DateUtils (devtools-lang 2.0.5 API)

java.lang.Object
- com.github.paganini2008.devtools.time.DateUtils

```
public abstract class DateUtils
extends Object
```
DateUtils

从以下版本开始:

2.0.1

作者:

Fred Feng

嵌套类概要

嵌套类
限定符和类型	类和说明
`(专用程序包) static class`	`DateUtils.DateIterator` DateIterator
`(专用程序包) static class`	`DateUtils.ReverseDateIterator` ReverseDateIterator

字段概要

字段
限定符和类型	字段和说明
`static String`	`DEFAULT_DATE_PATTERN`
`private static LruMap<String,SimpleDateFormat>`	`dfCache`
`static Date[]`	`EMPTY_ARRAY`
`static int`	`MAX_YEAR`
`static int`	`MIN_YEAR`

构造器概要

构造器
构造器和说明

DateUtils()

构造器
构造器和说明
`DateUtils()`

方法概要

所有方法静态方法具体方法
限定符和类型	方法和说明
`static Date`	`addDayOfMonth(Date date, int amount)`
`static Date`	`addDayOfMonth(int amount)`
`static Date`	`addDayOfWeek(Date date, int amount)`
`static Date`	`addDayOfWeek(int amount)`
`static Date`	`addDayOfYear(Date date, int amount)`
`static Date`	`addDayOfYear(int amount)`
`static Date`	`addField(Date date, int calendarField, int amount)`
`static Date`	`addHourOfDay(Date date, int amount)`
`static Date`	`addHourOfDay(int amount)`
`static Date`	`addMinutes(Date date, int amount)`
`static Date`	`addMinutes(int amount)`
`static Date`	`addMonths(Date date, int amount)`
`static Date`	`addMonths(int amount)`
`static Date`	`addSeconds(Date date, int amount)`
`static Date`	`addSeconds(int amount)`
`static Date`	`addWeekOfMonth(Date date, int amount)`
`static Date`	`addWeekOfMonth(int amount)`
`static Date`	`addWeekOfYear(Date date, int amount)`
`static Date`	`addWeekOfYear(int amount)`
`static Date`	`addYears(Date date, int amount)`
`static Date`	`addYears(int amount)`
`static long`	`converToSecond(long interval, TimeUnit timeUnit)`
`static long`	`convertToMillis(long interval, TimeUnit timeUnit)`
`static long`	`convertToNanos(long interval, TimeUnit timeUnit)`
`private static String`	`doFormat(Date date, DateFormat df, String defaultValue)`
`private static Date`	`doParse(String str, DateFormat df, Date defaultValue)`
`static String`	`format(Date date)`
`static String`	`format(Date date, DateFormat df)`
`static String`	`format(Date date, DateFormat df, String defaultValue)`
`static String`	`format(Date date, String datePattern)`
`static String`	`format(Date date, String datePattern, String defaultValue)`
`static String`	`format(Long ms)`
`static String`	`format(Long ms, DateFormat df)`
`static String`	`format(Long ms, DateFormat df, String defaultValue)`
`static String`	`format(Long ms, String datePattern)`
`static String`	`format(Long ms, String datePattern, String defaultValue)`
`static String[]`	`formatMany(Date[] dates)`
`static String[]`	`formatMany(Date[] dates, DateFormat df)`
`static String[]`	`formatMany(Date[] dates, DateFormat df, String defaultValue)`
`static String[]`	`formatMany(Date[] dates, String datePattern)`
`static String[]`	`formatMany(Date[] dates, String datePattern, String defaultValue)`
`private static DateFormat`	`getDateFormatter(String datePattern)`
`static int`	`getDayOfMonth()`
`static int`	`getDayOfMonth(Date date)`
`static int`	`getDayOfWeek()`
`static int`	`getDayOfWeek(Date date)`
`static int`	`getDayOfYear()`
`static int`	`getDayOfYear(Date date)`
`static int`	`getField(Date date, int calendarField)`
`static int`	`getHourOfDay()`
`static int`	`getHourOfDay(Date date)`
`static int`	`getLastDay(Date date, int calendarField)`
`static int`	`getLastDayOfMonth(Date date)`
`static int`	`getLastDayOfYear(Date date)`
`static int`	`getLastWeekOfYear(Date date)`
`static int`	`getMinute()`
`static int`	`getMinute(Date date)`
`static int`	`getMonth()`
`static int`	`getMonth(Date date)`
`static int`	`getSecond()`
`static int`	`getSecond(Date date)`
`static Long`	`getTimeInMillis(Date date)`
`static Long[]`	`getTimeInMillis(Date[] dates)`
`static Long[]`	`getTimeInMillis(Date[] dates, Long defaultValue)`
`static Long`	`getTimeInMillis(Date date, Long defaultValue)`
`static Long`	`getTimeInMillis(java.time.Instant instant)`
