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std::wcsftime

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Utilerías de fecha y hora
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(C++11)
(C++20)
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(C++11)
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(C++11)
(C++11)
(C++11)      
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
Hora del día
(C++20)(C++20)
(C++20)(C++20)
(C++20)

Calendario
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)(C++20)
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(C++20)
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(C++20)(C++20)(C++20)(C++20)
(C++20)
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(C++20)
Fecha y hora estilo C
 
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(C++17)
Conversiones de formato
wcsftime
Constantes
Tipos
(C++17)
 
Definido en el archivo de encabezado <cwchar>
std::size_t wcsftime( wchar_t* str, std::size_t count, const wchar_t* format, std::tm* time );
Convierte la fecha y hora a partir de un momento dado time calendario a una cadena de caracteres terminada en nulo todo str según format formato de cadena. Hasta count bytes se escriben .
Original:
Converts the date and time information from a given calendar time time to a null-terminated wide character string str according to format string format. Up to count bytes are written.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

Contenido

[editar] Parámetros

str -
puntero al primer elemento de la matriz wchar_t para la salida
Original:
pointer to the first element of the wchar_t array for output
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
count -
número máximo de caracteres anchos a escribir
Original:
maximum number of wide characters to write
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
format -
puntero a una cadena de caracteres terminada en cero que especifica el formato ancho de la conversión.
La cadena de formato se compone de cero o más especificadores de conversión y caracteres ordinarios (excepto %). Todos los personajes ordinarios, incluyendo el carácter nulo de terminación, se copian en la cadena de salida sin modificaciones. Cada especificación de conversión comienza con carácter %, seguido opcionalmente por E o modificador O (se ignora si no soportado por el entorno local), seguido por el carácter que determina el comportamiento del especificador. Los especificadores de formato disponibles son las siguientes:
Original:
The format string consists of zero or more conversion specifiers and ordinary characters (except %). All ordinary characters, including the terminating null character, are copied to the output string without modification. Each conversion specification begins with % character, optionally followed by E or O modifier (ignored if unsupported by the locale), followed by the character that determines the behavior of the specifier. The following format specifiers are available:
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
Conversion
specifier 		Explanation Used fields
% writes literal %. The full conversion specification must be %%.
n(C++11) writes newline character
t(C++11) writes horizontal tab character
Year
Y writes year as a 4 digit decimal number tm_year
EY(C++11) writes year in the alternative representation, e.g.平成23年 (year Heisei 23) instead of 2011年 (year 2011) in ja_JP locale tm_year
y writes last 2 digits of year as a decimal number (range [00,99]) tm_year
Oy(C++11) writes last 2 digits of year using the alternative numeric system, e.g. 十一 instead of 11 in ja_JP locale tm_year
Ey(C++11) writes year as offset from locale's alternative calendar period %EC (locale-dependent) tm_year
C(C++11) writes first 2 digits of year as a decimal number (range [00,99]) tm_year
EC(C++11) writes name of the base year (period) in the locale's alternative representation, e.g. 平成 (Heisei era) in ja_JP tm_year
G(C++11) writes ISO 8601 week-based year, i.e. the year that contains the specified week.
En IS0 8601 semana comienza el lunes y la primera semana del año, deberán cumplir los requisitos siguientes:
Original:
In IS0 8601 weeks begin with Monday and the first week of the year must satisfy the following requirements:
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
  • Incluye 4 de enero
    Original:
    Includes January 4
    The text has been machine-translated via Google Translate.
    You can help to correct and verify the translation. Click here for instructions.
  • Incluye primer jueves del año
    Original:
    Includes first Thursday of the year
    The text has been machine-translated via Google Translate.
    You can help to correct and verify the translation. Click here for instructions.
 tm_year, tm_wday, tm_yday
g(C++11) writes last 2 digits of ISO 8601 week-based year, i.e. the year that contains the specified week (range [00,99]).
En IS0 8601 semana comienza el lunes y la primera semana del año, deberán cumplir los requisitos siguientes:
Original:
