用C++编写的仿WINDOWS窗体时钟程序发表日期：2004年4月11日出处：eastboy 作者：eastboy 已经有1235位读者读过此文这是我在大学里学习C++时的课程设计，具有以下特点：1）仿WINDOWS界面，但无鼠标操作2）具整点报时功能，几点报几声3）可设置时间和日期当然还有一些地方做得不行，比如输入时的光标闪烁，放在这里的目的就是与大家共同学习，欢迎批评指正。
程序中注释的地方不是很多，但是我相信各位还是能看得明白的，呵呵！本人在此声明：此程序为本人原创，请还在上学的朋友勿抄袭！发表此程序完全为了交流经验，互相学习、探讨之用。
非常希望大家给我能提出宝贵意见。
源代码：/*******************************//* 时钟源程序 *//* 仿WINDOWS界面设计 *//* Turboc3下调试通过 *//* 包含两个源文件： *//* clock.cpp win.cpp *//*******************************/#include"stdio.h"#include"stdlib.h"#include"conio.h"#include"time.h"#include"string.h"#include"math.h"#include"dos.h"#include"bios.h"#include"win.cpp" //调用窗体显示#define TRUE 1#define FALSE 0#define PI 3.1415926void cursor(int x,int y) //光标{int count=0;while(count<=10){delay(20);count++;if(count<=5)setcolor(9);elsesetcolor(7);line(x,y,x,y+12);line(x+1,y,x+1,y+12);}}int keyscancode() //检测按键{int key;while(bioskey(1)==0) return 0;key=bioskey(0);key=key&0xff ? key&0xff:key;return(key);}void message(int x,int y,int n) //状态栏信息{char *msg[6]={"Press ESC to quit clock.", "Press T or t to set time.","Press D or d to set date.","Press ESC to cancel set.","Press Enter to confirm set.","Press BackSpace to delete a number."};setfillstyle(SOLID_FILL,LIGHTGRAY);bar(x,y,x+50*8,y+12);setcolor(10);outtextxy(x,y+2,msg[n]);}class CLOCK:public WIN //定义CLOCK为WIN的继承类{int hour,min,sec;int year,mon,day;int x,y,radio;float ak,aj,ai;int xs,ys,xm,ym,xh,yh;public:CLOCK(char *,int,int,int,int);int isleapyear(int);int isweek(int,int);void showclock();void runclock();void setclock();void inittodaydate();void initnowtime();void showdate();void hidedate();void pip();void showtime();void setdates();};//构造函数CLOCK::CLOCK(char *n,int a,int b,int c,int d):WIN(n,a,b,c,d){ x=a+130;y=b+155;radio=120;}int CLOCK::isleapyear(int year) //判断是否闰年{if(year%100!=0&&year%4==0)return TRUE;if(year%400==0)return TRUE;return FALSE;}int CLOCK::isweek(int year,int mon) //计算year年mon月1号的星期数{int days=0,week=0;int month[12]={31,28,31,30,31,30,31,31,30,31,30,31};if(isleapyear(year)) month[1]=29;else month[1]=28;for(int i=1;i<year;i++){days=365;if(isleapyear(i)) days=366;week=(days+week)%7;}for(i=0;i<mon-1;i++)week=(month[i]+week)%7;return week;}void CLOCK::setdates() //设置日期{struct date set;int key=0,count=0,index=0;int textx=x+140,texty=y+42,tcnt=0;char text[2];int dateset[10];setfillstyle(SOLID_FILL,LIGHTGRAY);bar(textx,texty,textx+150,texty+12);do{message(80+6,380-12,index+3);count++;index=count/10;if(count==29) count=0;runclock();key=keyscancode();cursor(textx,texty);if((key>='0'&&key<='9')&&tcnt!