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java时间日期工具类_付付讶的博客-CSDN博客本文出自付付讶的博客
package com.wyzz.model.common.utils;
import com.wyzz.model.constant.PayConstants;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.joda.time.DateTimeConstants;
import org.joda.time.LocalDateTime;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.time.DayOfWeek;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.ZoneOffset;
import java.time.ZoneId;
import java.time.format.DateTimeFormatter;
import java.time.temporal.TemporalAdjusters;
import java.util.*;
import java.time.Instant;
public class DateUtils {
public static final String DEFAULT_FORMAT_DATETIME="yyyy-MM-dd HH:mm:ss";
public static final String DEFAULT_FORMAT_Hour="yyyy-MM-dd HH";
public static final String DEFAULT_FORMAT_DATE="yyyy-MM-dd";
public static final String DEFAULT_FORMAT_TIME="HH:mm:ss";
private static final List FORMATLIST = new ArrayList(4);
static {
FORMATLIST.add("yyyy-MM");
FORMATLIST.add("yyyy-MM-dd");
FORMATLIST.add("yyyy-MM-dd hh:mm");
FORMATLIST.add("yyyy-MM-dd hh:mm:ss");
}
static final long ONE_SECOND = 1000L;
static final long MINUTES_CONSTANT = 60L;
//日期格式
private static SimpleDateFormat year_format = new SimpleDateFormat("yyyy");
public static SimpleDateFormat default_format = new SimpleDateFormat(
"yyyy-MM-dd");
public static SimpleDateFormat common_format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
public static SimpleDateFormat time_format = new SimpleDateFormat(
"yyyyMMddHHmmss");
public static SimpleDateFormat times_format = new SimpleDateFormat(
"yyyyMMddHHmmssSSS");
protected static Log log = LogFactory.getLog(DateUtils.class);
public static Date formatDate(String dateStr, String format) {
Date date = null;
try {
SimpleDateFormat sdf = new SimpleDateFormat(format);
date = sdf.parse(dateStr);
} catch (Exception e) {
}
return date;
}
public static String parseDate(Date date, String format) {
String dateStr = null;
try {
SimpleDateFormat sdf = new SimpleDateFormat(format);
dateStr = sdf.format(date);
} catch (Exception e) {
throw new RuntimeException("cant not format Date to String for date:"+date);
}
return dateStr;
}
public static long generateLongTime() {
Date dt = new Date();
return dt.getTime();
}
public static String nowTime() {
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
return format.format(new Date());
}
public static String nowTimeMonth() {
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM");
return format.format(new Date());
}
public static String generateTime() {
SimpleDateFormat format = new SimpleDateFormat("yyyyMMddHHmmss");
return format.format(new Date());
}
public static String generateTimes() {
SimpleDateFormat format = new SimpleDateFormat("yyyyMMddHHmmssSSS");
return format.format(new Date());
}
public static String getCurrentDate() {
Calendar c = Calendar.getInstance();
Date date = c.getTime();
SimpleDateFormat simple = new SimpleDateFormat("yyyy-MM-dd");
return simple.format(date);
}
public static String getYesterdayDate(){
SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd");
Calendar calendar = new GregorianCalendar();
calendar.setTime(new Date());
calendar.add(calendar.DATE,-1);
String date2= sdf.format(calendar.getTime());
System.out.println(date2);
return date2;
}
public static Date getCurDate() {
Calendar instance = Calendar.getInstance();
instance.add(Calendar.DAY_OF_YEAR, -1);
return instance.getTime();
}
public static int getCurrYear() {
return new GregorianCalendar().get(Calendar.YEAR);
}
public static int getNextYear() {
return new GregorianCalendar().get(Calendar.YEAR) + 1;
}
