void main()
{
BookDatabase* bd = BookDatabase::GetBookdatabase();
ifstream inFile;
inFile.open("books.txt");
if (!inFile.is_open())
{
cout << "cannot open the file." << endl;
exit(EXIT_FAILURE);
}
string temp;
string s1, s2, s3, s4;
while (getline(inFile, temp))
{
istringstream is(temp);
is >> s1 >> s2 >> s3 >> s4;
Book p;
p.setId(atoi(s1.c_str()));
p.setName(s2);
p.setWriter(s3);
p.setPublishTime(atoi(s4.c_str()));
p.setIfBorrowed(1);
bd->Insert(p);
}
ReaderDatabase* readerdatabase = new ReaderDatabase();
ifstream inFile0;
inFile0.open("students.txt");
if (!inFile0.is_open())
{
cout << "cannot open the file." << endl;
exit(EXIT_FAILURE);
}
string temp0;
string s5,s6;
while (getline(inFile0, temp0))
{
istringstream is(temp0);
is >> s5 >> s6;
Reader r;
r.setId(atoi(s5.c_str()));
r.setPassword(s6);
readerdatabase->Insert(r);
}
while (true)
{
cout << "----Welcome to book manager----" << endl;
int id;
string password;
while (true){
cout << "Please input id: ";
cin >> id;
cout << "Please input password: "******"wrong input!" << endl;
continue;
}
else{
cout << "log in successfully!" << endl;
break;
}
}
Reader* reader = new Reader();
reader->setId(id);
reader->setPassword(password);
while (true)
{
cout << "1.borrow book\n2.return book\n3.show books\n4.quit" << endl;
int choose;
cin >> choose;
if (choose == 1)
{
cout << "Please input the book's id: ";
int id;
cin >> id;
reader->BorrowBook(id);
continue;
}
if (choose == 2)
{
cout << "Please input the book's id: ";
int id;
cin >> id;
reader->ReturnBook(id);
continue;
}
if (choose == 3)
{
Node* p = bd->getFirst();
while (p != NULL)
{
if (p->book.getIfBorrowed() == 1)
{
cout << p->book.getId() << " " <<
p->book.getName() << " " << p->book.getWriter() <<
" " << p->book.getPublishTime() << endl;
}
p = p->next;
}
continue;
}
if (choose == 4)
{
break;
}
if (choose > 4 || choose < 1)
{
cout << "wrong input" << endl;
continue;
}
}
