C++图书管理系统

#include <iostream> #include <istream> #include "Librarian.h" #include "Database.h" #include "Database.cpp" #include "Reader.h" #include "Book.h" #include <string.h> using namespace std; Database<Reader> ReaderDB; Database<Book> BookDB; void Librarian::CheckOut() //借书作业 { string r_name, b_name; char reader[40]; char book[40]; try{ cout<<"请输入读者姓名:"<<endl; cin.ignore(1); cin.get(reader,40,'\n'); r_name=reader; Reader *reader=ReaderDB.Query(r_name); //寻找要借书的读者姓名 cout<<"请输入书名:"<<endl; cin.ignore(1); cin.get(book,40,'\n'); b_name=book; Book *book=BookDB.Query(b_name); //要借出的书籍数据 book->CheckOut(); //设定该书被借出 reader->BorrowBook(book->GetIndex()); //增加读者的借书记录 } catch(string s) {cerr<<s;} } void Librarian::BookData() //维护书籍数据 { char choice='I'; string b_name; char bname[40]; Book *book; while(!(choice=='E' || choice=='e')) { cout<<"维护书籍数据..."<<endl; cout<<"请输入操作类型:"<<endl; cout<<"加入新书(I) 更新书籍(U) 删除书籍(D) 查询书籍(Q) 显示书籍(S) 退出(E)"<<endl; cin>>choice; try{ switch(choice) { case 'i': case 'I'://新增书籍数据 cout<<"请输入新书名字:"<<endl; cin.ignore(1); cin.get(bname,40,'\n'); b_name=bname; book=new Book(b_name); BookDB.Insert(*book); //将书籍数据插入 break; case 'u': case 'U': //更改书籍数据 cout<<"请输入要更改书籍的名字:"<<endl; cin.ignore(1); cin.get(bname,40,'\n'); b_name=bname; book=BookDB.Query(b_name); //寻找要更改的书籍数据 cout<<"请输入新书的名字:"<<endl; cin.ignore(1); cin.get(bname,40,'\n'); b_name=bname; book->SetName(b_name); //重新设定该书籍的名称 break; case 'd': case 'D': //删除书籍数据 cout<<"请输入要删除的书籍名字:"<<endl; cin.ignore(1); cin.get(bname,40,'\n'); b_name=bname; BookDB.Delete(b_name); //删除书籍数据 break; case 'q': //查询书籍数据，请同学们完成该功能 case 'Q': cout<<"请输入要查找的书籍名字:"<<endl; cin.ignore(1); cin.get(bname,40,'\n'); b_name=bname; BookDB.Query(b_name)->ShowData(); break; case 's': case 'S': //显示数据库中所有书籍数据 BookDB.ShowAllData(); break; case 'e': case 'E': break; default: cout<<"对不起，没有提供该项功能!"<<endl; } } catch(string s) {cerr<<s;} } } void Librarian::ReaderData() //维护读者数据 { char choice='I'; string r_name; char nreader[40]; Reader *reader; while(!(choice=='E' || choice=='e')) { cout<<"维护读者数据..."<<endl; cout<<"请输入操作类型:"<<endl; cout<<"添加读者(I) 更新读者(U) 删除读者(D) 查询读者(Q) 显示读者(S) 退出(E)"<<endl; cin>>choice; try{ switch(choice) { case 'i': case 'I'://新增读者数据 cout<<"请输入读者名字:"<<endl; cin.ignore(1); cin.get(nreader,40,'\n'); r_name=nreader; reader=new Reader(r_name); ReaderDB.Insert(*reader); //将读者数据插入 break; case 'u': case 'U': //更改读者数据 cout<<"请输入要更改读者的名字:"<<endl; cin.ignore(1); cin.get(nreader,40,'\n'); r_name=nreader; reader=ReaderDB.Query(r_name); //寻找要更改的读者数据 cout<<"请输入新读者的名字:"<<endl; cin.ignore(1); cin.get(nreader,40,'\n'); r_name=nreader; reader->SetName(r_name); //重新设定读者的名称 break; case 'd': case 'D': //删除读者数据 cout<<"请输入要删除的读者名字:"<<endl; cin.ignore(1); cin.get(nreader,40,'\n'); r_name=nreader; ReaderDB.Delete(r_name); //删除读者数据 break; case 'q': case 'Q': cout<<"请输入要查找的读者名字:"<<endl; cin.ignore(1); cin.get(nreader,40,'\n'); r_name = nreader; ReaderDB.Query(r_name)->ShowData(); break; case 's': case 'S': //显示数据库中所有书籍数据 ReaderDB.ShowAllData(); break; case 'e': case 'E': break; default: cout<<"对不起，没有提供该项功能!"<<endl; } } catch(string s) {cerr<<s;} } } void Librarian::giveBack() { string r_name, b_name; Reader reader1; char reader[40]; char book[40]; try{ cout<<"请输入读者姓名:"<<endl; cin.ignore(1); cin.get(reader,40,'\n'); r_name=reader; Reader *reader=ReaderDB.Query(r_name); cout<<"请输入书名:"<<endl; cin.ignore(1); cin.get(book,40,'\n'); b_name=book; Book *book=BookDB.Query(b_name); book->giveBack(); reader1.ReturnBook(); } catch(string s) {cerr<<s;} }