编程建立一个成绩管理系统，其中存放有学生学号、姓名、性别、英语、数学、计算机等成绩，系统要求具有对数据进行添加、修改、删除、计算（平均成绩、最高分、排序等）等功能。要求系统界面友好（菜单形式）。

建议用MFC

鄙人在网上看到过一个 给你看看 没有改他的 你自己改吧：
#include<graphics.h>
#include<process.h>
#include<stdlib.h>
#include<alloc.h>
#include<ctype.h>
#include<math.h>
#include<stdio.h>
#include<dos.h>
#include<stdlib.h>
#define TRUE 1
#define FALSE 0
#define KB_LEFT 75
#define KB_RIGHT 77
#define KB_ENTER 28
#define KB_Q 16
#define pi 3.1415926
#define COLOR1 WHITE
#define COLOR2 YELLOW
int MaxColor;
int n=0;
int get_key();
int choice(int x,int y);
int get_item(int,int);
int adin(int ch,int n);
void *gb;
void kitty()
{ int gdriver=VGA,gmode=VGAHI;
int i,j,x[40],y[40];
initgraph(&gdriver,&gmode,"e:\\tc");
cleardevice();
setcolor(3);
setfillstyle(LTBKSLASH_FILL,3);
ellipse(350,270,0,360,240,160);
floodfill(350,270,3);
setcolor(14);
moveto(420,310);
lineto(300,450);
lineto(540,450);
lineto(420,310);
setfillstyle(SOLID_FILL,14);
floodfill(420,380,14);
setcolor(RED);
circle(420,250,120);
setfillstyle(SOLID_FILL,WHITE);
floodfill(420,250,RED);
setcolor(BLACK);
circle(350,240,10);
circle(490,240,10);
setfillstyle(SOLID_FILL,BLACK);
floodfill(350,240,BLACK);
floodfill(490,240,BLACK);
setcolor(12);
circle(340,270,14);
circle(500,270,14);
setfillstyle(BKSLASH_FILL,4);
floodfill(340,260,12);
floodfill(500,260,12);
setcolor(BLACK);
setfillstyle(SOLID_FILL,RED);
fillellipse(410,130,50,80);
fillellipse(510,150,50,80);
setcolor(0);
circle(505,150,35);
circle(415,130,35);
setfillstyle(SOLID_FILL,BLACK);
floodfill(505,150,0);
floodfill(415,130,0);
setcolor(6);
circle(460,140,30);
setfillstyle(SOLID_FILL,0);
floodfill(460,140,6);
setcolor(4);
arc(420,300,225,315,20);
ellipse(420,321,170,365,6,10);
setfillstyle(SOLID_FILL,4);
floodfill(420,330,4);
circle(200,60,40);
circle(162,88,40);
circle(238,88,40);
circle(176,132,40);
circle(224,132,40);
circle(100,170,30);
circle(129,191,30);
circle(71,191,30);
circle(82,224,30);
circle(118,224,30);
circle(100,200,6);
setfillstyle(SOLID_FILL,14);
floodfill(200,60,4);
floodfill(162,88,4);
floodfill(238,88,4);
floodfill(176,132,4);
floodfill(224,132,4);
setfillstyle(SOLID_FILL,5);
floodfill(100,170,4);
floodfill(129,191,4);
floodfill(71,191,4);
floodfill(82,224,4);
floodfill(118,224,4);
setcolor(0);
circle(200,100,10);
setfillstyle(SOLID_FILL,15);
floodfill(200,100,0);
setcolor(7);
ellipse(330,380,0,360,50,15);
ellipse(510,380,0,360,50,15);
setfillstyle(SOLID_FILL,12);
floodfill(330,380,7);
floodfill(510,380,7);
setcolor(8);
circle(270,380,20);
circle(570,380,20);
setfillstyle(SOLID_FILL,15);
floodfill(270,380,8);
floodfill(570,380,8);
setcolor(3);
circle(360,459,20);
circle(480,459,20);
setfillstyle(SOLID_FILL,15);
floodfill(360,451,3);
floodfill(480,451,3);
settextjustify(0,2);
settextstyle(4,0,3);
setcolor(14);
for(i=0;i<30;i++)
y[i]=15*i+10;
for(j=0;j<30;j++)
{arc(10,y[j],0,180,5);
arc(20,y[j],0,180,5);
ellipse(15,y[j],180,360,10,15);
arc(620,y[j],0,180,5);
arc(610,y[j],0,180,5);
ellipse(615,y[j],180,360,10,15);delay(2000);
}
for(i=0;i<=30;i++)
x[i]=20*i+15;
for(j=0;j<=30;j++)
{arc(x[j]-5,10,0,180,5);
arc(x[j]+5,10,0,180,5);
ellipse(x[j],10,180,360,10,15);
arc(x[j]-5,445,0,180,5);
arc(x[j]+5,445,0,180,5);
ellipse(x[j],445,180,360,10,15);delay(2000);
}
setcolor(12); settextstyle(0,0,3);
outtextxy(200,20,"Hi,this a wondful place!");
delay(15000);
setcolor(13);
outtextxy(60,380,"You are welcome");
getch();
closegraph() ;
}

