1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75
|
#include <iostream>
#include <fstream>
#include <cstdlib>
#include <string>
using namespace std;
class Student
{
private:
int id;
string firstName;
string lastName;
int examGrade;
public:
Student();
Student(int, string, string, int);
void setall(int, string, string, int);
};
int main()
{
Student *records;
records = new Student[6];
int id;
string firstName;
string lastName;
int examGrade;
fstream gradebook;
gradebook.open("C://Users//Esmeralda//Desktop//Records.txt",ios::in);
if (gradebook.fail())
{
cout << "Error opening file" << endl;
exit(0);
}
int i=0;
while (!gradebook.eof() && i<6)
{
gradebook >> id >> firstName >> lastName >> examGrade;
records[i].Student::Student(id, firstName, lastName, examGrade);
cout << id << "\t" << firstName << "\t" << lastName << "\t" << examGrade << endl;
i++;
}
gradebook.close();
delete [] records;
system("pause");
return 0;
}
Student::Student()
{
id= 0;
firstName=" ";
lastName=" ";
examGrade=0;
}
Student::Student(int theId, string theFirstName, string theLastName, int theGrade)
{
setall(theId, theFirstName, theLastName, theGrade);
}
void Student::setall(int theId, string theFirstName, string theLastName, int theGrade)
{
if(theId>999 || theId<100)
exit(1);
else
cout << theId;
firstName = theFirstName;
lastName = theLastName;
if(theGrade>101 || theGrade<0)
exit(1);
else
cout << theGrade;
}
|