import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.time.*;
import java.time.format.DateTimeFormatter;
import java.util.*;
/**
* @Author : JCccc
* @CreateTime : 2020/2/27
* @Description :
**/
public class DateUtil {
/**
* 获取今天开始时间和结束时间
*
* @return
*/
public static Map getTodayTime() {
Long startTime = getStartTime();
//Long endTime = getEndTime(); //当期时间
Long endTime = new Date().getTime(); //当期时间
DateTimeFormatter ftf = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
String startTimeStr = ftf.format(LocalDateTime.ofInstant(Instant.ofEpochMilli(startTime), ZoneId.systemDefault()));
String endTimeStr = ftf.format(LocalDateTime.ofInstant(Instant.ofEpochMilli(endTime), ZoneId.systemDefault()));
Map map = new HashMap();
map.put("startDate", startTimeStr);
map.put("endDate", endTimeStr);
return map;
}
//获取今天日期 年月日
public static Date getTodayYmd(){
Date now = new Date();
Calendar cal1 = Calendar.getInstance();
cal1.setTime(now);
// 将时分秒,毫秒域清零
cal1.set(Calendar.HOUR_OF_DAY, 0);
cal1.set(Calendar.MINUTE, 0);
cal1.set(Calendar.SECOND, 0);
cal1.set(Calendar.MILLISECOND, 0);
return cal1.getTime();
}
//获取昨天日期 年月日
public static Date getYesterdayYmd() {
Calendar cal = new GregorianCalendar();
cal.set(Calendar.HOUR_OF_DAY, 0);
cal.set(Calendar.MINUTE, 0);
cal.set(Calendar.SECOND, 0);
cal.set(Calendar.MILLISECOND, 0);
cal.add(Calendar.DAY_OF_MONTH, -1);
return cal.getTime();
}
/**
* 获取昨天开始时间和结束时间
*
* @return
*/
public static Map getYesterdayTime() {
Long startTime = getBeginDayOfYesterday();
Long endTime = getEndDayOfYesterDay();
DateTimeFormatter ftf = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
String startTimeStr = ftf.format(LocalDateTime.ofInstant(Instant.ofEpochMilli(startTime), ZoneId.systemDefault()));
String endTimeStr = ftf.format(LocalDateTime.ofInstant(Instant.ofEpochMilli(endTime), ZoneId.systemDefault()));
Map map = new HashMap();
map.put("startDate", startTimeStr);
map.put("endDate", endTimeStr);
return map;
}
/**
* 获取当月开始时间和结束时间
*
* @return
*/
public static Map getMonthTime() {
Long startTime = getMonthStartTime();
Long endTime = getMonthEndTime();
DateTimeFormatter ftf = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
String startTimeStr = ftf.format(LocalDateTime.ofInstant(Instant.ofEpochMilli(startTime), ZoneId.systemDefault()));
String endTimeStr = ftf.format(LocalDateTime.ofInstant(Instant.ofEpochMilli(endTime), ZoneId.systemDefault()));
Map map = new HashMap();
map.put("startDate", startTimeStr);
map.put("endDate", endTimeStr);
return map;
}
/**
* 获取上个月月开始时间和结束时间
*
* @return
*/
public static Map getLastMonthTime() throws Exception {
Long startTime = getLastMonthStartTime();
Long endTime = getLastMonthEndTime();
DateTimeFormatter ftf = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
String startTimeStr = ftf.format(LocalDateTime.ofInstant(Instant.ofEpochMilli(startTime), ZoneId.systemDefault()));
String endTimeStr = ftf.format(LocalDateTime.ofInstant(Instant.ofEpochMilli(endTime), ZoneId.systemDefault()));
Map map = new HashMap();
map.put("startDate", startTimeStr);
map.put("endDate", endTimeStr);
return map;
}
//获取月均开始和结束时间
