com.github.azbh111.utils.java.date

类 DateUtils

java.lang.Object

com.github.azbh111.utils.java.date.DateUtils

public class DateUtils
extends java.lang.Object

基于java8 time api的封装 java8 time api所有类都是不可变得,线程安全的

字段概要

字段

限定符和类型	字段和说明
static java.util.Map<java.lang.String,java.time.format.DateTimeFormatter>	standardDateFormatters
static java.time.Clock	SYSTEM_DEFAULT_ZONE_CLOCK
static java.time.ZoneId	SYSTEM_DEFAULT_ZONE_ID
static java.time.Clock	UTC_CLOCK
static java.time.ZoneId	UTC_ZONE_ID
static int	ZERO_DAY_OF_WEEK 最开始的一天是星期几

构造器概要

构造器

构造器和说明
DateUtils()

方法概要

限定符和类型	方法和说明
static int	dayOfMonth()
static int	dayOfMonth(java.time.LocalDate ld)
static int	dayOfWeek()
static int	dayOfWeek(java.time.LocalDate ld)
static java.time.LocalDate	firstDayOfMonth()
static java.time.LocalDate	firstDayOfMonth(java.util.Date d)
static java.time.LocalDate	firstDayOfMonth(java.time.LocalDate dt)
static java.time.LocalDate	firstDayOfWeek()
static java.time.LocalDate	firstDayOfWeek(java.util.Date d)
static java.time.LocalDate	firstDayOfWeek(java.time.LocalDate dt)
static java.time.LocalDate	firstDayOfYear()
static java.time.LocalDate	firstDayOfYear(java.util.Date d)
static java.time.LocalDate	firstDayOfYear(java.time.LocalDate dt)
static java.util.List<java.time.LocalDate>	flatDate(java.time.LocalDate from, int days) 日期从from按时按天递增,包含from,总共days天
static java.time.LocalDate	from(java.util.Date date)
static java.time.LocalDate	from(java.time.temporal.TemporalAccessor temporal)
static boolean	isLeapYear()
static boolean	isLeapYear(java.time.chrono.ChronoLocalDate d)
static boolean	isLeapYear(java.util.Date d)
static boolean	isSameDay(java.util.Date d1, java.util.Date d2)
static java.time.LocalDate	lastDayOfMonth()
static java.time.LocalDate	lastDayOfMonth(java.util.Date d)
static java.time.LocalDate	lastDayOfMonth(java.time.LocalDate dt)
static java.time.LocalDate	lastDayOfWeek()
static java.time.LocalDate	lastDayOfWeek(java.util.Date d)
static java.time.LocalDate	lastDayOfWeek(java.time.LocalDate d)
static java.time.LocalDate	lastDayOfYear()
static java.time.LocalDate	lastDayOfYear(java.util.Date d)
static java.time.LocalDate	lastDayOfYear(java.time.LocalDate dt)
static int	lengthOfMoneth()
static int	lengthOfMoneth(java.time.chrono.ChronoLocalDate d)
static int	lengthOfMoneth(java.util.Date d)
static int	lengthOfYear()
static int	lengthOfYear(java.time.chrono.ChronoLocalDate d)
static int	lengthOfYear(java.util.Date d)
static int	monthOfYear()
static int	monthOfYear(java.time.LocalDate ld)
static java.time.LocalDate	now()
static java.time.LocalDate	of(int epochDay)
static java.time.LocalDate	of(int epochWeek, int dayOfWeek)
static java.time.LocalDate	parse(java.lang.String datetimeStr, java.lang.String format)
static java.util.Date	toDate(java.time.LocalDate ld)
static long	toEpochDay()
static long	toEpochDay(java.time.chrono.ChronoLocalDate d)
static long	toEpochDay(java.util.Date d)
static int	toEpochWeek()
static int	toEpochWeek(java.time.chrono.ChronoLocalDate ld)
static int	toEpochWeek(java.util.Date d)
static java.time.LocalDate	tryParse(java.lang.String str) 用常用格式尝试解析 若无法解析,抛出ParseException异常

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料

standardDateFormatters

public static final java.util.Map<java.lang.String,java.time.format.DateTimeFormatter> standardDateFormatters

ZERO_DAY_OF_WEEK

public static final int ZERO_DAY_OF_WEEK

最开始的一天是星期几

SYSTEM_DEFAULT_ZONE_CLOCK

public static final java.time.Clock SYSTEM_DEFAULT_ZONE_CLOCK

UTC_CLOCK

public static final java.time.Clock UTC_CLOCK

SYSTEM_DEFAULT_ZONE_ID

public static final java.time.ZoneId SYSTEM_DEFAULT_ZONE_ID

UTC_ZONE_ID

public static final java.time.ZoneId UTC_ZONE_ID

构造器详细资料

DateUtils

public DateUtils()

