获取当前系统本地时间,精确到毫秒的实例

#include <sys/timeb.h>#include <chrono>char* cur_time_c(char strDateTime[32]){ struct timeb tp_cur; ftime(&tp_cur); struct tm btm;#ifdef WIN32 localtime_s(&btm, &tp_cur.time);#else localtime_r(&tp_cur.time, &btm);#endif sprintf(strDateTime, "%04d-%02d-%02d %02d:%02d:%02d.%03d",   btm.tm_year + 1900, btm.tm_mon + 1, btm.tm_mday,  btm.tm_hour, btm.tm_min, btm.tm_sec, tp_cur.millitm); return strDateTime;}char* cur_time_cpp11(char strDateTime[32]){ static const std::chrono::hours = EIGHT_HOURS(8); auto nowLocalTimeCount   = std::chrono::system_clock::now().time_since_epoch()  + EIGHT_HOURS; std::chrono::hours now_h  = std::chrono::duration_cast<std::chrono::hours>(nowLocalTimeCount); std::chrono::minutes now_m  = std::chrono::duration_cast<std::chrono::minutes>(nowLocalTimeCount); std::chrono::seconds now_s  = std::chrono::duration_cast<std::chrono::seconds>(nowLocalTimeCount); std::chrono::milliseconds now_ms  = std::chrono::duration_cast<std::chrono::milliseconds>(nowLocalTimeCount); sprintf(strDateTime, "%02d:%02d:%02d.%03d",   now_h % 24, now_m % 60, now_s % 60, now_ms % 1000); return strDateTime;}