C语言写的一个电子时钟
运行环境：windows XP上的winTC。
说明：需要支持***graphics.h***才能运行。
=以下是源代码===
#include
#include
#include
#include
#include
//一些键值的定义
#define PI 3.141592653
#define UP 0x4800
#define DOWN 0x5000
#define ESC 0x11b
#define TAB 0xf09
int keyhandle(int,int);/*键盘按键判断*/
int timeupchange(int);/*处理上移按键*/
int timedownchange(int);/*处理下移按键*/
int digithour(double);/*double hour to int*/
int digitsec(double);
int digitmin(double);
void digitclock(int,int,int);/*在指定位置显示时钟或分钟或秒钟*/
void drawcursor(int);/*绘制一个光标*/
void clearcursor(int);/*消除一个光标*/
void clockhandle();/*时钟处理*/
void digitAclock();/*闹钟数字显示*/
double h,m,s;
double x,x1,x2,y,y1,y2;
struct time t[1];
struct AlarmClock/*定义闹钟结构体变量*/
{
int hc;
int mc;
int sc;
}Alarm;
int main()
{ int driver ,mode=0,i,j;
driver=DETECT;
initgraph(&driver,&mode,"");
setlinestyle(0,0,3);
setbkcolor(8);
setcolor(RED);
/*时钟外围主体框架*/
rectangle(52,11,583,431);
rectangle(44,28,592,413);
setwritemode(0);
/*时钟标题*/
setcolor(YELLOW);
setlinestyle(0,0,1);
outtextxy(280,15,"MyColck");
/*画一个光标*/
line(136,269,136,285);
/*shu zi shi zhong kuang jia*/
line(95,262,250,262);
line(95,297,250,297);
arc(95,280,90,270,17);
arc(250,280,270,90,17);
setcolor(5);
/*作时分秒之间的分隔符*/
for(i=146;i<=197;i+=51)
for(j=274;j<=281;j+=7)
{
setlinestyle(0,0,3);
circle(i,j,1);
}
/*在时钟中心画一个圆作为时钟的转轴*/
setcolor(YELLOW);
circle(178,151,2);
/*==================================================*/
/*小时点数*/
for(i=0,m=0,h=0;i<=11;i++,h++)
{
x=88*sin((h*60+m)/360*PI)+178;
y=151-88*cos((h*60+m)/360*PI);
setlinestyle(0,0,3);
setcolor(14);
circle(x,y,1);
}
/*分或秒点数*/
for(i=0,m=0;i<=59;m++,i++)
{
x=88*sin(m/30*PI)+178;
y=151-88*cos(m/30*PI);
setlinestyle(0,0,1);
setcolor(3);
circle(x,y,1);
}
/*在时钟上打印12，3，6，9数字*/
outtextxy(98,148,"9");
outtextxy(250,148,"3");
outtextxy(170,70,"12");
outtextxy(175,225,"6");
/*帮助界面*/
setcolor(GREEN);
outtextxy(131,310,"H E L P");
outtextxy(84,328,"Tab :Cursor move");
outtextxy(84,348,"Up :Time ++");
outtextxy(84,368,"Down:Time --");
outtextxy(84,388,"Esc :Quit system!");
outtextxy(312,418,"Designed by Futuroscope&Joyce");
/*绘制note的框架和字样*/
rectangle(315,101,484,381);
rectangle(322,86,498,387);
rectangle(326,244,481,279);/*闹钟数字显示框架*/
line(378,244,378,279);
line(430,244,430,279);
setcolor(1);
outtextxy(370,111,"N O T E");
setcolor(YELLOW);
outtextxy(330,135,"You can set an ala-");
outtextxy(330,145,"rm colck here!");
setcolor(8);
outtextxy(354,298,"ATTENTION!");
clockhandle();
closegraph();
return 0;
}
void clockhandle()
{
int k=0,count;
/*初始化闹钟*/
Alarm.hc=0;
Alarm.mc=0;
Alarm.sc=0;
setcolor(RED);
digitAclock(336,254,Alarm.hc)；
digitAclock(388,254,Alarm.mc);
digitAclock(440,254,Alarm.sc);
setcolor(15);/*白色时针*/
gettime(t);
setwritemode(1);
/*开始循环，直到按ESC*/
for(count=2;k!=ESC;)
{
/*声音模拟*/
sound(500);
delay(700);
sound(200);
delay(300);
nosound();
s=t[0].ti_sec;
m=t[0].ti_min;
h=t[0].ti_hour;
/*draw hour r=50 ,white*/
setcolor(15);
x=50*sin((h*60+m)/360*PI)+178;
y=151-50*cos((h*60+m)/360*PI);
line(178,151,x,y);
/*draw minuite r=78 lightblue*/
setcolor(9);
x1=78*sin(m/30*PI)+178;
y1=151-78*cos(m/30*PI);
line(178,151,x1,y1);
/*draw second r=85 lightred*/
setcolor(12);
x2=85*sin(s/30*PI)+178;
y2=151-85*cos(s/30*PI);
line(178,151,x2,y2);
while(t[0].ti_sec==s&&t[0].ti_min==m&&t[0].ti_hour==h)
{ gettime(t);/*get system's time*/
if(bioskey(1)!=0)
{
k=bioskey(0);
count=keyhandle(k,count);
if(count==8)
count=1;
}
}/*whlie end*/
setcolor(15);
/*在数字框中显示数字时、分、秒,white*/
digitclock(105,275,digithour(h));
digitclock(160,275,digitmin(m));
digitclock(215,275,digitsec(s)+1);
/*异或操作，在原来的地方用相同的颜色画相同的秒针来擦除*/
setcolor(15);
x=50*sin((h*60+m)/360*PI)+178;