方法详细资料

from

public static java.time.LocalDate from(java.time.temporal.TemporalAccessor temporal)

参数:

temporal -

返回:

toDate

public static java.util.Date toDate(java.time.LocalDate ld)

from

public static java.time.LocalDate from(java.util.Date date)

now

public static java.time.LocalDate now()

flatDate

public static java.util.List<java.time.LocalDate> flatDate(java.time.LocalDate from,
                                                           int days)

日期从from按时按天递增,包含from,总共days天

参数:

from - 起始日期

days - 天数

返回:

firstDayOfWeek

public static java.time.LocalDate firstDayOfWeek()

firstDayOfWeek

public static java.time.LocalDate firstDayOfWeek(java.util.Date d)

firstDayOfWeek

public static java.time.LocalDate firstDayOfWeek(java.time.LocalDate dt)

lastDayOfWeek

public static java.time.LocalDate lastDayOfWeek()

lastDayOfWeek

public static java.time.LocalDate lastDayOfWeek(java.util.Date d)

lastDayOfWeek

public static java.time.LocalDate lastDayOfWeek(java.time.LocalDate d)

firstDayOfMonth

public static java.time.LocalDate firstDayOfMonth()

firstDayOfMonth

public static java.time.LocalDate firstDayOfMonth(java.util.Date d)

firstDayOfMonth

public static java.time.LocalDate firstDayOfMonth(java.time.LocalDate dt)

lastDayOfMonth

public static java.time.LocalDate lastDayOfMonth()

lastDayOfMonth

public static java.time.LocalDate lastDayOfMonth(java.util.Date d)

lastDayOfMonth

public static java.time.LocalDate lastDayOfMonth(java.time.LocalDate dt)

firstDayOfYear

public static java.time.LocalDate firstDayOfYear()

firstDayOfYear

public static java.time.LocalDate firstDayOfYear(java.util.Date d)

firstDayOfYear

public static java.time.LocalDate firstDayOfYear(java.time.LocalDate dt)

lastDayOfYear

public static java.time.LocalDate lastDayOfYear()

lastDayOfYear

public static java.time.LocalDate lastDayOfYear(java.util.Date d)

lastDayOfYear

public static java.time.LocalDate lastDayOfYear(java.time.LocalDate dt)

toEpochDay

public static long toEpochDay()

toEpochDay

public static long toEpochDay(java.util.Date d)

toEpochDay

public static long toEpochDay(java.time.chrono.ChronoLocalDate d)

of

public static java.time.LocalDate of(int epochDay)

toEpochWeek

public static int toEpochWeek()

toEpochWeek

public static int toEpochWeek(java.util.Date d)

toEpochWeek

public static int toEpochWeek(java.time.chrono.ChronoLocalDate ld)

of

public static java.time.LocalDate of(int epochWeek,
                                     int dayOfWeek)

dayOfWeek

public static int dayOfWeek()

dayOfWeek

public static int dayOfWeek(java.time.LocalDate ld)

dayOfMonth

public static int dayOfMonth()

dayOfMonth

public static int dayOfMonth(java.time.LocalDate ld)

monthOfYear

public static int monthOfYear()

monthOfYear

public static int monthOfYear(java.time.LocalDate ld)

isLeapYear

public static boolean isLeapYear()

isLeapYear

public static boolean isLeapYear(java.util.Date d)

isLeapYear

public static boolean isLeapYear(java.time.chrono.ChronoLocalDate d)

lengthOfMoneth

public static int lengthOfMoneth()

lengthOfMoneth

public static int lengthOfMoneth(java.util.Date d)

lengthOfMoneth

public static int lengthOfMoneth(java.time.chrono.ChronoLocalDate d)

lengthOfYear

public static int lengthOfYear()

lengthOfYear

public static int lengthOfYear(java.util.Date d)

lengthOfYear

public static int lengthOfYear(java.time.chrono.ChronoLocalDate d)

parse

public static java.time.LocalDate parse(java.lang.String datetimeStr,
                                        java.lang.String format)

tryParse

public static java.time.LocalDate tryParse(java.lang.String str)

用常用格式尝试解析 若无法解析,抛出ParseException异常

参数:

str -

返回:

isSameDay

public static boolean isSameDay(java.util.Date d1,
                                java.util.Date d2)