C++实现图书管理系统课程设计
本文实例为大家分享了C++实现图书管理系统的具体代码，供大家参考，具体内容如下
大一 C++课设，没有用分文件的形式，只是把菜单页面单独分开了。用的是链表，都是一些基础的东西。另外采用了二维数组来保存读者借书信息，并将二维数组读入文件中。
功能：
1.首先是注册，登录，找回密码和修改密码功能，登录和注册使用了多态，并且登录页面采用了*符号加密。
2.管理员在删除图书时，若用户此时已将此书借走，则会将此书从用户的借书书单中删去，实现了动态管理。
3.容错率极高，每个页面都有返回上一页面的功能。
4.每个页面都有设置有滚键盘机制，提高了容错率。
菜单：
#pragma once void _mainmenu(); void Loginmenu(); void Registmenu(); void readermenu(); void mangermenu(); void changebookmenu(); void browsemenu();
菜单文件
#include "menu.h"
#include <cstdio>
void _mainmenu()
{
printf("\n\n");
printf(" 欢 迎 使 用 图 书 管 理 系 统 ！\n");
printf(" **************************************************\n");
printf(" ** 1.登录 **\n");
printf(" ** **\n");
printf(" ** 2.注册 **\n");
printf(" ** **\n");
printf(" ** 3.找回密码 **\n");
printf(" ** **\n");
printf(" ** 4.退出 **\n");
printf(" **************************************************\n");
printf("请按键选择:");
}
void Loginmenu()
{
printf(" 登录页面\n");
printf(" **************************************************\n");
printf(" ** 1.管理员登录 **\n");
printf(" ** **\n");
printf(" ** 2.用户登录 **\n");
printf(" ** **\n");
printf(" ** 3.返回 **\n");
printf(" ** **\n");
printf(" ** 4.退出 **\n");
printf(" **************************************************\n");
printf("请按键选择:");
}
void Registmenu()
{
printf(" 注册页面\n");
printf(" **************************************************\n");
printf(" ** 1.管理员注册 **\n");
printf(" ** **\n");
printf(" ** 2.用户注册 **\n");
printf(" ** **\n");
printf(" ** 3.返回 **\n");
printf(" ** **\n");
printf(" ** 4.退出 **\n");
printf(" **************************************************\n");
printf("请按键选择:");
}
void readermenu()
{
printf(" 用户页面\n");
printf(" **************************************************\n");
printf(" ** 1.借书 **\n");
printf(" ** **\n");
printf(" ** 2.还书 **\n");
printf(" ** **\n");
printf(" ** 3.浏览图书信息 **\n");
printf(" ** **\n");
printf(" ** 4.查看已借阅书籍 **\n");
printf(" ** **\n");
printf(" ** 5.修改密码 **\n");
printf(" ** **\n");
printf(" ** 6.返回 **\n");
printf(" ** **\n");
printf(" ** 7.退出 **\n");
printf(" **************************************************\n");
printf("请按键选择:");
}
void mangermenu()
{
printf(" 管理员页面\n");
printf(" **************************************************\n");
printf(" ** 1.增加图书 **\n");
printf(" ** **\n");
printf(" ** 2.删除图书 **\n");
printf(" ** **\n");
printf(" ** 3.修改图书信息 **\n");
printf(" ** **\n");
printf(" ** 4.查看读者信息 **\n");
printf(" ** **\n");
printf(" ** 5.浏览图书信息 **\n");
printf(" ** **\n");
printf(" ** 6.修改密码 **\n");
printf(" ** **\n");
printf(" ** 7.返回 **\n");
printf(" ** **\n");
printf(" ** 8.退出 **\n");
printf(" **************************************************\n");
printf("请按键选择:");
}
void changebookmenu()
{
printf("\n\n");
printf("\t\t\t\t*******************************\n");
printf("\t\t\t\t** 1.修改id号 **\n");
printf("\t\t\t\t** **\n");
printf("\t\t\t\t** 2.修改图书名称 **\n");
printf("\t\t\t\t** **\n");
printf("\t\t\t\t** 3.修改图书作者 **\n");
printf("\t\t\t\t** **\n");
printf("\t\t\t\t** 4.修改出版社 **\n");
printf("\t\t\t\t** **\n");
printf("\t\t\t\t** 5.修改图书数量 **\n");
printf("\t\t\t\t** **\n");
printf("\t\t\t\t** 6.修改是否可借 **\n");
printf("\t\t\t\t** **\n");
printf("\t\t\t\t** 7.返回 **\n");
printf("\t\t\t\t*******************************");
printf("\n\n");
}
void browsemenu()
{
printf("\n\n\n\n");
printf("\t\t\t\t***********************************\n");
printf("\t\t\t\t** 1.按id号浏览 **\n");
printf("\t\t\t\t** **\n");
printf("\t\t\t\t** 2.按图书数量浏览 **\n");
printf("\t\t\t\t** **\n");
printf("\t\t\t\t** 3.返回 **\n");
printf("\t\t\t\t** **\n");
printf("\t\t\t\t** 4.退出 **\n");
printf("\t\t\t\t***********************************\n");
printf("请按键选择:");
}
主程序
#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
#include <Windows.h>
#include <string>
#include <fstream>
#include <conio.h>
#include "menu.h"
using namespace std;
class User
{
protected :
char account[20];
char password[20];
char spassword[20];
public :
virtual void Login() = 0;
virtual void Regist() = 0;
virtual void save() = 0;
virtual void BrowseBook() = 0;
virtual void ChangePassword() = 0;
virtual void FindPassword() = 0;
};
class Reader : public User
{
private:
int number;
string name;
string sex;
int books; // 借书数量
int bookcnt;// 借阅次数
char booklist[20][20];// 储存借阅书籍
class Reader* next;
public :
virtual void Login();
virtual void Regist();
virtual void save();
virtual void BrowseBook();
virtual void ChangePassword();
virtual void FindPassword();
void creat();
void BrowseBorrowBook(Reader* pp);
