c++ linux time

char lsTime[16];
time_t lt = time(NULL);
tm *lpt = localtime(&lt);

lpt->tm_year +1900;//年


lpt->tm_mon + 1;//月


lpt->tm_mday ;//日



memset(lsTime, '\0', sizeof(lsTime));
sprintf(lsTime, "%d-%d-%d", lpt->tm_year +1900, lpt->tm_mon + 1, lpt->tm_mday) ;