public static String generateDateTime(String formatStr) {
SimpleDateFormat format = new SimpleDateFormat(formatStr);
return format.format(new Date());
}
public static String generateDateTimeAddHour(int addHour,String formatstr){
Calendar cal = Calendar.getInstance();
cal.add(Calendar.HOUR_OF_DAY, addHour);
SimpleDateFormat format = new SimpleDateFormat(formatstr);
return format.format(cal.getTime());
}
public static String generateDateTime(Date date,String formatStr){
SimpleDateFormat format = new SimpleDateFormat(formatStr);
return format.format(date);
}
public static int getAgeByBirthday(String birthday,String formatter){
return getAgeByBirthday(formatDate(birthday, formatter));
}
public static int getAgeByBirthday(Date birthday){
int age=0;
Calendar now=Calendar.getInstance();
now.setTime(new Date());
Calendar birth=Calendar.getInstance();
birth.setTime(birthday);
//如果生日比当前日期晚，就是0岁
if(birth.after(now)){
age=0;
}else{
age=now.get(Calendar.YEAR)-birth.get(Calendar.YEAR);//计算年份差，例如：2019-2018=1
if(age!=0 && now.get(Calendar.DAY_OF_YEAR)<=birth.get(Calendar.DAY_OF_YEAR)){
//如果当前日期早于出生日期，则年龄-1
age-=1;
}
}
return age;
}
public static List getMonthsByQuarter(int quarter){
List months=new ArrayList<>();
String year=String.valueOf(getCurrYear());
switch(quarter){
case 1:
months.add(year+"-01");
months.add(year+"-02");
months.add(year+"-03");
break;
case 2:
months.add(year+"-04");
months.add(year+"-05");
months.add(year+"-06");
break;
case 3:
months.add(year+"-07");
months.add(year+"-08");
months.add(year+"-09");
break;
case 4:
months.add(year+"-10");
months.add(year+"-11");
months.add(year+"-12");
break;
}
return months;
}
public static List getMonthsByQuarter(String year,int quarter){
List months=new ArrayList<>();
if(StringUtils.isEmpty(year)){
return getMonthsByQuarter(quarter);
}
switch(quarter){
case 1:
months.add(year+"-01");
months.add(year+"-02");
months.add(year+"-03");
break;
case 2:
months.add(year+"-04");
months.add(year+"-05");
months.add(year+"-06");
break;
case 3:
months.add(year+"-07");
months.add(year+"-08");
months.add(year+"-09");
break;
case 4:
months.add(year+"-10");
months.add(year+"-11");
months.add(year+"-12");
break;
}
return months;
}
public static int parseQuarter(int month) {
int quarter = 0;
switch (month) {
case 1:
case 2:
case 3:
quarter = 1;
break;
case 4:
case 5:
case 6:
quarter = 2;
break;
case 7:
case 8:
case 9:
quarter = 3;
break;
case 10:
case 11:
case 12:
quarter = 4;
break;
default:
break;
}
return quarter;
}
public static int getMonthFromYear(String dateString) {
Date date = string2Date(dateString);
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
return calendar.get(Calendar.MONTH) + 1;
}
public static int getDaysOfMonth(String date,String format){
Calendar ca=Calendar.getInstance();
ca.setTime(formatDate(date,format));
return ca.getActualMaximum(Calendar.DAY_OF_MONTH);
}
public static int getDayFromYear(String year) {
Date date;
int day = 0;
try {
date = year_format.parse(year);
Calendar calendar = new GregorianCalendar();
calendar.setTime(date);
day = calendar.getActualMaximum(Calendar.DAY_OF_YEAR);
} catch (ParseException e) {
}
return day;
}
public static String getCurrYearFirstDay(int year) {
Calendar calendar = Calendar.getInstance();
calendar.clear();
calendar.set(Calendar.YEAR, year);
Date currYearFirst = calendar.getTime();
return default_format.format(currYearFirst);
}
public static int getWeek(Date date) {
Calendar c = Calendar.getInstance();
c.setTime(date);
int iDay = 0;
if (c.get(Calendar.DAY_OF_WEEK) == 1) {
iDay = 7;
} else {
iDay = c.get(Calendar.DAY_OF_WEEK) - 1;
}
return iDay;
}