void BorrowBook(Reader* pp);
void ReturnBook(Reader* pp);
public :
void set_number(int _number) { number = _number; };
void set_name(string _name) { name = _name; };
void set_sex(string _sex) { sex = _sex; };
void set_next(Reader* p) { next = p; };
void set_books(int _books) { books = _books; };
void set_bookcnt(int _bookcnt) { bookcnt = _bookcnt; };
int get_bookcnt() { return bookcnt; };
int get_number() { return number; };
int get_books() { return books; };
Reader* get_next() { return next; }
string get_name() { return name; };
string get_sex() { return sex; };
char* get_account(Reader* p) { return p->account; };
char* get_password(Reader* p) { return p->password; };
char* get_spassword(Reader* p) { return p->spassword; };
char* get_booklist(Reader* p, int i) { return p->booklist[i]; };
};
class Manger : public User
{
private:
class Manger* next;
public :
virtual void Login();
virtual void Regist();
virtual void BrowseBook();
virtual void save();
virtual void ChangePassword();
virtual void FindPassword();
void creat();
void AddBook();
void ChangeBook();
void DeleteBook();
void DeleteReaderBook(char* bookname);
void BrowseReader();
public :
void set_next(Manger* p) { next = p; };
Manger* get_next() { return next; };
char* get_account(Manger* p) { return p->account; };
char* get_password(Manger* p) { return p->password; };
char* get_spassword(Manger* p) { return p->spassword; };
};
class Book
{
private:
int id;
int amount;
int flag;
string bookname;
string author;
string press;
class Book* next;
public :
void creat();
void save();
void show_book();
void set_id(int _id) { id = _id; };
void set_amount(int _amount) { amount = _amount; };
void set_flag(int _flag) { flag = _flag; };
void set_bookname(string _bookname) { bookname = _bookname; };
void set_author(string _author) { author = _author; };
void set_press(string _press) { press = _press; };
void set_next(Book* p) { next = p; };
int get_id() { return id; };
int get_amount() { return amount; };
int get_flag() { return flag; };
string get_bookname() { return bookname; };
string get_author() { return author; };
string get_press() { return press; };
Book* get_next() { return next; };
};
class DBFile
{
public :
void cls();
void over();
void login();
void useLogin(User* base);
void regist();
void useRegist(User* base);
void usebrowsebook(User* base);
void usesave(User* base);
void usechangepassword(User* base);
void usefindpassword(User* base);
void findpassword();
int exist(char* acconut, int flag);
void _main();
void idsort();
void bookamountsort();
void showidsort();
void showbookamountsort();
void mangerfunction();
void readerfunction(Reader* rp);
};
Reader* rhead = NULL; Reader* _rend = NULL;
Manger* mhead = NULL, * mend = NULL;
Book* bhead = NULL; Book* bend = NULL;
char code[20] = "glysw";
// 读者类
void Reader::Login()
{
int cnt = 4;
int flag = 0;
int k = 0;
int i;
char c;
DBFile* fp = new DBFile;
Reader* p = rhead->get_next();
char rpassword[2000];
char raccount[2000];
cout << "\n\n\n\n\n\n\n";
printf("请输入您的账户(按0退出):");
while (cin >> raccount)
{
if (strcmp(raccount, "0") == 0)
{
return;
}
if (strlen(raccount) <= 16)
{
break;
}
else
{
cout << "请输入长度为1到16位的账户:";
}
}
cout << "请输入您的密码(按0退出):";
for (i = 0; (c = _getch()) != '\r';)
{
if (c == '0')
{
return;
}
if (i <= 15 && isprint(c))
{
rpassword[i] = c;
i++;
k++;
cout << "*";
}
if (k > 0 && c > 0 && c == '\b')
{
i--;
k--;
cout << "\b";
cout << " ";
cout << "\b";
}
}
rpassword[i] = '\0';
cout << "\n";
while (p)
{
if (strcmp(p->account, raccount) == 0)
{
flag = 1;
while (strcmp(p->password, rpassword) != 0)
{
cnt--;
if (cnt == 1)
{
fp->cls();
cout << "\n\n\n\n\n\n\n";
cout << "密码输入次数已用完！ " << "\n" << "即将退出登录页面...";
Sleep(3000);
fp->cls();
return;
}
cout << "密码错误！您还有" << cnt - 1 << "次机会\n" << endl;
cout << "请重新输入(按0退出):";
k = 0;
for (i = 0; (c = _getch()) != '\r';)
{
if (c == '0')
{
return;
}
if (i <= 15 && isprint(c))
{
rpassword[i] = c;
i++;
k++;
cout << "*";
}
if (k > 0 && c > 0 && c == '\b')
{
i--;
k--;
cout << "\b";
cout << " ";
cout << "\b";
}
}
rpassword[i] = '\0';
cout << "\n";
}
cout << "读者" << raccount << "登陆成功！\n" << "即将跳转至读者页面..." << endl;
Sleep(2000);
fp->cls();
fp->readerfunction(p);
return;
}
p = p->get_next();
}
if (!flag)
{
cout << "不存在此账号！\n请先前往注册！\n" << endl;
cout << "即将跳转至主页面...";
Sleep(2000);
}
}
void Reader::Regist()
{
DBFile* fp = new DBFile;
Reader* rp = new Reader;
char raccount[2000];
char rpassword[2000];
