當前本地時間高精度
阿新 • • 發佈:2018-05-23
oid end include win point lock OS bsp RR
1 #include <chrono> 2 void current_time() 3 { 4 // 當前時間點 5 std::chrono::system_clock::time_point t_now = 6 std::chrono::high_resolution_clock::now(); 7 // 轉換精度到微秒級別 8 std::chrono::time_point<std::chrono::system_clock, std::chrono::microseconds> t_n = 9 std::chrono::time_point_cast<std::chrono::microseconds>(t_now);10 11 time_t nt = std::chrono::system_clock::to_time_t(t_now); 12 struct tm btm; 13 #ifdef _WIN32 14 localtime_s(&btm, &nt); 15 #else 16 localtime_r(&nt, &btm); 17 #endif 18 19 char mbstr[256] = { 0 }; 20 strftime(mbstr, sizeof(mbstr), "%Y-%m-%d %H:%M:%S", &btm);21 printf("%s.%06" PRIu64 "\n", mbstr, t_n.time_since_epoch() % 1000000); 22 }
當前本地時間高精度