hey plzz help...
i'm encountering many errors in dis code segment..
plz try n remove d errors asap...
n tell me how to generate a database in C++
/*
-----------------------------------------------------------------------------
-------------- PROGRAM TO IMPLEMENT THE PAYROLL OF EMPLOYEES ----------------
-----------------------------------------------------------------------------
*/
#include<fstream.h>
#include<fstream.h>
#include<conio.h>
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#define MAX 50
// ADMINISTRATOR CLASS
class admin
{
private:
char e_name[30]; //employee name
int e_id; //employee id
char e_add[50]; //employee address
float basic; //employee's basic salary
public:
void get_edata(); // get data for employee
void display_edata(); //display details of employees
void modify_edata(); //modify details
void del_edata();
void write_erecords();
int getid()
{
return (e_id);
}
}obj,obj2;
class salary
{
public:
float DA,HRA,TA;
salary()
{
DA=0.20;
HRA=0.16;
TA=0.10;
}
float e_tsalary(float basic)
{
float tot_sal;
tot_sal=basic+(basic*DA)+(basic*HRA)+(basic*TA);
return tot_sal;
}
};
class employee
{
private:
int emp_id;
public:
void search();
};
void employee :: search()
{
admin ad;
char found;
fstream fin("EMP.TXT",ios::in|ios::out);
cout<<"Enter the employee id to be searched : ";
cin>>emp_id;
cout<<endl;
while(!fin.eof())
{
fin.read((char *)&ad,sizeof(ad));
if(emp_id==ad.getid())
{
ad.display_edata();
found='y';
break;
}
}
if(found=='n')
cout<<"Employee's id not found";
fin.close();
}
void admin :: get_edata()
{
salary s;
cout<<"ENTER THE EMPLOYEE NAME : ";
gets(e_name);
cout<<endl;
cout<<"ENTER THE EMPLOYEE ID : ";
cin>>e_id;
cout<<endl;
cout<<"ENTER THE EMPLOYEE ADDRESS : ";
gets(e_add);
cout<<endl;
cout<<"ENTER THE BASIC SALARY : ";
cin>>basic;
cout<<endl;
}
void admin :: display_edata()
{
salary s;
cout<<"EMPLOYEE NAME : ";
puts(e_name);
cout<<endl;
cout<<"EMPLOYEE ID : ";
cout<<e_id;
cout<<endl;
cout<<"EMPLOYEE ADDRESS : ";
puts(e_add);
cout<<endl;
float totalsal;
totalsal=s.e_tsalary(basic);
cout<<"TOTAL SALARY : ";
cout<<totalsal;
cout<<endl;
}
void admin :: modify_edata()
{
cout<<"Employee Name : ";
puts(e_name);
cout<<endl;
cout<<"Employee ID : ";
cout<<e_id;
cout<<endl;
cout<<"Basic Salary is : "<<basic;
cout<<endl;
cout<<"Enter the new details : "<<endl;
char nm[30]=" ";
double id, basic_e;
cout<<"Enter New Name (Press '.' to retain old one): "<<endl;
gets(nm);
cout<<endl;
cout<<"Enter New ID : "<<endl;
cin>>id;
cout<<endl;
cout<<"Enter Basic Salary : "<<endl;
cin>>basic_e;
cout<<endl;
if(strcmp(nm,".")!=0)
strcpy(e_name,nm);
if(id!=e_id)
e_id=id;
if(basic_e!=basic)
basic=basic_e;
}
void menuad()
{
int ch,n;
cout<<"**************MENU************** \n";
cout<<"ENTER WHAT YOU WANT TO DO : \n";
cout<<"1. ADD DATA \n";
cout<<"2. APPEND DATA \n";
cout<<"3. SHOW DATA \n";
cout<<"4. MODIFY DATA \n";
cout<<"5. DELETE DATA: \n";
cout<<"6. EXIT ";
cout<<"\n Enter your choice";
cin>>ch;
switch(ch)
{
case 1:
ofstream fot("EMPLOYEE.TXT",ios::out|ios::binary);
obj.get_edata();