`static Long`	`getTimeInMillis(java.time.Instant instant, Long defaultValue)`
`static int`	`getWeekOfMonth()`
`static int`	`getWeekOfMonth(Date date)`
`static int`	`getYear()`
`static int`	`getYear(Date date)`
`static void`	`main(String[] args)`
`static Date`	`of(int year, int month, int dayOfMonth)`
`static Date`	`of(int year, int month, int dayOfMonth, int hourOfDay, int minute, int second)`
`static Date`	`parse(String str, String datePattern)`
`static Date`	`parse(String str, String[] datePatterns)`
`static Date`	`parse(String str, String[] datePatterns, Date defaultValue)`
`static Date`	`parse(String str, String datePattern, Date defaultValue)`
`static Date[]`	`parseMany(String[] strings, String[] datePatterns)`
`static Date[]`	`parseMany(String[] strings, String[] datePatterns, Date defaultValue)`
`static <R> Map<Date,R>`	`populate(Date from, Date to, int interval, int calendarField, java.util.function.Function<Calendar,R> valueHandler)`
`static <T,R> Map<T,R>`	`populate(Date from, Date to, int interval, int calendarField, java.util.function.Function<Calendar,T> keyHandler, java.util.function.Function<Calendar,R> valueHandler)`
`static <R> Map<Date,R>`	`populate(Date from, int days, int interval, int calendarField, java.util.function.Function<Calendar,R> valueHandler)`
`static <T,R> Map<T,R>`	`populate(Date from, int days, int interval, int calendarField, java.util.function.Function<Calendar,T> keyHandler, java.util.function.Function<Calendar,R> valueHandler)`
`static String`	`reformat(String str, String srcFormat, String destFormat)`
`static String`	`reformat(String str, String srcFormat, String destFormat, String defaultValue)`
`static Date`	`setAM(Date date, int hour, int minute, int second)`
`static Date`	`setDayOfMonth(Date date, int amount)`
`static Date`	`setDayOfMonth(int amount)`
`static Date`	`setDayOfWeek(Date date, int amount)`
`static Date`	`setDayOfWeek(int amount)`
`static Date`	`setDayOfYear(Date date, int amount)`
`static Date`	`setDayOfYear(int amount)`
`private static Date`	`setField(Date date, int calendarField, int amount)`
`static Date`	`setMonth(Date date, int amount)`
`static Date`	`setMonth(int amount)`
`static Date`	`setPM(Date date, int hour, int minute, int second)`
`static Date`	`setTime(Date date, Date time)`
`static Date`	`setTime(Date date, int hourOfDay, int minute, int second)`
`static Date`	`setTime(int hourOfDay, int minute, int second)`
`static Date`	`setTime(long time, int hourOfDay, int minute, int second)`
`static Date`	`setWeekOfMonth(Date date, int amount)`
`static Date`	`setWeekOfMonth(int amount)`
`static Date`	`setWeekOfYear(Date date, int amount)`
`static Date`	`setWeekOfYear(int amount)`
`static Date`	`setYear(Date date, int amount)`
`static Date`	`setYear(int amount)`
`static Date`	`toDate(Calendar calendar)`
`static Date`	`toDate(Calendar calendar, Date defaultValue)`
`static Date`	`toDate(java.time.Instant ms)`
`static Date`	`toDate(java.time.Instant ms, Date defaultValue)`
`static Date`	`toDate(java.time.LocalDateTime localDateTime, java.time.ZoneId zoneId)`
`static Date`	`toDate(java.time.LocalDateTime localDateTime, java.time.ZoneId zoneId, Date defaultValue)`
`static Date`	`toDate(java.time.LocalDate localDate, java.time.ZoneId zoneId)`
`static Date`	`toDate(java.time.LocalDate localDate, java.time.ZoneId zoneId, Date defaultValue)`
`static Date`	`toDate(Long ms)`
`static Date`	`toDate(Long ms, Date defaultValue)`
`static Date[]`	`toDateArray(Calendar[] array)`
`static Date[]`	`toDateArray(Calendar[] array, Date defaultValue)`
`static Date[]`	`toDateArray(long[] dates)`
`static Date[]`	`toDateArray(Long[] mss)`
`static Date[]`	`toDateArray(Long[] mss, Date defaultValue)`
`static Date`	`today()`
`static Iterator<Calendar>`	`toIterator(Date from, Date to, int interval, int calendarField)`
`static Iterator<Calendar>`	`toIterator(Date from, int days, int interval, int calendarField)`
`static long`	`until(Date from, Date to, TimeUnit timeUnit)`

