C++面向对象程序设计课程设计-图书借阅系统

/*图书馆*/ //#pragma warning(disable:0461) #include "global.h" #include "date.h" #include "bookdata.h" #include "readerdata.h" #include "database.h" #include "librarian.h" #include "reader.h" #include<string> #include<cstring> int main() { DataBase<BookData>BookBase("books.dat");//打开书籍数据库 DataBase<ReaderData>ReaderBase("readers.dat");//打开读者数据库 char choice = 'X'; while (!(choice == 'E' || choice == 'e')) { cout << "(L)ibrarian entry,(R)eader entry,Re(t)urn book,(E)xit:"; cin >> choice; Librarian* mgr = NULL; Reader* rdr = NULL; switch (choice) { //管理员登录 case 'l':case 'L': mgr = new Librarian(101, "zs"); choice = mgr->login();//成功返回X，否则E while (!(choice == 'E' || choice == 'e')) { cout << "(A)dd reader,Add (B)ook,(Q)uery Reader,(P)ut book to shelf.(E)xit:"; cin >> choice; switch (choice) { long id; char name[40]; case 'a':case 'A': cout << "Give a reader PIN and input a name:"; cin >> id; cin.ignore(); cin.get(name, 20, '\n'); ReaderBase.insert(ReaderData(id, name)); break; case 'b':case 'B': cout << "Input a book id and name:"; cin >> id; cin.ignore(); cin.get(name, 40, '\n'); BookBase.insert(BookData(id, name)); break; case 'q':case 'Q': cout << "Input a reader's PIN:"; cin >> id; if (ReaderBase.query(id) == NULL) { cout << "No such a reader!" << endl; }else { ReaderBase.query(id)->showData(); } break; case 'p':case 'P': cout << "Input a book id:"; cin >> id; if (BookBase.query(id) == NULL) { cout << "No such a book!" << endl; } else { BookBase.query(id)->setState(SHELF); } break; case 's':case 'S': ReaderBase.showAllData(); BookBase.showAllData(); break; case 'e':case 'E': break; default: cout << "Unavailable function!\n"; } } delete mgr; choice = 'X'; break;//管理员退出 //读者登录 case 'r':case 'R': long PIN, bookId; int i, t1, t2; char name[40]; for (i = 0; i < 3; i++) { cout << "Input PIN:"; cin >> PIN; if (ReaderBase.query(PIN) != NULL) { rdr = new Reader(PIN); break; } } if (i == 3) { cout << "Check in failed!" << endl;//读者登录失败 choice = 'E'; } while (!(choice == 'e' || choice == 'E')) { cout << "(A)dd book to cart,check (o)ut,(Q)uery book by name,(L)ist my books.(E)xit:"; cin >> choice; switch (choice) { case 'a':case 'A': cout << "Input a book id:"; cin >> bookId; if((BookBase.query(bookId)!=NULL)&&(BookBase.query(bookId)->getState()==SHELF)) { if (rdr->addBook(bookId)) { BookBase.query(bookId)->setState(LIB); } } break; case 'o':case'O': t1 = rdr->getNum();//在书车的图书编号 t2 = ReaderBase.query(PIN)->getNum();//在读者的图书编号 if (t1 > 0 && t2 < LIMIT) { cout << PIN << " " << ReaderBase.query(PIN)->getName() << " book list" << endl; for (i = 0; i < t1 && i < (LIMIT - t2); i++) { bookId = ReaderBase.query(PIN)->borrowBook(rdr->checkOut()); BookBase.query(bookId)->setState(READER); BookBase.query(bookId)->setPIN(PIN); cout << i + 1 << "\t" << BookBase.query(bookId)->getName() << endl; } Date().display(); } break; case 'q':case 'Q': cout << "Input a book name(part):"; cin.ignore(); cin.get(name,40,'\n'); if (BookBase.queryName(name) != NULL) { BookBase.queryName(name)->showData(); } break; case 'l':case 'L': ReaderBase.query(PIN)->showData(); break; case 'c':case 'C': rdr->showCart();//显示书本在书车的图书编号 break; case 'e':case 'E': break; default: cout<< "Unavailable function!\n"; } } delete mgr; choice = 'X'; break;//读者退出 //还书入口 case 't':case 'T': cout << "Input a book id:"; cin >> bookId; if (BookBase.query(bookId) != NULL) { BookBase.query(bookId)->setState(LIB); if ((PIN = BookBase.query(bookId)->getPIN()) > 0) { ReaderBase.query(PIN)->returnBook(bookId); } } break;//退出还书 case 'e':case 'E': break; default: cout << "Unavailable function!\n"; } } return 0; }