#include <iostream>
#include <fstream>
#include <conio.h>
using namespace std;
struct items{
int itemNo;
char itemName[50];
double itemPrice;
};
void read();
void write();
const char FileName[50] = "FileName.txt";
char symbol=0;
int main()
{
//write them into a file
int whatToDo;
cout << "if you want to write press 1 for reading 2" << endl;
cin >> whatToDo;
switch(whatToDo)
{
case 1: //WRITE
write();
break;
case 2: //READ
read();
break;
default:
break;
}
cin.get();
return 0;
}
void write()
{
struct items item;
int itemNumber;
char itemName[50];
double itemPrice;
while(1)
{
cout << "What is the item no? " << endl;
cin >> itemNumber;
cin.ignore();
cout << "What is the product name?" << endl;
cin.getline(itemName,50,'\n');
cout << "Whatis the price of the product" << endl;
cin >> itemPrice;
cin.ignore();
item.itemNo=itemNumber;
strcpy(item.itemName,itemName);
item.itemPrice=itemPrice;
//write to the file
ofstream writeFile;
writeFile.open(FileName,ios::out|ios::app|ios::binary);
if(writeFile.fail())
{
cerr << "An error occured..." << endl;
}else
{
writeFile.write((char*)&item,sizeof item);
writeFile.clear();
writeFile.close();
}
above:
cout << "Do you want to enter another record y/n" << endl;
symbol=0;
cin >> symbol;
if(symbol == 'y')
{
//reloop
}else if(symbol== 'n')
{
break;
}
else
{
goto above;
}
}
return;
}
void read()
{
struct items item;
ifstream readFile;
readFile.open(FileName,ios::in|ios::binary);
if(readFile.fail())
{
cerr << "An error occured.." << endl;
}else
{
while(readFile.read((char*)&item,sizeof item))
{
cout << "******************************************************" << endl;
cout << "the item number is " << endl;
cout << item.itemNo << endl;
cout << "the item name is " << endl;
cout << item.itemName << endl;
cout << "the item price is " << endl;
cout << item.itemPrice << endl;
cout << "******************************************************" << endl;
}
}
getch();
return;
}
