(返回类型:String)
*
* @param date
* @return
*/
public static String dateFormatYM(Date date) {
SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM");
String dateString = formatter.format(date);
return dateString;
}
/**
* date类型进行格式化输出(返回类型:String)
*
* @param date
* @return
*/
public static String dateFormatYMD(Date date) {
SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
String dateString = formatter.format(date);
return dateString;
}
/**
* 将"2015-08-31 21:08:06"型字符串转化为Date
*
* @param str
* @return
* @throws ParseException
*/
public static Date StringToDate(String str) throws ParseException {
SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
Date date = (Date) formatter.parse(str);
return date;
}
/**
* 将CST时间类型字符串进行格式化输出
*
* @param str
* @return
* @throws ParseException
*/
public static String CSTFormat(String str) throws ParseException {
SimpleDateFormat formatter = new SimpleDateFormat("EEE MMM dd HH:mm:ss zzz yyyy", Locale.US);
Date date = (Date) formatter.parse(str);
return dateFormat(date);
}
/**
* 将long类型转化为Date
*
* @param str
* @return
* @throws ParseException
*/
public static Date LongToDare(long str) throws ParseException {
return new Date(str * 1000);
}
//====================================其他常见日期操作方法======================
/**
* 判断当前日期是否在[startDate, endDate]区间
*
* @param startDate 开始日期
* @param endDate 结束日期
* @return
* @author jqlin
*/
public static boolean isEffectiveDate(Date startDate, Date endDate) {
if (startDate == null || endDate == null) {
return false;
}
long currentTime = new Date().getTime();
if (currentTime >= startDate.getTime()
&& currentTime <= endDate.getTime()) {
return true;
}
return false;
}
/**
* 得到二个日期间的间隔天数
*
* @param secondString:后一个日期
* @param firstString:前一个日期
* @return
*/
public static String getTwoDay(String secondString, String firstString) {
SimpleDateFormat myFormatter = new SimpleDateFormat("yyyy-MM-dd");
long day = 0;
try {
Date secondTime = myFormatter.parse(secondString);
Date firstTime = myFormatter.parse(firstString);
day = (secondTime.getTime() - firstTime.getTime()) / (24 * 60 * 60 * 1000);
} catch (Exception e) {
return "";
}
return day + "";
}
/**
* 获取二个日期间的间隔月数
*
* @param secondString:后一个日期
* @param firstString:前一个日期
* @return
*/
public static int getTwoMonth(Date secondString, Date firstString) {
Calendar c1 = Calendar.getInstance();
Calendar c2 = Calendar.getInstance();
c1.setTime(secondString);
c2.setTime(firstString);
int year1 = c1.get(Calendar.YEAR);
int year2 = c2.get(Calendar.YEAR);
int month1 = c1.get(Calendar.MONTH);
int month2 = c2.get(Calendar.MONTH);
int day1 = c1.get(Calendar.DAY_OF_MONTH);
int day2 = c2.get(Calendar.DAY_OF_MONTH);
// 获取年的差值
int yearInterval = year1 - year2;
// 如果 d1的 月-日 小于 d2的 月-日 那么 yearInterval-- 这样就得到了相差的年数
if (month1 < month2 || month1 == month2 && day1 < day2) {
yearInterval--;
}
// 获取月数差值
int monthInterval = (month1 + 12) - month2;
if (day1 < day2) {
monthInterval--;
}
monthInterval %= 12;
int monthsDiff = Math.abs(yearInterval * 12 + monthInterval);
return monthsDiff;
}
/**
* 时间前推或后推分钟,其中JJ表示分钟.
