C++

C++ Project on Telephone Directory System

TELEPHONE DIRECTORY SYSTEM

// TELEPHONE DIRECTORY SYSTEM



#include
#include
#include
#include
#include
#include
#include
#include
#include
#include



class stud



{




public:



char name[20];



char address[20];



unsigned int ph_no;



void get(void);



void show(void);



void modify(void);



};




void stud::get(void)



 {




int i=0;



cout< <”\n             Enter name -> “;



cin.get(name[i]);



while(name[i]!=‘\n’)



{




i=i+1;



cin.get(name[i]);



}




cin.getline(name,20,‘\n’);



cout< <”             Enter address	-> “;



cin.getline(address,20,‘\n’);



fflush(stdin);



cout< <”             Enter ph_no\t-> \t”;



cin>>ph_no;



fflush(stdin);



     }




void stud::show(void)



   {




cout< <”\n”;



cout<<”             NAME      :”<<”\t”< PRESS ANY KEY 1 TO 6 “ );



settextstyle(TRIPLEX_FONT ,HORIZ_DIR,4);



outtextxy(220,50,”\n\n1. TO ADD “ );



setcolor(BLUE);



settextstyle(TRIPLEX_FONT,HORIZ_DIR,4);



outtextxy(220,100,”\n\n2. TO SHOW “ );



setcolor(BLUE);



settextstyle(TRIPLEX_FONT,HORIZ_DIR,4);



outtextxy(220,150,”\n\n3. TO SEARCH “ );



setcolor(BLUE);



settextstyle(TRIPLEX_FONT,HORIZ_DIR,4);



outtextxy(220,200,“4.\n\n TO MODIFY ” );



setcolor(BLUE);
   settextstyle(TRIPLEX_FONT,HORIZ_DIR,4);
   outtextxy(220,250,"\n\n\n5. TO DELETE " );
setcolor(BLUE);
   settextstyle(TRIPLEX_FONT,HORIZ_DIR,4);
   outtextxy(220,300,"\n\n\n6. TO EXIT " );

     settextstyle(TRIPLEX_FONT,HORIZ_DIR,3);

     outtextxy(220,350," Enter the choice ->");

	gotoxy(62,23);

     cin>>ch;

 switch(ch)
 {
case  1:  //responsible for addition of record
 {
  clrscr();

  fstream f;

  f.open("rec",ios::in|ios::out|ios::ate|ios::app|ios::binary);
  char ans;

   s.get();
  f.write((char *)&s,sizeof(s));
  clrscr();
  outtextxy(250,360, "   Do you want to continue:- ");
  ans=getche();
  if(ans=='Y' || ans=='y'){goto z;}
  f.close();

  break;
 }
case  2:  // will show all the contents of the file
 {
   clrscr();
   cout< <"\n\n";
   fstream f;
   f.open("rec",ios::in|ios::out|ios::ate|ios::app|ios::binary);

   f.seekg(0);
   int ctr=0;

   while(f.read((char *)&s,sizeof(s)) )
     {
	 ctr=ctr+1;

	 if(ctr==8) {getchar(); clrscr();ctr=0;}
	 s.show();

	 if(f.eof()==1)
	 {break;}
	 }
	   f.close();
     outtextxy(240,350, "   Do you want to continue :-");

   char ans;
   ans=getche();
   if(ans=='y'|| ans=='Y'){
		     closegraph();
   goto z;}else{exit(1);}


 }




case 3: // search
{



gotoxy(60,25);
 clearviewport();
 rectangle(10,10,630,470);
 setbkcolor(DARKGRAY);
 textbackground(3);
 textcolor(5);
 clrscr();
 char ans;
 ifstream f;
 stud s;
 char name[20];
 char address[20];
 unsigned int ph_no;
 f.open(“rec”,ios::in|ios::binary);
 cout<<”\n\n\n  Enter  name  whose record to be search  :“;
 cin>>name;
 do
 {
 f.read((char *)&s,sizeof(s));
 if(f.eof()==1) {break;}
 if(strcmpi(s.name,name)==0)
 {
 cout< <”\n                 Name     :”<>ph_no;



  do
    {
      f.read((char *)&s,sizeof(s));
      if(f.eof()==1) {break;}

      if(s.ph_no==ph_no)
      {
       cout< <"\n                Current Name       :"<>name;
       cout< <"\n                Enter the city     :";
       cin>>address;
       cout< <"\n                Enter new ph_no    :";
       cin>>ph_no;
       strcpy(s.name,name);
       strcpy(s.address,address);
       s.ph_no=ph_no;
       int l=f.tellg();
       f.close();
       f.open("rec",ios::out|ios::binary|ios::ate);
       f.seekg(l-sizeof(s));
       f.write((char *)&s,sizeof(s));
      }
     }while(f);
  f.close();
   outtextxy(290,360, "   Do you want to continue :-");
  ans=getche();
  if(ans=='Y'||ans=='y')
  {goto z;}
  break;
}


case 5:  //responsible for the deletion of the record
   {
   clrscr();
   char name[20];
   stud s;
    ifstream fin;
  fstream fout;
fin.open("rec",ios::in|ios::binary);
  fout.open("va",ios::app|ios::binary);
 cout< <"\n \t\t\t  DELETING :-";
  int i;
  fflush(stdin);
  cout<<"\n\n      Enter the name  :-  ";
cin.get(name[i]);
while(name[i]!='\n')
{
 i=i+1;
 cin.get(name[i]);

}

  fflush(stdin);
  fflush(stdout);
cin.getline(name,20,'\n');
 while(fin)
   {
     fin.read((char *)&s,sizeof (s));
	if(strcmp(s.name,name)==0)
      {fout.read((char *)&s,sizeof(s));
	       }
     else
       {
	if(fin.eof()==1) {break;}
	fout.write((char *)&s,sizeof(s));
       }
   }
   fin.close();
   fout.close();
   system("del rec");
   system("ren va rec");
   cout<<"\n      Enter is get Deleted:-";
   getchar();

   char ans;
    outtextxy(240,340, "   Do you want to continue:- ");
   ans=getche();
   if (ans=='y' || ans=='Y')
{goto z;}
else
if (ans=='n' || ans=='N')
{getchar();
exit(1);
}
     }




case 6:



{
clearviewport();
outtextxy(250,360,"THE END OF THE PROJECT:-");
outtextxy(260,390,"\n \n\n\n\n PLEASE PRESS ENTER");
getchar();
closegraph();
 exit(1);

   }
   default:
   goto z;
		}
	}
 }




}

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