char rspassword[2000];
char name[200];
char sex[10];
int number;
Reader* p = new Reader;
cout << "\n\n\n\n\n\n\n";
cout << "请输入账户(按0退出):";
while (cin >> raccount)
{
if (strcmp(raccount, "0") == 0)
{
return;
}
if (strlen(raccount) <= 16 && !fp->exist(raccount, 0))
{
break;
}
else if (fp->exist(raccount, 1))
{
cout << "该账户已存在！请重新输入(按0退出):";
}
else
{
cout << "请输入长度为1到16位的账户:";
}
}
strcpy_s(p->account, raccount);
cout << "请输入密码(按0退出):";
while (cin >> rpassword)
{
if (strcmp(rpassword, "0") == 0)
{
return;
}
if (strlen(rpassword) <= 16)
{
break;
}
else
{
cout << "请输入长度为1到16位的密码(按0退出):";
}
}
strcpy_s(p->password, rpassword);
cout << "请输入您的密保(按0退出):";
while (cin >> rspassword)
{
if (strcmp(rspassword, "0") == 0)
{
return;
}
if (strlen(rspassword) <= 16)
{
break;
}
else
{
cout << "请输入长度为1到16位的密保(按0退出):";
}
}
strcpy_s(p->spassword, rspassword);
cout << "请输入您的姓名(按0退出):";
cin >> name;
if (strcmp(name, "0") == 0)
{
return;
}
p->name = name;
cout << "请输入您的性别(按0退出):";
while (cin >> sex)
{
if (strcmp(sex, "0") == 0)
{
return;
}
if (strcmp(sex, "男") == 0 || strcmp(sex, "女") == 0)
{
p->sex = sex;
break;
}
else
{
cout << "请输入男或女(按0退出):";
}
}
cout << "请输入您的学号(按0退出):";
while (cin >> number)
{
if (number == 0)
{
return;
}
if (number >= 0)
{
p->number = number;
break;
}
else
{
cout << "请输入正确格式的学号(按0退出):";
}
}
_rend->set_next(p);
_rend = p;
_rend->set_next(NULL);
rp->save();
fp->cls();
printf("\n\n\n\n\n\n\n");
printf("\t\t\t\t\t*******************************\n");
printf("\t\t\t\t\t** **\n");
printf("\t\t\t\t\t 读者%s注册成功！！ \n", raccount);
printf("\t\t\t\t\t** 即将跳转至主页面... **\n");
printf("\t\t\t\t\t** **\n");
printf("\t\t\t\t\t*******************************\n");
Sleep(1500);
}
void Reader::save()
{
Reader* rp = rhead->get_next();
ofstream f_reader("reader.txt", ios::out);
while (rp)
{
f_reader << rp->account << " " << rp->password << " " << rp->spassword << " " << rp->number
<< " " << rp->name << " " << rp->sex << " " << rp->bookcnt << " " << rp->books;
for (int i = 0; i < rp->bookcnt; i++)
{
f_reader << " " << booklist[i];
}
f_reader << endl;
rp = rp->get_next();
}
f_reader.close();
}
void Reader::BrowseBook()
{
DBFile* fp = new DBFile;
int sign = 0;
while (1)
{
fp->cls();
browsemenu();
char choose = _getch();
switch (choose)
{
case '1':
fp->cls();
fp->showidsort();
break;
case '2':
fp->cls();
fp->showbookamountsort();
break;
case '3':
fp->cls();
sign = 1;
break;
case '4':
fp->cls();
fp->over();
break;
default:
break;
}
if (sign)
{
break;
}
}
}
void Reader::creat()
{
ifstream f_reader("reader.txt", ios::in);
char _account[20];
char _password[20];
char _spassword[20];
int number;
int bookcnt;
int books;
char name[20];
char sex[20];
char booklist[20][20];
while (f_reader >> _account && f_reader >> _password && f_reader >> _spassword)
{
Reader* p = new Reader;
strcpy_s(p->account, _account);
strcpy_s(p->password, _password);
strcpy_s(p->spassword, _password);
_rend->set_next(p);
p->set_next(NULL);
_rend = _rend->get_next();
}
while (f_reader >> number && f_reader >> name && f_reader >> sex
&& f_reader >> bookcnt && f_reader >> books)
{
Reader* p = new Reader;
p->number = number;
p->sex = sex;
p->name = name;
p->bookcnt = bookcnt;
p->books = books;
_rend->set_next(p);
p->set_next(NULL);
_rend = _rend->get_next();
}
while (f_reader >> bookcnt)
{
Reader* p = new Reader;
for (int i = 0; i < bookcnt; i++)
{
f_reader >> booklist[i];
strcpy_s(p->booklist[i], booklist[i]);
}
_rend->set_next(p);
p->set_next(NULL);
_rend = _rend->get_next();
}
f_reader.close();
}
void Reader::BrowseBorrowBook(Reader* pp)
{
int cnt = pp->bookcnt;
long long sign;
if (cnt == 0)
{
printf("\n\n\n\n\n\n\n");
printf("\t\t\t\t\t\t您还未借阅任何书籍！\n");
}
printf("\n\n\n\n\n\n");
for (int i = 0; i < cnt; i++)
{
printf("\t第%d次借阅的书籍:", i + 1);
printf("%s\t", pp->get_booklist(pp, i));
cout << "借阅数量:" << pp->get_books() << endl;
}
printf("\n\n请输入0退出:");
while (scanf("%lld", &sign))
{
if (sign == 0)
{
break;
}
else
{
printf("-------------无效的输入！请重新输入！");
}
}
}
void Reader::BorrowBook(Reader* pp)
{
Book* bp = bhead->get_next();
Book* _bp = new Book;
_bp->show_book();
char bookname[200];
int amount;
int flag = 1;
int sign = 1;
int exist = 0;
cout << "\n\n\n\n";
cout << "请输入要借书的名称(按0退出):";
cin >> bookname;
if (strcmp(bookname, "0") == 0)
{
return;
}
while (bp)
{
if (bp->get_bookname() == bookname)
{
if (bp->get_amount() == 0)
{
cout << "此书无余量！\n";
sign = 0;
}
if (bp->get_flag() == 0)
{