public static int getWeek(String dateString) {
Date date = string2Date(dateString);
Calendar c = Calendar.getInstance();
c.setTime(date);
int iDay = 0;
if (c.get(Calendar.DAY_OF_WEEK) == 1) {
iDay = 7;
} else {
iDay = c.get(Calendar.DAY_OF_WEEK) - 1;
}
return iDay;
}
public static String getDateByAddDays(String inDate, int days, int _iType) {
Date dateStr = string2Date(inDate);
Date tempDate = getDateByAddDays(dateStr, days);
return date2String(tempDate, _iType);
}
public static String date2String(Date date, int _iType) {
String strTemp = time_format.format(date);
SimpleDateFormat formatter = null;
switch (_iType) {
case 0: // yyyymmdd
strTemp = strTemp.substring(0, 8);
break;
case 4:// yyyy
strTemp = strTemp.substring(0, 4);
break;
case 6: // yymmdd
strTemp = strTemp.substring(2, 8);
break;
case 8: // yyyymmdd
strTemp = strTemp.substring(0, 8);
break;
case 14:
// yyyyMMddHHmmss 格式
break;
case 10: // yyyy-mm-dd
formatter = new SimpleDateFormat("yyyy-MM-dd");
strTemp = formatter.format(date);
break;
case 19: // yyyy-mm-dd HH:mm:ss
formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
strTemp = formatter.format(date);
break;
case -6: // HHmmss
strTemp = strTemp.substring(8);
break;
case -8: // HH:mm:ss
formatter = new SimpleDateFormat("HH:mm:ss");
strTemp = formatter.format(date);
break;
default:
break;
}
return strTemp;
}
public static String longDate2String(long lDate, int _iType) {
Date date = new Date(lDate);
String strTemp = time_format.format(date);
SimpleDateFormat formatter = null;
switch (_iType) {
case 0: // yyyymmdd
strTemp = strTemp.substring(0, 8);
break;
case 4:// yyyy
strTemp = strTemp.substring(0, 4);
break;
case 6: // yymmdd
strTemp = strTemp.substring(2, 8);
break;
case 8: // yyyymmdd
strTemp = strTemp.substring(0, 8);
break;
case 10: // yyyy-mm-dd
formatter = new SimpleDateFormat("yyyy-MM-dd");
strTemp = formatter.format(date);
break;
case -6: // HHmmss
strTemp = strTemp.substring(8);
break;
case -8: // HH:mm:ss
formatter = new SimpleDateFormat("HH:mm:ss");
strTemp = formatter.format(date);
break;
default:
break;
}
return strTemp;
}
public static Date getDateByAddDays(Date inDate, int days) {
GregorianCalendar calendar = new GregorianCalendar();
calendar.setTime(inDate);
calendar.add(Calendar.DATE, days);
return calendar.getTime();
}
public static String getDateByAddDays(String formatStr, int days) {
SimpleDateFormat format = new SimpleDateFormat(formatStr);
GregorianCalendar calendar = new GregorianCalendar();
calendar.setTime(new Date());
calendar.add(Calendar.DATE, days);
return format.format(calendar.getTime());
}
public static Date getDateByAddMinutes(Date inDate, int minutes) {
GregorianCalendar calendar = new GregorianCalendar();
calendar.setTime(inDate);
calendar.add(Calendar.MINUTE, minutes);
return calendar.getTime();
}
public static Date getDateByAddMonth(Date inDate, int month) {
GregorianCalendar calendar = new GregorianCalendar();
calendar.setTime(inDate);
calendar.add(Calendar.MONTH, month);
return calendar.getTime();
}
public static String getCurrentByAddMonth(int month) {
Date d = getDateByAddMonth(new Date(), month);
return date2String(d, 14);
}
public static double getHourBetweenDates(Date beginDate, Date endDate) {
long l1 = endDate.getTime();
long l2 = beginDate.getTime();
double cc = l1 - l2;
return cc / (60 * 60 * 1000);
}
public static double getMinuteBetweenDates(Date beginDate, Date endDate) {
double cc = endDate.getTime() - beginDate.getTime();
return cc / (60 * 1000);
}
public static Long getDateBetween(Date date1, Date date2) {
return Math.abs((date1.getTime() - date2.getTime()) / 1000);