public static Map getAverageTime(String minCreateTime) throws ParseException {
Long yesterdayTimeEnd =getEndDayOfYesterDay();
DateTimeFormatter ftf = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
//昨天的时间
String yesterdayStr = ftf.format(LocalDateTime.ofInstant(Instant.ofEpochMilli(yesterdayTimeEnd), ZoneId.systemDefault()));
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
String yesterdayBefore30Str = "";
Calendar calc = Calendar.getInstance();
calc.setTime(sdf.parse(yesterdayStr));
calc.add(calc.DATE, -30);
calc.set(Calendar.HOUR_OF_DAY, 0);
calc.set(Calendar.MINUTE, 0);
calc.set(Calendar.SECOND, 0);
calc.set(Calendar.MILLISECOND, 0);
Date minDate = calc.getTime();
yesterdayBefore30Str = sdf.format(minDate);
int num = daysBetween(yesterdayBefore30Str, yesterdayStr);
int checkNum = daysBetween(minCreateTime, yesterdayBefore30Str);
System.out.println("checkNum:"+checkNum);
Map map = new HashMap();
if (checkNum < 0) {
int numNew = daysBetween(minCreateTime, yesterdayStr);
map.put("startDate", minCreateTime);
map.put("endDate", yesterdayStr);
map.put("num", Math.abs(numNew)); //取绝对值
return map;
}
map.put("startDate", yesterdayBefore30Str);
map.put("endDate", yesterdayStr);
map.put("num", num);
return map;
}
public static int daysBetween(String smdate, String bdate) throws ParseException {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
Calendar cal = Calendar.getInstance();
cal.setTime(sdf.parse(smdate));
long time1 = cal.getTimeInMillis();
cal.setTime(sdf.parse(bdate));
long time2 = cal.getTimeInMillis();
long between_days = (time2 - time1) / (1000 * 3600 * 24);
return Integer.parseInt(String.valueOf(between_days));
}
/**
* 获取今天开始时间
*/
private static Long getStartTime() {
Calendar todayStart = Calendar.getInstance();
todayStart.set(Calendar.HOUR_OF_DAY, 0);
todayStart.set(Calendar.MINUTE, 0);
todayStart.set(Calendar.SECOND, 0);
todayStart.set(Calendar.MILLISECOND, 0);
return todayStart.getTimeInMillis();
}
/**
* 获取今天结束时间
*/
private static Long getEndTime() {
Calendar todayEnd = Calendar.getInstance();
todayEnd.set(Calendar.HOUR, 23);
todayEnd.set(Calendar.MINUTE, 59);
todayEnd.set(Calendar.SECOND, 59);
todayEnd.set(Calendar.MILLISECOND, 999);
return todayEnd.getTime().getTime();
}
/**
* 获取当月开始时间
*/
public static Long getMonthStartTime() {
Long currentTime = System.currentTimeMillis();
String timeZone = "GMT+8:00";
Calendar calendar = Calendar.getInstance();// 获取当前日期
calendar.setTimeZone(TimeZone.getTimeZone(timeZone));
calendar.setTimeInMillis(currentTime);
calendar.add(Calendar.YEAR, 0);
calendar.add(Calendar.MONTH, 0);
calendar.set(Calendar.DAY_OF_MONTH, 1);// 设置为1号,当前日期既为本月第一天
calendar.set(Calendar.HOUR_OF_DAY, 0);
calendar.set(Calendar.MINUTE, 0);
calendar.set(Calendar.SECOND, 0);
calendar.set(Calendar.MILLISECOND, 0);
return calendar.getTimeInMillis();
}
/**
* 获取当月的结束时间戳
*/
public static Long getMonthEndTime() {
Long currentTime = System.currentTimeMillis();
String timeZone = "GMT+8:00";
Calendar calendar = Calendar.getInstance();// 获取当前日期
calendar.setTimeZone(TimeZone.getTimeZone(timeZone));
calendar.setTimeInMillis(currentTime);
calendar.add(Calendar.YEAR, 0);
calendar.add(Calendar.MONTH, 0);