In IS0 8601 weeks begin with Monday and the first week of the year must satisfy the following requirements:
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
  • Incluye 4 de enero
    Original:
    Includes January 4
    The text has been machine-translated via Google Translate.
    You can help to correct and verify the translation. Click here for instructions.
  • Incluye primer jueves del año
    Original:
    Includes first Thursday of the year
    The text has been machine-translated via Google Translate.
    You can help to correct and verify the translation. Click here for instructions.
 tm_year, tm_wday, tm_yday
Month
b writes abbreviated month name, e.g. Oct (locale dependent) tm_mon
h(C++11) synonym of b tm_mon
B writes full month name, e.g. October (locale dependent) tm_mon
m writes month as a decimal number (range [01,12]) tm_mon
Om(C++11) writes month using the alternative numeric system, e.g. 十二 instead of 12 in ja_JP locale tm_mon
Week
U writes week of the year as a decimal number (Sunday is the first day of the week) (range [00,53]) tm_year, tm_wday, tm_yday
OU(C++11) writes week of the year, as by %U, using the alternative numeric system, e.g. 五十二 instead of 52 in ja_JP locale tm_year, tm_wday, tm_yday
W writes week of the year as a decimal number (Monday is the first day of the week) (range [00,53]) tm_year, tm_wday, tm_yday
OW(C++11) writes week of the year, as by %W, using the alternative numeric system, e.g. 五十二 instead of 52 in ja_JP locale tm_year, tm_wday, tm_yday
V(C++11) writes ISO 8601 week of the year (range [01,53]).
En IS0 8601 semana comienza el lunes y la primera semana del año, deberán cumplir los requisitos siguientes:
Original:
In IS0 8601 weeks begin with Monday and the first week of the year must satisfy the following requirements:
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
  • Incluye 4 de enero
    Original:
    Includes January 4
    The text has been machine-translated via Google Translate.
    You can help to correct and verify the translation. Click here for instructions.
  • Incluye primer jueves del año
    Original:
    Includes first Thursday of the year
    The text has been machine-translated via Google Translate.
    You can help to correct and verify the translation. Click here for instructions.
 tm_year, tm_wday, tm_yday
OV(C++11) writes week of the year, as by %V, using the alternative numeric system, e.g. 五十二 instead of 52 in ja_JP locale tm_year, tm_wday, tm_yday
Day of the year/month
j writes day of the year as a decimal number (range [001,366]) tm_yday
d writes day of the month as a decimal number (range [01,31]) tm_mday
Od(C++11) writes zero-based day of the month using the alternative numeric system, e.g 二十七 instead of 23 in ja_JP locale
Carácter individual está precedido por un espacio .
Original:
Single character is preceded by a space.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
 tm_mday
e(C++11) writes day of the month as a decimal number (range [1,31]).
Único dígito y precedido por un espacio .
Original:
Single digit is preceded by a space.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
 tm_mday
Oe(C++11) writes one-based day of the month using the alternative numeric system, e.g. 二十七 instead of 27 in ja_JP locale
Carácter individual está precedido por un espacio .
Original:
Single character is preceded by a space.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
 tm_mday
Day of the week
a writes abbreviated weekday name, e.g. Fri (locale dependent) tm_wday
A writes full weekday name, e.g. Friday (locale dependent) tm_wday
w writes weekday as a decimal number, where Sunday is 0 (range [0-6]) tm_wday
Ow(C++11) writes weekday, where Sunday is 0, using the alternative numeric system, e.g. 二 instead of 2 in ja_JP locale tm_wday
u(C++11) writes weekday as a decimal number, where Monday is 1 (ISO 8601 format) (range [1-7]) tm_wday
Ou(C++11) writes weekday, where Monday is 1, using the alternative numeric system, e.g. 二 instead of 2 in ja_JP locale tm_wday
Hour, minute, second
H writes hour as a decimal number, 24 hour clock (range [00-23]) tm_hour
OH(C++11) writes hour from 24-hour clock using the alternative numeric system, e.g. 十八 instead of 18 in ja_JP locale tm_hour
I writes hour as a decimal number, 12 hour clock (range [01,12]) tm_hour
OI(C++11) writes hour from 12-hour clock using the alternative numeric system, e.g. 六 instead of 06 in ja_JP locale tm_hour
M writes minute as a decimal number (range [00,59]) tm_min
OM(C++11) writes minute using the alternative numeric system, e.g. 二十五 instead of 25 in ja_JP locale tm_min
S writes second as a decimal number (range [00,60]) tm_sec
OS(C++11) writes second using the alternative numeric system, e.g. 二十四 instead of 24 in ja_JP locale tm_sec
Other
c writes standard date and time string, e.g. Sun Oct 17 04:41:13 2010 (locale dependent) all
Ec(C++11) writes alternative date and time string, e.g. using 平成23年 (year Heisei 23) instead of 2011年 (year 2011) in ja_JP locale all
x writes localized date representation (locale dependent) all