cout << "此书不可借！\n";
flag = 0;
}
if (sign == 1 && flag == 1)
{
cout << "请输入要借阅书籍的数量:";
while (cin >> amount)
{
if (bp->get_amount() < amount)
{
cout << "借阅数量超过此书已有库存！请重新输入:";
}
else
{
int a = pp->get_books() + amount;
pp->set_books(a);
int b = bp->get_amount() - amount;
bp->set_amount(b);
break;
}
}
pp->bookcnt++;
strcpy_s(pp->booklist[pp->bookcnt - 1], bookname);
pp->save();
bp->save();
exist = 1;
break;
}
}
bp = bp->get_next();
}
if (exist == 0 && sign == 1 && flag == 1)
{
cout << "不存在此书！！\n";
}
else if (exist == 1)
{
cout << "图书:" << bookname << "借阅成功！！\n";
}
cout << "页面即将跳转...";
Sleep(1200);
}
void Reader::ReturnBook(Reader* pp)
{
Book* bp = bhead->get_next();
char bookname[200];
int amount;
int exist = 0;
int flag = 0;
int cnt = pp->bookcnt;
if (cnt == 0)
{
printf("\n\n\n\n\n\n\n");
printf("\t\t\t\t\t\t您还未借阅任何书籍！\n");
system("pause");
return;
}
printf("\n\n\n\n\n\n");
for (int i = 0; i < cnt; i++)
{
cout << "-------------第" << i + 1 << "次借阅的书籍:" << pp->booklist[i] << "\t\t";
cout << "借阅数量:" << pp->books << endl;
}
cout << "请输入您要退还的书籍(按0退出):";
while (cin >> bookname)
{
if (strcmp(bookname, "0") == 0)
{
return ;
}
for (int i = 0; i < pp->bookcnt; i++)
{
if (strcmp(pp->booklist[i], bookname) == 0)
{
flag = i;
exist = 1;
break;
}
}
if (!exist)
{
cout << "未查询到该书!\n";
cout << "请重新输入(按0退出):";
}
else
{
break;
}
}
while (bp)
{
if (bp->get_bookname() == bookname)
{
cout << "请输入您要退还书籍的数量:";
while (cin >> amount)
{
if (pp->books < amount)
{
cout << "您未持有此数量的书籍!\n";
cout << "请重新输入:";
}
else
{
int a = pp->books - amount;
int b = bp->get_amount() + amount;
pp->set_books(a);
bp->set_amount(b);
break;
}
}
}
bp = bp->get_next();
}
if (pp->books == 0)
{
for (int i = flag; i < pp->books - 1; i++)
{
strcpy_s(pp->booklist[i], pp->booklist[i + 1]);
}
pp->bookcnt--;
}
pp->save();
bp->save();
cout << bookname << "退还成功！！\n";
cout << "即将返回上一页面...";
Sleep(1100);
}
void Reader::FindPassword()
{
Reader* rp = rhead->get_next();
char password[200];
char account[200];
char spassword[200];
int flag = 0;
int sign = 0;
cout << "请输入您的账户(按0退出):";
while (cin >> account)
{
if (strcmp(account, "0") == 0)
{
return;
}
while (rp)
{
if (strcmp(rp->get_account(rp), account) == 0)
{
flag = 1;
break;
}
rp = rp->get_next();
}
if (flag)
{
break;
}
else
{
printf("此账号不存在！请重新输入(按0退出):");
rp = rhead->get_next();
}
}
if (flag)
{
rp = rhead->next;
printf("请输入您设置的密保(按0退出):");
while (cin >> spassword)
{
if (strcmp(spassword, "0") == 0)
{
return;
}
while (rp)
{
if (strcmp(rp->get_spassword(rp), spassword) == 0)
{
sign = 1;
break;
}
rp = rp->get_next();
}
if (sign)
{
printf("密保输入正确！\n");
printf("您的密码为%s\n", rp->get_password(rp));
system("pause");
return;
}
else
{
printf("-------------密保输入错误！请重新输入(按0退出):");
rp = rhead->get_next();
}
}
}
}
void Reader::ChangePassword()
{
DBFile* fp = new DBFile;
Reader* p = rhead->get_next(), * rp = new Reader;
int flag = 0;
int sign = 0;
char raccount[200];
char rpassword[200];
char rspassword[200];
cout << "请输入您的账户(按0退出):";
while (cin >> raccount)
{
if (strcmp(raccount, "0") == 0)
{
return;
}
while (p)
{
if (strcmp(p->account, raccount) == 0)
{
flag = 1;
break;
}
p = p->get_next();
}
if (flag)
{
break;
}
else
{
cout << "此账号不存在！请重新输入(按0退出):";
p = rhead->get_next();
}
}
if (flag)
{
p = rhead->get_next();
cout << "请输入您设置的密保(按0退出):";
while (cin >> rspassword)
{
if (strcmp(rspassword, "0") == 0)
{
return;
}
while (p)
{
if (strcmp(p->spassword, rspassword) == 0)
{
sign = 1;
break;
}
p = p->get_next();
}
if (sign)
{
cout << "请输入修改后的密码(按0退出):";
while (cin >> rpassword)
{
if (strcmp(rpassword, "0") == 0)
{
return;
}
if (strlen(rpassword) <= 16)
{
break;
}
else
{
cout << "请输入长度为1到16位的密码(按0退出):";
}
}
strcpy_s(p->password, rpassword);
cout << "密码修改成功！";
fp->usesave(p);
system("pause");
return;
}
else
{
cout << "密保输入错误！！请重新输入(按0退出):";
p = rhead->get_next();
}
}
}
}
// 数据操作类
void DBFile::cls()
{
system("cls");
}
void DBFile::over()
{
DBFile* dbp = new DBFile;
dbp->cls();
system("color 6");
int time = 6;
printf("\n\n\n\n\n\n\n\n\n");
printf("\t\t\t\t\t\t感谢您的使用！！\n\n\n\n\n");
printf(" 程序即将关闭...");
while (--time >= 1)
{
printf("\r%d", time);
printf("\b");
Sleep(1000);
}
dbp->cls();
exit(0);
}
void DBFile::login()
{
Reader* rp = new Reader;
Manger* mp = new Manger;
int sign = 0;
while (1)
{
cls();
Loginmenu();
char choose = _getch();
switch (choose)
{
case '1':
cls();
useLogin(mp);
break;
case '2':
cls();
useLogin(rp);
break;
case '3':
cls();
sign = 1;
break;
case '4':
