Javatime 简明教程

java.time.OffsetDateTime Class

Introduction

java.time.OffsetDateTime 类表示 ISO-8601 日历系统中从 UTC/格林尼治时间偏移的时间,例如 2007-12-03T10:15:30+01:00。

The java.time.OffsetDateTime class represents a date-time with an offset from UTC/Greenwich in the ISO-8601 calendar system, such as 2007-12-03T10:15:30+01:00.

Class declaration

以下是 java.time.OffsetDateTime 类的声明 −

Following is the declaration for java.time.OffsetDateTime class −

public final class OffsetDateTime
   extends Object
      implements Temporal, TemporalAdjuster, Comparable<OffsetDateTime>, Serializable

Field

以下为 java.time.OffsetDateTime 类的字段 −

Following are the fields for java.time.OffsetDateTime class −

  1. static OffsetDateTime MAX − The maximum supported OffsetDateTime, '+999999999-12-31T23:59:59.999999999+18:00'.

  2. static OffsetDateTime MIN − The minimum supported OffsetDateTime, '-999999999-01-01T00:00:00-18:00'.

Class methods

Sr.No.

Method & Description

1

Temporal adjustInto(Temporal temporal)Adjusts the specified temporal object to have the same date and time as this object.

2

ZonedDateTime atZoneSameInstant(ZoneId zone)Combines this date-time with a time-zone to create a ZonedDateTime ensuring that the result has the same instant.

3

ZonedDateTime atZoneSimilarLocal(ZoneId zone)Combines this date-time with a time-zone to create a ZonedDateTime trying to keep the same local date and time.

4

int compareTo(OffsetDateTime other)Compares this date-time to another date-time.

5

boolean equals(Object obj)Checks if this date-time is equal to another date-time.

6

String format(DateTimeFormatter formatter)Formats this date-time using the specified formatter.

7

static OffsetDateTime from(TemporalAccessor temporal)Obtains an instance of OffsetDateTime from a temporal object.

8

int get(TemporalField field)Gets the value of the specified field from this date-time as an int.

9

int getDayOfMonth()Gets the day-of-month field.

10

DayOfWeek getDayOfWeek()Gets the day-of-week field, which is an enum DayOfWeek.

11

int getDayOfYear()Gets the day-of-year field.

12

int getHour()Gets the hour-of-day field.

13

long getLong(TemporalField field)Gets the value of the specified field from this date-time as a long.

14

Month getMinute()Gets the minute-of-hour field.

15

Month getMonth()Gets the month-of-year field using the Month enum.

16

int getMonthValue()Gets the month-of-year field from 1 to 12.

17

int getNano()Gets the nano-of-second field.

18

ZoneOffset getOffset()Gets the zone offset, such as '+01:00'.

19

int getSecond()Gets the second-of-minute field.

20

int getYear()Gets the year field.

21

int hashCode()A hash code for this date-time.

22

boolean isAfter(OffsetDateTime other)Checks if this date-time is after the specified date-time.

23

boolean isBefore(OffsetDateTime other)Checks if this date-time is before the specified date-time.

24

boolean isEqual(OffsetDateTime other)Checks if this date-time is equal to the specified date-time.

25

boolean isSupported(TemporalField field)Checks if the specified field is supported.

26

boolean isSupported(TemporalUnit unit)Checks if the specified unit is supported.

27

OffsetDateTime minus(long amountToSubtract, TemporalUnit unit)Returns a copy of this date-time with the specified amount subtracted.

28

OffsetDateTime minus(TemporalAmount amountToSubtract)Returns a copy of this date-time with the specified amount subtracted.

29

OffsetDateTime minusDays(long daysToSubtract) Returns a copy of this OffsetDateTime with the specified number of days subtracted.

30

OffsetDateTime minusHours(long hoursToSubtract)Returns a copy of this OffsetDateTime with the specified number of hours subtracted.

31

OffsetDateTime minusMinutes(long minutesToSubtract)Returns a copy of this OffsetDateTime with the specified number of minutes subtracted.

32

OffsetDateTime minusMonths(long monthsToSubtract)Returns a copy of this OffsetDateTime with the specified number of months subtracted.

33

OffsetDateTime minusNanos(long nanos)Returns a copy of this OffsetDateTime with the specified number of nanoseconds subtracted.

34

OffsetDateTime minusSeconds(long seconds)Returns a copy of this OffsetDateTime with the specified number of seconds subtracted.

35

OffsetDateTime minusWeeks(long weeksToSubtract)Returns a copy of this OffsetDateTime with the specified number of weeks subtracted.

36

OffsetDateTime minusYears(long yearsToSubtract)Returns a copy of this OffsetDateTime with the specified number of years subtracted.

37

static OffsetDateTime now()Obtains the current date-time from the system clock in the default time-zone.

38

static OffsetDateTime now(Clock clock)Obtains the current date-time from the specified clock.

39

static OffsetDateTime now(ZoneId zone)Obtains the current date-time from the system clock in the specified time-zone.