Ex(C++11) writes alternative date representation, e.g. using 平成23年 (year Heisei 23) instead of 2011年 (year 2011) in ja_JP locale all
X writes localized time representation (locale dependent) all
EX(C++11) writes alternative time representation (locale dependent) all
D(C++11) equivalent to "%m/%d/%y" tm_mon, tm_mday, tm_year
F(C++11) equivalent to "%Y-%m-%d" (the ISO 8601 date format) tm_mon, tm_mday, tm_year
r(C++11) writes localized 12-hour clock time (locale dependent) tm_hour, tm_min, tm_sec
R(C++11) equivalent to "%H:%M" tm_hour, tm_min
T(C++11) equivalent to "%H:%M:%S" (the ISO 8601 time format) tm_hour, tm_min, tm_sec
p writes localized a.m. or p.m. (locale dependent) tm_hour
z(C++11) writes offset from UTC in the ISO 8601 format (e.g. -0430), or no characters if the time zone information is not available tm_isdst
Z writes time zone name or abbreviation, or no characters if the time zone information is not available (locale dependent) tm_isdst
Original:
pointer to a null-terminated wide character string specifying the format of conversion.
La cadena de formato se compone de cero o más especificadores de conversión y caracteres ordinarios (excepto %). Todos los personajes ordinarios, incluyendo el carácter nulo de terminación, se copian en la cadena de salida sin modificaciones. Cada especificación de conversión comienza con carácter %, seguido opcionalmente por E o modificador O (se ignora si no soportado por el entorno local), seguido por el carácter que determina el comportamiento del especificador. Los especificadores de formato disponibles son las siguientes:
Original:
The format string consists of zero or more conversion specifiers and ordinary characters (except %). All ordinary characters, including the terminating null character, are copied to the output string without modification. Each conversion specification begins with % character, optionally followed by E or O modifier (ignored if unsupported by the locale), followed by the character that determines the behavior of the specifier. The following format specifiers are available:
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
Conversion
specifier 		Explanation Used fields
% writes literal %. The full conversion specification must be %%.
n(C++11) writes newline character
t(C++11) writes horizontal tab character
Year
Y writes year as a 4 digit decimal number tm_year
EY(C++11) writes year in the alternative representation, e.g.平成23年 (year Heisei 23) instead of 2011年 (year 2011) in ja_JP locale tm_year
y writes last 2 digits of year as a decimal number (range [00,99]) tm_year
Oy(C++11) writes last 2 digits of year using the alternative numeric system, e.g. 十一 instead of 11 in ja_JP locale tm_year
Ey(C++11) writes year as offset from locale's alternative calendar period %EC (locale-dependent) tm_year
C(C++11) writes first 2 digits of year as a decimal number (range [00,99]) tm_year
EC(C++11) writes name of the base year (period) in the locale's alternative representation, e.g. 平成 (Heisei era) in ja_JP tm_year
G(C++11) writes ISO 8601 week-based year, i.e. the year that contains the specified week.
En IS0 8601 semana comienza el lunes y la primera semana del año, deberán cumplir los requisitos siguientes:
Original:
In IS0 8601 weeks begin with Monday and the first week of the year must satisfy the following requirements:
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
  • Incluye 4 de enero
    Original:
    Includes January 4
    The text has been machine-translated via Google Translate.
    You can help to correct and verify the translation. Click here for instructions.
  • Incluye primer jueves del año
    Original:
    Includes first Thursday of the year
    The text has been machine-translated via Google Translate.
    You can help to correct and verify the translation. Click here for instructions.
 tm_year, tm_wday, tm_yday
g(C++11) writes last 2 digits of ISO 8601 week-based year, i.e. the year that contains the specified week (range [00,99]).
En IS0 8601 semana comienza el lunes y la primera semana del año, deberán cumplir los requisitos siguientes:
Original:
In IS0 8601 weeks begin with Monday and the first week of the year must satisfy the following requirements:
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
  • Incluye 4 de enero
    Original:
    Includes January 4
    The text has been machine-translated via Google Translate.
    You can help to correct and verify the translation. Click here for instructions.
  • Incluye primer jueves del año
    Original:
    Includes first Thursday of the year
    The text has been machine-translated via Google Translate.
    You can help to correct and verify the translation. Click here for instructions.
 tm_year, tm_wday, tm_yday
Month
b writes abbreviated month name, e.g. Oct (locale dependent) tm_mon
h(C++11) synonym of b tm_mon
B writes full month name, e.g. October (locale dependent) tm_mon
m writes month as a decimal number (range [01,12]) tm_mon
Om(C++11) writes month using the alternative numeric system, e.g. 十二 instead of 12 in ja_JP locale tm_mon
Week
