std::get_time

 

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Definido en el archivo de encabezado <iomanip>
template<class CharT > /*unspecified*/ get_time(std::tm* tmb, const CharT* fmt);		(desde C++11)

Cuando se utiliza en una expresión in >> get_time(tmb, fmt), analiza la entrada de caracteres como un valor de fecha / hora según la cadena de formato fmt de acuerdo con la faceta std::time_get de la configuración regional seleccionada imbuido en la out flujo de salida. El valor resultante se almacena en un objeto std::tm apuntado por tmb .

Original:

When used in an expression in >> get_time(tmb, fmt), parses the character input as a date/time value according to format string fmt according to the std::time_get facet of the locale currently imbued in the output stream out. The resultant value is stored in a std::tm object pointed to by tmb.

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Parámetros

tmb	-	puntero válido para el objeto std :: tm en la que se almacenará el resultado Original: valid pointer to the std::tm object where the result will be stored The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
fmt	-	puntero a una cadena terminada en cero la gráfica que especifica el formato de conversión La cadena de formato se compone de cero o más especificadores de conversión, los espacios en blanco y caracteres ordinarios (excepto %). Cada carácter ordinario se espera que coincida con un carácter en el flujo de entrada en mayúsculas y minúsculas comparación. Cada espacio en blanco espacio en blanco coincide arbitrario en la cadena de entrada. 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 que coincida con la función POSIX strptime(): Original: The format string consists of zero or more conversion specifiers, whitespace characters, and ordinary characters (except %). Each ordinary character is expected to match one character in the input stream in case-insensitive comparison. Each whitespace character matches arbitrary whitespace in the input string. 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 format specifiers match the POSIX function strptime(): 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 Writes to fields % matches a literal %. The full conversion specification must be %%. (none) t matches any whitespace. (none) n matches any whitespace. (none) Year Y parses full year as a 4 digit decimal number, leading zeroes permitted but not required tm_year EY parses year in the alternative representation, e.g.平成23年 (year Heisei 23) which writes 2011 to tm_year in ja_JP locale tm_year y parses last 2 digits of year as a decimal number. Range [69,99] results in values 1969 to 1999, range [00,68] results in 2000-2068 tm_year Oy parses last 2 digits of year using the alternative numeric system, e.g. 十一 is parsed as 11 in ja_JP locale tm_year Ey parses year as offset from locale's alternative calendar period %EC tm_year C parses the first 2 digits of year as a decimal number (range [00,99]) tm_year EC parses the name of the base year (period) in the locale's alternative representation, e.g. 平成 (Heisei era) in ja_JP tm_year Month b parses the month name, either full or abbreviated, e.g. Oct tm_mon h synonym of b tm_mon B synonym of b tm_mon m parses the month as a decimal number (range [01,12]), leading zeroes permitted but not required tm_mon Om parses the month using the alternative numeric system, e.g. 十二 parses as 12 in ja_JP locale tm_mon Week U parses the week of the year as a decimal number (Sunday is the first day of the week) (range [00,53]), leading zeroes permitted but not required tm_year, tm_wday, tm_yday OU parses the week of the year, as by %U, using the alternative numeric system, e.g. 五十二 parses as 52 in ja_JP locale tm_year, tm_wday, tm_yday W parses the week of the year as a decimal number (Monday is the first day of the week) (range [00,53]), leading zeroes permitted but not required tm_year, tm_wday, tm_yday OW parses the week of the year, as by %W, using the alternative numeric system, e.g. 五十二 parses as 52 in ja_JP locale tm_year, tm_wday, tm_yday Day of the year/month j parses day of the year as a decimal number (range [001,366]), leading zeroes permitted but not required tm_yday d parses the day of the month as a decimal number (range [01,31]), leading zeroes permitted but not required tm_mday Od parses the day of the month using the alternative numeric system, e.g 二十七 parses as 23 in ja_JP locale, leading zeroes permitted but not required tm_mday e synonym of d tm_mday Oe synonym of Od tm_mday Day of the week a parses the name of the day of the week, either full or abbreviated, e.g. Fri tm_wday A synonym of a tm_wday w parses weekday as a decimal number, where Sunday is 0 (range [0-6]) tm_wday Ow parses weekday as a decimal number, where Sunday is 0, using the alternative numeric system, e.g. 二 parses as 2 in ja_JP locale tm_wday Hour, minute, second H parses the hour as a decimal number, 24 hour clock (range [00-23]), leading zeroes permitted but not required tm_hour OH parses hour from 24-hour clock using the alternative numeric system, e.g. 十八 parses as 18 in ja_JP locale tm_hour I parses hour as a decimal number, 12 hour clock (range [01,12]), leading zeroes permitted but not required tm_hour OI parses hour from 12-hour clock using the alternative numeric system, e.g. 六 reads as 06 in ja_JP locale tm_hour M parses minute as a decimal number (range [00,59]), leading zeroes permitted but not required tm_min OM parses minute using the alternative numeric system, e.g. 二十五 parses as 25 in ja_JP locale tm_min S parses second as a decimal number (range [00,60]), leading zeroes permitted but not required tm_sec OS parses second using the alternative numeric system, e.g. 