calendar.set(Calendar.DAY_OF_MONTH, calendar.getActualMaximum(Calendar.DAY_OF_MONTH));// 获取当前月最后一天
calendar.set(Calendar.HOUR_OF_DAY, 23);
calendar.set(Calendar.MINUTE, 59);
calendar.set(Calendar.SECOND, 59);
calendar.set(Calendar.MILLISECOND, 999);
return calendar.getTimeInMillis();
}
public static Long getLastMonthStartTime() throws Exception {
Long currentTime = System.currentTimeMillis();
String timeZone = "GMT+8:00";
Calendar calendar = Calendar.getInstance();// 获取当前日期
calendar.setTimeZone(TimeZone.getTimeZone(timeZone));
calendar.setTimeInMillis(currentTime);
calendar.add(Calendar.YEAR, 0);
calendar.add(Calendar.MONTH, -1);
calendar.set(Calendar.DAY_OF_MONTH, 1);// 设置为1号,当前日期既为本月第一天
calendar.set(Calendar.HOUR_OF_DAY, 0);
calendar.set(Calendar.MINUTE, 0);
calendar.set(Calendar.SECOND, 0);
calendar.set(Calendar.MILLISECOND, 0);
return calendar.getTimeInMillis();
}
public static Long getLastMonthEndTime() {
Long currentTime = System.currentTimeMillis();
String timeZone = "GMT+8:00";
Calendar calendar = Calendar.getInstance();// 获取当前日期
calendar.setTimeZone(TimeZone.getTimeZone(timeZone));
calendar.setTimeInMillis(currentTime);
calendar.add(Calendar.YEAR, 0);
calendar.add(Calendar.MONTH, -1);
calendar.set(Calendar.DAY_OF_MONTH, calendar.getActualMaximum(Calendar.DAY_OF_MONTH));// 获取当前月最后一天
calendar.set(Calendar.HOUR_OF_DAY, 23);
calendar.set(Calendar.MINUTE, 59);
calendar.set(Calendar.SECOND, 59);
calendar.set(Calendar.MILLISECOND, 999);
return calendar.getTimeInMillis();
}
public static Long getBeginDayOfYesterday() {
Calendar cal = new GregorianCalendar();
cal.set(Calendar.HOUR_OF_DAY, 0);
cal.set(Calendar.MINUTE, 0);
cal.set(Calendar.SECOND, 0);
cal.set(Calendar.MILLISECOND, 0);
cal.add(Calendar.DAY_OF_MONTH, -1);
return cal.getTimeInMillis();
}
public static Long getEndDayOfYesterDay() {
Calendar cal = new GregorianCalendar();
cal.set(Calendar.HOUR_OF_DAY, 23);
cal.set(Calendar.MINUTE, 59);
cal.set(Calendar.SECOND, 59);
cal.add(Calendar.DAY_OF_MONTH, -1);
return cal.getTimeInMillis();
}
//获取今年是哪一年
public static Integer getNowYear() {
Date date = new Date();
GregorianCalendar gc = (GregorianCalendar) Calendar.getInstance();
gc.setTime(date);
return Integer.valueOf(gc.get(1));
}
public static Map getThisYearTime() throws Exception {
Long startTime = getBeginDayOfYear();
Long endTime = getEndDayOfYear();
DateTimeFormatter ftf = DateTimeFormatter.ofPattern("yyyy-MM-dd");
String startTimeStr = ftf.format(LocalDateTime.ofInstant(Instant.ofEpochMilli(startTime), ZoneId.systemDefault()));
String endTimeStr = ftf.format(LocalDateTime.ofInstant(Instant.ofEpochMilli(endTime), ZoneId.systemDefault()));
Map map = new HashMap();
map.put("startDate", startTimeStr);
map.put("endDate", endTimeStr);
return map;
}
//获取本年的开始时间
public static Long getBeginDayOfYear() {
Calendar cal = Calendar.getInstance();
cal.set(Calendar.YEAR, getNowYear());
// cal.set
cal.set(Calendar.MONTH, Calendar.JANUARY);
cal.set(Calendar.DATE, 1);
return getDayStartTime(cal.getTime());
}
//获取本年的结束时间
public static Long 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());
}
//获取某个日期的开始时间
public static Long 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.getTimeInMillis();
