图书馆管理系统源程序

1、#include <iostream>#include <iomanip>#include <string>#include<stdlib.h>#include<stdio.h>#include<conio.h>#include <fstream>/输入/输出文件流类using namespace std;const int Maxr=100;/最多的读者const int Maxb=100;/最多的图书const int Maxbor=5;/每位读者最多借五本书/读者类,实现对读者的信息的描述class Re

2、ader private:int tag; /删除标记 1:已删 0:未删int no; /读者编号char name10; /读者姓名int borbookMaxbor;/所借图书 public:Reader() char *getname() return name; /获取姓名int gettag() return tag; /获取删除标记 int getno() return no; /获取读者编号 void setname(char na) /设置姓名 strcpy(name,na);void delbook() tag=1; /设置删除标记 1:已删 0:未删void addrea

3、der(int n,char *na)/增加读者 tag=0;no=n;strcpy(name,na);for(int i=0;i<Maxbor;i+)borbooki=0;void borrowbook(int bookid)/借书操作for(int i=0;i<Maxbor;i+) if (borbooki=0)borbooki=bookid;return;int retbook(int bookid)/还书操作 for(int i=0;i<Maxbor;i+) if(borbooki=bookid)borbooki=0;return 1;return 0;void di

4、sp()/读出读者信息 cout << setw(5) << no <<setw(10) << name<<"借书编号："for(int i=0;i<Maxbor;i+)if(borbooki!=0)cout << borbooki << "|"cout << ""<<endl;int Reader:jieshu(int i) return borbooki; ;/读者类库，实现建立读者的个人资料 class RDatab

5、ase private: int top; /读者记录指针 Reader readMaxr;/读者记录public:RDatabase() /构造函数，将reader.txt读到read中Reader s;top=-1;fstream file("reader.txt",ios:in);/打开一个输入文件while (1)file.read(char *)&s,sizeof(s);if (!file)break;top+;readtop=s;file.close(); /关闭 reader.txt void clear()/删除所有读者信息top=-1;int ad

6、dreader(int n,char *na)/添加读者时先查找是否存在Reader *p=query(n);if (p=NULL) top+; readtop.addreader(n,na); return 1;return 0; Reader *query(int readerid)/按编号查找for (int i=0;i<=top;i+)if (readi.getno()=readerid && readi.gettag()=0)return &readi;return NULL;void disp() /输出所有读者信息 for (int i=0;i<

7、;=top;i+) readi.disp();void readerdata();/读者库维护RDatabase() /析构函数，将read写到reader.txt文件中fstream file("reader.txt",ios:out); for (int i=0;i<=top;i+)if (readi.gettag()=0)file.write(char *)&readi,sizeof(readi);file.close(); ;void RDatabase:readerdata() char choice;char rname20;int readeri

8、d;Reader *r;while (choice!='0') cout <<"nnttt读 者 维 护nnntt 1 新 增nntt 2 更 改nntt 3 删 除nntt 4 查 找nntt 5 显 示nntt 6 全 删nntt 0 退 出"<<endl;cin >> choice;switch (choice) case '1':cout << "输入读者编号:"cin >> readerid;cout << "输入读者姓名:&quo

9、t;cin >> rname;addreader (readerid,rname);break; case '2':cout << "输入读者编号:"cin >> readerid;r=query(readerid);if (r=NULL)cout << " 该读者不存在 "<<endl; break;cout << "输入新的姓名:"cin >> rname;r->setname(rname); break; case '

10、;3': cout << " 输入读者编号:" cin >> readerid;r=query(readerid);if (r=NULL) cout <<" 该读者不存在" << endl; break;r->delbook();break;case '4':cout << "读入读者编号:"cin >> readerid;r=query(readerid);if (r=NULL)cout <<"该读者不存在&q

11、uot;<< endl;break;r->disp();break;case '5':disp();break;case '6':clear();break;default:cout<<"输入错误，请从新输入："break;/图书类，实现对图书的描述，图书的编号，书名，借出，还入等class Bookprivate: int tag;/删除标记 1:已删 0:未删int no;/图书编号char name20;/书名int onshelf;/是否再架 1:再架 2:已借public:Book()char *get

12、name() return name; /获取姓名int getno() return no; /获取图书编号int gettag() return tag; /获取删除标记void setname(char na)/设置书名strcpy(name,na);void delbook() tag=1;/删除图书void addbook(int n,char *na)/增加图书tag=0;no=n;strcpy(name,na);onshelf=1;int borrowbook()/借书操作if (onshelf=1)onshelf=0;return 1;return 0;void retbook

