程序包 ohos.global.i18n.text

类 DateFormatUtil

java.lang.Object

ohos.global.i18n.text.DateFormatUtil

public class DateFormatUtil
extends Object

A utility class for date and time formatting

从以下版本开始:

4

构造器概要

构造器

构造器	说明
DateFormatUtil()

方法概要

限定符和类型	方法	说明
static String	format(String skeleton, String languageTag, String timeZone, long startTime, long endTime)	Obtains the text description of a datetime interval between two calendar times.
static String	getBestPattern(String skeleton, Locale locale)	Obtains the most suitable format in the region specified by java.util.Locale based on a given string representing the date and time format.
static String[]	getLongStandAloneWeekdayNames(Locale locale)	Obtains the full names of all standalone weekdays for the locale specified by Locale.
static char[]	getOrder(String pattern)	Obtains the sequence of the year, month, and day fields in a date pattern.
static String[]	getShortMonthNames(Locale locale)	Obtains the short names of all non-standalone months for the locale specified by Locale.
static String[]	getShortStandAloneMonthNames(Locale locale)	Obtains the short names of all standalone months for the locale specified by Locale.
static String[]	getShortStandAloneWeekdayNames(Locale locale)	Obtains the short names of all standalone weekdays for the locale specified by Locale.
static String	getTimeFormat_hm(Locale locale)	Obtains the 12-hour time format for the locale specified by Locale.
static String	getTimeFormat_Hm(Locale locale)	Obtains the 24-hour time format for the locale specified by Locale.
static boolean	is24HourClock(Context context)	Checks whether the system is using the 24-hour clock.

从类继承的方法 java.lang.Object

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

构造器详细资料

DateFormatUtil

public DateFormatUtil()

方法详细资料

getBestPattern

public static String getBestPattern(String skeleton,
                                    Locale locale)

Obtains the most suitable format in the region specified by java.util.Locale based on a given string representing the date and time format.

参数:

skeleton - Indicates the string representing the date and time format, for example, MMDD.

locale - Indicates the specified region based on which the date and time will be formatted.

返回:

Returns the most suitable format in the specified region based on the given string representation.

从以下版本开始:

4

getOrder

public static char[] getOrder(String pattern)

Obtains the sequence of the year, month, and day fields in a date pattern.

参数:

pattern - Indicates the string representing the date format.

返回:

Returns a char[] containing only three fields: Y for year, M for month, and D for day. The fields are displayed in the same sequence as in the date pattern.

从以下版本开始:

4

is24HourClock

public static boolean is24HourClock(Context context)

Checks whether the system is using the 24-hour clock.

If users have set the time format to the 24-hour clock, this method returns true; otherwise, this method returns the result (either true or false), depending on the conventions of the current locale.

参数:

context - Indicates the context to use.

返回:

Returns true if the 24-hour clock is used; returns false otherwise.

从以下版本开始:

4

getLongStandAloneWeekdayNames

public static String[] getLongStandAloneWeekdayNames(Locale locale)

Obtains the full names of all standalone weekdays for the locale specified by Locale.

参数:

locale - indicates locale associate with data to be retrieved

返回:

Returns the full names of all standalone weekdays for the specified locale.

从以下版本开始:

4

getShortStandAloneWeekdayNames

public static String[] getShortStandAloneWeekdayNames(Locale locale)

Obtains the short names of all standalone weekdays for the locale specified by Locale.

参数:

locale - indicates locale associate with data to be retrieved

返回:

Returns the short names of all standalone weekdays for the specified locale.

从以下版本开始:

4

getShortStandAloneMonthNames

public static String[] getShortStandAloneMonthNames(Locale locale)

Obtains the short names of all standalone months for the locale specified by Locale.

参数:

locale - indicates locale associate with data to be retrieved

返回:

Returns the short names of all standalone months for the specified locale.

从以下版本开始:

4

getShortMonthNames

public static String[] getShortMonthNames(Locale locale)

Obtains the short names of all non-standalone months for the locale specified by Locale.

参数:

locale - indicates locale associate with data to be retrieved

返回:

Returns the short names of all non-standalone months for the specified locale.

从以下版本开始:

4

getTimeFormat_hm

public static String getTimeFormat_hm(Locale locale)

Obtains the 12-hour time format for the locale specified by Locale.

参数:

locale - indicates locale associate with data to be retrieved

返回:

Returns the 12-hour time format for the specified locale.

从以下版本开始:

4

getTimeFormat_Hm

public static String getTimeFormat_Hm(Locale locale)

Obtains the 24-hour time format for the locale specified by Locale.

参数:

locale - indicates locale associate with data to be retrieved

返回:

Returns the 24-hour time format for the specified locale.

从以下版本开始:

4

format

public static String format(String skeleton,
                            String languageTag,
                            String timeZone,
                            long startTime,
                            long endTime)

Obtains the text description of a datetime interval between two calendar times.

参数:

skeleton - indicates the pattern to format a datetime.

languageTag - indicates locale of the pattern.

timeZone - indicates the timezone info.

startTime - start time of a interval(milliSeconds from January 1, 1970 00:00:00 UTC)

endTime - end time of a interval(milliSeconds from January 1, 1970 00:00:00 UTC)

返回:

text description of a datetime interval between two calendar times.

从以下版本开始:

4