C语言编写的电子时钟

#include "Conio.h" #include "graphics.h" #include "stdio.h" #include "math.h" #include "dos.h" #include "time.h" #define closegr closegraph #define PI 3.1415926 void initgr(void) { int gd = DETECT, gm = 0; registerbgidriver(EGAVGA_driver); initgraph(&gd, &gm, ""); } int main(void) { struct time tim; int end_x,end_y,i,font_x,font_y,XX_sec,YY_sec,XX_hr,YY_hr,XX_min,YY_min; float sec_radian,min_radian,hr_radian,font_radian; int pan=1; initgr(); while(!bioskey(1)) { gettime(&tim); sec_radian=(float)tim.ti_sec*((2*PI)/60); min_radian=(float)tim.ti_min*((2*PI)/60); hr_radian=(float)tim.ti_hour*((2*PI)/12)+min_radian/12; setbkcolor(BLACK); setcolor(BLUE); circle(320,240,220); circle(320,240,150); settextstyle(DEFAULT_FONT,HORIZ_DIR,1); outtextxy(310,130,"clock"); if(pan==1) { setcolor(RED); } else { setcolor(BLACK); line(320,240,XX_sec,YY_sec); line(320,240,XX_min,YY_min); line(320,240,XX_hr,YY_hr); setcolor(RED); } end_x=320+80*sin(hr_radian); end_y=240-80*cos(hr_radian); line(320,240,end_x,end_y); XX_hr=end_x;YY_hr=end_y; end_x=320+125*sin(min_radian); end_y=240-125*cos(min_radian); line(320,240,end_x,end_y); XX_min=end_x;YY_min=end_y; end_x=320+140*sin(sec_radian); end_y=240-140*cos(sec_radian); line(320,240,end_x,end_y); XX_sec=end_x;YY_sec=end_y; pan=0; setcolor(YELLOW); circle(320,240,1); circle(320,240,2); setcolor(0xE9FD05); settextstyle(DEFAULT_FONT,HORIZ_DIR,3); for(i=1;i<=12;i++) { font_radian=i*((2*PI)/12); font_x=308+190*sin(font_radian); font_y=230-190*cos(font_radian); switch(i) { case 1: outtextxy(font_x,font_y,"1");break; case 2: outtextxy(font_x,font_y,"2");break; case 3: outtextxy(font_x,font_y,"3");break; case 4: outtextxy(font_x,font_y,"4");break; case 5: outtextxy(font_x,font_y,"5");break; case 6: outtextxy(font_x,font_y,"6");break; case 7: outtextxy(font_x,font_y,"7");break; case 8: outtextxy(font_x,font_y,"8");break; case 9: outtextxy(font_x,font_y,"9");break; case 10: outtextxy(font_x,font_y,"10");break; case 11: outtextxy(font_x,font_y,"11");break; case 12: outtextxy(font_x,font_y,"12"); } } sleep(1); /*cleardevice(); */ } getch(); closegr(); return 0; }