U writes week of the year as a decimal number (Sunday is the first day of the week) (range [00,53]) tm_year, tm_wday, tm_yday
OU(C++11) writes week of the year, as by %U, using the alternative numeric system, e.g. 五十二 instead of 52 in ja_JP locale tm_year, tm_wday, tm_yday
W writes week of the year as a decimal number (Monday is the first day of the week) (range [00,53]) tm_year, tm_wday, tm_yday
OW(C++11) writes week of the year, as by %W, using the alternative numeric system, e.g. 五十二 instead of 52 in ja_JP locale tm_year, tm_wday, tm_yday
V(C++11) writes ISO 8601 week of the year (range [01,53]).
En IS0 8601 semana comienza el lunes y la primera semana del año, deberán cumplir los requisitos siguientes:
Original:
In IS0 8601 weeks begin with Monday and the first week of the year must satisfy the following requirements:
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
  • Incluye 4 de enero
    Original:
    Includes January 4
    The text has been machine-translated via Google Translate.
    You can help to correct and verify the translation. Click here for instructions.
  • Incluye primer jueves del año
    Original:
    Includes first Thursday of the year
    The text has been machine-translated via Google Translate.
    You can help to correct and verify the translation. Click here for instructions.
 tm_year, tm_wday, tm_yday
OV(C++11) writes week of the year, as by %V, using the alternative numeric system, e.g. 五十二 instead of 52 in ja_JP locale tm_year, tm_wday, tm_yday
Day of the year/month
j writes day of the year as a decimal number (range [001,366]) tm_yday
d writes day of the month as a decimal number (range [01,31]) tm_mday
Od(C++11) writes zero-based day of the month using the alternative numeric system, e.g 二十七 instead of 23 in ja_JP locale
Carácter individual está precedido por un espacio .
Original:
Single character is preceded by a space.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
 tm_mday
e(C++11) writes day of the month as a decimal number (range [1,31]).
Único dígito y precedido por un espacio .
Original:
Single digit is preceded by a space.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
 tm_mday
Oe(C++11) writes one-based day of the month using the alternative numeric system, e.g. 二十七 instead of 27 in ja_JP locale
Carácter individual está precedido por un espacio .
Original:
Single character is preceded by a space.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
 tm_mday
Day of the week
a writes abbreviated weekday name, e.g. Fri (locale dependent) tm_wday
A writes full weekday name, e.g. Friday (locale dependent) tm_wday
w writes weekday as a decimal number, where Sunday is 0 (range [0-6]) tm_wday
Ow(C++11) writes weekday, where Sunday is 0, using the alternative numeric system, e.g. 二 instead of 2 in ja_JP locale tm_wday
u(C++11) writes weekday as a decimal number, where Monday is 1 (ISO 8601 format) (range [1-7]) tm_wday
Ou(C++11) writes weekday, where Monday is 1, using the alternative numeric system, e.g. 二 instead of 2 in ja_JP locale tm_wday
Hour, minute, second
H writes hour as a decimal number, 24 hour clock (range [00-23]) tm_hour
OH(C++11) writes hour from 24-hour clock using the alternative numeric system, e.g. 十八 instead of 18 in ja_JP locale tm_hour
I writes hour as a decimal number, 12 hour clock (range [01,12]) tm_hour
OI(C++11) writes hour from 12-hour clock using the alternative numeric system, e.g. 六 instead of 06 in ja_JP locale tm_hour
M writes minute as a decimal number (range [00,59]) tm_min
OM(C++11) writes minute using the alternative numeric system, e.g. 二十五 instead of 25 in ja_JP locale tm_min
S writes second as a decimal number (range [00,60]) tm_sec
OS(C++11) writes second using the alternative numeric system, e.g. 二十四 instead of 24 in ja_JP locale tm_sec
Other
c writes standard date and time string, e.g. Sun Oct 17 04:41:13 2010 (locale dependent) all
Ec(C++11) writes alternative date and time string, e.g. using 平成23年 (year Heisei 23) instead of 2011年 (year 2011) in ja_JP locale all
x writes localized date representation (locale dependent) all
Ex(C++11) writes alternative date representation, e.g. using 平成23年 (year Heisei 23) instead of 2011年 (year 2011) in ja_JP locale all
X writes localized time representation (locale dependent) all
EX(C++11) writes alternative time representation (locale dependent) all
D(C++11) equivalent to "%m/%d/%y" tm_mon, tm_mday, tm_year
F(C++11) equivalent to "%Y-%m-%d" (the ISO 8601 date format) tm_mon, tm_mday, tm_year
r(C++11) writes localized 12-hour clock time (locale dependent) tm_hour, tm_min, tm_sec
R(C++11) equivalent to "%H:%M" tm_hour, tm_min
T(C++11) equivalent to "%H:%M:%S" (the ISO 8601 time format) tm_hour, tm_min, tm_sec
p writes localized a.m. or p.m. (locale dependent) tm_hour
z(C++11) writes offset from UTC in the ISO 8601 format (e.g. -0430), or no characters if the time zone information is not available tm_isdst
Z writes time zone name or abbreviation, or no characters if the time zone information is not available (locale dependent) tm_isdst
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