13、()/还书操作onshelf=1;void disp()/输出图书cout << setw(6) << no << setw(18) << name << setw(10)<<(onshelf=1? "在架":"已借") <<endl;/图书库类，实现对图书的维护，查找，删除等class BDatabaseprivate: int top; /图书记录指针Book bookMaxb; /图书记录public:BDatabase()/构造函数，将book.txt读到book

14、中 Book b;top=-1;fstream file("book.txt",ios:in);while (1)file.read(char *)&b,sizeof(b);if (!file) break;top+;booktop=b;file.close(); void clear()/全删top=-1; int addbook(int n,char *na)/增加图书Book *p=query(n);if (NULL=p)top+;booktop.addbook(n,na);return 1;return 0;Book *query(int bookid)/查

15、找图书for (int i=0;i<=top;i+)if (booki.getno()=bookid &&booki.gettag()=0)return &booki;return NULL;void bookdata();/图书库维护void disp() for (int i=0;i<=top;i+) if (booki.gettag()=0) booki.disp();BDatabase()/析构函数，将book写到book.txt文件中fstream file("book.txt",ios:out); for (int i=0;i

16、<=top;i+)if (booki.gettag()=0)file.write(char *)&booki,sizeof(booki);file.close();void BDatabase:bookdata() char choice;char bname40;int bookid;Book *b;while (choice!='0')cout <<"nnnttt图 书 维 护 "<<endl<<endl;cout<<"tt1 新 增n tt2 更 改ntt3 删 除ntt4 查 找

17、ntt5 显 示ntt6 全 删ntt0 退 出"<<endl;cin >> choice;switch (choice)case '0':break; case '1':cout << "输入图书编号:"<<endl;cin >> bookid; cout << "输入图书书名:"<<endl;cin >> bname;addbook(bookid,bname);break; case '2':cou

18、t << "输入图书编号:"<<endl;cin >> bookid;b=query(bookid);if (b=NULL)cout << " 该图书不存在 "<<endl; break;cout << "输入新的书名:"<<endl;cin >> bname;b->setname(bname); break; case '3': cout <<" 读入图书编号:"<<end

19、l; cin >> bookid;b=query(bookid);if (b=NULL) cout <<" 该图书不存在" << endl; break;b->delbook();break;case '4':cout << " 读入图书编号:"<<endl;cin >> bookid;b=query(bookid);if (b=NULL)cout <<" 该图书不存在"<< endl;break;b->disp

20、();break;case '5':disp();break;case '6':clear();break;default:cout<<"输入错误，请从新输入:"/main() 函数的实现，程序的主界面的引导int main()char a="111111",m10,c; int n=0,k,asd=0,i;char choice;int bookid,readerid;RDatabase ReaderDB;Reader *r;BDatabase BookDB;Book *b;while(1)cout<&

21、lt;" 图书管图书管理系统 n" cout<<" 菜单 n" cout<<" 1 图书管理员 n" cout<<" 2 读 者 n" cout<<" 0 退出 n"cout<<"请输入您的选择(0-2)n"cin>>choice;switch (choice)case'0':return 0;case'1':cout<<"n请输入密码，你将拥有3次机

22、会:n"while(1)n+;k=0;if(n>3)cout<<"你已经超过输入次数，系统将退出n"cout<<"ntt-操作完成!-"<<endl; getch();break;cout<<"输入密码:"while(1)c=getch();if(c=13)break;mk=c;k+;cout<<"*"mk='0'cout<<"ntt-操作完成!-"<<endl;cout<&

23、lt;"n"if(strcmp(a,m)=0)cout <<"1 图书维护n2 读者维护n0 离 开"<<endl;cin >> choice;switch (choice)case '1':BookDB.bookdata();break;case '2': ReaderDB.readerdata(); break;case '0':break;default:cout<<"输入错误，请重新输入："else cout<<&quo

24、t;密码错误，请重新输入n"continue;cout<<"n"cout<<"ntt-操作完成!-"<<endl;break;break;case '2':cout <<"1 借书n2 还书 n0 离 开"<<endl;cin>>choice;switch (choice)case '1':cout <<" 借书 读者编号:"cin >>readerid;cout <<" 图书编号： "cin >>bookid;r=ReaderDB.query(readerid);/按编号查找if (NULL=r)cout <<" 不存在该读者，不能借书"<< endl;break;b=BookDB.query(bookid);if (b=NULL)