public final class DateUtils extends Object
| 限定符和类型 | 字段和说明 |
|---|---|
static long |
MILLIS_PER_DAY
Number of milliseconds in a standard day.
|
static long |
MILLIS_PER_HOUR
Number of milliseconds in a standard hour.
|
static long |
MILLIS_PER_MINUTE
Number of milliseconds in a standard minute.
|
static long |
MILLIS_PER_SECOND
Number of milliseconds in a standard second.
|
static int |
SEMI_MONTH
This is half a month, so this represents whether a date is in the top
or bottom half of the month.
|
| 限定符和类型 | 方法和说明 |
|---|---|
static Date |
addDays(Date date,
int amount) |
static Date |
addHours(Date date,
int amount) |
static Date |
addMilliseconds(Date date,
int amount) |
static Date |
addMinutes(Date date,
int amount) |
static Date |
addMonths(Date date,
int amount) |
static Date |
addSeconds(Date date,
int amount) |
static Date |
addWeeks(Date date,
int amount) |
static Date |
addYears(Date date,
int amount) |
static Calendar |
ceiling(Calendar date,
int field) |
static Date |
ceiling(Date date,
int field) |
static String |
format(Date date,
String pattern) |
static String |
getYearWeek(Date date) |
static String |
getYearWeek(Date date,
int firstDayOfWeek,
int minimalDaysInFirstWeek) |
static boolean |
isSameDay(Calendar cal1,
Calendar cal2) |
static boolean |
isSameDay(Date date1,
Date date2) |
static boolean |
isSameInstant(Calendar cal1,
Calendar cal2) |
static boolean |
isSameInstant(Date date1,
Date date2) |
static boolean |
isSameLocalTime(Calendar cal1,
Calendar cal2) |
static Calendar |
round(Calendar date,
int field) |
static Date |
round(Date date,
int field) |
static Date |
setDays(Date date,
int amount) |
static Date |
setHours(Date date,
int amount) |
static Date |
setMilliseconds(Date date,
int amount) |
static Date |
setMinutes(Date date,
int amount) |
static Date |
setMonths(Date date,
int amount) |
static Date |
setSeconds(Date date,
int amount) |
static Date |
setYears(Date date,
int amount) |
static Calendar |
toCalendar(Date date) |
static Calendar |
toCalendar(Date date,
TimeZone tz) |
static LocalDate |
toLocalDate(Date date) |
static LocalDateTime |
toLocalDateTime(Date date) |
static Calendar |
truncate(Calendar date,
int field) |
static Date |
truncate(Date date,
int field) |
static int |
truncatedCompareTo(Calendar cal1,
Calendar cal2,
int field) |
static int |
truncatedCompareTo(Date date1,
Date date2,
int field) |
static boolean |
truncatedEquals(Calendar cal1,
Calendar cal2,
int field) |
static boolean |
truncatedEquals(Date date1,
Date date2,
int field) |
public static final long MILLIS_PER_SECOND
public static final long MILLIS_PER_MINUTE
public static final long MILLIS_PER_HOUR
public static final long MILLIS_PER_DAY
public static final int SEMI_MONTH
public static LocalDateTime toLocalDateTime(Date date)
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