1: using namespace boost::posix_time; 2: using namespace boost::gregorian; 3: ptime now(second_clock::local_time()); 4: std::cout << "today is: " << now.date() << std::endl; 5: std::cout << "time is: " << now.time_of_day() << std::endl; 6: ptime转换为string ...
posix_time是date_time中用于处理时间的库,时间功能位于名字空间boost::posix_time,需要包含的头文件为<boost/date_time/posix_time/posix_time.hpp>。首先看一下time_duration,它表述了时、分、秒的度量,然后介绍时间点ptime. 时间长度time_duration time_duration很像C语言中tm结构体中的时、分、秒部分,不仅可...
1: using namespace boost::posix_time; 2: using namespace boost::gregorian; 3: ptime now(second_clock::local_time()); 4: std::cout << "today is: " << now.date() << std::endl; 5: std::cout << "time is: " << now.time_of_day() << std::endl; 6: ptime转换为string ...
问使用boost::posix_time::from_time_t编译时-ftrapv崩溃EN#include boost::posix_time::ptime...
boost::posix_time::time_from_string("1899-12-31 00:00:00.000"); constboost::posix_time::ptime prime_epoch{ boost::gregorian::date{1900,1,1}}; // Calculate the number of seconds from the prime epoch to the system time. constboost::posix_time::time_duration time_duration{prime_epoch...
date_time库 是需要编译才能使用 头文件 处理日期的头文件 gregorian // 处理日期的组件#include<boost/date_time/gregorian/gregorian.hpp>usingnamesapce boost::gregorian; 处理时间的头文件 posix_time // 处理时间的组件#include<boost/date_time/posix_time/posix_time.hpp>usingnamespaceboost::posix_time ...
1: ptime t = from_time_t(tt); // 其中tt为time_t 2: ptime t1 = from_ftime<ptime>(ft); //其中ft为FILETIME ptime访问日期时间 1: using namespace boost::posix_time; 2: using namespace boost::gregorian; 3: ptime now(second_clock::local_time()); ...
1: ptime t = from_time_t(tt); // 其中tt为time_t 1. 2: ptime t1 = from_ftime<ptime>(ft); //其中ft为FILETIME 1. ptime访问日期时间 1: using namespace boost::posix_time; 1. 2: using namespace boost::gregorian; 1.
hpp> using namespace std; using namespace boost; using namespace boost::posix_time; using namespace boost::gregorian; int main(int argc, char const *argv[]) { // 创建时间点 ptime ptime_a(date(2020, 01, 20), hours(2)); cout << "输出时间点: " << ptime_a << endl; ptime ...
();}private:boost::posix_time::ptimem_startTime;};voidtest(){longlonga;for(longlongi=0;i<1000000;++i){a=a+i;}}voidtest1(longlonglength){longlonga;for(longlongi=0;i<length;++i){a=a+i;}}voidtest_timer(std::function<void()>func){timert;func();}intmain(){test_timer(test)...