y=151-50*cos((h*60+m)/360*PI);
line(178,151,x,y);
setcolor(9);
x1=78*sin(m/30*PI)+178;
y1=151-78*cos(m/30*PI);
line(178,151,x1,y1);
setcolor(12);
x2=85*sin(s/30*PI)+178;
y2=151-85*cos(s/30*PI);
line(178,151,x2,y2);
/*Alarm colck*/
if(Alarm.hc==h&&Alarm.mc==m&&Alarm.sc==s)
{
Alarm.sc++;
setwritemode(1);
setcolor(YELLOW);
setlinestyle(0,0,3);
rectangle(315,101,484,381);
rectangle(322,86,498,387);
setlinestyle(0,0,1);
outtextxy(370,111,"N O T E");
setcolor(RED);
outtextxy(330,135,"You can set an ala-");
outtextxy(330,145,"rm colck here!");
outtextxy(254,298,"ATTENTION!");
delay(2000);
}
}/*for end*/
}
int keyhandle(int key,int count)
{ switch(key)
{
case UP:timeupchange(count-1);break;
case DOWN:timedownchange(count-1);break;
case TAB:setcolor(YELLOW);drawcursor(count);clearcursor(count);count++;break;
}
return count;
}
int timeupchange(int count)/*上键处理*/
{
if(count==1)
{
t[0].ti_hour++;
if(t[0].ti_hour==24) t[0].ti_hour=0;
settime(t);
}
if(count==2)
{
t[0].ti_min++;
if(t[0].ti_min==60)
{
t[0].ti_hour++;
if(t[0].ti_hour==24)
t[0].ti_hour=0;
t[0].ti_min=0;
}
settime(t);
}
if(count==3)
{
t[0].ti_sec++;
if(t[0].ti_sec==60)
{
t[0].ti_min++;
if(t[0].ti_min==60)
{
t[0].ti_hour++;
if(t[0].ti_hour==24)
t[0].ti_hour=0;
t[0].ti_min=0;
}
t[0].ti_sec=0;
}
settime(t);
}
/*闹钟*/
{
if(count==4)
{ Alarm.hc++;
if(Alarm.hc==24)
Alarm.hc=0;
}
if(count==5)
{ Alarm.mc++;
if(Alarm.mc==60)
Alarm.mc=0;
}
if(count==6)
{ Alarm.sc++;
if(Alarm.sc==60)
Alarm.sc=0;
}
setcolor(RED);
digitAclock(336,254,Alarm.hc)；
digitAclock(388,254,Alarm.mc);
digitAclock(440,254,Alarm.sc);
}
}
int timedownchange(int count)/*下键处理*/
{
if(count==1)
{
if(t[0].ti_hour==0) t[0].ti_hour=24;
t[0].ti_hour--;
settime(t);
}
if(count==2)
{
if(t[0].ti_min==0)
{
if(t[0].ti_hour==0)
t[0].ti_hour=24;
t[0].ti_hour--;
t[0].ti_min=60;
}
t[0].ti_min--;
settime(t);
}
if(count==3)
{
if(t[0].ti_sec==0)
{
if(t[0].ti_min==0)
{
if(t[0].ti_hour==0)
t[0].ti_hour=24;
t[0].ti_min=60;
t[0].ti_hour--;
}
t[0].ti_sec=60;
t[0].ti_min--;
}
t[0].ti_sec--;
settime(t);
}
{
if(count==4)
{ Alarm.hc--;
if(Alarm.hc<0)
Alarm.hc=23;
}
if(count==5)
{ Alarm.mc--;
if(Alarm.mc<0)
Alarm.mc=59;
}
if(count==6)
{ Alarm.sc--;
if(Alarm.sc<0)
Alarm.sc=59;
}
setcolor(RED);
digitAclock(336,254,Alarm.hc)；
digitAclock(388,254,Alarm.mc);
digitAclock(440,254,Alarm.sc);
}
}
void digitclock(int x,int y,int clock)/*数字时钟*/
{
char buffer1[10];
setfillstyle(0,2);
bar(x,y,x+15,290);
if(clock>=60)
clock=0;
sprintf(buffer1,"%d",clock);
outtextxy(x,y,buffer1);
}
void digitAclock(int x,int y,int clock)
{
char buffer2[10];
setfillstyle(0,2);
bar(x,y,x+15,270);
if(clock>=60)
clock=0;
sprintf(buffer2,"%d",clock);
outtextxy(x,y,buffer2);
}
int digithour(double h)/*double hour to int*/
{
int i;
for(i=0;i<=23;i++)
{
if(h==i)
return i;
}
}
int digitmin(double m)/*double minuite to int*/
{
int i;
for(i=0;i<=59;i++)
{
if(m==i)
return i;
}
}
int digitsec(double s)/*double second to int*/
{
int i;
for(i=0;i<=59;i++)
{
if(s==i)
return i;
}
}
/*绘画光标*/
void drawcursor(int count)
{
switch(count)
{
case 1:line(136,269,136,285);break;
case 2:line(188,269,188,285);break;
case 3:line(244,269,244,285);break;
case 4:line(367,254,367,270);break;
case 5:line(418,254,418,270);break;
case 6:line(469,254,469,270);break;
}
}
/*清除光标*/
void clearcursor(int count)
{
switch(count)
{
case 2:line(136,269,136,285);break;
case 3:line(188,269,188,285);break;
case 4:line(244,269,244,285);break;
case 5:line(367,254,367,270);break;
case 6:line(418,254,418,270);break;
case 1:line(469,254,469,270);break;
}
}
==========================================================