*
* @param StringTime:时间
* @param minute:分钟(有正负之分)
* @return
*/
public static String getPreTime(String StringTime, String minute) {
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
String mydate1 = "";
try {
Date date1 = format.parse(StringTime);
long Time = (date1.getTime() / 1000) + Integer.parseInt(minute) * 60;
date1.setTime(Time * 1000);
mydate1 = format.format(date1);
} catch (Exception e) {
return "";
}
return mydate1;
}
/**
* 将短时间格式字符串转换为时间 yyyy-MM-dd
*
* @param strDate
* @return
*/
public static Date strToDate(String strDate) {
SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
ParsePosition pos = new ParsePosition(0);
Date strtodate = formatter.parse(strDate, pos);
return strtodate;
}
public static Date stringToDate(String strDate) {
SimpleDateFormat formatter = new SimpleDateFormat("yyyy/MM/dd");
ParsePosition pos = new ParsePosition(0);
Date strtodate = formatter.parse(strDate, pos);
return strtodate;
}
public static Date strToDate(String strDate,String format) {
SimpleDateFormat formatter = new SimpleDateFormat(format);
ParsePosition pos = new ParsePosition(0);
Date strtodate = formatter.parse(strDate, pos);
return strtodate;
}
/**
* 得到一个时间延后或前移几天的时间
*
* @param nowdate:时间
* @param delay:前移或后延的天数
* @return
*/
public static String getNextDay(String nowdate, String delay) {
try {
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
String mdate = "";
Date d = strToDate(nowdate);
long myTime = (d.getTime() / 1000) + Integer.parseInt(delay) * 24 * 60 * 60;
d.setTime(myTime * 1000);
mdate = format.format(d);
return mdate;
} catch (Exception e) {
return "";
}
}
/**
* 判断是否闰年
*
* @param ddate
* @return
*/
public static boolean isLeapYear(String ddate) {
/**
* 详细设计: 1.被400整除是闰年,否则: 2.不能被4整除则不是闰年 3.能被4整除同时不能被100整除则是闰年
* 3.能被4整除同时能被100整除则不是闰年
*/
Date d = strToDate(ddate);
GregorianCalendar gc = (GregorianCalendar) Calendar.getInstance();
gc.setTime(d);
int year = gc.get(Calendar.YEAR);
if ((year % 400) == 0) {
return true;
} else if ((year % 4) == 0) {
if ((year % 100) == 0) {
return false;
} else {
return true;
}
} else {
return false;
}
}
/**
* 返回美国时间格式
*
* @param str
* @return
*/
public static String getEDate(String str) {
SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
ParsePosition pos = new ParsePosition(0);
Date strtodate = formatter.parse(str, pos);
String j = strtodate.toString();
String[] k = j.split(" ");
return k[2] + k[1].toUpperCase() + k[5].substring(2, 4);
}
/**
* 判断二个时间是否在同一个周
*
* @param date1
* @param date2
* @return
*/
public static boolean isSameWeekDates(Date date1, Date date2) {
Calendar cal1 = Calendar.getInstance();
Calendar cal2 = Calendar.getInstance();
cal1.setTime(date1);
cal2.setTime(date2);
int subYear = cal1.get(Calendar.YEAR) - cal2.get(Calendar.YEAR);
if (0 == subYear) {
if (cal1.get(Calendar.WEEK_OF_YEAR) == cal2.get(Calendar.WEEK_OF_YEAR)) {
return true;
}
} else if (1 == subYear && 11 == cal2.get(Calendar.MONTH)) {
// 如果12月的最后一周横跨来年第一周的话则最后一周即算做来年的第一周
if (cal1.get(Calendar.WEEK_OF_YEAR) == cal2.get(Calendar.WEEK_OF_YEAR)) {
return true;
}
} else if (-1 == subYear && 11 == cal1.get(Calendar.MONTH)) {
if (cal1.get(Calendar.WEEK_OF_YEAR) == cal2.get(Calendar.WEEK_OF_YEAR)) {
return true;
}
}
return false;
}
/**
* 产生周序列,即得到当前时间所在的年度是第几周
*
* @return
*/
public static String getSeqWeek() {
Calendar c = Calendar.getInstance(Locale.CHINA);
String week = Integer.toString(c.get(Calendar.WEEK_OF_YEAR));
if (week.length() == 1)
week = "0" + week;
String year = Integer.toString(c.get(Calendar.YEAR));
return year + "年第" + week + "周";
}
/**
* 获得一个日期所在的周的星期几的日期,如要找出2002年2月3日所在周的星期一是几号
*
* @param sdate:日期
* @param num:星期几(星期天是一周的第一天)
* @return
*/
public static String getWeek(String sdate, String num) {
// 再转换为时间
Date dd = strToDate(sdate);
Calendar c = Calendar.getInstance();
c.setTime(dd);
if (num.equals("1")) // 返回星期一所在的日期
