C++获取当前时间中的时分秒

time_t currentTime;
time(¤tTime);
struct tm *p;
char str[200];
char hour[3];
char min[3];
char sec[3];
p = localtime(¤tTime);
itoa(p->tm_hour,hour,10);   //itoa的作用是把整数转化为字符串
itoa(p->tm_min,min,10);
itoa(p->tm_sec,sec,10);
strcpy_s(str,hour);
strcat_s(str,min);
strcat_s(str,sec);