Cpp Project :Company management

Cpp Project :Company management

//Company management

#include<iostream>

#include<fstream>

#include<string.h>

#include<stdlib.h>

using namespace std;

class earn

{

public:

    long double profit;

    void show()

    {

        ifstream x("ooo.txt");

        if(!x)

            cout<<"\n() PROFIT\t\t     : 0 ";

        else

        {

            x>>profit;

            cout<<"\n() TOTAL STARTING PROFIT     : "<<profit<<"\n\n";

            x.close();

        }

    }

};

class product:public virtual earn

{

public:

    int quan;

    char name[20];

    char id[20];

    double percost;

    double persell;

    double cost;

    double sell;

    void cal()

    {

        cost=percost*quan;

        sell=persell*quan;

        profit=profit +(sell-cost)*30;

    }

    void file();

    void get() ;

};

void product::get()

{

    int s;

    cout<<"# HOW MANY PRODUCT PRODUCE ? : ";

    cin>>s;

    for(int i=0; i<s; i++)

    {

        cout<<"\n# input product name\t     : ";

        cin>>name;

        cout<<"\n# input product id\t     : ";

        cin>>id;

        cout<<"\n# input percost of product   : ";

        cin>>percost;

        cout<<"\n# input persell of product   : ";

        cin>>persell;

        cout<<"\n# total product quntity\t     : ";

        cin>>quan;

    }

    cal();

    file();

}

void product::file()

{

    char file[30];

    strcpy(file,id);

    strcat(file,".txt");

    ofstream f(file);

    f<< "\n\n\n======>PRODUCT DETAILS<======\n"<<"\n# product name\t\t     : "<<name<< "\n\n# product id\t\t     : "<<id<<"\n\n# percost ofproduct\t     : " <<percost<<"\n\n# persell of product\t     : "<<persell<<"\n\n# quantity\t\t     : "<<quan<<"\n\n# total cost\t\t     : "<<cost<<"\n\n# total sell\t\t     : "<<sell<<"\n";

    f.close();

}

class staff:public virtual earn

{

protected:

    double salary;

    char post[12];

    char emid[10];

    int postquan;

    void cal()

    {

        profit=(profit-salary*postquan)*12;

    }

    void getstaff();

    void file();

};

void staff::getstaff()

{

    cout<<"\n# input salary\t\t     : ";

    cin>>salary;

    cout<<"\n# input postquantity\t     : ";

    cin>>postquan;

      cout<<"\n\n@@@ FILE IS LOADING...\n\n";

    cal();

    file();

}

void staff::file()

{

    char file[20];

    strcpy(file,emid);

    strcat(file,".txt");

    ofstream f(file);

    f<< "\nstaff salary: "<<salary<< "\post quantity: "<<postquan;

    f.close();

}

class ammount:public staff,public product

{

public:

    void  add();

};

void ammount::add()

{

    cout<<"\n\n\n======>INPUT FOR PRODUCT<======\n\n\n";

    get();

    cout<<"\n\n\n======>INPUT FOR EMPLOYEE<======\n\n\n" ;

    getstaff();

    ofstream x("ooo.txt");

    x<<profit;

    x.close();

}

int main()

{

    system("color 7");//color

    while(1)

    {

        cout<<"\n    \t\t \t++++++++++++++++++++++++++++++++++++ \n";

        cout<<" \t\t\t+     ""COMPANY MANAGEMENT\t   +";

        cout<<"\n\t\t\t+\t\t\t\t   +\n\t\t\t+\t1..add\t\t\t   +\n\t\t\t+\t2..show\t\t\t   +\n\t\t\t+\t3...search\t\t   +\n\t\t\t+\t4..exit\t\t\t   +\n";

        cout<<"\t\t\t+\t\t\t\t   +\n\t\t\t++++++++++++++++++++++++++++++++++++";

        cout<<"\n\n# WHAT IS YOUR CHOICE? \t     : ";

        int u;

        cin>>u;

        if(u==1)

        {

            ammount a;

            a.show();

            a.add();

        }

        else if(u==2)

        {

            ammount d;

            d.show();

        }

        else if(u==3)

        {

            char id[20];

            char c;

            cout<<"\n# INPUT ID FOR SEARCH\t     : ";

            cin>>id;

            char file[20];

            strcpy(file,id);

            strcat(file,".txt")  ;

            ifstream x(file);

            while(x)

            {

                x.get(c)   ;

                cout<<c;

            }

            x.close();

        }

        else if(u==4)

        {

            cout<<"\n\n!!!!!!!! HAPPY PROGRAMMING !!!!!!!!\n\n\n";

            break;

        }

        else

            {

                cout<<"\n";

                cout<<"..............................\n      ERROR 404  \n YOUR input WAS WRONG (-_-)\n [ please try again ] \n..............................";

                cout<<"\n";

        }

    }

    return 0;

}