void goodbyer(void)
{ int gdriver=VGA,gmode=VGAHI;
long t;
struct palettetype pt;
int x,c=COLOR1;int k;int i,j;
unsigned size;void *buf,*bike;
initgraph(&gdriver,&gmode,"e:\\tc");
cleardevice(); setbkcolor(9);
setcolor(14);
setfillstyle(SOLID_FILL,14);
moveto(160,40); lineto(163,47);
lineto(170,47); lineto(164,51);
lineto(166,58);lineto(160,54); lineto(154,58);
lineto(155,51); lineto(150,47); lineto(157,47);
lineto(160,40);
floodfill(160,43,14);
size=imagesize(160,40,166,60);buf=malloc(size);
if(buf) getimage(160,40,166,60,buf);
cleardevice();
setcolor(12);
setlinestyle(0,0,3);
circle(530,390,60);
moveto(530,330);
lineto(540,315);
ellipse(542,305,0,360,20,6);
circle(327,350,100);
moveto(327,350);lineto(530,390);
arc(327,350,45,115,105);
moveto(335,246);lineto(342,216);
moveto(314,209);
lineto(370,215);
moveto(449,375);
lineto(440,402);
ellipse(440,409,0,360,15,5);
for(i=0;i<=12;i++)
{
moveto(327,350);
lineto(cos(i*pi/6)*100+327,350-sin(i*pi/6)*100);
}
for(i=0;i<=12;i++)
{moveto(530,390);
lineto(cos(i*pi/6)*60+530,390-sin(i*pi/6)*60);
}
bike=malloc(imagesize(200,180,630,460));
if(bike) getimage(200,180,630,460,bike);
/* for(;!kbhit();)
for(x=200;x>=20;x-=50)
{
putimage(x,180,bike,XOR_PUT);
delay(500);
putimage(x-50,180,bike,COPY_PUT);
}*/
setcolor(7);
setfillstyle(SOLID_FILL,7);
arc(100,100,173,277,50);
arc(80,120,140,310,40);
floodfill(46,140,7);
for(;!kbhit();)
for(x=50;x<=600;x+=30)
{
putimage(x+9,40,buf,COPY_PUT);
delay(1500);
putimage(x+9,40,buf,XOR_PUT); }