=10){ //限制按键，防止误操作if(tcnt<4||(tcnt==5&&key<='1')||((tcnt==6&&dateset[tcnt-1]==1&&key<='2')||(tcnt==6&&da teset[tcnt-1]==0))||(tcnt==8&&key<='3')||(tcnt==9)){sprintf(text,"%c",key);text[1]='\0';setcolor(LIGHTBLUE);outtextxy(textx,texty+2,text);dateset[tcnt]=key-'0';textx+=10;tcnt++;if((tcnt==4||tcnt==7)&tcnt!=10){outtextxy(textx,texty+2,"-");textx+=10;tcnt++;}}}if(key==8&&tcnt>0){if(tcnt==5||tcnt==8){tcnt-=2;textx-=20;}else{tcnt--;textx-=10; }setfillstyle(SOLID_FILL,LIGHTGRAY);bar(textx,texty,textx+8,texty+12);}}while(key!=13&&key!=27);if(key==27) return; //如果是ESC键，则退出设置if(key==13) //如果ENTER键，则设置日期{set.da_year=dateset[0]*1000+dateset[1]*100+dateset[2]*10+dateset[3];set.da_mon=dateset[5]*10+dateset[6];set.da_day=dateset[8]*10+dateset[9];setdate(&set);}}void CLOCK::setclock() //设置时间{struct time set;int key=0,count=0,index=0;int textx=x+140,texty=y+6,tcnt=0;char text[2];int timeset[8];setfillstyle(SOLID_FILL,LIGHTGRAY);bar(textx,texty,textx+150,texty+12);do{message(80+6,380-12,index+3);count++;index=count/10;if(count==29) count=0;key=keyscancode();cursor(textx,texty);if((key>='0'&&key<='9')&&tcnt!=8){ //限制按键，防止误操作if((tcnt==0&&key<='2')||((tcnt==1&&key<='3'&×et[tcnt-1]==2)||(tcnt==1&×et[t cnt-1]!=2))||(tcnt==3&&key<='5')||(tcnt==6&&key<='5')||tcnt==4||tcnt==7){sprintf(text,"%c",key);text[1]='\0';setcolor(9);outtextxy(textx,texty+2,text);timeset[tcnt]=key-'0';textx+=10;tcnt++;if((tcnt==2||tcnt==5)&&tcnt!=8) {outtextxy(textx,texty+2,":");textx+=10;tcnt++;}}}if(key==8&&tcnt>0){if(tcnt==3||tcnt==6){tcnt-=2;textx-=20;}else{tcnt--;textx-=10;}setfillstyle(SOLID_FILL,LIGHTGRAY);bar(textx,texty,textx+8,texty+12);}}while(key!=13&&key!=27);if(key==27) return;if(key==13){set.ti_hour=timeset[0]*10+timeset[1];set.ti_min=timeset[3]*10+timeset[4];set.ti_sec=timeset[6]*10+timeset[7];settime(&set);}}void CLOCK::showdate() //在窗体上显示日期{char nowdate[15];char days[4];char *week[7]={"Sun","Mon","Tue","Wed","Thu","Fri","Sat"};int month[12]={31,28,31,30,31,30,31,31,30,31,30,31};int dayx=x+135,dayy=y-88,todayweek=0,control;struct date d;getdate(&d);setcolor(12);for(int i=0;i<7;i++)outtextxy(x+i*8*4+135,y-100,week[i]);todayweek=isweek(d.da_year,d.da_mon); // 得到本月1号的星期数 if(todayweek+1!=7)for(i=1;i<=todayweek+1;i++) dayx=dayx+4*8;control=todayweek+1;if(isleapyear(d.da_year)) month[1]=29;else month[1]=28;setcolor(11);for(i=1;i<=month[d.da_mon-1];i++){control++;sprintf(days,"%3d",i);if(i==d.da_day) setcolor(LIGHTMAGENTA);outtextxy(dayx,dayy,days);setcolor(11);dayx=dayx+4*8;if(control%7==0) { dayx=x+135; dayy=dayy+12; } }todayweek=(todayweek+day)%7; //得到今天的星期数sprintf(nowdate,"%04d-%02d-%02d %s",d.da_year,d.da_mon,d.da_day, week[todayweek]);nowdate[14]='\0';setcolor(LIGHTBLUE);outtextxy(x+185,y-120,nowdate);if(d.da_year!=year||d.da_mon!=mon||d.da_day!