When used in an expression out << put_time(tmb, fmt), converts the date and time information from a given calendar time tmb to a character string according to format string fmt, as if by calling std::strftime, std::wcsftime, or analog (depending on CharT), according to the std::...
问std::put_time()的问题EN一、背景介绍: 函数指针始终不太灵活,它只能指向全局或静态函数,对于类...
#include <iostream> #include <iomanip> #include <chrono> #include <string> int main() { // serialization auto ts = std::chrono::system_clock::now(); auto timeS_t = std::chrono::system_clock::to_time_t(ts); std::ostringstream outStream; outStream << std::put_time(std::localtime...
When used in an expressionout<<put_time(tmb, fmt), converts the date and time information from a given calendar timetmbto a character string according toformat stringfmt, as if by callingstd::strftime,std::wcsftime, or analog (depending onCharT), according to thestd::time_putfacet of th...
std::put_time()andstd::get_time()are part of C++11 and defined in<iomanip>. This header is included in the cron header: #include<vector>#include<string>#include<sstream>#include<bitset>#include<cctype>#include<ctime>#include<iomanip>#include<algorithm> ...
size()); std::cout << "'\n"; } int main() { std::time_t t = std::time(NULL); std::tm tm = *std::localtime(&t); std::string fmt = "%c"; std::cout << "Using the format string '" << fmt << "' to format the time: " << std::ctime(&t) << '\n'; std:...
tolower String and stream conversions wstring_convert (C++11/17/26*) wbuffer_convert (C++11/17/26*) Text encoding identifications text_encoding (C++26) Unicode conversion facets codecvt_utf8 (C++11/17/26*) codecvt_utf16 (C++11/17/26*) codecvt_utf8_utf16 (C++11/17/26*) codecvt_mode...