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#include <iostream.h>
#include <conio.h>
#include <fstream.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
//****************************Start of Class declaration*************************
class employee
{
private:
char name[20];
long int empCode;
char designation[20];
float salary;
char email[50];
public:
//Gets data from the user
void getdata()
{
cout << "Enter the name of employee: "; gets(name);
cout << "Enter the email of employee: "; gets(email);
cout << "Enter the designation of employee: "; gets(designation);
cout << "Enter the code of employee: "; cin >> empCode ;
cout << "Enter the salary of employee: "; cin >> salary ;
}
//Shows data of the employee
void showdata()
{
cout << "Name of the employee: " << name << endl ;
cout << "Email of the employee: " << email << endl ;
cout << "Designation of the employee: " << designation << endl ;
cout << "Employee Code : " << empCode << endl ;
cout << "Salary of the employee: " << salary << endl ;
}
int search_for_employee(int choice, char name_temp[20], char email_temp[50] );
void modify_employee();
};
//Searches for employee in file
int employee::search_for_employee( int choice, name_temp[20] , email_temp[50])
{
int return_value = 0;
//Comparison Process starts
switch(choice)
{
case 1: if (strcmp(name_temp,name) == 0)
return_value = 1;
break;
case 2: if ( empCode_temp == empCode)
return_value = 1;
break;
case 3: if (strcmp(email_temp,email) == 0)
return_value = 1;;
break;
default: cout << "Wrong choice entered! Program will now terminate!";
}
return return_value;
}
//Changes value of data in employee
void employee::modify_employee()
{
int choice;
cout<<"Here is the original record :" << endl;
showdata();
cout << endl;
cout<<"Press 1 to change Name " << endl;
cout<<"Press 2 to change Employee code" << endl;
cout<<"Press 3 to change Email ID " << endl;
cout<<"Press 4 to chane salary of employee " << endl;
cout<<"Press 5 to change designation " << endl;
cout<<"Enter your option :";
cin >> choice;
switch(choice)
{
case 1: cout<<"Enter new Name : ";
gets(name);
break;
case 2: cout<<"Enter new Employee code : ";
cin >> empCode;
break;
case 3: cout<<"Enter new Email ID : ";
gets(email);
break;
case 4: cout<<"Enter new Designation: ";
gets(designation);
default : cout<<"Wrong Option !!";
}
}
//*************************End of class declaration****************************
//Search for employee
void employee_search()
{
cout << endl;
employee emp;
char name_temp[20], email_temp[50];
int empCode_temp;
fstream f1;
f1.open("EMPLOYEE.DAT",ios::binary|ios::in);
cout << "Press 1 to search employee by name" << endl;
cout << "Press 2 to search employee by Employee Code" << endl ;
cout << "Press 3 to search employee by email" << endl ;
int choice1; cin >> choice1;
switch(choice1)
{
case 1: cout<<"Enter Name : ";
gets(name_temp);
break;
case 2: cout<<"Enter Employee code : ";
cin >> empCode_temp ;
break;
case 3: cout<<"Enter Email ID : ";
gets(email_temp);
break;
default : cout<<"Wrong Option !!";
}
while( f1.read((char*) &emp, sizeof(emp)) )
{
if(emp.search_for_employee(choice1, name_temp, empCode_temp) == 1)
{
emp.showdata();
}
}
}
//Adds a new employee to a file
void add_employee()
{
employee emp;
fstream f1;
f1.open("EMPLOYEE.DAT",ios::binary|ios::app);
cout<<"\nEnter the details of the employee : \n";
emp.getdata();
f1.write((char*) &emp, sizeof(emp));
f1.close();
}
//Displays list of all employees present in file
void display_all_employee()
{
employee emp;
fstream f1;
int empNum = 1;
f1.open("EMPLOYEE.DAT",ios::binary|ios::in);
while( f1.read((char*) &emp, sizeof(emp)) )
{
cout << endl;
cout << empNum << ". " ;
emp.showdata();
empNum++;
}
f1.close();
}
//Edits employee
void edit_employee()
{
cout << endl;
employee emp;
char name_temp[20], email_temp[50];
int empCode_temp;
int file_modified = 0;
fstream f1,f2;
f1.open("EMPLOYEE.DAT",ios::binary|ios::in);
f2.open("TEMP.DAT", ios::binary|ios::out);
cout << "Press 1 to search employee by name" << endl;
cout << "Press 2 to search employee by Employee Code" << endl ;
cout << "Press 3 to search employee by email" << endl ;
int choice1; cin >> choice1;
switch(choice1)
{
case 1: cout<<"Enter Name : ";
gets(name_temp);
break;
case 2: cout<<"Enter Employee code : ";
cin >> empCode_temp ;
break;
case 3: cout<<"Enter Email ID : ";
gets(email_temp);
break;
default : cout<<"Wrong Option !!";
}
while( f1.read((char*) &emp, sizeof(emp)) )
{
if( emp.search_for_employee(choice1, name_temp, empCode_temp) == 1 )
{
file_modified++ ;
emp.modify_employee();
}
f2.write((char *) &emp, sizeof(emp));
}
if ( file_modified == 0 )
cout << "No records found!";
}
void main()
{
cout << "Welcome to employee management program!" ;
cout << endl;
int choice;
clrscr();
cout<<"Main Menu:\n";
cout<<"Press 1 to add a new employee " << endl;
cout<<"Press 2 to display all employees " << endl;
cout<<"Press 3 to search employee " << endl;
cout<<"Press 4 to modify employee " << endl;
cout<<"Enter your choice : ";
cin >> choice;
switch(choice)
{
case 1: add_employee(); break;
case 2: display_all_employee(); break;
case 3: employee_search(); break;
case 4: edit_employee(); break;
default: cout<<"\nWrong Choice Entered !!Please try again!\n\n";
}
getch();
}
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