1 #include<iostream>  2 #include<windows.h> 3 #include<time.h> 4 using namespace std; 5 int main() 6 { 7     time_t rawtime; 8      9     while(true){10     time(&rawtime);11     tm *timeinfo=localtime(&rawtime);12     system("cls");13     cout<<timeinfo->tm_year+1900<<"年"<<timeinfo->tm_mon+1<<"月"<<timeinfo->tm_mday<<"日"<<endl; 14     cout<<timeinfo->tm_hour<<":"<<timeinfo->tm_min<<":"<<timeinfo->tm_sec<<endl;15     Sleep(1000);16     }17     return 0; 18 }