c++获取年月日时间（window+linux）

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47

#include <stdlib.h> #include <stdio.h> #include <string.h> #include <errno.h> #include <unistd.h> #include <pthread.h> #include <fcntl.h> #include <stdbool.h>   #include <sys/ipc.h> #include <sys/msg.h> #include <sys/time.h> #include <sys/types.h> #include <sys/stat.h> #include <stdio.h> #include <string.h>   #include <fstream> #include <iostream> using namespace std;   void GetLocalTimeString(string& strLocalTime, bool bDateOnly) {     static char chTime[15];   #ifdef _PLATFORM_WINDOWS_     time_t lTime; time(&lTime);     tm sTM; localtime_s(&sTM, &lTime); #else     struct timeval timeVal; gettimeofday(&timeVal, NULL);     struct tm sTM; localtime_r(&timeVal.tv_sec, &sTM); #endif    // lhf modify 2009.10.23       if(bDateOnly)         sprintf(chTime, "%04d%02d%02d", (sTM.tm_year+1900), sTM.tm_mon+1, sTM.tm_mday);     else         sprintf(chTime, "%04d%02d%02d%02d%02d%02d", (sTM.tm_year+1900), sTM.tm_mon+1, sTM.tm_mday, sTM.tm_hour, sTM.tm_min, sTM.tm_sec);     strLocalTime = chTime; } int main() {    string str123;   GetLocalTimeString(str123,false);    cout<<str123<<endl;    cout<<"2021,新年快乐"<<endl;    return 0; }