}
public static int differentDays(Date date1,Date date2){
Calendar cal1 = Calendar.getInstance();
cal1.setTime(date1);
Calendar cal2 = Calendar.getInstance();
cal2.setTime(date2);
int day1= cal1.get(Calendar.DAY_OF_YEAR);
int day2 = cal2.get(Calendar.DAY_OF_YEAR);
int year1 = cal1.get(Calendar.YEAR);
int year2 = cal2.get(Calendar.YEAR);
//不同一年
if(year1 != year2){
int timeDistance = 0 ;
for(int i = year1 ; i < year2 ; i ++){
//闰年
if(i%4==0 && i%100!=0 || i%400==0){
timeDistance += 366;
//不是闰年
} else{
timeDistance += 365;
}
}
return timeDistance + (day2-day1) ;
//同一年
}else {
return day2-day1;
}
}
public static String getMonthEnglishName(String sMonth) {
String[] arrMonth = {"JAN", "FEB", "MAR", "APR", "MAY", "JUN", "JUL", "AUG", "SEP", "OCT", "NOV", "DEC"};
int iMonth = 0;
String sRet = "";
try {
iMonth = Integer.parseInt(sMonth);
if (iMonth >= 1 && iMonth <= 12) {
sRet = arrMonth[iMonth -1];
}
} catch (Exception e) {
e.printStackTrace();
}
return sRet;
}
@SuppressWarnings("unused")
public static int compareDate(String date1, String date2, int stype) {
int n = 0;
String[] u = { "天", "月", "年" };
String formatStyle = stype == 1 ? "yyyy-MM" : "yyyy-MM-dd";
date2 = date2 == null ? DateUtils.getCurrentDate() : date2;
DateFormat df = new SimpleDateFormat(formatStyle);
Calendar c1 = Calendar.getInstance();
Calendar c2 = Calendar.getInstance();
try {
c1.setTime(df.parse(date1));
c2.setTime(df.parse(date2));
} catch (Exception e3) {
e3.printStackTrace();
}
// List list = new ArrayList();
while (!c1.after(c2)) { // 循环对比，直到相等，n 就是所要的结果
// list.add(df.format(c1.getTime())); // 这里可以把间隔的日期存到数组中 打印出来
n++;
if (stype == 1) {
c1.add(Calendar.MONTH, 1); // 比较月份，月份+1
} else {
c1.add(Calendar.DATE, 1); // 比较天数，日期+1
}
}
n = n - 1;
if (stype == 2) {
n = (int) n / 365;
}
return n;
}
public static String CalculateWeekDay(String date) {
String[] str = date.split("-");
int y = Integer.parseInt(str[0]);
int m = 0;
if(str[1].startsWith("0")){
m = Integer.parseInt(str[1].substring(1));
}else{
m = Integer.parseInt(str[1]);
}
int d = Integer.parseInt(str[2]);
if (m == 1 || m == 2) {
m += 12;
y--;
}
int iWeek = (d + 2 * m + 3 * (m + 1) / 5 + y + y / 4 - y / 100 + y / 400) % 7;
switch (iWeek) {
case 0:
return "星期一";
case 1:
return "星期二";
case 2:
return "星期三";
case 3:
return "星期四";
case 4:
return "星期五";
case 5:
return "星期六";
case 6:
return "星期日";
}
return "";
}
public static String[] getWeekRange(){
LocalDate today = LocalDate.now();
DayOfWeek week = today.getDayOfWeek();
int dayValue = week.getValue();
String weekStart = today.minusDays(dayValue - 1).format(DateTimeFormatter.ofPattern("yyyy-MM-dd"));
String weekEnd = today.plusDays(7 - dayValue).format(DateTimeFormatter.ofPattern("yyyy-MM-dd"));
return new String[]{weekStart,weekEnd};
}
public static Date[] getWeekRangeDate() {
// 当前时间
LocalDateTime now = LocalDateTime.now();
// 本周开始时间
Date startTimeInWeek = now.withHourOfDay(0).withMinuteOfHour(0).withSecondOfMinute(0).withDayOfWeek(DateTimeConstants.MONDAY).toDate();
// 本周结束时间
Date endTimeInWeek = now.withHourOfDay(23).withMinuteOfHour(59).withSecondOfMinute(59).withDayOfWeek(DateTimeConstants.SUNDAY).toDate();
return new Date[]{startTimeInWeek,endTimeInWeek};
}
public static String[] getWorkRange(){
LocalDate today = LocalDate.now();
DayOfWeek week = today.getDayOfWeek();
int dayValue = week.getValue();
String weekStart = today.minusDays(dayValue - 1).format(DateTimeFormatter.ofPattern("yyyy-MM-dd"));
String weekEnd = today.plusDays(5 - dayValue).format(DateTimeFormatter.ofPattern("yyyy-MM-dd"));
return new String[]{weekStart,weekEnd};
}