cls();
over();
break;
default:
cout << "输入无效！！";
break;
}
if (sign)
{
break;
}
}
}
void DBFile::useLogin(User* base)
{
base->Login();
}
void DBFile::regist()
{
Reader* rp = new Reader;
Manger* mp = new Manger;
int sign = 0;
while (1)
{
cls();
Registmenu();
char choose = _getch();
switch (choose)
{
case '1':
cls();
useRegist(mp);
break;
case '2':
cls();
useRegist(rp);
break;
case '3':
cls();
sign = 1;
break;
case '4':
cls();
over();
break;
default:
cout << "无效输入！！";
break;
}
if (sign)
{
break;
}
}
}
void DBFile::usesave(User* base)
{
base->save();
}
void DBFile::usechangepassword(User* base)
{
base->ChangePassword();
}
void DBFile::useRegist(User* base)
{
base->Regist();
}
void DBFile::usebrowsebook(User* base)
{
base->BrowseBook();
}
void DBFile::usefindpassword(User* base)
{
base->FindPassword();
}
void DBFile::findpassword()
{
printf("\n\n\n\n\n\n");
printf("\t\t\t\t\t********************************\n");
printf("\t\t\t\t\t** **\n");
printf("\t\t\t\t\t** 1.管理员找回密码 **\n");
printf("\t\t\t\t\t** **\n");
printf("\t\t\t\t\t** 2.用户找回密码 **\n");
printf("\t\t\t\t\t** **\n");
printf("\t\t\t\t\t** 3.返回 **\n");
printf("\t\t\t\t\t** **\n");
printf("\t\t\t\t\t********************************\n");
printf("请按键选择:");
int choose;
int sign = 0;
Reader* rp = new Reader;
Manger* mp = new Manger;
scanf("%d", &choose);
while (1)
{
cls();
switch (choose)
{
case 1:
cls();
usefindpassword(mp);
sign = 1;
break;
case 2:
cls();
usefindpassword(mp);
sign = 1;
break;
case 3:
sign = 1;
break;
default:
printf("输入无效！");
break;
}
if (sign)
{
break;
}
}
}
int DBFile::exist(char* account, int flag)
{
if (flag == 0)
{
Reader* p = rhead->get_next();
while (p != NULL)
{
if (strcmp(account, p->get_account(p)) == 0)
{
return 1;
}
p = p->get_next();
}
}
else if (flag == 1)
{
Manger* p = mhead->get_next();
while (p != NULL)
{
if (strcmp(account, p->get_account(p) ) == 0)
{
return 1;
}
p = p->get_next();
}
}
return 0;
}
void DBFile::_main()
{
while (1)
{
cls();
_mainmenu();
char choose = _getch();
switch (choose)
{
case '1':
cls();
login();
break;
case '2':
cls();
regist();
break;
case '3':
cls();
findpassword();
break;
case '4':
cls();
over();
break;
default:
cout << "无效输入！！";
break;
}
}
}
void DBFile::idsort()
{
Book* f, *x, *y, *p;
f = NULL;
if (bhead->get_next() == NULL || bhead->get_next()->get_next() == NULL)
{
return;
}
while (f != bhead->get_next()->get_next())
{
for (p = bhead; p->get_next()->get_next() != f; p = p->get_next())
{
if (p->get_next()->get_id() > p->get_next()->get_next()->get_id())
{
x = p->get_next();
y = p->get_next()->get_next();
p->set_next(y);
x->set_next(y->get_next());
y->set_next(x);
}
}
f = p->get_next();
}
}
void DBFile::bookamountsort()
{
Book* f, * x, * y, * p;
f = NULL;
if (bhead->get_next() == NULL || bhead->get_next()->get_next() == NULL)
{
return;
}
while (f != bhead->get_next()->get_next())
{
for (p = bhead; p->get_next()->get_next() != f; p = p->get_next())
{
if (p->get_next()->get_amount() > p->get_next()->get_next()->get_amount())
{
x = p->get_next();
y = p->get_next()->get_next();
p->set_next(y);
x->set_next(y->get_next());
y->set_next(x);
}
}
f = p->get_next();
}
}
void DBFile::showidsort()
{
DBFile* fp = new DBFile;
Book* bp = new Book;
fp->idsort();
bp->show_book();
system("pause");
}
void DBFile::showbookamountsort()
{
DBFile* fp = new DBFile;
Book* bp = new Book;
fp->bookamountsort();
bp->show_book();
system("pause");
}
void DBFile::mangerfunction()
{
DBFile* fp = new DBFile;
Manger* mp = new Manger;
int sign = 0;
int choose;
while (1)
{
fp->cls();
mangermenu();
cin >> choose;
switch (choose)
{
case 1:
fp->cls();
mp->AddBook();
break;
case 2:
fp->cls();
mp->DeleteBook();
break;
case 3:
fp->cls();
mp->ChangeBook();
break;
case 4:
fp->cls();
mp->BrowseReader();
break;
case 5:
fp->cls();
mp->BrowseBook();
break;
case 6:
fp->cls();
fp->usechangepassword(mp);
break;
case 7:
fp->cls();
sign = 1;
break;
case 8:
fp->cls();
fp->over();
break;
default:
cout << "输入无效！！";
break;
}
if (sign)
{
break;
}
}
}
void DBFile::readerfunction(Reader* pp)
{
DBFile* fp = new DBFile;
Reader* rp = new Reader;
int sign = 0;
while (1)
{
fp->cls();
readermenu();
char choose = _getch();
switch (choose)
{
case '1':
fp->cls();
rp->BorrowBook(pp);
break;
case '2':
fp->cls();
rp->ReturnBook(pp);
break;
case '3':
fp->cls();
fp->usebrowsebook(rp);
break;
case '4':
fp->cls();
rp->BrowseBorrowBook(pp);
break;
case '5':
fp->cls();
fp->usechangepassword(rp);
