C语言编的系统时钟小程序源码.rar

#include"stdio.h" #include"conio.h" #include"graphics.h" #include"dos.h" #include"math.h" #define PI 3.141592 void main() { struct time t; struct date d; float t_h,t_m,t_s; float end_x,end_y; char p[50]; int driver=DETECT,mode; registerbgidriver(EGAVGA_driver); initgraph(&driver,&mode,""); while(!kbhit()) {cleardevice(); setcolor(BROWN); circle(320,240,100); setcolor(BLUE); settextstyle(0,0,0); outtextxy(313,145,"12"); outtextxy(405,233,"3"); outtextxy(316,328,"6"); outtextxy(225,233,"9"); time(&t); // printf("\n%s",ctime(&t)); gettime(&t); getdate(&d); setcolor(GREEN); settextstyle(3,0,4); sprintf(p,"%d-%d-%d %d:%d:%d",d.da_year,d.da_mon,d.da_day,t.ti_hour,t.ti_min,t.ti_sec); outtextxy(130,50,p); setcolor(BLUE); t_s=(float)t.ti_sec*(2*PI/60); t_m=((float)t.ti_min*(2*PI/60)+t_s/60.0); t_h=((float)t.ti_hour*(2*PI/12)+t_m/12.0); end_x=320+50*sin(t_h); end_y=240-50*cos(t_h); setcolor(RED); line(320,240,end_x,end_y); end_x=320+75*sin(t_m); end_y=240-75*cos(t_m); setcolor(YELLOW); line(320,240,end_x,end_y); end_x=320+95*sin(t_s); end_y=240-95*cos(t_s); setcolor(GREEN); line(320,240,end_x,end_y); sleep(1); } }