1、/ tushuguanli.cpp : Defines the entry point for the console application.#include <string>#include <fstream>#include <iostream>/using namespace std;const int BMAX=50;/圖書數據庫類class bdatabasepublic:book btarrayBMAX; int top;public:bdatabase()book b; top=-1; fstream file("book.txt&

2、quot;,ios:in); /打開文件while (1) file.read(char *)&b,sizeof(b); if (!file) break; top+; btarraytop = b; file.close(); /關閉文件bdatabase() /析構函數， 將btarray寫到book.txt文件中 fstream file("book.txt",ios:out); for (int i=0;i<=top;i+)if (btarrayi.b_del=1) file.write(char *)&btarrayi,sizeof(btar

3、rayi); file.close(); void addbooks() /往圖書數據庫中加圖書book bk;int no;char bname20;cout<<"請輸入書號: "cin>>no;cout<<endl<<"請輸入書名: "cin>>bname;cout<<endl;bk.b_flag=1;bk.addbook(no, bname);top+;btarraytop=bk;return;int findbooks(int suffix) /查找圖書，這個函數用于借書這書

4、操作，suffix是數組下標int no;cout<<"請輸入書號: "cin>>no;for(int i=0; i<=top; i+)if(btarrayi.no=no && btarrayi.b_del=1)return i;return -1;int findbooks() /查找圖書,這個函數用于圖書維護 int no;char value6;cout<<"請輸入書號: "cin>>no;for(int i=0; i<=top; i+)if(btarrayi.no=no

5、&& btarrayi.b_del=1)if(btarrayi.b_flag=1) strcpy(value,"在架");if(btarrayi.b_flag=2) strcpy(value,"借出");cout<<"書號: "<<btarrayi.no<<" 書的名稱: "<<<<" 圖書狀態 :"<<value<<endl;return i;return -1;voi

6、d editbooks() /編輯圖書int cur;cur = findbooks();if (cur=-1)cout<<"沒有這本書"<<endl;return;cout<<"書號: "<<btarraycur.no<<" 書的名稱: "<<<<endl;cout<<"請修改數據："<<endl;cout<<endl<<"書的名稱: &quo

7、t;cin>>;return ;void delbooks() /刪除圖書int cur;cur = findbooks();if (cur=-1)return;if(btarraycur.b_flag=2) /刪除時判斷圖書是否借出cout<<"該圖書已經借出，請在歸還后再刪除。"<<endl;return;btarraycur.b_del=2;return;void listbooks() /顯示全部圖書char value6;for(int i=0; i<=top; i+)if(btarrayi.

8、b_del=1) if(btarrayi.b_flag=1) strcpy(value,"在架");if(btarrayi.b_flag=2) strcpy(value,"借出");cout<<"書號: "<<btarrayi.no<<" 書的名稱: "<<<<" 圖書狀態 :"<<value<<endl;return;class bookpublic:int no; /圖書編號char

9、 name20; /圖書名稱int b_flag; int b_del; public :book() void setno(int n)no=n; int getno()return no; /返回圖書編號值void setname(char na)strcpy(name, na); /字符串復制char* getname()return name; /返回圖書名稱void borbook()b_flag=2; /借書標志void delbook()b_del=2; /刪除標志void addbook(int no,char na) /增加圖書功能setno(no);setname(na);

10、b_flag=1;b_del=1;/讀者類class readerpublic:int no;char name20;int r_del; /1存在，2刪除int r_bor; /1借過書，2沒有借書book brbook;public:void addreader(int id, char na)/增加讀者no = id;strcpy(name, na);r_del=1;void setbrbook(book bt) /設置借書標記brbook = bt;book getbrbook()return brbook; /返回借書信息;/讀者數據庫類class rdatabasepublic:r

11、eader rdarrayBMAX;int top;public:rdatabase()reader rd; top=-1; fstream file("reader.txt",ios:in); /打開文件while (1) file.read(char *)&rd,sizeof(rd); if (!file) break; top+; rdarraytop=rd; file.close(); /關閉文件 rdatabase()/析構函數 fstream file("reader.txt",ios:out); for (int i=0;i<

12、=top;i+)if (rdarrayi.r_del=1) file.write(char *)&rdarrayi,sizeof(rdarrayi); file.close(); void addreaders() /添加讀者reader rd;int no;char rname20;cout<<"請輸入學號: "cin>>no;cout<<endl<<"請輸入姓名: "cin>>rname;cout<<endl;rd.addreader(no, rname);rd.r_bo

13、r=2;top+; rdarraytop=rd;return;int findreaders(int suffix) /查找讀者，這個函數用于借書還書操作。 參數suffix是數組下標int no;cout<<"請輸入學號: "cin>>no;for(int i=0; i<=top; i+)if(rdarrayi.no=no && rdarrayi.r_del=1)return i;return -1;int findreaders() /查找讀者，這個函數用于讀者維護操作int no;char value3;cout<&