for(x=200;x>=20;x-=50)
{
putimage(x,180,bike,XOR_PUT);
delay(1000);
putimage(x-50,180,bike,COPY_PUT);
}
delay(10000);
gettime(&t);
srand(t);
MaxColor=getmaxcolor();
getpalette(&pt);
settextjustify(CENTER_TEXT,CENTER_TEXT);
show_char();
for(i=0;i<640;i+=10)
{ setfillstyle(1,c=c==COLOR2?COLOR1:COLOR2);
bar(i,100,i+10,110);
}
for(i=110;i<300;i+=10)
{setfillstyle(1,c=c==COLOR2?COLOR1:COLOR2);
bar(i,100,i+10,110);
}
for(i=630;i>=0;i-=10)
{setfillstyle(1,COLOR2?COLOR1:COLOR2);
bar(i,300,i+10,310 ) ;
}
for(i=290;i>100;i-=10)
{setfillstyle(1,c=c==COLOR2?COLOR1:COLOR2);
bar(0,i,10,i+10);
}
setfillstyle(SOLID_FILL,0);
for(;!kbhit();)
{show_char() ;
for(k=0;k<8;k++)
{setpalette(COLOR1,k&1?pt.colors[COLOR1]:pt.colors[COLOR2]);
setpalette(COLOR2,k&1?pt.colors[COLOR2]:pt.colors[COLOR1]);
if(k<8) for(i=1;i++<30000;) for(j=1;j++<2;) ;
}
}
getch();
getch();
closegraph();
}
show_char()
{static int font=0;
int c=random(MaxColor+1);
static font_size[]={7,10,20,10,10,10};
if(c!=BLACK) setcolor(c);
else setcolor(random(MaxColor+1));
bar(10,110,630,300);
settextstyle(font,HORIZ_DIR,font_size[font]);
setfillstyle(1,11);
fillellipse(315,185,175,55);
outtextxy(310,200,"Good");delay(10000);
setfillstyle(1,14);
fillellipse(315,185,175,55);
setcolor(5); outtextxy(310,200,"Bye"); delay(10000);
setfillstyle(1,10);fillellipse(315,185,175,55);
setcolor(13);outtextxy(310,200,"See"); delay(10000);
setfillstyle(1,12); fillellipse(315,185,175,55); setcolor(14);
outtextxy(310,200,"You");
settextstyle(1,0,5);
setcolor(5);
outtextxy(100,260,"T");delay(1500);
outtextxy(130,260,"h");delay(1500);
outtextxy(160,260,"a");delay(1500);
outtextxy(190,260,"n"); delay(1500);
outtextxy(220,260,"k");delay(1500);
outtextxy(250,260,"s");delay(1500);
outtextxy(290,260,"V");delay(1500);
outtextxy(320,260,"e");delay(1500);
outtextxy(350,260,"r");delay(1500);
outtextxy(380,260,"y");delay(1500);
outtextxy(420,260,"M");delay(1500);
outtextxy(450,260,"u");delay(1500);
outtextxy(480,260,"c");delay(1500);
outtextxy(510,260,"h");delay(1500);
setcolor(14);
arc(60,270,60,120,10);arc(530,270,60,120,10); delay(10000);
arc(80,270,60,120,10);arc(550,270,60,120,10); delay(10000);
arc(70,272,240,300,10); arc(540,272,240,300,10);
font=(font+1)%5;
}
main()
{
int driver=VGA,mode=VGAHI,flag=0;
int ad[640];
int row,item_num,i,ch,y,n,data,done,k;
float da;
unsigned size;
kitty();
for(i=0;i<640;i++)
ad[i]=580/2;

while(!flag)
{
driver=VGA;
mode=VGAHI;
initgraph(&driver,&mode,"e:\\tc\\");
setcolor(YELLOW);
setfillstyle(1,YELLOW);
fillellipse(51,50,50,20);
size=imagesize(1,10,101,70);
if(size!=1)
gb=malloc(size);

setfillstyle(1,YELLOW);
fillellipse(51,50,50,20);
getimage(1,10,101,70,gb);

setcolor(YELLOW);
rectangle(0,0,639,479);
rectangle(0,457,639,479);
setfillstyle(1,LIGHTBLUE);
bar(1,458,638,478);
setcolor(BLUE);
outtextxy(90,467," his is a wonderful place! welcome!! ");
setcolor(RED);
outtextxy(90,467,"T");

setcolor(LIGHTGREEN);
line(1,5,639,5);
line(1,1,1,50);
line(639,1,639,30);
setcolor(LIGHTRED);
line(1,73,639,73);
line(1,76,639,76);
setfillstyle(1,BLACK);
/*setcolor(BLUE);
rectangle(2,2,634,40);*/
/* bar(2,2,637,39);*/

item_num=6;

setcolor(LIGHTGREEN);
for(k=0;k<item_num;k++)
{ ellipse(51+107*k,50,0,360,50,20);
floodfill(2,42,LIGHTGREEN);
}

settextstyle(1,HORIZ_DIR,4);
setcolor(LIGHTGREEN);
outtextxy(200,1,"how do you do !");

settextstyle(0,HORIZ_DIR,1);
setcolor(WHITE);
outtextxy(40,50," rite");
outtextxy(150,50," ist");
outtextxy(245,50," ort");
outtextxy(358,50," ictr");
outtextxy(460,50," aker");
outtextxy(570,50," uit");

setcolor(LIGHTRED);
outtextxy(22,50,"(W)");
outtextxy(132,50,"(L)");
outtextxy(228,50,"(S)");
outtextxy(340,50,"(P)");
outtextxy(442,50,"(M)");
outtextxy(552,50,"(Q)");

