Cocos2dx3.1 获取当前系统时间

std::string Tools::getcurrTime(){     #if (CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID || CC_TARGET_PLATFORM == CC_PLATFORM_IOS)    struct timeval now;  struct tm* time;    gettimeofday(&now, NULL);      time = localtime(&now.tv_sec);  int year = time->tm_year + 1900;  log("year = %d",year);    char date[32] = {0};  sprintf(date, "%d%02d%02d",(int)time->tm_year + 1900,(int)time->tm_mon + 1,(int)time->tm_mday);  log("%s",date);  return StringUtils::format("%s",date);    #endif    #if ( CC_TARGET_PLATFORM == CC_PLATFORM_WIN32 )    struct tm* tm;  time_t timep;  time(timep);    tm = localtime(&timep);  char date[32] = {0};  sprintf(date, "%d-%02d-%02d",(int)time->tm_year + 1900,(int)time->tm_mon + 1,(int)time->tm_mday);  log("%s",date);   return StringUtils::format("%s",date);    #endif          }