#include <iostream>#include <ctime>using namespace std;int main(){    //tm转换成字符串    time_t t = time(0);    tm tm;    localtime_s(&tm, &t);      char szTime[64];    sprintf_s( szTime, 64, "%4.4d-%2.2d-%2.2d %2.2d:%2.2d:%2.2d",          tm.tm_year+1900, tm.tm_mon+1, tm.tm_mday,          tm.tm_hour, tm.tm_min,tm.tm_sec);      //字符串转换成tm    sscanf_s(szTime, "%4d-%2d-%2d %2d:%2d:%2d",              &tm.tm_year,           &tm.tm_mon,           &tm.tm_mday,           &tm.tm_hour,           &tm.tm_min,          &tm.tm_sec);      cout << szTime;    getchar();    return 0;}