用C做的电子时钟程序

效果图

/*-----------------------------电子时钟源代码---------------------------------*/

/*------------------------------预处理----------------------------------------*/
#include<graphics.h>
#include<math.h>
#include<.h>
#include<stdio.h>
/*-----------------------------宏定义-----------------------------------------*/
#define pi   3.1415926
#define up   0x4800
#define down 0x5000
#define tab  0xf09
#define esc  0x11b
/*-----------------------------定义全局变量-----------------------------------*/
 double hour,minute,second;
 int radius=130,center_x=300,center_y=265;
 double hour_x,hour_y,minute_x,minute_y,second_x,second_y;
 struct time time[1];
/*-----------------------------函数的声明-------------------------------------*/
void colockhandle();
int  digitalhour(double hour);
int  digitalminute(double minute);
int  digitalsecond(double second);
void digitalclock(int x,int y,int clock);
int up_key(int count);
int down_key(int count);
void clearcursor(int count);
void drawcursor(int count);
/*----------------------------主函数------------------------------------------*/
main()
{
/*--------------绘底板----------------------*/
 int driver,mode;
 int i,j;
 driver=detect;
 initgraph(&driver,&mode,"");
 setcolor(red);
 line(300,0,5,120);
 line(300,0,595,120);
 line(5,120,595,120);
 setfillstyle(solid_fill,red);
 floodfill(300,100,red);
 setcolor(blue);
 line(65,120,535,120);
 line(65,120,65,470);
 line(535,120,535,470);
 line(65,470,535,470);
 line(125,120,125,470);
 line(475,120,475,470);
 line(125,410,475,410);
 setfillstyle(solid_fill,blue);
 floodfill(80,130,blue);
 setfillstyle(solid_fill,blue);
 floodfill(500,130,blue);
 setfillstyle(solid_fill,black);
 floodfill(300,450,blue);
/*-------------绘时间间隔符-----------------*/
 for(i=275;i<=305;i=i+30)
    {
      for(j=434;j<=442;j=j+8)
         {
           setcolor(white);
           setlinestyle(0,0,3);
           circle(i,j,1);
         }
    }
/*------------绘制光标----------------------*/
 setcolor(white);
 line(270,430,270,445);
/*-------------绘制表轴---------------------*/
 setlinestyle(0,0,3);
 circle(center_x,center_y,1);
/*-------------绘制表框---------------------*/
 setlinestyle(0,0,1);
 circle(center_x,center_y,radius+3);
/*--------------绘制分针刻度----------------*/
 for(i=0,minute=0;i<=59;i++,minute++)
    {
      minute_x=center_x+radius*sin(minute/30*pi);
      minute_y=center_y-radius*cos(minute/30*pi);
      setlinestyle(0,0,1);
      circle(minute_x,minute_y,1);
    }
/*--------------绘制时针刻度----------------*/
 setcolor(red);
 for(i=0,hour=0,minute=0;i<=11;i++,hour++)
    {
      hour_x=center_x+radius*sin((hour*60+minute)/360*pi);
      hour_y=center_y-radius*cos((hour*60+minute)/360*pi);
      setlinestyle(0,0,3);
      circle(hour_x,hour_y,1);

    }
/*--------------添加文本--------------------*/
 setcolor(green);
 outtextxy(283,50,"clock");
 outtextxy(320,110,"designed by zhang cheng jin");
 outtextxy(80,130,"help");
 outtextxy(70,150,"up:");
 outtextxy(78,168,"time++");
 outtextxy(70,216,"down:");
 outtextxy(78,234,"time--");
 outtextxy(70,286,"tab:");
 outtextxy(78,304,"move");
 outtextxy(70,356,"esc:");
 outtextxy(78,374,"exit");
 outtextxy(500,190,"no");
 outtextxy(490,215,"time");
 outtextxy(490,240,"like");
 outtextxy(495,265,"the");
 outtextxy(480,290,"present");
 outtextxy(500,315,"!");
/*----------调用函数-----------------------*/
 colockhandle();
/*-----------关闭图形----------------------*/
 closegraph();
/*-----------返回0，程序结束---------------*/
 return 0;
}

/*---------------------------时钟动画处理函数---------------------------------*/
void colockhandle()
{
  int key=0,count;
  setcolor(white);
/*----------------获取时间-------------*/
  gettime(time);
  hour=time[0].ti_hour;
  minute=time[0].ti_min;
/*----------------绘制分针-----------------*/
  minute_x=center_x+100*sin(minute/30*pi);
  minute_y=center_y-100*cos(minute/30*pi);
  line(center_x,center_y,minute_x,minute_y);
/*----------------绘制时针-----------------*/
  hour_x=center_x+80*sin((hour*60+minute)/360*pi);
  hour_y=center_y-80*cos((hour*60+minute)/360*pi);
  line(center_x,center_y,hour_x,hour_y);
/*----------------绘制数字时钟-------------*/
  digitalclock(255,435,digitalhour(hour));
  digitalclock(285,435,digitalminute(minute));

