C语言显示系统时间的几个办法 #include <time.h> #include <stdio.h> #include<stdlib.h> int main() { time_t t = time(0); char tmp[64]; strftime( tmp, sizeof(tmp), "%Y/%m/%d %X %A 本月第%j天 %z",localtime(&t) ); puts( tmp ); return 0; } #include <stdio.h> #include <time.h> int main () { time_t rawtime; struct tm * timeinfo; time ( &rawtime ); timeinfo = localtime ( &rawtime ); printf ( "The current date/time is: %s", asctime (timeinfo) ); } #include<iostream> #include<ctime> #include<windows.h> using namespace std; int main() { time_t t; while(1) { time(&t); cout << ctime(&t) << endl; cout << asctime(localtime(&t)) << endl; Sleep(900); system("cls");//借助CLS实现动态更新时间 } }
DWORD end_time = GetTickCount();
DWORD start_time = GetTickCount();