#include "timer.h" void draw(); int second,minute,hour; struct tm *temp; time_t t; char time_buff[10]; void main() { initgraph(WIDTH,HEIGHT); while (1) { time(&t); temp = localtime(&t); second = temp->tm_sec; minute = temp->tm_min; hour = temp->tm_hour; draw(); Sleep(1000); cleardevice(); } getch(); closegraph(); } void draw() { char *p[]={"12","1","2","3","4","5","6","7","8","9","10","11"}; setbkcolor(LIGHTBLUE); setlinestyle(PS_SOLID,NULL,3); setfillstyle(RGB(249,157,247)); fillellipse(RX,RY,R+40,R+40); setcolor(DARKGRAY); setfillstyle(RGB(133,122,125)); fillellipse(RX,RY,R,R); setcolor(BLUE); line(RX,RY, sin(second *PI/30)*R*0.7+RX, -cos(second *PI/30)*R*0.7+RY); for (int i = 0; i < 60; i++ ) { int x = sin(i*PI/30) * R ; int y =-cos(i*PI/30) * R ; if (i % 5 != 0) { setcolor(LIGHTRED); line(x* 0.9 +RX,y*0.9+RY,x +RX,y+RY); } else { setcolor(LIGHTGRAY); line(x* 0.85 +RX,y*0.85+RY,x +RX,y+RY); outtextxy(x* 0.8 +RX-8,y*0.8+RY-8,p[i/5]); } } setcolor(BLUE); line(RX,RY, sin(minute *PI/30)*R*0.6+RX, -cos(minute *PI/30)*R*0.6+RY); setcolor(BLUE); line(RX,RY, sin(hour*PI/6)*R*0.4+RX, -cos(hour *PI/6)*R*0.4+RY); sprintf(time_buff,"%2d:%02d:%02d",hour,minute,second); outtextxy(370,370,time_buff); outtextxy(350,350,"MADE IN CHINA"); } 本文来源：https://www.wddqw.com/doc/099fbc76a417866fb84a8eb3.html