C++ Project on Payroll Management

C++ Project on Payroll Management

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

struct roll
{
    char na[20], des[20];
    int co;
    float sal, tax, hra, gr, da, np;
} oll;

fstream pay;
char c;
int l;
char choice;

void dev()
{
    clrscr();
    for (int x = 50; x >= 20; x--)
    {
        textcolor(WHITE + LIGHTGRAY);
        delay(160);
        gotoxy(x, 12);
        cputs("  P R O J E C T   ");
        gotoxy(x, 14);
        cputs("  D E V E L O P E D  B Y  :  ");
        gotoxy(x, 16);
        cputs("Navi");
    }
    gotoxy(x, 24);
    cputs("PRESS ANY KEY TO CONTINUE");
    getch();
}

void main()
{
    clrscr();
    dev();
    int gdriver = DETECT, gmode, errorcode;
    initgraph(&gdriver, &gmode, "c:\\tc\\bgi");
    errorcode = graphresult();
    if (errorcode != grOk)
    {
        cout << "Graphics error: " << grapherrormsg(errorcode);
        cout << "\nPress any key to halt:";
        getch();
        exit(1);
    }

    do
    {
        clrscr();
        cout << "\n1. ADD RECORD";
        cout << "\n2. DISPLAY RECORD";
        cout << "\n3. SEARCH RECORD";
        cout << "\n4. EXIT";
        cout << "\nENTER YOUR CHOICE:";
        cin >> choice;

        switch (choice)
        {
        case '1':
            pay.open("oll.dat", ios::out | ios::app);
            do
            {
                clrscr();
                cout << "\n EMPLOYEE NAME:";
                cin >> oll.na;
                cout << "\n EMPLOYEE CODE";
                cin >> oll.co;
                cout << "\n EMPLOYEE DESIGNATION:";
                int ch;
                cout << "\n1.SUBSTAFF";
                cout << "\n2.CLERK";
                cout << "\n3.MANAGER";
                cout << "\n ENTER YOUR CHOICE:(1/2/3)";
                cin >> ch;
                switch (ch)
                {
                case 1:
                    oll.sal = 1000;
                    oll.hra = 100;
                    oll.da = oll.sal * 1.10;
                    oll.tax = 2 * (oll.sal) / 100.0;
                    strcpy(oll.des, "SUBSTAFF");
                    break;
                case 2:
                    oll.sal = 2000;
                    oll.hra = 200;
                    oll.da = 200;
                    oll.tax = 10 * (oll.sal) / 100.0;
                    strcpy(oll.des, "CLERK");
                    break;
                case 3:
                    oll.sal = 14000;
                    oll.hra = 400;
                    oll.da = 400;
                    oll.tax = 20 * (oll.sal) / 100.0;
                    strcpy(oll.des, "MANAGER");
                    break;
                default:
                    cout << "\n INPUT IS INVALID";
                    break;
                }
                oll.gr = oll.sal + oll.hra + oll.da;
                oll.np = oll.gr - oll.tax;
                pay.write((char*)&oll, sizeof(oll));
                cout << "\n TO CONTINUE ADDING DATA(Y/N):";
                cin >> c;
            } while ((c == 'Y') || (c == 'y'));
            pay.close();
            break;

        case '2':
            pay.open("oll.dat", ios::in);
            if (!pay)
            {
                cout << "\n\nFile Not Found...\nProgram Terminated!";
                exit(0);
            }
            pay.seekg(0);
            while (!pay.eof())
            {
                pay.read((char*)&oll, sizeof(oll));
                if (!pay.eof())
                {
                    cout << "\n*********************************************";
                    cout << "\n         SUSHMA ENTERPRISES                  ";
                    cout << "\n*********************************************";
                    cout << "\nEMPLOYEE NAME                :" << oll.na;
                    cout << "\nEMPLOYEE CODE                :" << oll.co;
                    cout << "\nEMPLOYEE DESIGNATION         :" << oll.des;
                    cout << "\nBASIC SALARY                 :" << oll.sal;
                    cout << "\nHRA                          :" << oll.hra;
                    cout << "\nDA                           :" << oll.da;
                    cout << "\nGROSS SALARY                 :" << oll.gr;
                    cout << "\nTAX DEDUCTED                 :" << oll.tax;
                    cout << "\nNET PAY                      :" << oll.np;
                }
            }
            pay.close();
            break;

        case '3':
            int eno;
            cout << "\nENTER EMPLOYEE CODE TO SEARCH:";
            cin >> eno;
            pay.open("oll.dat", ios::in);
            if (!pay)
            {
                cout << "\n\nFile Not Found...\nProgram Terminated!";
                exit(0);
            }
            pay.seekg(0);
            while (!pay.eof())
            {
                pay.read((char*)&oll, sizeof(oll));
                if (!pay.eof())
                {
                    if (oll.co == eno)
                    {
                        cout << "\n*********************************************";
                        cout << "\n         SUSHMA ENTERPRISES                  ";
                        cout << "\n*********************************************";
                        cout << "\nEMPLOYEE CODE                :" << oll.co;
                        cout << "\nEMPLOYEE NAME                :" << oll.na;
                        cout << "\nEMPLOYEE DESIGNATION         :" << oll.des;
                        cout << "\nBASIC SALARY                 :" << oll.sal;
                        cout << "\nHRA                          :" << oll.hra;
                        cout << "\nDA                           :" << oll.da;
                        cout << "\nGROSS SALARY                 :" << oll.gr;
                        cout << "\nTAX DEDUCTED                 :" << oll.tax;
                        cout << "\nNET PAY                      :" << oll.np;
                    }
                }
            }
            pay.close();
            break;

        case '4':
            exit(0);
        }
    } while (choice != 4);

    closegraph();
}