c.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);
else if (num.equals("2")) // 返回星期二所在的日期
c.set(Calendar.DAY_OF_WEEK, Calendar.TUESDAY);
else if (num.equals("3")) // 返回星期三所在的日期
c.set(Calendar.DAY_OF_WEEK, Calendar.WEDNESDAY);
else if (num.equals("4")) // 返回星期四所在的日期
c.set(Calendar.DAY_OF_WEEK, Calendar.THURSDAY);
else if (num.equals("5")) // 返回星期五所在的日期
c.set(Calendar.DAY_OF_WEEK, Calendar.FRIDAY);
else if (num.equals("6")) // 返回星期六所在的日期
c.set(Calendar.DAY_OF_WEEK, Calendar.SATURDAY);
else if (num.equals("0")) // 返回星期日所在的日期
c.set(Calendar.DAY_OF_WEEK, Calendar.SUNDAY);
return new SimpleDateFormat("yyyy-MM-dd").format(c.getTime());
}
/**
* 根据一个日期,返回是星期几的字符串
*
* @param sdate
* @return
*/
public static String getWeek(String sdate) {
// 再转换为时间
Date date = strToDate(sdate);
Calendar c = Calendar.getInstance();
c.setTime(date);
// int hour=c.get(Calendar.DAY_OF_WEEK);
// hour中存的就是星期几了,其范围 1~7
// 1=星期日 7=星期六,其他类推
return new SimpleDateFormat("EEEE").format(c.getTime());
}
/**
* 根据一个日期,返回是星期几的字符串
*
* @param sdate
* @return
*/
public static String getWeekStr(String sdate) {
String str = "";
str = getWeek(sdate);
if ("1".equals(str)) {
str = "星期日";
} else if ("2".equals(str)) {
str = "星期一";
} else if ("3".equals(str)) {
str = "星期二";
} else if ("4".equals(str)) {
str = "星期三";
} else if ("5".equals(str)) {
str = "星期四";
} else if ("6".equals(str)) {
str = "星期五";
} else if ("7".equals(str)) {
str = "星期六";
}
return str;
}
/**
* 两个时间之间的天数
*
* @param date1
* @param date2
* @return
*/
public static long getDays(String date1, String date2) {
if (date1 == null || date1.equals(""))
return 0;
if (date2 == null || date2.equals(""))
return 0;
// 转换为标准时间
SimpleDateFormat myFormatter = new SimpleDateFormat("yyyy-MM-dd");
Date date = null;
Date mydate = null;
try {
date = myFormatter.parse(date1);
mydate = myFormatter.parse(date2);
} catch (Exception e) {
}
long day = (date.getTime() - mydate.getTime()) / (24 * 60 * 60 * 1000);
return day;
}
/**
* 形成如下的日历 , 根据传入的一个时间返回一个结构 星期日 星期一 星期二 星期三 星期四 星期五 星期六 下面是当月的各个时间
* 此函数返回该日历第一行星期日所在的日期
*
* @param sdate
* @return
*/
public static String getNowMonth(String sdate) {
// 取该时间所在月的一号
sdate = sdate.substring(0, 8) + "01";
// 得到这个月的1号是星期几
Date date = strToDate(sdate);
Calendar c = Calendar.getInstance();
c.setTime(date);
int u = c.get(Calendar.DAY_OF_WEEK);
String newday = getNextDay(sdate, (1 - u) + "");
return newday;
}
/**
* 根据用户传入的时间表示格式,返回当前时间的格式 如果是yyyyMMdd,注意字母y不能大写
*
* @param sformat
* @return
*/
public static String getUserDate(String sformat) {
Date currentTime = new Date();
SimpleDateFormat formatter = new SimpleDateFormat(sformat);
String dateString = formatter.format(currentTime);
return dateString;
}
/**
* 返回一个i位数的随机数
*
* @param i
* @return
*/
public static String getRandom(int i) {
Random jjj = new Random();
// int suiJiShu = jjj.nextInt(9);
if (i == 0)
return "";
String jj = "";
for (int k = 0; k < i; k++) {
jj = jj + jjj.nextInt(9);
}
return jj;
}
/**
* 取得数据库主键 生成格式为yyyymmddhhmmss+k位随机数
*
* @param k:表示是取几位随机数,可以自己定
* @return
*/
public static String getNo(int k) {
return getUserDate("yyyyMMddhhmmss") + getRandom(k);
}
/**
* 安全解析
*
* @param fmt 格式
* @param str 日期字符串
* @param df 默认值
* @return
*/
public static Date safeParse(String fmt, String str, Date df) {
try {
if (Strings.isBlank(str) || Strings.isBlank(fmt)) {
return df;
}
return Times.parse(fmt, str);
} catch (Exception e) {
e.printStackTrace();
}
return df;
}
/**
* 安全格式化
*
* @param fmt
* @param millisecond 毫秒数
* @param df
* @return
*/
public static String safeFormat(String fmt, long millisecond, String df) {
if (millisecond < 0 || Strings.isBlank(fmt)) {
return df;
}
Date date = new Date(millisecond);
try {
return Times.format(fmt, date);
} catch (Exception e) {
}
return df;
}
/**
* 根据时间获取对应的Map,key
*
* @param startTime
* @param endTime
* @param timeType
* @return
*/
public static NutMap getTimeMap(Long startTime, Long endTime, int timeType) {