二十四 parses as 24 in ja_JP locale tm_sec Other c parses the locale's standard date and time string format, e.g. Sun Oct 17 04:41:13 2010 (locale dependent) all Ec parses the locale's alternative date and time string format, e.g. expecting 平成23年 (year Heisei 23) instead of 2011年 (year 2011) in ja_JP locale all x parses the locale's standard date representation all Ex parses the locale's alternative date representation, e.g. expecting 平成23年 (year Heisei 23) instead of 2011年 (year 2011) in ja_JP locale all X parses the locale's standard time representation all EX parses the locale's alternative time representation all D equivalent to "%m / %d / %y " tm_mon, tm_mday, tm_year r parses locale's standard 12-hour clock time (in POSIX, "%I : %M : %S %p") tm_hour, tm_min, tm_sec R equivalent to "%H : %M" tm_hour, tm_min T equivalent to "%H : %M : %S" tm_hour, tm_min, tm_sec p parses the locale's equivalent of a.m. or p.m. tm_hour Original: pointer to a null-terminated CharT string specifying the conversion format La cadena de formato se compone de cero o más especificadores de conversión, los espacios en blanco y caracteres ordinarios (excepto %). Cada carácter ordinario se espera que coincida con un carácter en el flujo de entrada en mayúsculas y minúsculas comparación. Cada espacio en blanco espacio en blanco coincide arbitrario en la cadena de entrada. 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 que coincida con la función POSIX strptime(): Original: The format string consists of zero or more conversion specifiers, whitespace characters, and ordinary characters (except %). Each ordinary character is expected to match one character in the input stream in case-insensitive comparison. Each whitespace character matches arbitrary whitespace in the input string. 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 format specifiers match the POSIX function strptime(): 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 Writes to fields % matches a literal %. The full conversion specification must be %%. (none) t matches any whitespace. (none) n matches any whitespace. (none) Year Y parses full year as a 4 digit decimal number, leading zeroes permitted but not required tm_year EY parses year in the alternative representation, e.g.平成23年 (year Heisei 23) which writes 2011 to tm_year in ja_JP locale tm_year y parses last 2 digits of year as a decimal number. Range [69,99] results in values 1969 to 1999, range [00,68] results in 2000-2068 tm_year Oy parses last 2 digits of year using the alternative numeric system, e.g. 十一 is parsed as 11 in ja_JP locale tm_year Ey parses year as offset from locale's alternative calendar period %EC tm_year C parses the first 2 digits of year as a decimal number (range [00,99]) tm_year EC parses the name of the base year (period) in the locale's alternative representation, e.g. 平成 (Heisei era) in ja_JP tm_year Month b parses the month name, either full or abbreviated, e.g. Oct tm_mon h synonym of b tm_mon B synonym of b tm_mon m parses the month as a decimal number (range [01,12]), leading zeroes permitted but not required tm_mon Om parses the month using the alternative numeric system, e.g. 十二 parses as 12 in ja_JP locale tm_mon Week U parses the week of the year as a decimal number (Sunday is the first day of the week) (range [00,53]), leading zeroes permitted but not required tm_year, tm_wday, tm_yday OU parses the week of the year, as by %U, using the alternative numeric system, e.g. 五十二 parses as 52 in ja_JP locale tm_year, tm_wday, tm_yday W parses the week of the year as a decimal number (Monday is the first day of the week) (range [00,53]), leading zeroes permitted but not required tm_year, tm_wday, tm_yday OW parses the week of the year, as by %W, using the alternative numeric system, e.g. 五十二 parses as 52 in ja_JP locale tm_year, tm_wday, tm_yday Day of the year/month j parses day of the year as a decimal number (range [001,366]), leading zeroes permitted but not required tm_yday d parses the day of the month as a decimal number (range [01,31]), leading zeroes permitted but not required tm_mday Od parses the day of the month using the alternative numeric system, e.g 二十七 parses as 23 in ja_JP locale, leading zeroes permitted but not required tm_mday e synonym of d tm_mday Oe synonym of Od tm_mday Day of the week a parses the name of the day of the week, either full or abbreviated, e.g. Fri tm_wday A synonym of a tm_wday w parses weekday as a decimal number, where Sunday is 0 (range [0-6]) tm_wday Ow parses weekday as a decimal number, where Sunday is 0, using the alternative numeric system, e.g. 二 parses as 2 in ja_JP locale tm_wday Hour, minute, second H parses the hour as a decimal number, 24 hour clock (range [00-23]), leading zeroes permitted but not required tm_hour OH parses hour from 24-hour clock using the alternative numeric system, e.g. 十八 parses as 18 in ja_JP locale tm_hour I parses hour as a decimal number, 12 hour clock (range [01,12]), leading zeroes permitted but not required tm_hour OI parses hour from 12-hour clock using the alternative numeric system, e.g. 六 reads as 06 in ja_JP locale tm_hour M parses minute as a decimal number (range [00,59]), leading zeroes permitted but not required tm_min OM parses minute using the alternative numeric system, e.g. 二十五 parses as 25 in ja_JP locale tm_min S parses second as a decimal number (range [00,60]), leading zeroes permitted but not required tm_sec OS parses second using the alternative numeric system, e.g. 二十四 parses as 24 in ja_JP locale tm_sec Other c parses the locale's standard date and time string format, e.g. Sun Oct 17 04:41:13 2010 (locale dependent) all Ec parses the locale's alternative date and time string format, e.g. expecting 平成23年 (year Heisei 23) instead of 2011年 (year 2011) in ja_JP locale all x parses the locale's standard date representation all Ex parses the locale's alternative date representation, e.g. expecting 平成23年 (year Heisei 23) instead of 2011年 (year 2011) in ja_JP locale all X parses the locale's standard time representation all EX parses the locale's alternative time representation all D equivalent to "%m / %d / %y " tm_mon, tm_mday, tm_year r parses locale's standard 12-hour clock time (in POSIX, "%I : %M : %S %p") tm_hour, tm_min, tm_sec R equivalent to "%H : %M" tm_hour, tm_min T equivalent to "%H : %M : %S" tm_hour, tm_min, tm_sec p parses the locale's equivalent of a.m. or p.m. tm_hour The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