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

MIN_YEAR
```
public static final int MIN_YEAR
```
另请参阅:

常量字段值

MAX_YEAR
```
public static final int MAX_YEAR
```
另请参阅:

常量字段值

EMPTY_ARRAY
```
public static final Date[] EMPTY_ARRAY
```

DEFAULT_DATE_PATTERN

public static final String DEFAULT_DATE_PATTERN

另请参阅:: 常量字段值

dfCache

private static final LruMap<String,SimpleDateFormat> dfCache

构造器详细资料
- DateUtils
```
public DateUtils()
```

方法详细资料

toDate
```
public static Date toDate(Long ms)
```

toDate

public static Date toDate(Long ms,
                          Date defaultValue)

toDate

public static Date toDate(java.time.Instant ms)

toDate

public static Date toDate(java.time.Instant ms,
                          Date defaultValue)

toDate

public static Date toDate(Calendar calendar)

toDate

public static Date toDate(Calendar calendar,
                          Date defaultValue)

toDate

public static Date toDate(java.time.LocalDate localDate,
                          java.time.ZoneId zoneId)

toDate

public static Date toDate(java.time.LocalDate localDate,
                          java.time.ZoneId zoneId,
                          Date defaultValue)

toDate

public static Date toDate(java.time.LocalDateTime localDateTime,
                          java.time.ZoneId zoneId)

toDate

public static Date toDate(java.time.LocalDateTime localDateTime,
                          java.time.ZoneId zoneId,
                          Date defaultValue)

toDateArray

public static Date[] toDateArray(long[] dates)

toDateArray

public static Date[] toDateArray(Long[] mss)

toDateArray

public static Date[] toDateArray(Long[] mss,
                                 Date defaultValue)

toDateArray

public static Date[] toDateArray(Calendar[] array)

toDateArray

public static Date[] toDateArray(Calendar[] array,
                                 Date defaultValue)

getTimeInMillis

public static Long getTimeInMillis(java.time.Instant instant)

getTimeInMillis

public static Long getTimeInMillis(java.time.Instant instant,
                                   Long defaultValue)

format
```
public static String format(Long ms)
```

format

public static String format(Long ms,
                            String datePattern)

format

public static String format(Long ms,
                            String datePattern,
                            String defaultValue)

format

public static String format(Long ms,
                            DateFormat df)

format

public static String format(Long ms,
                            DateFormat df,
                            String defaultValue)

format

public static String format(Date date)

format

public static String format(Date date,
                            String datePattern)

format

public static String format(Date date,
                            String datePattern,
                            String defaultValue)

format

public static String format(Date date,
                            DateFormat df)

format

public static String format(Date date,
                            DateFormat df,
                            String defaultValue)

formatMany

public static String[] formatMany(Date[] dates)

formatMany

public static String[] formatMany(Date[] dates,
                                  DateFormat df)

formatMany

public static String[] formatMany(Date[] dates,
                                  DateFormat df,
                                  String defaultValue)

formatMany

public static String[] formatMany(Date[] dates,
                                  String datePattern)

formatMany

public static String[] formatMany(Date[] dates,
                                  String datePattern,
                                  String defaultValue)

reformat

public static String reformat(String str,
                              String srcFormat,
                              String destFormat)

reformat

public static String reformat(String str,
                              String srcFormat,
                              String destFormat,
                              String defaultValue)

