クラスでこれらのポインター変数を使用してファイルにデータを書き込むことができません。プログラムにエラーはありませんが、ファイルにデータは書き込まれません。誰かが私が何か間違ったことをしている場所を教えてください。
#include <iostream.h>
#include <fstream.h>
class studentinfo
{
private:/*Creating Private Data Members */
char* VUID;
char* campusID;
char* Studentname;
char* Fathername;
public:
void Storefile();/* Function to Store Data in the File*/
char Display();/*Function to Read and then Display Data from the File*/
studentinfo(char*, char*, char*, char*);/*Constructor to initialize Data Members*/
~studentinfo();
};
/* Constructor Defined Here*/
studentinfo::studentinfo(char* VUID, char* campusID, char* Studentname, char* Fathername)
{
cout << "Parameterized Contructor is Called" << endl << endl;
}
/*Destructor Defined Here*/
studentinfo::~studentinfo()
{
cout << "Destructor Called for destruction of the object" << endl;
system("pause");
}
/*Function to Store Data in the File Defined here*/
void studentinfo::Storefile()
{
ofstream re;
re.open("record.txt");
if(!re)/*Error Checking Mechanism*/
{
cout<<"Error Reading File"<<endl;
}
re << VUID << endl << campusID << endl << Studentname << endl << Fathername << endl;/*Using data members to Store data in the File*/
cout << "All the Data Members are Stored in a File" << endl << endl;
re.close();
}
/*Function to Read and then Display the data in the File is definde here */
char studentinfo::Display()
{
char output[100];/*Array to store and display the data*/
ifstream reh;
reh.open("record.txt");
if(!reh)
{
cout << "Error Reading File" << endl;
}
cout << "Following is My Data" << endl << endl;
while(!reh.eof()){
reh.getline(output, 100, '\n');/*Reading the data and storing it in the 'output' array line by line*/
cout << output << endl;
}
reh.close();
}
/*Main Function starting here*/
main()
{
studentinfo s1("mc130202398", "PMTN08", "Rehan Shahzad Siddiqui","Rizwan Ali Siddiqui");/*Object Created and Initialized by constructor calling*/
s1.Storefile();/*Function Call*/
s1.Display();/*Function Call*/
system("pause");
}