Valor de retorno

Devuelve un objeto de tipo no especificado de tal manera que si in es el nombre de un flujo de entrada de std::basic_istream<CharT, Traits> tipo, entonces la expresión in >> get_time(tmb, fmt) comporta como si el código se ha ejecutado:

Original:

Returns an object of unspecified type such that if in is the name of an input stream of type std::basic_istream<CharT, Traits>, then the expression in >> get_time(tmb, fmt) behaves as if the following code was executed:

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typedefstd::istreambuf_iterator<CharT, Traits> Iter;
typedefstd::time_get<CharT, Iter> TimeGet;
std::ios_base::iostate err =std::ios_base::goodbit;
const TimeGet& tg =std::use_facet<TimeGet>(in.getloc());
tg.get(Iter(in.rdbuf()), Iter(), in, err, tmb, fmt, fmt + traits::length(fmt));
if(err !=std::ios_base::goodbit)
    in.setstate(err):

Ejemplo

Ejecuta este código

#include <iostream>#include <sstream>#include <locale>#include <iomanip>#include <ctime>   int main(){std::tm t;std::istringstream ss("2011-Februar-18 23:12:34"); ss.imbue(std::locale("de_DE")); ss >> std::get_time(&t, "%Y-%b-%d %H:%M:%S");std::cout<<std::put_time(&t, "%c")<<'\n';}

Salida:

Sun Feb 18 23:12:34 2011

Ver también

time_get	Analiza valores de hora y fecha a partir de una secuencia de caracteres y los deposita en structstd::tm. (plantilla de clase)
put_time (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)