break;
case '6':
fp->cls();
sign = 1;
break;
case '7':
fp->over();
break;
default:
cout << "输入无效！！";
break;
}
if (sign)
{
break;
}
}
}
// 管理员类
void Manger::Login()
{
int cnt = 4;
int flag = 0;
int k = 0;
int i;
char c;
DBFile* fp = new DBFile;
Manger* p = mhead->get_next();
char mpassword[2000];
char maccount[2000];
cout << "\n\n\n\n\n\n\n";
printf("请输入您的账户(按0退出):");
while (cin >> maccount)
{
if (strcmp(maccount, "0") == 0)
{
return;
}
if (strlen(maccount) <= 16)
{
break;
}
else
{
cout << "请输入长度为1到16位的账户:";
}
}
cout << "请输入您的密码(按0退出):";
for (i = 0; (c = _getch()) != '\r';)
{
if (c == '0')
{
return;
}
if (i <= 15 && isprint(c))
{
mpassword[i] = c;
i++;
k++;
printf("*");
}
if (k > 0 && c > 0 && c == '\b')
{
i--;
k--;
printf("\b");
printf(" ");
printf("\b");
}
}
mpassword[i] = '\0';
printf("\n");
while (p)
{
if (strcmp(p->account, maccount) == 0)
{
flag = 1;
while (strcmp(p->password, mpassword) != 0)
{
cnt--;
if (cnt == 1)
{
fp->cls();
cout << "\n\n\n\n\n\n\n";
cout << "密码输入次数已用完！ " << "\n" << "即将退出登录页面...";
Sleep(3000);
fp->cls();
return;
}
cout << "密码错误！您还有"<< cnt - 1 << "次机会\n"<< endl;
cout << "请重新输入(按0退出):";
k = 0;
for (i = 0; (c = _getch()) != '\r';)
{
if (c == '0')
{
return;
}
if (i <= 15 && isprint(c))
{
mpassword[i] = c;
i++;
k++;
printf("*");
}
if (k > 0 && c > 0 && c == '\b')
{
i--;
k--;
printf("\b");
printf(" ");
printf("\b");
}
}
mpassword[i] = '\0';
printf("\n");
}
cout << "管理员"<< maccount << "登陆成功！\n" << "即将跳转至管理员页面..." << endl;
Sleep(2000);
fp->cls();
fp->mangerfunction();
return;
}
p = p->get_next();
}
if (!flag)
{
cout << "不存在此账号！\n请先前往注册！\n" << endl;
cout << "即将跳转至主页面...";
Sleep(2000);
}
}
void Manger::Regist()
{
DBFile* fp = new DBFile;
Manger* mp = new Manger;
char maccount[2000];
char mpassword[2000];
char mspassword[2000];
char mangercode[2000];
cout << "\n\n\n\n\n\n\n";
cout << "请输入管理员验证码:";
cin >> mangercode;
int cnt = 2;
while (--cnt >= 0)
{
if (strcmp(mangercode, code) == 0)
{
cout << "管理员验证成功！！\n" << "即将跳转至注册页面...";
Sleep(1000);
fp->cls();
break;
}
else
{
cout << "管理员验证失败！！\n" << "您还有" << cnt + 1 << "次机会\n";
cout << "请重新输入:";
cin >> mangercode;
}
if (cnt == 0)
{
cout << "输入次数已用完\n" << "即将退出管理员注册系统...";
Sleep(1000);
fp->cls();
return;
}
}
Manger* p = new Manger;
cout << "\n\n\n\n\n\n\n";
cout << "请输入账户(按0退出):";
while (cin >> maccount)
{
if (strcmp(maccount, "0") == 0)
{
return;
}
if (strlen(maccount) <= 16 && !fp->exist(maccount, 1))
{
break;
}
else if (fp->exist(maccount, 1))
{
cout << "该账户已存在！请重新输入(按0退出):";
}
else
{
cout << "请输入长度为1到16位的账户:";
}
}
strcpy_s(p->account, maccount);
cout << "请输入密码(按0退出):";
while (cin >> mpassword)
{
if (strcmp(mpassword, "0") == 0)
{
return;
}
if (strlen(mpassword) <= 16)
{
break;
}
else
{
cout << "请输入长度为1到16位的密码(按0退出):";
}
}
strcpy_s(p->password, mpassword);
cout << "请输入您的密保(按0退出):";
while (cin >> mspassword)
{
if (strcmp(mspassword, "0") == 0)
{
return;
}
if (strlen(mspassword) <= 16)
{
break;
}
else
{
cout << "请输入长度为1到16位的密保(按0退出):";
}
}
strcpy_s(p->spassword, mspassword);
mend->set_next(p);
mend = p;
mend->set_next(NULL);
mp->save();
fp->cls();
printf("\n\n\n\n\n\n\n");
printf("\t\t\t\t\t*******************************\n");
printf("\t\t\t\t\t** **\n");
printf("\t\t\t\t\t 管理员%s注册成功！！ \n", maccount);
printf("\t\t\t\t\t** 即将跳转至主页面... **\n");
printf("\t\t\t\t\t** **\n");
printf("\t\t\t\t\t*******************************\n");
Sleep(1500);
}
void Manger::BrowseBook()
{
DBFile* fp = new DBFile;
int sign = 0;
while (1)
{
fp->cls();
browsemenu();
char choose = _getch();
switch (choose)
{
case '1':
fp->cls();
fp->showidsort();
break;
case '2':
fp->cls();
fp->showbookamountsort();
break;
case '3':
fp->cls();
sign = 1;
break;
case '4':
fp->cls();
fp->over();
break;
default:
break;
}
if (sign)
{
break;
}
}
}
void Manger::save()
{
Manger* mp = mhead->get_next();
ofstream f_manger("manger.txt", ios::out);
while (mp)
{
f_manger << mp->account << " " << mp->password << " " << mp->spassword << endl;
mp = mp->get_next();
}
f_manger.close();
}
void Manger::creat()
{
char account[20];
char password[20];
char spassword[20];
ifstream f_manger("manger.txt", ios::in);
while (f_manger >> account && f_manger >> password && f_manger >> spassword)
{
Manger* p = new Manger;
strcpy_s(p->account, account);
strcpy_s(p->password, password);
strcpy_s(p->spassword, password);
mend->set_next(p);
p->set_next(NULL);
mend = mend->get_next();
}
f_manger.close();
}
void Manger::AddBook()
{