14、lt;"請輸入學號: "cin>>no;for(int i=0; i<=top; i+)if(rdarrayi.no=no && rdarrayi.r_del=1)if(rdarrayi.r_bor=1) strcpy(value,"借");if(rdarrayi.r_bor=2) strcpy(value,"無");cout<<"學號: "<<rdarrayi.no<<" 姓名: "<<

15、<<" 是否借書: "<<value<<endl;return i;return -1;void editreaders() /編輯讀者信息int cur;cur = findreaders();if (cur=-1)cout<<"沒有該學生"<<endl;return;cout<<"請修改數據："<<endl;cout<<endl<<" 姓名: "cin>>;ret

16、urn ;void delreaders() /刪除讀者，讀者如果借書要還書后才能刪除 int cur;cur = findreaders();if (cur=-1)return;if(rdarraycur.r_bor=1)cout<<"該用戶借了圖書，請還書后再刪除"<<endl;return;rdarraycur.r_del=2;return;void listreaders() /顯示所有讀者char value3;for(int i=0; i<=top; i+)if(rdarrayi.r_del=1)if(rdarrayi.r_bor=

17、1) strcpy(value,"借");if(rdarrayi.r_bor=2) strcpy(value,"無");cout<<"學號: "<<rdarrayi.no<<" 姓名: "<<<<" 是否借書: "<<value<<endl;return;void bookjiemain() /圖書維護子菜單cout<<"|-|"<<endl;

18、cout<<"| 圖書維護 |"<<endl;cout<<"| (1)增 加 |"<<endl;cout<<"| (2)更 改 |"<<endl;cout<<"| (3)刪 除 |"<<endl;cout<<"| (4)查 找 |"<<endl;cout<<"| (5)顯 示 |"<<endl;cout<<"|

19、(6)返回上一層 |"<<endl;cout<<"|-|"<<endl;void readerjiemian() /讀者維護子菜單cout<<"|-|"<<endl;cout<<"| 讀者維護 |"<<endl;cout<<"| (1)增 加 |"<<endl;cout<<"| (2)更 改 |"<<endl;cout<<"| (3)

20、刪 除 |"<<endl;cout<<"| (4)查 找 |"<<endl;cout<<"| (5)顯 示 |"<<endl;cout<<"| (6)返回上一層 |"<<endl;cout<<"|-|"<<endl;void mainjiemian() /主界面cout<<"*"<<endl;cout<<"* 圖 書 管 理 系 統

21、*"<<endl;cout<<"* *"<<endl;cout<<"* (1) 借 書 *"<<endl;cout<<"* *"<<endl;cout<<"* (2) 還 書 *"<<endl;cout<<"* *"<<endl;cout<<"* (3) 圖書管理 *"<<endl;cout<<&qu

22、ot;* *"<<endl;cout<<"* (4) 用戶管理 *"<<endl;cout<<"* *"<<endl;cout<<"* (0) 退 出 *"<<endl;cout<<"*"<<endl;void borrowtoreturn(char br) /借書還書函數.參數br用來判斷是“借書”還是“還書”.1為“借書”,2為“還書”int rdid=0;int bkid=0;int rsuf

23、fix, bsuffix;bdatabase t_bd;rdatabase t_rd;if(br='1') /借書rsuffix=t_rd.findreaders(rdid);bsuffix=t_bd.findbooks(bkid);if (rsuffix=-1 | bsuffix=-1) return;if(t_bd.btarraybsuffix.b_flag=2)cout<<"圖書已經借出，請選擇其它圖書"<<endl;return;if(t_rd.rdarrayrsuffix.r_bor=1)cout<<"

24、你已經借過圖書，請先歸還再借其它圖書"<<endl;return;t_bd.btarraybsuffix.b_flag=2;t_rd.rdarrayrsuffix.r_bor=1;t_rd.rdarrayrsuffix.brbook=t_bd.btarraybsuffix;return;if(br='2')rsuffix=t_rd.findreaders(rdid);bsuffix=t_bd.findbooks(bkid);if (rsuffix=-1 | bsuffix=-1 )return;if(t_rd.rdarrayrsuffix.brbook.n

25、o=t_bd.btarraybsuffix.no)t_bd.btarraybsuffix.b_flag=1;t_rd.rdarrayrsuffix.r_bor=2;t_rd.rdarrayrsuffix.brbook=t_bd.btarraybsuffix;elsecout<<"請重新輸入，讀者借的圖書號不正確"<<endl;return;return;void booksmange() char in;bdatabase bd;dobookjiemain();cin>>in;switch (in)case '1':bd.addbooks();break;case '2':bd.editbooks();break;case '3':bd.delbooks();break;case '4':bd.findbooks();break;case '5':bd.listbooks();break;