/* putimage(1,10,gb,XOR_PUT);*/
/* setcolor(WHITE);*/
row=0;
done=FALSE;
do
{
row=get_item(row,item_num);
switch(row)
{
case 0:
setfillstyle(1,BLACK);
bar(2,77,638,455);
shuru();break;
case 1:
setfillstyle(1,BLACK);
bar(2,77,638,455);
shuchu();break;
case 2:
setfillstyle(1,LIGHTGREEN);
bar(2,77,638,455);
sort();break;
case 3:
setfillstyle(1,BLACK);
bar(2,77,638,455);
pic();break;
case 4:
setfillstyle(1,LIGHTBLUE);
bar(2,77,638,455);
maker();break;
case 5:
done=TRUE;
goodbyer();
delay(50000);
closegraph();
exit(0);
}
if(flag)
{flag=0;break;}
}while(!done);
}
restorecrtmode();
}

int get_item(int row,int item_num)
{
int key,done;
done=FALSE;
do
{
key=get_key();
switch(key)
{ case KB_ENTER:
done=TRUE;break;
case KB_RIGHT:

putimage(1+row*107,10,gb,XOR_PUT);
if(row==item_num-1) row=0;
else row+=1;
putimage(1+row*107,10,gb,XOR_PUT);
break;
case KB_LEFT:
putimage(1+row*107,10,gb,XOR_PUT);
if(row==0) row=item_num-1;
else row-=1;
putimage(1+row*107,10,gb,XOR_PUT);
break;
case KB_Q:
if(row!=5)
{ putimage(1+row*107,10,gb,XOR_PUT);
row=5;
putimage(1+row*107,10,gb,XOR_PUT);}
done=TRUE;break;
default:break;
}
}while(!done);
return row;
}

int get_key()
{
union REGS rg;
rg.h.ah=0;
int86(0x16,&rg,&rg);
return rg.h.ah;
}
int show(int ch,int n)
{ int a;
a=(int)(10*(ch/2+1)*sin(2*3.14*n*(ch/2+2)/630));
return a;
}

maker()
{settextstyle(1,HORIZ_DIR,4);
setcolor(LIGHTGREEN);
line(320,75,1,250);
line(1,250,320,455);
line(320,455,639,250);
line(639,250,320,75);
/* ellipse(320,250,0,360,300,100);*/
setcolor(YELLOW);
outtextxy(150,180,"Maker : CHEN JUNYU");
delay(30000);
setcolor(5);
outtextxy(220,240,"Class : 99.5");
delay(30000);
setcolor(15);
outtextxy(181,300,"Data : 2000-7-10");
arc(50,140,60,120,30);
arc(100,140,60,120,30);
arc(75,120,240,300,40);
setcolor(LIGHTRED);
settextstyle(0,0,2);
outtextxy(20,330,"please ");
outtextxy(20,365,"give me");
outtextxy(20,400,"high marks!");
delay(10000);
setcolor(15);
arc(590,80,240,300,30);
arc(540,80,240,300,30);
arc(565,180,60,120,30);
setcolor(14);
outtextxy(540,330,"please");
outtextxy(510,365,"do not");
outtextxy(450,400,"make me cry!");
}

help()
{settextstyle(1,HORIZ_DIR,8);
outtextxy(150,240,"HELP");}

struct student
{char num[8];
char name[20];
int score;
} stu[20],change;

shuru()
{int i,c;
FILE * fp;
settextstyle(2,HORIZ_DIR,5);setcolor(BLACK);
for(i=n;;i++)
{n=n+1;
setfillstyle(1,YELLOW);
bar(2,73,638,455);
outtextxy(170,80,"Now you are inputing information.");

gotoxy(15,10);printf("Input student %d message:",i+1);

