C/C++11 - 获取系统当前时间 std::chrono::system_clock
简介
C++11中获取系统当前时间
个人使用
auto nowTime = chrono::system_clock::now(); auto tt = chrono::system_clock::to_time_t(nowTime); std::cout << "[JcSmartDevice]::WaitDevLinked sInfo is true:" << ctime(&tt) << std::endl;
官方例子
// system_clock example #include <iostream> #include <ctime> #include <ratio> #include <chrono> int main () { using std::chrono::system_clock; std::chrono::duration<int,std::ratio<60*60*24> > one_day (1); system_clock::time_point today = system_clock::now(); system_clock::time_point tomorrow = today + one_day; std::time_t tt; tt = system_clock::to_time_t ( today ); std::cout << "today is: " << ctime(&tt); tt = system_clock::to_time_t ( tomorrow ); std::cout << "tomorrow will be: " << ctime(&tt); return 0; } //Output today is: Wed May 30 12:25:03 2012 tomorrow will be: Thu May 31 12:25:03 2012
博客园文作者:Citrusliu
博文地址:https://www.cnblogs.com/citrus