NutMap re = NutMap.NEW();
String timeFmt;
switch (timeType) {
case Calendar.YEAR:
timeFmt = "yyyy";
break;
case Calendar.MONTH:
timeFmt = "yyyy-MM";
break;
case Calendar.DATE:
timeFmt = "yyyy-MM-dd";
break;
default:
return re;
}
Calendar start = Calendar.getInstance();
start.setTimeInMillis(startTime);
Calendar end = Calendar.getInstance();
end.setTimeInMillis(endTime);
while (start.before(end)) {
re.put(Times.format(timeFmt, start.getTime()), 0);
start.add(timeType, 1);
}
return re;
}
public static Long getTime(int timeType, boolean isStart) {
switch (timeType) {
case Calendar.YEAR:
return isStart ? TimeUtil.getBeginDayOfYear(2020).getTime() : System.currentTimeMillis();
case Calendar.MONTH:
return (isStart ? TimeUtil.getBeginDayOfYear() : TimeUtil.getEndDayOfYear()).getTime();
case Calendar.DATE:
return (isStart ? TimeUtil.getBeginDayOfMonth() : TimeUtil.getEndDayOfMonth()).getTime();
default:
return System.currentTimeMillis();
}
}
/**
* 将日期时间字符串从 yyyyMMddHHmmss、yyMMddHHmmss 转换为 yyyy-MM-dd HH:mm:ss 的格式
*
* @param timeStr yyyyMMddHHmmss、yyMMddHHmmss 格式的日期时间字符串
* @return
*/
public static String convertToStd(String timeStr) {
if (Strings.isBlank(timeStr)) {
return null;
}
if (timeStr.contains("T") || timeStr.contains("Z")) {
timeStr = timeStr.replaceAll("T|Z", "");
}
if (timeStr.length() == 12) {
int year = LocalDate.now().getYear() / 100;
timeStr = year + timeStr;
}
// yyyyMMddHHmmss 的格式的
if (timeStr.length() == 14) {
return String.format("%s-%s-%s %s:%s:%s"
, timeStr.substring(0, 4), timeStr.substring(4, 6), timeStr.substring(6, 8)
, timeStr.substring(8, 10), timeStr.substring(10, 12), timeStr.substring(12, 14)
);
}
// yyMMddHHmmss
else {
return timeStr;
}
}
/**
* 将yyyy-MM-dd改为yyMMdd
*
* @param dateStr
* @return
*/
public static String changeFormat(String dateStr) {
dateStr = dateStr.replaceAll("-", "");
dateStr = dateStr.replaceAll(":", "");
dateStr = dateStr.replaceAll(" ", "");
return dateStr;
}
/**
* 判断某一日是否为当月最后一天
*
* @param date 日期
* @return
*/
public static boolean isLastDayOfMonth(Date date) {
Calendar c = Calendar.getInstance();
c.setTime(date);
return c.get(Calendar.DAY_OF_MONTH) == c.getActualMaximum(Calendar.DAY_OF_MONTH);
}
/**
* 指定日期格式的日期转为时间戳
*
* @param date
* @param dateFormat
* @return
*/
public static Long formatDate2Long(String date, String dateFormat) {
try {
SimpleDateFormat sdf = new SimpleDateFormat(dateFormat);
return sdf.parse(date).getTime();
} catch (Exception e) {
e.printStackTrace();
}
return 0l;
}
/**
* 取得去年第一天0点00分的毫秒值
*/
public static long getLastYearStartDay() {
Calendar ca = Calendar.getInstance();
ca.setTime(new Date());
ca.add(Calendar.YEAR, -1);
ca.set(Calendar.MONTH, 0);
ca.set(Calendar.DAY_OF_MONTH, 1);
ca.set(Calendar.HOUR_OF_DAY, 0);
ca.set(Calendar.MINUTE, 0);
ca.set(Calendar.SECOND, 0);
return ca.getTimeInMillis();
}
/**
* 取得去年最后一天12点59分的毫秒值
*/
public static long getLastYearEndDay() {
Calendar calendar = Calendar.getInstance();// 获取当前日期
calendar.add(Calendar.YEAR, 0);
calendar.add(Calendar.DATE, 0);
calendar.add(Calendar.MONTH, 0);
calendar.set(Calendar.DAY_OF_YEAR, 1);
calendar.set(Calendar.HOUR, 0);
calendar.set(Calendar.MINUTE, 0);
calendar.set(Calendar.SECOND, 0);
Long time = calendar.getTimeInMillis() - 1;
return time;
}
/**
* 取得今年第一天0点00分的时间戳
*/
public static long getNowYearStartDay() {
Calendar calendar = Calendar.getInstance();// 获取当前日期
calendar.add(Calendar.YEAR, 0);
calendar.add(Calendar.DATE, 0);
calendar.add(Calendar.MONTH, 0);
calendar.set(Calendar.DAY_OF_YEAR, 1);
calendar.set(Calendar.HOUR, 0);
calendar.set(Calendar.MINUTE, 0);
calendar.set(Calendar.SECOND, 0);
Long time = calendar.getTimeInMillis();
return time;
}
public static long dateTime2Timestamp(LocalDateTime dateTime) {
ZoneId zone = ZoneId.systemDefault();
Instant instant = dateTime.atZone(zone).toInstant();
return instant.toEpochMilli();
}
}