gotoxy(22,12);printf(" Num :");
gotoxy(32,12); setcolor(BLUE);scanf("%s",stu[i].num);
setcolor(BLACK);

gotoxy(22,14);printf(" Name:");
gotoxy(32,14);scanf("%s",stu[i].name);
gotoxy(22,16);printf("Score:");

gotoxy(32,16);scanf("%d",&stu[i].score);
outtextxy(110,275,"Enter 'S' to stop input and other key continue...");
c=getch();
if(c=='s'||c=='S')
{setcolor(YELLOW);
outtextxy(180,360,"The light-strip can move now.");
outtextxy(190,380,"You can do other program!");
outtextxy(225,410,"< List or Sort >");
settextstyle(1,HORIZ_DIR,4);
outtextxy(240,310,"STOP!");
break;}
}
fp=fopen("c:\\s.txt","w");
for(i=0;i<n;i++)
if(fwrite(&stu[i],sizeof(struct student),1,fp)!=1)
printf("file write error!\n");
fclose(fp);
}

shuchu()

{int i;
FILE *fp;
setcolor(LIGHTRED);
if((fp=fopen("c:\\s.txt","r"))==NULL)
{settextstyle(1,HORIZ_DIR,2);
outtextxy(110,70,"ERROR !");}
settextstyle(1,HORIZ_DIR,2);
outtextxy(210,75,"The Students` Data");
for(i=0;fread(&stu[i],sizeof(struct student),1,fp)!=0;i++)
{gotoxy(22,9+2*i);printf("%s",stu[i].num);
gotoxy(35,9+2*i);printf("%s",stu[i].name);
gotoxy(57,9+2*i);printf("%d",stu[i].score);
outtextxy(135,125+32*i,"|");outtextxy(250,125+32*i,"|");
outtextxy(420,125+32*i,"|");outtextxy(490,125+32*i,"|");
outtextxy(140,105,"-------------------------");
outtextxy(140,140+32*i,"-------------------------");}
fclose(fp);
}

sort()
{FILE *fp;
int i,j;
settextstyle(1,HORIZ_DIR,2);setcolor(LIGHTBLUE);
fp=fopen("c:\\s.txt","r");
for(i=0;i<n;i++)
for(j=i+1;j<n;j++)
if(stu[i].score<stu[j].score)
{change=stu[i];stu[i]=stu[j];stu[j]=change;}
outtextxy(210,75,"The sort permition");
fp=fopen("c:\\s_sort.txt","w");
for(i=0;i<n;i++)
{fwrite(&stu[i],sizeof(struct student),1,fp);
gotoxy(22,9+2*i);printf("%s",stu[i].num);
gotoxy(35,9+2*i);printf("%s",stu[i].name);
gotoxy(57,9+2*i);printf("%d",stu[i].score);
outtextxy(135,125+32*i,"|");outtextxy(250,125+32*i,"|");
outtextxy(420,125+32*i,"|");outtextxy(490,125+32*i,"|");
outtextxy(140,105,"-------------------------");
outtextxy(140,140+32*i,"-------------------------");}
fclose(fp);
}
pic()
{int h,i,j;double z;double sum=0;double y=0;double x=0;double per;
FILE *fp;
fp=fopen("c:\\s.txt","r");
setcolor(YELLOW);settextstyle(1,HORIZ_DIR,2);
outtextxy(10,90,"The picture of students`");
outtextxy(10,120,"score proportion :");
for(i=0;i<n;i++)
{sum=sum+stu[i].score;}
for(j=0;j<n;j++)
{z=360*stu[j].score/sum;
setcolor(j+1);setfillstyle(XHATCH_FILL,j+1);
y=y+z;
pieslice(310,230,x,y,100);x=y;}
for(h=0;h<n;h++)
{per=100*stu[h].score/sum;
setcolor(h+1);
setfillstyle(XHATCH_FILL,h+1);
pieslice(40+73*h,390,45,135,50);
/*setfillstyle(XHATCH_FILL,h+1);
bar3d(30+73*h,360,40+73*h,380,15,1);*/
gotoxy(5+9*h,25);printf("%.1f%",per);}
fclose(fp);
}
int x=-40,y;
int radiu=40;