Creation Of Telephone Directory

An important IT project for students. A program on electronic dairy that can be efficiently used as a telephone directory.
Code :<br /> /*************************************************************************<br /> PROJECT ON ELECTRONIC DAIRY</p> <p>MADE BY:-<br /> DIVYA BATRA<br /> XII-A</p> <p>**************************************************************************<br /> /</p> <p>/*************************************************************************<br /> HEADER FILE FUNCTIONS</p> <p>process.h exit()<br /> dos.h delay()<br /> conio.h clrscr()<br /> gotoxy()<br /> textbackground()<br /> textcolor()<br /> getch()<br /> stdio.h gets()<br /> string.h strcmp()<br /> fstream.h open()<br /> close()<br /> **************************************************************************<br /> */<br /> #include<process.h><br /> #include<dos.h><br /> #include<conio.h><br /> #include<fstream.h><br /> #include<stdio.h><br /> #include<string.h></p> <p>//************************************************************************<br /> **<br /> // Structure of telephone directory<br /> //************************************************************************<br /> **</p> <p>struct tel<br /> {<br /> char telno[20];<br /> char name[20];<br /> char add[20];<br /> }s;</p> <p>//************************************************************************<br /> **<br /> // Functions<br /> //************************************************************************<br /> **</p> <p>void display(void);<br /> void enquiryt(void);<br /> void enquiryn(void);<br /> void delet(void);<br /> void option(void);<br /> void des(void);<br /> void box_fill(void);</p> <p>//************************************************************************<br /> **<br /> // Main Function<br /> //************************************************************************<br /> **</p> <p>main()<br /> {<br /> clrscr();<br /> textbackground(3);<br /> textcolor(4);<br /> for (int i=1;i<24;i++)<br /> {<br /> clrscr();<br /> gotoxy(i,1);<br /> cprintf(” ***Telephone Directory*** “);<br /> delay(100);<br /> }<br /> for (int o=2;o<7;o++)<br /> {<br /> clrscr();<br /> gotoxy(23,o);<br /> cout<<” ***Telephone Directory*** “;<br /> delay(100);<br /> }<br /> delay(1000);<br /> gotoxy(33,9);<br /> cout<<” Made By:- “;<br /> delay (1000);<br /> gotoxy(31,11);<br /> cout<<” Divya Batra “;<br /> delay(1000);<br /> gotoxy(32,13);<br /> cout<<” Class XII-A “;<br /> delay(1000);<br /> gotoxy(22,15);<br /> cout<<” The Heritage School Vasant Kunj “;<br /> delay(3000);<br /> getch();<br /> option();<br /> }</p> <p>//************************************************************************<br /> **<br /> // Main Menu<br /> //************************************************************************<br /> **</p> <p>void option(void)<br /> {<br /> clrscr();<br /> int j;<br /> box_fill();<br /> gotoxy(30,3);<br /> cout<<“***** MAIN MENU *****”;<br /> gotoxy(15,6);<br /> cout<<” 1. Add Records. “;<br /> gotoxy(15,8);<br /> cout<<” 2. Get enquiry from telephone number. “;<br /> gotoxy(15,10);<br /> cout<<” 3. Get enquiry from names of person. “;<br /> gotoxy(15,12);<br /> cout<<” 4. Delete Records. “;<br /> gotoxy(15,14);<br /> cout<<” 5. Exit. “;<br /> gotoxy(15,16);<br /> cout<<” Enter your choice:”;<br /> cin>>j;<br /> switch(j)<br /> {<br /> case 1:<br /> display();<br /> break;</p> <p> case 2:<br /> enquiryt();<br /> break;</p> <p> case 3:<br /> enquiryn();<br /> break;</p> <p> case 4:<br /> delet();<br /> break;</p> <p> default:<br /> exit(1);<br /> }<br /> }</p> <p>void des(void)<br /> {<br /> gotoxy(10,23);<br /> cout<<”<br /> Press any key to see main menu again…..