=day) //如果日期改变了，则先隐藏日期，再显示hidedate();}void CLOCK::hidedate() //隐藏日期{inittodaydate();setfillstyle(SOLID_FILL,LIGHTGRAY); //抹去日期，如果日期改变了bar(x+135,y-90,x+135+6*8*4+3*8,y-90+12*6);bar(x+165,y-122,x+170+16*8+10,y-112);}void CLOCK::showtime() //显示时间{char nowtime[9];sprintf(nowtime,"%02d:%02d:%02d",hour,min,sec);nowtime[8]='\0';setcolor(14);outtextxy(x-30,y+82,nowtime);ak=(90+30*(12-hour)-min*5/60.*6)*PI/180; //时针角度aj=(90+6*(60-min))*PI/180; //分针角度ai=(90+6*(60-sec))*PI/180; //秒针角度xs=x+cos(ai)*(radio-10);ys=y-sin(ai)*(radio-10);xm=x+cos(aj)*(radio-25);ym=y-sin(aj)*(radio-25);xh=x+cos(ak)*(radio-45);yh=y-sin(ak)*(radio-45);setcolor(RED); //画时针setlinestyle(0,0,THICK_WIDTH);line(x-cos(ak)*(radio-118),y+sin(ak)*(radio-118),xh,yh);setlinestyle(0,0,NORM_WIDTH); //画时针在钟面上指示位置circle(x+cos(ak)*radio,y-sin(ak)*radio,2);setcolor(LIGHTGREEN);circle(x+cos(aj)*radio,y-sin(aj)*radio,2); //画分针在钟面上的指示位置line(x-cos(aj)*(radio-115),y+sin(aj)*(radio-115),xm,ym); //画分针setcolor(LIGHTBLUE);line(x-cos(ai)*(radio-110),y+sin(ai)*(radio-110),xs,ys); //画秒针circle(x+cos(ai)*radio,y-sin(ai)*radio,2); //画秒针在钟面上的指示位置}void CLOCK::runclock() //运行时钟{int h,m,s;float ah;struct time tim;gettime(&tim);s=tim.ti_sec;m=tim.ti_min;h=tim.ti_hour;ah=(90+30*(12-h)-m*5/60.*6)*PI/180;showdate();showtime();delay(200);nosound();if(ah!=ak) {setcolor(LIGHTGRAY);setlinestyle(0,0,THICK_WIDTH);line(x-cos(ak)*(radio-118),y+sin(ak)*(radio-118),xh,yh);setlinestyle(0,0,NORM_WIDTH);if(hour%5==0) setcolor(YELLOW);circle(x+cos(ak)*radio,y-sin(ak)*radio,2);setcolor(LIGHTGRAY);hour=h;}if(m!=min) {setcolor(LIGHTGRAY);line(x-cos(aj)*(radio-115),y+sin(aj)*(radio-115),xm,ym);if(min%5==0) setcolor(YELLOW);circle(x+cos(aj)*radio,y-sin(aj)*radio,2);min=m;}if(s!=sec) {setfillstyle(SOLID_FILL,LIGHTGRAY);bar(x-30,y+80,x-30+8*8,y+80+8);setcolor(LIGHTGRAY);if(sec%5==0) setcolor(YELLOW);circle(x+cos(ai)*radio,y-sin(ai)*radio,2);setcolor(LIGHTGRAY);line(x-cos(ai)*(radio-110),y+sin(ai)*(radio-110),xs,ys);sec=s;if(hour>=12) //整点报时h=hour-12;elseh=hour;if(min==59&&sec>=60-h)sound(392);if(min==00&&sec==00)sound(784);}showclock();}void CLOCK::inittodaydate() //初始化今天的日期{struct date initdate;getdate(&initdate);year=initdate.da_year;mon=initdate.da_mon;day=initdate.da_day;}void CLOCK::initnowtime() //初始化时间{struct time inittime;gettime(&inittime);hour=inittime.ti_hour;min=inittime.ti_min;sec=inittime.ti_sec;}void CLOCK::showclock() //显示时钟{float alpha;int x0,y0,i;char s[3];for(i=60;i>=1;i--) //显示钟面上数字{alpha=(90+6*(60-i))*PI/180;x0=x+cos(alpha)*radio;y0=y-sin(alpha)*radio;setcolor(14);if(i%5==0){circle(x0,y0,2);sprintf(s,"%d",i/5);outtextxy(x+cos(alpha)*(radio-10)-4,y-sin(alpha)*(radio-10)-2,s);}elsecircle(x0,y0,1);}}void about(int x,int y,int index) //关于与帮助信息{int i=0,t=0;char *abouttext[]={"You can get message from"," the status bar at the ","bottom.","When you set time,you just","input like this:080819.","The symbol ':' isn't needed.","Set date is the same.","This clock is designed by"," Nie Shiqiu.