fot.write((char *)&obj, sizeof(obj));
cout<<"\n First Record added";
fot.close();
getch();
clrscr();
menuad();
break;
case 2:
fstream fo("EMPLOYEE.TXT" ,ios::in| ios ::app |ios::binary);
char ans='y';
while(ans=='y')
{
obj.get_edata();
fo.write( (char *)&obj, sizeof(obj));
cout<<"\n Record added \n";
clrscr();
cout<<"\n Want to enter more records?(y/n)";
cin>>ans;
}
fo.close();
getch();
clrscr();
menuad();
break;
case 3:
ifstream fi( "EMPLOYEE.TXT" ,ios::in);
fi.seekg(0);
while(!fi.eof())
{
fi.read((char *)&obj,sizeof(obj));
obj.display_edata();
}
fi.close();
getch();
clrscr();
menuad();
break;
case 4:
admin ad;
fstream fio("EMP.TXT",ios::in|ios::out|ios::binary);
ofstream fin("EMP.TXT",ios::in|ios::out|ios::binary);
int empid;
cout<<"Enter the Employee ID : ";
cin>>empid;
cout<<endl;
long pos;
char found='f';
while(!fio.eof())
{
pos=fio.tellg();
fio.read((char *)&ad,sizeof(ad));
fin.open("EMP.TXT",ios::in);
if(ad.getid()==empid)
{
ad.modify_edata();
fio.seekg(pos);
fio.write((char *)&ad,sizeof(ad));
found='t';
break;
}
}
if(found=='f')
cout<<"File not found"<<endl;
fio.seekg(0);
cout<<"Now contents of file are : "<<endl;
while(!fio.eof())
{
fio.read((char *) & ad,sizeof(ad));
ad.display_edata();
break;
}
fio.close();
fin.close();
getch();
clrscr();
menuad();
break;
case 5:
admin obj;
found='f';
char confirm='n';
ifstream fin1("EMPLOYEE.TXT",ios::in);
ofstream oin("TEMP.TXT",ios::out);
cout<<"Enter the employee id to be searched : ";
cin>>empid;
cout<<endl;
while(!fin1.eof())
{
fin1.read((char *)&obj,sizeof(obj));
if(empid==obj.getid())
{
obj.display_edata();
found='y';
cout<<"confirm deletion ?";
cin>>confirm;
if(confirm=='n')
{
oin.write((char*)&obj,sizeof(obj));
}
}
else
oin.write((char *)&obj, sizeof(obj));
}
if(found=='f')
{
cout<<"Employee's id not found";
}
remove("EMPLOYEE.TXT");
rename("TEMP.TXT","EMPLOYEE.TXT");
fin1.open("EMPLOYEE.TXT");
while(!fin1.eof())
{
fin1.read((char *)&obj,sizeof(obj));
if(fin1.eof()) break;
obj.display_edata();
}
while(!fin1.eof())
{
fin1.read((char *) &obj, sizeof(obj));
if(obj.getid()==empid)
{
found='t';
obj.display_edata();
getch();
}
}
if(found=='f')
cout<<"no record found \n";
fin1.close();
oin.close();
getch();
clrscr();
menuad();
break;
case 6:
exit(0);
break;
default:
cout<<"Wrong choice";
}
}
void menuemp()
{
employee emp;
cout<<"***********************************"<<endl;
cout<<" EMPLOYEE'S MENU "<<endl;
cout<<"1.SEARCHING "<<endl;
cout<<"2.EXIT"<<endl;
int ch;
cin>>ch;
switch(ch)
{
case 1:
emp.search();
getch();
clrscr();
menuemp();
break;
case 2:
exit(0);
break;
default:
break;
}
}
void menu()
{
int ch,c,d;
admin ad;
employee emp;
cout<<"**************MENU************** \n";
cout<<"ENTER WHAT YOU ARE : \n";
cout<<"1. ADMINISTRATOR \n";
cout<<"2. EMPLOYEE \n";
cout<<"3. EXIT \n";
cout<<"ENTER YOUR CHOICE : \n";
cin>>ch;
switch(ch)
{
case 1: clrscr();
menuad();
break;
case 2: clrscr();
menuemp();
break;
case 3:
exit(0);
break;
default:
cout<<"WRING CHOICE ENTERED !!!!!! ";
break;
}
}
void main()
{
clrscr();
employee emp;
int n;
menu();
getch();
}