40

static OffsetDateTime of(int year, int month, int dayOfMonth, int hour, int minute, int second, int nanoOfSecond, ZoneOffset offset)Obtains an instance of OffsetDateTime from a year, month, day, hour, minute, second, nanosecond and offset.

41

static OffsetDateTime of(LocalDate date, LocalTime time, ZoneOffset offset)Obtains an instance of OffsetDateTime from a date, time and offset.

42

static OffsetDateTime of(LocalDateTime dateTime, ZoneOffset offset)Obtains an instance of OffsetDateTime from a date-time and offset.

43

static OffsetDateTime ofInstant(Instant instant, ZoneId zone)Obtains an instance of OffsetDateTime from an Instant and zone ID.

44

static OffsetDateTime parse(CharSequence text)Obtains an instance of OffsetDateTime from a text string such as 2007-12-03T10:15:30.

45

static OffsetDateTime parse(CharSequence text, DateTimeFormatter formatter)Obtains an instance of OffsetDateTime from a text string using a specific formatter.

46

OffsetDateTime plus(long amountToAdd, TemporalUnit unit)Returns a copy of this date-time with the specified amount added.

47

OffsetDateTime plus(TemporalAmount amountToAdd)Returns a copy of this date-time with the specified amount added.

48

OffsetDateTime plusDays(long daysToAdd)Returns a copy of this OffsetDateTime with the specified number of days added.

49

OffsetDateTime plusHours(long hoursToAdd)Returns a copy of this OffsetDateTime with the specified number of hours added.

50

OffsetDateTime plusMinutes(long minutesToAdd)Returns a copy of this OffsetDateTime with the specified number of minutes added.

51

OffsetDateTime plusMonths(long monthsToAdd)Returns a copy of this OffsetDateTime with the specified number of months added.

52

OffsetDateTime plusNanos(long nanos)Returns a copy of this OffsetDateTime with the specified number of nanoseconds added.

53

OffsetDateTime plusSeconds(long seconds)Returns a copy of this OffsetDateTime with the specified number of seconds added.

54

OffsetDateTime plusWeeks(long weeksToAdd)Returns a copy of this OffsetDateTime with the specified number of weeks added.

55

OffsetDateTime plusYears(long yearsToAdd)Returns a copy of this OffsetDateTime with the specified number of years added.

56

<R> R query(TemporalQuery<R> query)Queries this date-time using the specified query.

57

ValueRange range(TemporalField field)Gets the range of valid values for the specified field.

58

static Comparator<OffsetDateTime> timeLineOrder()Gets a comparator that compares two OffsetDateTime instances based solely on the instant.

59

long toEpochSecond()Converts this date-time to the number of seconds from the epoch of 1970-01-01T00:00:00Z.

60

Instant toInstant()Converts this date-time to an Instant.

61

LocalDate toLocalDate()Gets the LocalDate part of this date-time.

62

LocalDateTime toLocalDateTime()Gets the LocalDateTime part of this date-time.

63

LocalTime toLocalTime()Gets the LocalTime part of this date-time.

64

OffsetTime toOffsetTime()Gets the OffsetTime part of this date-time.

65

String toString()Outputs this date as a String, such as 2007-12-03T10:15:30.

66

ZonedDateTime toZonedDateTime()Converts this date-time to a ZonedDateTime using the offset as the zone ID.

67

OffsetDateTime truncatedTo(TemporalUnit unit)Returns a copy of this OffsetDateTime with the time truncated.

68

long until(Temporal endExclusive, TemporalUnit unit)Calculates the amount of time until another date-time in terms of the specified unit.

69

OffsetDateTime with(TemporalAdjuster adjuster)Returns an adjusted copy of this date-time.

70

OffsetDateTime with(TemporalField field, long newValue)Returns a copy of this date-time with the specified field set to a new value.

71

OffsetDateTime withDayOfMonth(int dayOfMonth)Returns a copy of this OffsetDateTime with the day-of-month altered.

72

OffsetDateTime withDayOfYear(int dayOfYear)Returns a copy of this OffsetDateTime with the day-of-year altered.

73

OffsetDateTime withHour(int hour)Returns a copy of this OffsetDateTime with the hour-of-day altered.

74

OffsetDateTime withMinute(int minute)Returns a copy of this OffsetDateTime with the minute-of-hour altered.

75

OffsetDateTime withMonth(int month)Returns a copy of this OffsetDateTime with the month-of-year altered.

76

OffsetDateTime withNano(int nanoOfSecond)Returns a copy of this OffsetDateTime with the nano-of-second altered.

77

OffsetDateTime withOffsetSameInstant(ZoneOffset offset)Returns a copy of this OffsetDateTime with the specified offset ensuring that the result is at the same instant.

78

OffsetDateTime withOffsetSameLocal(ZoneOffset offset)Returns a copy of this OffsetDateTime with the specified offset ensuring that the result has the same local date-time.

79

OffsetDateTime withSecond(int second)Returns a copy of this OffsetDateTime with the second-of-minute altered.

80

OffsetDateTime withYear(int year)Returns a copy of this OffsetDateTime with the year altered.

Methods inherited

此类从以下类中继承方法:

This class inherits methods from the following classes −

  1. Java.lang.Object