(C99102-07)", "I'm very interested in C/C++","This is my course design."};setfillstyle(SOLID_FILL,LIGHTGRAY);bar(x,y,x+27*8+6,y+4*12);t=index-3;if(index<4){y=y+(3-index)*12;t=0;}for(i=t;i<=index;i++){if(i<11){if(i==8) setcolor(RED); //名字着重显示else setcolor(LIGHTBLUE);outtextxy(x+2,y+2,abouttext[i]);}y+=12;}}void main() //主程序{int driver=DETECT,mode;int exitflag=FALSE,key,index=0,count=0,aboutindex=0,acnt=0;WIN winCLK("Clock",80,80,570,385); //创建窗体CLOCK c1("Clock",80,80,570,385);initgraph(&driver,&mode,"");winCLK.Form(FALSE);c1.showclock();c1.initnowtime();do{about(342,80+185+44,aboutindex);acnt++;aboutindex=acnt/10;if(acnt==139) acnt=0;message(80+6,380-12,index);count++;index=count/10;if(count==29) count=0;key=keyscancode();c1.runclock();if(key==27) exitflag=TRUE; //按ESC退出if(key=='T'||key=='t') {c1.showtime();c1.setclock();}if(key=='D'||key=='d') {c1.setdates();}}while(exitflag==FALSE);winCLK.draw_closebutton(570-18,80+4,BLACK,TRUE);delay(300);closegraph();}/*******************//* 窗体文件 win.cpp*//*******************/#include"graphics.h"#define TRUE 1#define FALSE 0class WIN{char title[20];protected:int left,top,right,bottom;public:WIN(char *n,int a,int b,int c,intd){strcpy(title,n);left=a;top=b;right=c;bottom=d;}void draw_minbutton(int left,int top,int color,int state);void draw_maxbutton(int left,int top,int color,int state);void draw_closebutton(int left,int top,int color,int state);void Form(int);void Button(int,int,int,int,int);void line3d(int,int,int,int,int);void Frame(int,int,int,int,char *);};void WIN::Frame(int left,int top,int right,int bottom,char *s){line3d(left,top+2,right,top+2,FALSE);line3d(left,top+3,left,bottom,FALSE);line3d(left,bottom,right,bottom,FALSE);line3d(right,top+2,right,bottom,FALSE);bar(left+4,top,left+4+8*strlen(s)+4,top+8);setcolor(10);outtextxy(left+5,top,s);}void WIN::line3d(int left,int top,int right,int bottom,int state) /*画有凹凸感的线条函数*/{if(state==FALSE){setcolor(0);line(left,top,right,bottom);setcolor(15);if(top==bottom){line(left,top+1,right,bottom+1);}if(left==right){line(left+1,top,right+1,bottom);} }else{ setcolor(15);line(left,top,right,bottom);setcolor(0);if(top==bottom){line(left,top+1,right,bottom+1);}if(left==right){line(left+1,top,right+1,bottom);} }}void WIN::Form(int