time_t tNow=time(NULL); time_t tEnd= tNow +1800;//在这里修改程序//struct tm* ptm = localtime(&tNow);//struct tm* ptmEnd = localtime(&tEnd);structtm ptm = {0};structtm ptmEnd = {0}; localtime_r(&tNow, &ptm); localtime_r(&tEnd, &ptmEnd);charszTmp[50] = {0}; st...