parse

public static Date parse(String str,
                         String datePattern)

parse

public static Date parse(String str,
                         String datePattern,
                         Date defaultValue)

parse

public static Date parse(String str,
                         String[] datePatterns)

parse

public static Date parse(String str,
                         String[] datePatterns,
                         Date defaultValue)

doFormat

private static String doFormat(Date date,
                               DateFormat df,
                               String defaultValue)

doParse

private static Date doParse(String str,
                            DateFormat df,
                            Date defaultValue)

addYears

public static Date addYears(int amount)

addYears

public static Date addYears(Date date,
                            int amount)

addMonths

public static Date addMonths(int amount)

addMonths

public static Date addMonths(Date date,
                             int amount)

addWeekOfYear

public static Date addWeekOfYear(int amount)

addWeekOfYear

public static Date addWeekOfYear(Date date,
                                 int amount)

addWeekOfMonth

public static Date addWeekOfMonth(int amount)

addWeekOfMonth

public static Date addWeekOfMonth(Date date,
                                  int amount)

addDayOfYear

public static Date addDayOfYear(int amount)

addDayOfYear

public static Date addDayOfYear(Date date,
                                int amount)

addDayOfMonth

public static Date addDayOfMonth(int amount)

addDayOfMonth

public static Date addDayOfMonth(Date date,
                                 int amount)

addDayOfWeek

public static Date addDayOfWeek(int amount)

addDayOfWeek

public static Date addDayOfWeek(Date date,
                                int amount)

addHourOfDay

public static Date addHourOfDay(int amount)

addHourOfDay

public static Date addHourOfDay(Date date,
                                int amount)

addMinutes

public static Date addMinutes(int amount)

addMinutes

public static Date addMinutes(Date date,
                              int amount)

addSeconds

public static Date addSeconds(int amount)

addSeconds

public static Date addSeconds(Date date,
                              int amount)

addField

public static Date addField(Date date,
                            int calendarField,
                            int amount)

setYear

public static Date setYear(int amount)

setYear

public static Date setYear(Date date,
                           int amount)

setMonth

public static Date setMonth(int amount)

setMonth

public static Date setMonth(Date date,
                            int amount)

setWeekOfYear

public static Date setWeekOfYear(int amount)

setWeekOfYear

public static Date setWeekOfYear(Date date,
                                 int amount)

setWeekOfMonth

public static Date setWeekOfMonth(int amount)

setWeekOfMonth

public static Date setWeekOfMonth(Date date,
                                  int amount)

setDayOfWeek

public static Date setDayOfWeek(int amount)

setDayOfWeek

public static Date setDayOfWeek(Date date,
                                int amount)

setDayOfMonth

public static Date setDayOfMonth(int amount)

setDayOfMonth

public static Date setDayOfMonth(Date date,
                                 int amount)

setDayOfYear

public static Date setDayOfYear(int amount)

setDayOfYear

public static Date setDayOfYear(Date date,
                                int amount)

setField

private static Date setField(Date date,
                             int calendarField,
                             int amount)

today
```
public static Date today()
```

setAM

public static Date setAM(Date date,
                         int hour,
                         int minute,
                         int second)

setPM

public static Date setPM(Date date,
                         int hour,
                         int minute,
                         int second)

getTimeInMillis

public static Long getTimeInMillis(Date date)

getTimeInMillis

public static Long getTimeInMillis(Date date,
                                   Long defaultValue)

getTimeInMillis

public static Long[] getTimeInMillis(Date[] dates)

getTimeInMillis

public static Long[] getTimeInMillis(Date[] dates,
                                     Long defaultValue)

setTime

public static Date setTime(long time,
                           int hourOfDay,
                           int minute,
                           int second)

setTime

public static Date setTime(int hourOfDay,
                           int minute,
                           int second)

setTime

public static Date setTime(Date date,
                           int hourOfDay,
                           int minute,
                           int second)

setTime

public static Date setTime(Date date,
                           Date time)

parseMany

public static Date[] parseMany(String[] strings,
                               String[] datePatterns)

parseMany

public static Date[] parseMany(String[] strings,
                               String[] datePatterns,
                               Date defaultValue)

getYear
```
public static int getYear()
```

getYear
```
public static int getYear(Date date)
```

getMonth
```
public static int getMonth()
```

getMonth

public static int getMonth(Date date)

