学生管理.c

/*** *** *** *****/ /* Turbo C2.0下运行通过 */ /* 一个和学生管理有关的程序

    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;