public static String[] getMonthRange(String month){
//获取本月第一天和最后一天日期
DateTimeFormatter format=DateTimeFormatter.ofPattern("yyyy-MM-dd");
LocalDate firstDay = LocalDate.parse(month,format).with(TemporalAdjusters.firstDayOfMonth());
LocalDate lastDay = LocalDate.parse(month,format).with(TemporalAdjusters.lastDayOfMonth());
return new String[]{firstDay.format(format),lastDay.format(format)};
}
public static String[] getQuarterRange(){
List months=getMonthsByQuarter(parseQuarter(Integer.valueOf(generateDateTime("MM"))));
//获取本月第一天和最后一天日期
DateTimeFormatter format=DateTimeFormatter.ofPattern("yyyy-MM-dd");
String lastDay = getMonthRange(months.get(2)+"-01")[1];
return new String[]{months.get(0)+"-01",lastDay};
}
public static Date 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 calendar.getTime();
}
public static Date 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, 0);
return calendar.getTime();
}
public static Date[] getMonthRangeDate() {
LocalDate today = LocalDate.now();
//本月的第一天
LocalDate firstDay = LocalDate.of(today.getYear(), today.getMonth(), 1);
Date startTimeInMonth = Date.from(firstDay.atStartOfDay(ZoneOffset.ofHours(8)).toInstant());
//本月的最后一天
LocalDate lastDay = today.with(TemporalAdjusters.lastDayOfMonth());
Date endTimeInMonth = Date.from(lastDay.atStartOfDay(ZoneOffset.ofHours(8)).toInstant());
return new Date[]{getDayStartTime(startTimeInMonth),getDayEndTime(endTimeInMonth)};
}
public static String[] getMonthRange(){
//获取本月第一天和最后一天日期
return getMonthRange(generateDateTime("yyyy-MM-dd"));
}
public static Date[] getBeforeMonthRangeDate() {
LocalDate today = LocalDate.now().plusMonths(-1);
//本月的第一天
LocalDate firstDay = LocalDate.of(today.getYear(), today.getMonth(), 1);
Date startTimeInMonth = Date.from(firstDay.atStartOfDay(ZoneOffset.ofHours(8)).toInstant());
//本月的最后一天
LocalDate lastDay = today.with(TemporalAdjusters.lastDayOfMonth());
Date endTimeInMonth = Date.from(lastDay.atStartOfDay(ZoneOffset.ofHours(8)).toInstant());
return new Date[]{getDayStartTime(startTimeInMonth),getDayEndTime(endTimeInMonth)};
}
public static long getSecondByEndToday() {
Calendar calendar = Calendar.getInstance();
calendar.add(Calendar.DAY_OF_YEAR,1);
calendar.set(Calendar.HOUR_OF_DAY,0);
calendar.set(Calendar.SECOND,0);
calendar.set(Calendar.MINUTE,0);
calendar.set(Calendar.MILLISECOND,0);
return ((calendar.getTimeInMillis()-System.currentTimeMillis()) / 1000) ;
}
public static long getSecondByMonthEndDay() {
Date date = getMonthRangeDate()[1];
return ((date.getTime()-System.currentTimeMillis()) / 1000) ;
}
public static int toSecs(long timeInMillis) {
return (int) Math.ceil((double) timeInMillis / ONE_SECOND);
}
public static int toMinutes(long timeInMillis) {
return (int) Math.ceil((double) timeInMillis / ONE_SECOND / MINUTES_CONSTANT);
}
public static long toMillis(int timeInSecs) {
return timeInSecs * ONE_SECOND;
}
public static int convertTimeToInt(long seconds) {
if (seconds > Integer.MAX_VALUE) {
return Integer.MAX_VALUE;
} else {
return (int) seconds;
}
}
public static int currentSecond() {
return toSecs(System.currentTimeMillis());
}
public static int currentSecond(boolean isDay) {
if (isDay) {
return currentSecond();
}
Date current = new Date();
current = new Date(current.getYear(), current.getMonth(), current.getDate());
return toSecs(current.getTime());
}
public static boolean isToday(Integer second) {
//获取当前日期
LocalDate now = LocalDate.now();
//获取传入毫秒日期
Instant instant = Instant.ofEpochSecond(second);
LocalDate localDate = LocalDateTime.ofInstant(instant, ZoneId.systemDefault()).toLocalDate();
return now.equals(localDate);
}
}