  setwritemode(1);
  for(count=2;key!=esc;)
       {
/*----------------绘制秒针-----------------*/
         setcolor(red);
         hour=time[0].ti_hour;
         minute=time[0].ti_min;
         second=time[0].ti_sec;

         second_x=center_x+120*sin(second/30*pi);
         second_y=center_y-120*cos(second/30*pi);
         line(center_x,center_y,second_x,second_y);
/*-----------------------------------------*/
         while(hour==time[0].ti_hour&&minute==time[0].ti_min&&second==time[0].ti_sec)
              {
                gettime(time);
                if(bioskey(1)!=0)
                  {
                    key=bioskey(0);
                    count=keyhandle(key,count);
                    if(count==5)
                      count=1;
                  }
              }
/*----------绘制数字时钟的秒---------------*/
         setcolor(white);
         digitalclock(315,435,digitalsecond(second)+1);
/*----------清除前一个秒针的图形-----------*/
         setcolor(red);
         second_x=center_x+120*sin(second/30*pi);
         second_y=center_y-120*cos(second/30*pi);
         line(center_x,center_y,second_x,second_y);

         setcolor(white);
/*---------对分针变化的处理----------------*/
         if(minute!=time[0].ti_min)
           {
             minute_x=center_x+100*sin(minute/30*pi);
             minute_y=center_y-100*cos(minute/30*pi);
             line(center_x,center_y,minute_x,minute_y);

             minute=time[0].ti_min;
             digitalclock(285,435,digitalminute(minute));
             minute_x=center_x+100*sin(minute/30*pi);
             minute_y=center_y-100*cos(minute/30*pi);
             line(center_x,center_y,minute_x,minute_y);

           }
/*----------对时针变化的处理 www.2cto.com ---------------*/
         if(hour!=time[0].ti_hour)
           {
             hour_x=center_x+80*sin((hour*60+minute)/360*pi);
             hour_y=center_y-80*cos((hour*60+minute)/360*pi);
             line(center_x,center_y,hour_x,hour_y);

             hour=time[0].ti_hour;
             digitalclock(255,435,digitalhour(hour));
             hour_x=center_x+80*sin((hour*60+minute)/360*pi);
             hour_y=center_y-80*cos((hour*60+minute)/360*pi);
             line(center_x,center_y,hour_x,hour_y);
           }
       }
}
/*------------------------数字时钟模块----------------------------------------*/
int digitalhour(double hour)
{
  int h;
  for(h=0;h<24;h++)
     {
       if(h==hour)
         {
           return h;
         }
     }
}

int digitalminute(double minute)
{
  int m;
  for(m=0;m<60;m++)
     {
       if(m==minute)
         {
           return m;
         }
     }
}

int digitalsecond(double second)
{
  int s;
  for(s=0;s<60;s++)
     {
       if(s==second)
         {
           return s;
         }
     }
}

void digitalclock(int x,int y,int clock)
{

  char buffer[10];
  setfillstyle(0,2);
  bar(x,y,x+14,449);
  if(clock==60)
    clock=0;
  sprintf(buffer,"%d",clock);
  outtextxy(x,y,buffer);
}
/*----------------------按键处理函数------------------------------------------*/
int keyhandle(int key,int count)
{
  switch(key)
        {
          case   up: up_key(count-1);
                     break;
          case down: down_key(count-1);
                     break;
          case  tab: clearcursor(count);
                     drawcursor(count);
                     count++;
                     break;
        }
  return count;
}
/*--------------------向上方向键函数------------------------------------------*/
int up_key(int count)
{
  if(count==1)
    {
      time[0].ti_hour--;
      if(time[0].ti_hour==24)
        time[0].ti_hour=0;
      settime(time);
    }

  if(count==2)
    {
      time[0].ti_min--;
      if(time[0].ti_min==60)
        time[0].ti_min=0;
      settime(time);
    }

  if(count==3)
    {
      time[0].ti_sec--;
      if(time[0].ti_sec==60)
        time[0].ti_sec=0;
      settime(time);
    }
}
/*--------------------向下方向键函数------------------------------------------*/
int down_key(int count)
{
  if(count==1)
    {
      time[0].ti_hour++;
      if(time[0].ti_hour==24)
        time[0].ti_hour=0;
      settime(time);
    }

  if(count==2)
    {
      time[0].ti_min++;
      if(time[0].ti_min==60)
        time[0].ti_min=0;
      settime(time);
    }

  if(count==3)
    {
      time[0].ti_sec++;
      if(time[0].ti_sec==60)
        time[0].ti_sec=0;
      settime(time);
    }
}
/*---------------------光标处理函数-------------------------------------------*/
void clearcursor(int count)
{ setcolor(white);
  switch(count)
        {
          case 2: line(270,430,270,445);
                  break;
          case 3: line(300,430,300,445);
                  break;
          case 1: line(330,430,330,445);
                  break;
        }
}

void drawcursor(int count)
{
  switch(count)
        {
          case 1: line(270,430,270,445);
                  break;
          case 2: line(300,430,300,445);
                  break;
          case 3: line(330,430,330,445);
                  break;
        }
}
/*----------------------------------------------------------------------------*/

 

摘自 wyzhangchengjin123