20230630 java.time.LocalDateTime

介绍

• java.time.LocalDateTime
• 类声明
• 本地日期时间

@jdk.internal.ValueBased public final class LocalDateTime implements Temporal, TemporalAdjuster, ChronoLocalDateTime<LocalDate>, Serializable

• 实现 Temporal ，支持的时间单位( TemporalUnit )有

  • NANOS
  • MICROS
  • MILLIS
  • SECONDS
  • MINUTES
  • HOURS
  • HALF_DAYS
  • DAYS
  • WEEKS
  • MONTHS
  • YEARS
  • DECADES
  • CENTURIES
  • MILLENNIA
  • ERAS

• 实现 TemporalAccessor ，支持的时间域( TemporalField )有

  • NANO_OF_SECOND
  • NANO_OF_DAY
  • MICRO_OF_SECOND
  • MICRO_OF_DAY
  • MILLI_OF_SECOND
  • MILLI_OF_DAY
  • SECOND_OF_MINUTE
  • SECOND_OF_DAY
  • MINUTE_OF_HOUR
  • MINUTE_OF_DAY
  • HOUR_OF_AMPM
  • CLOCK_HOUR_OF_AMPM
  • HOUR_OF_DAY
  • CLOCK_HOUR_OF_DAY
  • AMPM_OF_DAY
  • DAY_OF_WEEK
  • ALIGNED_DAY_OF_WEEK_IN_MONTH
  • ALIGNED_DAY_OF_WEEK_IN_YEAR
  • DAY_OF_MONTH
  • DAY_OF_YEAR
  • EPOCH_DAY
  • ALIGNED_WEEK_OF_MONTH
  • ALIGNED_WEEK_OF_YEAR
  • MONTH_OF_YEAR
  • PROLEPTIC_MONTH
  • YEAR_OF_ERA
  • YEAR
  • ERA

• 内部存储是

private final LocalDate date;
private final LocalTime time;

API

常量

• MIN : -999999999-01-01T00:00
• MAX : +999999999-12-31T23:59:59.999999999

static

• now
• of
• ofInstant
• ofEpochSecond
• from
• parse
  • 反 toString
  • 格式：2007-12-03T10:15:30

public

• truncatedTo
• toString

get

• getYear
• getMonthValue
• getMonth
• getDayOfMonth
• getDayOfYear
• getDayOfWeek
• getHour
• getMinute
• getSecond
• getNano

with

• withYear
• withMonth
• withDayOfMonth
• withDayOfYear
• withHour
• withMinute
• withSecond
• withNano

plus/minus

• plusYears
• plusMonths
• plusWeeks
• plusDays
• plusHours
• plusMinutes
• plusSeconds
• plusNanos
• minusYears
• minusMonths
• minusWeeks
• minusDays
• minusHours
• minusMinutes
• minusSeconds
• minusNanos

at

• atOffset