}
//获取某个日期的结束时间
public static Long 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 calendar.getTimeInMillis();
}
public static Date getCurrentYearStartTime() {
Calendar cal = Calendar.getInstance();
cal.set(cal.get(Calendar.YEAR), cal.get(Calendar.MONDAY), cal.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
cal.set(Calendar.DAY_OF_MONTH, cal.getActualMinimum(Calendar.YEAR));
return cal.getTime();
}
public static Date getCurrentYearEndTime() {
Calendar cal = Calendar.getInstance();
cal.setTime(getCurrentYearStartTime());
cal.add(Calendar.YEAR, 1);
return cal.getTime();
}
public static LocalDateTime getBeginDayOfYear(String date) {
LocalDate today;
if (null==date){
today = LocalDate.now();
}else {
DateTimeFormatter fmt = DateTimeFormatter.ofPattern("yyyy-MM-dd");
today=LocalDate.parse(date, fmt);
}
today = LocalDate.of(today.getYear(), Month.JANUARY, 1);
return today.atTime(00,00,01);
}
public static LocalDateTime getEndDayOfYear(String date) {
LocalDate today;
if (null==date){
today = LocalDate.now();
}else {
DateTimeFormatter fmt = DateTimeFormatter.ofPattern("yyyy-MM-dd");
today=LocalDate.parse(date, fmt);
}
today = LocalDate.of(today.getYear(), Month.DECEMBER, Month.DECEMBER.length(today.isLeapYear()));
return today.atTime(23,59,59);
}
public static Long getBeginDayOfYear(int year) {
Calendar cal = Calendar.getInstance();
cal.set(Calendar.YEAR, year);
// cal.set
cal.set(Calendar.MONTH, Calendar.JANUARY);
cal.set(Calendar.DATE, 1);
return getDayStartTime(cal.getTime());
}
//获取本年的结束时间
public static Long getEndDayOfYear(int 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());
}
public static void main(String[] args) throws Exception {
Map todayTime = getTodayTime();
System.out.println("今天：" + todayTime.toString());
Map yesterdayTime = getYesterdayTime();
System.out.println("昨天：" + yesterdayTime.toString());
Map monthTime = getMonthTime();
System.out.println("当月：" + monthTime.toString());
Map lastMonthTime = getLastMonthTime();
System.out.println("上个月：" + lastMonthTime.toString());
LocalDateTime nowstartTimeStr = LocalDateTime.ofEpochSecond(DateUtil.getBeginDayOfYear()/1000, 0, ZoneOffset.ofHours(8));
LocalDateTime nowendTimeStr = LocalDateTime.ofEpochSecond(DateUtil.getEndDayOfYear()/1000, 0, ZoneOffset.ofHours(8));
System.out.println("当年的开始时间：" + nowstartTimeStr);
System.out.println("当入年的结束时间：" + nowendTimeStr);
LocalDateTime nowMonthStartTime = LocalDateTime.ofEpochSecond(DateUtil.getMonthStartTime()/1000, 0, ZoneOffset.ofHours(8));
LocalDateTime nowMonthEndTime = LocalDateTime.ofEpochSecond(DateUtil.getMonthEndTime()/1000, 0, ZoneOffset.ofHours(8));
System.out.println("当月的开始时间：" + nowMonthStartTime);
System.out.println("当月的结束时间：" + nowMonthStartTime);
LocalDateTime startTimeStr = LocalDateTime.ofEpochSecond(DateUtil.getBeginDayOfYear(2022)/1000, 0, ZoneOffset.ofHours(8));
LocalDateTime endTimeStr = LocalDateTime.ofEpochSecond(DateUtil.getEndDayOfYear(2022)/1000, 0, ZoneOffset.ofHours(8));
System.out.println("传入年的开始时间：" + startTimeStr);
System.out.println("传入年的结束时间：" + endTimeStr);
}
}
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