DBFile* fp = new DBFile;
Book* p = bhead->get_next();
int a;
int id = 0;
int amount;
char bookname[2000];
do
{
fp->cls();
cout << "\n\n\n\n\n";
cout << "请输入要添加书名id(按0退出):";
while (cin >> id)
{
if (id == 0)
{
return;
}
if (id < 0)
{
cout << "请输入正确格式的id号(按0退出):";
}
else
{
break;
}
}
int flag = 0;
while (p)
{
if (p->get_id() == id)
{
flag = 1;
break;
}
p = p->get_next();
}
if (flag)
{
cout << "已查出此书，请输入再次增加图书的数量:";
while (cin >> amount)
{
if (amount <= 199 && amount > 0)
{
int temp = p->get_amount() + amount;
p->set_amount(temp);
cout << "图书" << p->get_bookname() << "添加成功！";
break;
}
else
{
cout << "请输入数量为0-199以内的图书:";
}
}
}
else
{
p = new Book;
p->set_id(id);
cout << "请输入增加图书的数量:";
while (cin >> amount)
{
if (amount <= 199 && amount > 0)
{
p->set_amount(amount);
break;
}
else
{
cout << "请输入数量为0-199范围以内的图书:";
}
}
cout << "请输入是否可借:";
int sign = 0;
while (cin >> sign)
{
if (sign == 1 || sign == 0)
{
p->set_flag(sign);
break;
}
else if (sign < 0 || sign > 1)
{
cout << "请输入正确格式的可借标志(1为可借，0为不可借):";
}
}
char bookname[200];
cout << "请输入书名:";
cin >> bookname;
p->set_bookname(bookname);
char author[200];
cout << "请输作者:";
cin >> author;
p->set_author(author);
char press[200];
cout << "请输入出版社:";
cin >> press;
p->set_press(press);
bend->set_next(p);
bend = p;
bend->set_next(NULL);
}
p->save();
fp->cls();
printf("\n\n\n\n\n\n");
printf("\t\t\t\t\t********************************\n");
printf("\t\t\t\t\t** **\n");
printf("\t\t\t\t\t 图书%d添加成功! \n", bend->get_id());
printf("\t\t\t\t\t** **\n");
printf("\t\t\t\t\t********************************\n");
Sleep(1000);
fp->cls();
cout << "\n\n\n\n\n";
cout << "是否继续添加？\n" << "继续请按1，返回请按0:";
cin >> a;
} while (a == 1);
printf("页面即将跳转...");
Sleep(1000);
}
void Manger::ChangeBook()
{
DBFile* fp = new DBFile;
Book* p = bhead->get_next();
int id;
int amount;
int flag = 0;
char bookname[200];
char author[200];
char press[200];
int exist = 0;
int sign = 0;
Book* bp = bhead->get_next();
bp->show_book();
cout << "请输入要修改书名的id号(按0退出):";
while (cin >> id)
{
if (id == 0)
{
return;
}
while (p)
{
if (p->get_id() == id)
{
exist = 1;
break;
}
p = p->get_next();
}
if (!exist)
{
p = bhead->get_next();
cout << "为查询到该id号！请重新输入(按0退出):";
}
else
{
break;
}
}
if (!exist)
{
return;
}
else
{
int sign = 0;
int choose;
fp->cls();
changebookmenu();
while (1)
{
cout << "请输入您要进行的操作:";
cin >> choose;
switch (choose)
{
case 1:
cout << "请输入修改后的id号:";
cin >> id;
p->set_id(id);
cout << "修改成功！！\n";
break;
case 2:
cout << "请输入要修改后的图书名称:";
cin >> bookname;
p->set_bookname(bookname);
cout << "修改成功！！\n";
break;
case 3:
cout << "请输入要修改后的作者:";
cin >> author;
p->set_author(author);
cout << "修改成功！！\n";
break;
case 4:
cout << "请输入修改后的出版社:";
cin >> press;
p->set_press(press);
cout << "修改成功！！\n";
break;
case 5 :
cout << "请输入修改后的图书数量:";
while (cin >> amount)
{
if (amount <= 199 && amount > 0)
{
p->set_amount(amount);
break;
}
else
{
cout << "请输入0-199以内的图书数量:";
}
}
cout << "修改成功！！\n";
break;
case 6 :
if (p->get_flag() == 1)
{
cout << "是否将此书修改为不可借？(1确认，2返回):";
while (cin >> flag)
{
if (flag == 2)
{
break;
}
if (flag == 1)
{
p->set_flag(1);
p->save();
cout << "修改成功！！\n";
break;
}
else
{
cout << "请输入正确格式的借书标志!(1确认，2返回):";
}
}
}
else if (p->get_flag() == 0)
{
cout << "是否将此书修改为可借？(1确认，2返回):";
while (cin >> flag)
{
if (flag == 2)
{
break;
}
if (flag == 1)
{
p->set_flag(0);
p->save();
cout << "修改成功！！\n";
break;
}
else
{
cout << "请输入正确格式的借书标志!(1确认，2返回):";
}
}
}
break;
case 7:
sign = 1;
break;
default :
cout << "输入无效！！";
cin.clear();
break;
}
if (sign)
{
break;
}
}
}
}
void Manger::DeleteBook()
{
Book* bp = bhead->get_next();
char bookname[20];
int flag = 0;
bp->show_book();
cout << "请输入您要删除图书的名称(按0退出):";
while (cin >> bookname)
{
if (strcmp(bookname, "0") == 0)
{
return;
}
while (bp)
{
if (bp->get_bookname() == bookname)
{
flag = 1;
break;
}
bp = bp->get_next();
}
if (flag == 0)
{
cout << "未查询到此书!\n" << "请重新输入(按0退出):";
bp = bhead->get_next();
}
else
{
break;
}
}
DeleteReaderBook(bookname);
bp = bhead->get_next();
Book* pp = bhead;
while (bp)
{// bp->next 可能是链表的最后一个
if (bp->get_bookname() == bookname)
{
if (bp->get_next() == NULL)
{
bhead->set_next(NULL);
}
else
{
pp->set_next(bp->get_next());
}
}
pp = pp->get_next();
bp = bp->get_next();
}
cout << "\n\n\n\n\n\n";
cout << "图书" << bookname << "删除成功!!\n";
cout << "页面即将跳转..";
Sleep(1500);
Book* p = new Book;
p->save();
}
void Manger::DeleteReaderBook(char* bookname)
{
Reader* rp = rhead->get_next();
Reader* pp = new Reader;