[editar] Valor de retorno

Número de caracteres anchos escritos en el array de caracteres anchos apuntada por str sin incluir el L'\0' que concluirá el éxito. Si count se alcanzó antes de la cadena entera podría ser almacenado, ​0​ se devuelve y el contenido es indefinido .
Original:
Number of wide characters written into the wide character array pointed to by str not including the terminating L'\0' on success. If count was reached before the entire string could be stored, ​0​ is returned and the contents are undefined.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

[editar] Ejemplo

Ejecuta este código
#include <ctime>
#include <cwchar>
#include <iostream>
#include <locale>
 
int main()
{
    std::locale::global(std::locale("ja_JP.utf8"));
    std::time_t t = std::time(NULL);
    wchar_t wstr[100];
    if(std::wcsftime(wstr, 100, L"%A %c", std::localtime(&t))) {
        std::wcout << wstr << '\n';
    }
}

Salida: 

火曜日 2011年12月27日 17時43分13秒

[editar] Ver también

 Convierte un objeto tm a una representación textual personalizada.
(función) [editar]
(C++11)
formatos y las salidas un valor de fecha / tiempo de acuerdo con el formato especificado
Original:
formats and outputs a date/time value according to the specified format
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

(plantilla de función) [editar]
Documentación de C para wcsftime
Obtenido de «https://es.cppreference.com/mwiki/index.php?title=cpp/chrono/c/wcsftime&oldid=26477»