state){Button(left,top,right,bottom,state);setfillstyle(1,1);bar(left+2,top+2,right-2,top+20);setcolor(YELLOW);circle(left+12,top+12,8);line(left+12,top+12,left+12,top+4);line(left+12,top+12,left+16,top+12);outtextxy(left+16+10,top+8,title);draw_minbutton(right-16*3-4,top+4,BLACK,FALSE);draw_maxbutton(right-16*2-3,top+4,BLACK,FALSE);draw_closebutton(right-18,top+4,BLACK,FALSE);Frame(left+5,top+25,left+255,top+278,"Time");Frame(left+260,top+25,right-5,top+25+20*6,"Date");line3d(left+280,top+25+20,right-25,top+25+20,FALSE);Frame(left+260,top+150,right-5,top+150+30,"SetTime(T)"); Button(left+265,top+160,right-8,top+150+25,TRUE);Frame(left+260,top+185,right-5,top+185+30,"SetDate(D)"); Button(left+265,top+195,right-8,top+185+25,TRUE);Button(left+4,bottom-20,right-4,bottom-4,TRUE);Frame(left+260,top+185+35,right-5,bottom-27,"About");}void WIN::Button(int left,int top,int right,int bottom,int state) {if(state==-1){setfillstyle(1,7);bar(left,top,right,bottom);}setfillstyle(1,7);bar(left,top,right,bottom);if(state==FALSE){setcolor(15);line(left,top,right,top);line(left,top,left,bottom);setcolor(0);line(left,bottom,right,bottom);line(right,top,right,bottom);setcolor(8);line(left+1,bottom-1,right-1,bottom-1);line(right-1,top+1,right-1,bottom-1);}if(state==TRUE){setcolor(8);line(left,top,right,top);line(left,top,left,bottom);setcolor(15);line(left,bottom,right,bottom);line(right,top,right,bottom);}}void WIN::draw_minbutton(int left,int top,int color,int state) {if(state==FALSE){Button(left,top,left+15,top+15,FALSE);setcolor(color);line(left+3,top+11,left+12,top+11);line(left+3,top+12,left+12,top+12);}else{Button(left,top,left+15,top+15,TRUE);setcolor(color);line(left+3,top+13,left+12,top+13);line(left+3,top+12,left+12,top+12);}}void WIN::draw_maxbutton(int left,int top,int color,int state) {if(state==FALSE){Button(left,top,left+15,top+15,FALSE);setcolor(color);rectangle(left+4,top+4,left+12,top+12);rectangle(left+4,top+5,left+12,top+12);}else{Button(left,top,left+15,top+15,TRUE);setcolor(color);rectangle(left+4,top+4,left+12,top+14);rectangle(left+4,top+3,left+12,top+14);}}void WIN::draw_closebutton(int left,int top,int color,int state) {if(state==FALSE){Button(left,top,left+15,top+15,FALSE);setcolor(color);line(left+4,top+4,left+12,top+12);line(left+5,top+4,left+13,top+12);line(left+4,top+12,left+12,top+4);line(left+5,top+12,left+13,top+4);}else{Button(left,top,left+15,top+15,TRUE);setcolor(color);line(left+4,top+4,left+12,top+12);line(left+5,top+4,left+13,top+12);line(left+4,top+12,left+12,top+4);line(left+5,top+12,left+13,top+4);}}为什么在我的电脑上运行时出现 BGI Error:Graphics not initialized (use 'initgraph') 请问怎样解决？把BGI驱动文件（如egavga.bgi）和编译后的程序拷到同一目录下就行了！写的不错，不过程序的可读性有待提高, 如这一行if(key==27) return; //如果是ESC键，则退出设置如果没有注解，没人知道key==27是在干什么不过我建议作者添加一个宏#define KEY_ESC 27谢谢！当时为了省事，图个简单，就忽略了！呵呵！。