int flag = 0;
while (rp)
{
flag = 1;
for (int i = 0; i < rp->get_bookcnt(); i++)
{
if (strcmp(rp->get_booklist(rp, i), bookname) == 0)
{
flag = i;
break;
}
}
if (flag != 1)
{
for (int j = flag; j < rp->get_bookcnt() - 1; j++)
{
strcpy(rp->get_booklist(rp, j), rp->get_booklist(rp, j + 1));
}
int temp = rp->get_bookcnt();
temp--;
rp->set_bookcnt(temp);
}
rp = rp->get_next();
}
pp->save();
}
void Manger::BrowseReader()
{
cout << "账户\t\t" << "密码\t\t" << "密保\t\t" << "性别\t\t" << "姓名\t\t"
<< "学号\t\t" << "借书次数\n";
Reader* rp = rhead->get_next();
while (rp)
{
cout << rp->get_account(rp) << "\t\t" << rp->get_password(rp) << "\t\t" << rp->get_spassword(rp) << "\t\t"
<< rp->get_sex() << "\t\t" << rp->get_name() << "\t\t" << rp->get_number() << "\t\t" << rp->get_bookcnt() << endl;
rp = rp->get_next();
}
system("pause");
}
void Manger::FindPassword()
{
Manger* mp = mhead->get_next();
char password[200];
char account[200];
char spassword[200];
int flag = 0;
int sign = 0;
cout << "请输入您的账户(按0退出):";
while (cin >> account)
{
if (strcmp(account, "0") == 0)
{
return;
}
while (mp)
{
if (strcmp(mp->get_account(mp), account) == 0)
{
flag = 1;
break;
}
mp = mp->get_next();
}
if (flag)
{
break;
}
else
{
printf("此账号不存在！请重新输入(按0退出):");
mp = mhead->get_next();
}
}
if (flag)
{
mp = mhead->get_next();
printf("请输入您设置的密保(按0退出):");
while (cin >> spassword)
{
if (strcmp(spassword, "0") == 0)
{
return;
}
while (mp)
{
if (strcmp(mp->get_spassword(mp), spassword) == 0)
{
sign = 1;
break;
}
mp = mp->get_next();
}
if (sign)
{
printf("密保输入正确！\n");
printf("您的密码为%s\n", mp->get_password(mp));
system("pause");
return;
}
else
{
printf("-------------密保输入错误！请重新输入(按0退出):");
mp = mhead->get_next();
}
}
}
}
void Manger::ChangePassword()
{
DBFile* fp = new DBFile;
Manger* p = mhead->get_next(), *mp = new Manger;
int flag = 0;
int sign = 0;
char maccount[200];
char mpassword[200];
char mspassword[200];
cout << "请输入您的账户(按0退出):";
while (cin >> maccount)
{
if (strcmp(maccount, "0") == 0)
{
return;
}
while (p)
{
if (strcmp(p->account, maccount) == 0)
{
flag = 1;
break;
}
p = p->get_next();
}
if (flag)
{
break;
}
else
{
cout << "此账号不存在！请重新输入(按0退出):";
p = mhead->get_next();
}
}
if (flag)
{
p = mhead->get_next();
cout << "请输入您设置的密保(按0退出):";
while (cin >> mspassword)
{
if (strcmp(mspassword, "0") == 0)
{
return;
}
while (p)
{
if (strcmp(p->spassword, mspassword) == 0)
{
sign = 1;
break;
}
p = p->get_next();
}
if (sign)
{
cout << "请输入修改后的密码(按0退出):";
while (cin >> mpassword)
{
if (strcmp(mpassword, "0") == 0)
{
return;
}
if (strlen(mpassword) <= 16)
{
break;
}
else
{
cout << "请输入长度为1到16位的密码(按0退出):";
}
}
strcpy_s(p->password, mpassword);
cout << "密码修改成功！";
fp->usesave(p);
system("pause");
return;
}
else
{
cout << "密保输入错误！！请重新输入(按0退出):";
p = mhead->get_next();
}
}
}
}
// 图书类
void Book::creat()
{
ifstream f_book("book.txt", ios::in);
int id;
int amount;
int flag;
string bookname;
string author;
string press;
while (f_book >> id && f_book >> flag && f_book >> amount && f_book >> bookname
&& f_book >> author && f_book >> press)
{
Book* p = new Book;
p->id = id;
p->flag = flag;
p->amount = amount;
p->bookname = bookname;
p->author = author;
p->press = press;
bend->set_next(p);
p->set_next(NULL);
bend = bend->get_next();
}
f_book.close();
}
void Book::save()
{
Book* bp = bhead->get_next();
ofstream f_book("book.txt", ios::out);
while (bp)
{
f_book << bp->id << " " << bp->flag << " " << bp->amount << " "
<< bp->bookname << " " << bp->author << " " << bp->press << endl;
bp = bp->get_next();
}
f_book.close();
}
void Book::show_book()
{
Book* bp = bhead->get_next();
cout << "id号\t\t" << "是否可借\t\t" << "数量\t\t" << "书名\t\t" << "作者\t\t" << "出版社\n";
while (bp)
{
cout << bp->get_id() << "\t\t" << bp->get_flag() << "\t\t\t" << bp->get_amount() << "\t\t"
<< bp->get_bookname() << "\t\t" << bp->get_author() << "\t\t" << bp->get_press() << "\n";
bp = bp->get_next();
}
}
int main()
{
mhead = new Manger; mend = new Manger; mhead->set_next(NULL); mend = mhead;
rhead = new Reader; _rend = new Reader; rhead->set_next(NULL); _rend = rhead;
bhead = new Book; bend = new Book; bhead->set_next(NULL); bend = bhead;
Reader* rp = new Reader; rp->creat();
Manger* mp = new Manger; mp->creat();
Book* bp = new Book; bp->creat();
DBFile* dbp = new DBFile;
system("color B");
dbp->_main();
delete dbp;
return 0;
}
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持我们。
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