<br /> “;<br /> getch();<br /> option();<br /> }<br /> //************************************************************************<br /> **<br /> // Function to create file of people<br /> //************************************************************************<br /> **</p> <p>void display(void)<br /> {<br /> clrscr();<br /> char ans;<br /> ans=’y’;<br /> ofstream fp;<br /> fp.open(“Tel.dat”,ios::app);<br /> do<br /> {<br /> box_fill();<br /> // char ch=cin.get();<br /> gotoxy(13,6);<br /> cout<<” Telephone number:”;<br /> gets(s.telno);<br /> gotoxy(13,8);<br /> cout<<” Name of Person:”;<br /> gets(s.name);<br /> gotoxy(13,10);<br /> cout<<” Address:”;<br /> cin>>s.add;<br /> fp.write((char *)&s,sizeof(tel));<br /> gotoxy(13,12);<br /> cout<<” Do you want to Continue:”;<br /> cin>>ans;<br /> }<br /> while(ans==’y’);<br /> fp.close();<br /> des();<br /> }</p> <p>//************************************************************************<br /> **<br /> // Function to get enquiry by telephone from main file<br /> //************************************************************************<br /> **</p> <p>void enquiryt(void)<br /> {<br /> char v[20];<br /> clrscr();<br /> ifstream fp5;<br /> fp5.open(“Tel.dat”);<br /> box_fill();<br /> gotoxy(15,10);<br /> cout<<” Enter the desire telephone number:”;<br /> cin>>v;<br /> while(fp5)<br /> {<br /> fp5.read((char *)&s,sizeof(tel));<br /> if(!fp5)<br /> break;<br /> if(strcmp(s.telno,v)==0)<br /> {<br /> gotoxy(15,14);<br /> cout<<” Telephone Number: “<<s.telno;<br /> gotoxy(15,16);<br /> cout<<” Name: “<<s.name;<br /> gotoxy(15,18);<br /> cout<<” Address: “<<s.add;<br /> }<br /> }<br /> fp5.close();<br /> des();<br /> }</p> <p>//************************************************************************<br /> **<br /> // Function to get enquiry by name from main file<br /> //************************************************************************<br /> **</p> <p>void enquiryn(void)<br /> {<br /> char a[20];<br /> clrscr();<br /> ifstream fp5;<br /> fp5.open(“Tel.dat”);<br /> box_fill();<br /> gotoxy(15,10);<br /> cout<<” Enter the name:”;<br /> cin>>a;<br /> while(fp5)<br /> {<br /> fp5.read((char *)&s,sizeof(tel));<br /> if(!fp5)<br /> break;<br /> if(strcmp(a,s.name)==0)<br /> {<br /> gotoxy(15,14);<br /> cout<<” Telephone Number: “<<s.telno;<br /> gotoxy(15,16);<br /> cout<<” Name: “<<s.name;<br /> gotoxy(15,18);<br /> cout<<” Address: “<<s.add;<br /> }<br /> }<br /> fp5.close();<br /> des();<br /> }</p> <p>//************************************************************************<br /> **<br /> // Function to delete any record from main file<br /> //************************************************************************<br /> **</p> <p>void delet(void)<br /> {<br /> char v[20];<br /> clrscr();<br /> ifstream fp;<br /> fp.open(“Tel.dat”);<br /> ofstream fp1;<br /> fp1.open(“Tel1.dat”);<br /> while(fp)<br /> {<br /> fp.read((char *)&s,sizeof(tel));<br /> if(!fp)<br /> break;<br /> fp1.write((char *)&s,sizeof(tel));<br /> }<br /> fp.close();<br /> fp1.close();<br /> ifstream afile;<br /> ofstream bfile;<br /> afile.open(“Tel1.dat”);<br /> bfile.open(“Tel.dat”);<br /> box_fill();<br /> gotoxy(14,10);<br /> cout<<” Enter the telephone number to be deleted: “;<br /> cin>>v;<br /> while(afile)<br /> {<br /> afile.read((char *)&s,sizeof(tel));<br /> if(!afile)<br /> break;<br /> if(strcmp(s.telno,v)!=0)<br /> {<br /> bfile.write((char *)&s,sizeof(tel));<br /> }<br /> }<br /> bfile.close();<br /> afile.close();<br /> des();<br /> }</p> <p>//************************************************************************<br /> **<br /> // Procedure for creating box for menues and prompts<br /> //************************************************************************<br /> **</p> <p>void box_fill(void)<br /> {<br /> int xr,xc;<br /> int la,ra;<br /> gotoxy(10,2);<br /> for(xr=1;xr<=60;xr++)<br /> cout<<“*”;<br /> xc=3;<br /> for(la=1;la<=19;la++)<br /> {<br /> gotoxy(10,xc);<br /> cout<<“()”;<br /> gotoxy(69,xc);<br /> cout<<“()”;<br /> xc++;<br /> }<br /> gotoxy(10,22);<br /> for(xr=1;xr<=60;xr++)<br /> cout<<“*”;<br /> }</p> <p>