Phone Directory System Project in C++

Questions:

Phone Directory System Project in C++

Explanation:

Below mention code is compiled in Turbo C++ or C and output snap is attached.. If any problem you feel and want explanation feel free to contact.

Code:

/**************************************************|

/*************C++ Programs And Projects************|

***************************************************/

// TELEPHONE DIRECTORY SYSTEM

#include<iostream.h>

#include<fstream.h>

#include<iomanip.h>

#include<string.h>

#include<stdlib.h>

#include<conio.h>

#include<stdio.h>

#include<iomanip.h>

#include<graphics.h>

#include<dos.h>

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"<<name<<"\n";

cout<<"             ADDRESS   :"<<"\t"<<address<<"\n";

cout<<"             Ph_No     :"<<"\t"<<ph_no<<"\n";

            }

void main()

         {

int gdriver = DETECT, gmode, errorcode;

int x,y;

int midx,midy;

          /* initialize graphics and local variables */

initgraph(&gdriver, &gmode, "c:\\turboc3\\bgi");

                     /* read result of initialization */

errorcode = graphresult();

if (errorcode != grOk)  /* an error occurred */

     {

printf("Graphics error: %s\n", grapherrormsg(errorcode));

printf("Press any key to halt:");

getch();

exit(1); /* terminate with an error code */

closegraph();

        }

y:

char*pass="RPV";

char*ppass;

gotoxy(25,8);

int size=7;

settextstyle(7,0,size);

setbkcolor(BLUE);

setcolor(WHITE);

outtextxy(180,50,"WELCOME" );

setcolor(WHITE);

outtextxy(250,200,"TO");

settextstyle(8,0,5);

setfillstyle(1,DARKGRAY);

setcolor(WHITE);

outtextxy(60,350,"\n\nTELEPHONE DIRECTORY");

getch();

clearviewport();

settextstyle(3,0,4);

settextstyle(7,0,4);

getch();

clearviewport();

g:

ppass=getpass("ENTER THE PASSWORD::");

if(strcmpi(pass,ppass)!=0)

       {

cout<<"\n\t\t\tIncorrect password";

cout<<"\n\t\t\tTry again";

getchar();

goto g;

     }

else

     {

stud s;

char name[20];

char name1[20];

int ch;

clrscr();

setbkcolor(BLUE);

setcolor(YELLOW);

closegraph();

z:

cout<<"\n\n\n\n\n\n\n\n\n";

initgraph(&gdriver, &gmode,"c:\\turboc3\\bgi");

setcolor(BLUE);

rectangle(60,10,600,400);

setfillstyle(1,YELLOW);

bar(61,11,599,399);

outtextxy(200,30," HELP -> 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     :"<<s.name;

 cout<<"\n                 address   :"<<s.address;

 cout<<"\n                 phone_no    :"<<s.ph_no;

  getchar();

}

}while(f);

 f.close();

 settextstyle(7,0,1);

 outtextxy(250,410,"Do You Want To Continue:");

 ans=getchar();

 if(ans=='Y'||ans=='y')

 goto z;

 else

 {

 closegraph();

 break;

 }

       case 4:  //for the modification

       {

         clrscr();

         char ans;

         fstream 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 person ph_no whose record to be changed  :";

         cin>>ph_no;

         do

           {

             f.read((char *)&s,sizeof(s));

             if(f.eof()==1) {break;}

             if(s.ph_no==ph_no)

             {

              cout<<"\n                Current Name       :"<<s.name;

              cout<<"\n                Current Address    :"<<s.address;

              cout<<"\n                Current Phone No   :"<<s.ph_no;

              getchar();

              cout<<"\n                Enter the new name :";

              cin>>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;

                     }

              }

     }

}

Output:

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