getDayOfMonth
```
public static int getDayOfMonth()
```

getDayOfMonth

public static int getDayOfMonth(Date date)

getDayOfWeek
```
public static int getDayOfWeek()
```

getDayOfWeek

public static int getDayOfWeek(Date date)

getDayOfYear
```
public static int getDayOfYear()
```

getDayOfYear

public static int getDayOfYear(Date date)

getWeekOfMonth
```
public static int getWeekOfMonth()
```

getWeekOfMonth

public static int getWeekOfMonth(Date date)

getHourOfDay
```
public static int getHourOfDay()
```

getHourOfDay

public static int getHourOfDay(Date date)

getMinute
```
public static int getMinute()
```

getMinute

public static int getMinute(Date date)

getSecond
```
public static int getSecond()
```

getSecond

public static int getSecond(Date date)

getField

public static int getField(Date date,
                           int calendarField)

getLastDayOfYear

public static int getLastDayOfYear(Date date)

getLastDayOfMonth

public static int getLastDayOfMonth(Date date)

getLastWeekOfYear

public static int getLastWeekOfYear(Date date)

getLastDay

public static int getLastDay(Date date,
                             int calendarField)

of

public static Date of(int year,
                      int month,
                      int dayOfMonth)

of

public static Date of(int year,
                      int month,
                      int dayOfMonth,
                      int hourOfDay,
                      int minute,
                      int second)

converToSecond

public static long converToSecond(long interval,
                                  TimeUnit timeUnit)

convertToMillis

public static long convertToMillis(long interval,
                                   TimeUnit timeUnit)

convertToNanos

public static long convertToNanos(long interval,
                                  TimeUnit timeUnit)

populate

public static <R> Map<Date,R> populate(Date from,
                                       int days,
                                       int interval,
                                       int calendarField,
                                       java.util.function.Function<Calendar,R> valueHandler)

populate

public static <R> Map<Date,R> populate(Date from,
                                       Date to,
                                       int interval,
                                       int calendarField,
                                       java.util.function.Function<Calendar,R> valueHandler)

populate

public static <T,R> Map<T,R> populate(Date from,
                                      int days,
                                      int interval,
                                      int calendarField,
                                      java.util.function.Function<Calendar,T> keyHandler,
                                      java.util.function.Function<Calendar,R> valueHandler)

populate

public static <T,R> Map<T,R> populate(Date from,
                                      Date to,
                                      int interval,
                                      int calendarField,
                                      java.util.function.Function<Calendar,T> keyHandler,
                                      java.util.function.Function<Calendar,R> valueHandler)

toIterator

public static Iterator<Calendar> toIterator(Date from,
                                            int days,
                                            int interval,
                                            int calendarField)

toIterator

public static Iterator<Calendar> toIterator(Date from,
                                            Date to,
                                            int interval,
                                            int calendarField)

until

public static long until(Date from,
                         Date to,
                         TimeUnit timeUnit)

getDateFormatter

private static DateFormat getDateFormatter(String datePattern)

main

public static void main(String[] args)
                 throws Exception

抛出:: Exception

类 DateUtils

嵌套类概要

字段概要

构造器概要

方法概要

从类继承的方法 java.lang.Object

字段详细资料

MIN_YEAR

MAX_YEAR

EMPTY_ARRAY

DEFAULT_DATE_PATTERN

dfCache

构造器详细资料

DateUtils

方法详细资料

toDate

toDate

toDate

toDate

toDate

toDate

toDate

toDate

toDate

toDate

toDateArray

toDateArray

toDateArray

toDateArray

toDateArray

getTimeInMillis

getTimeInMillis

format

format

format

format

format

format

format

format

format

format

formatMany

formatMany

formatMany

formatMany

formatMany

reformat

reformat

parse

parse

parse

parse

doFormat

doParse

addYears

addYears

addMonths

addMonths

addWeekOfYear

addWeekOfYear

addWeekOfMonth

addWeekOfMonth

addDayOfYear

addDayOfYear

addDayOfMonth

addDayOfMonth

addDayOfWeek

addDayOfWeek

addHourOfDay

addHourOfDay

addMinutes

addMinutes

addSeconds

addSeconds

addField

setYear

setYear

setMonth

setMonth