C++实现图书管理系统分享！

闲来无事，用C++做了一个图书管理系统，主要有借书、还书、图书管理、用户管理等功能，主要用到的技术有容器和文件，以及类的封装

  #include <iostream>  #include <list>  #include <algorithm>  #include <string.h>  #include <fstream>  #include <stdlib.h>     using namespace std;  class Mybook;  class Book;     class Book{  public:   int id;              //书号   char book_name[20];        //书名   int state;            //图书状态   char place[20];          //图书所在位置   char stu_number[20];       //学号   char stu_name[20];        //学生姓名  public:   Book();   friend class Mybook;  };     class User{  public:   char stu_number[20];        //学号   char stu_name[20];         //学生姓名  public:   User()   {    strcpy(stu_number,"000");    strcpy(stu_name,"0");   }   friend class Mybook;  };     class Mybook{  private:   list<Book> link_book;       //保存书本信息   list<User> link_user;       //保存用户信息  public:   int main_menu();          //主菜单   void getmenu();          //获取菜单    int menu();            //图书管理菜单   void getchoice();         //输入选择   void add_book();          //添加图书   void display_book();        //显示图书信息   void del_book();          //删除图书信息   void search_book();        //搜索图书信息   void update_book();        //修改图书信息   void borrow_book();        //借书   void return_book();        //还书   int menu_user();         //管理用户菜单   void add_user();          //添加用户   void del_user();          //删除用户   void display_user();        //查看用户   void update_user();        //修改用户   void look_borrow();        //查看借阅图书情况    void get_user();          //用户管理   void recv_file();         //将数据保存到文件中   void read_file();         //将数据从文件中读取   void recv_user();         //将用户信息保存到文件   void read_user();         //将用户信息从文件读取  };     Book::Book()  {   state = 0;   strcpy(stu_number,"000");   strcpy(stu_name,"0");  }  //保存图书信息到文件  void Mybook::recv_file()  {   ofstream outfile("library.txt",ios::out);   if(!outfile)   {   cout<<"文件打开失败"<<endl;   return ;   }   sleep(1);   list<Book>::iterator p = link_book.begin();   while(p != link_book.end())   {   outfile<<p->id<<endl;   outfile<<p->book_name<<endl;   outfile<<p->state<<endl;   outfile<<p->place<<endl;   outfile<<p->stu_number<<endl;   outfile<<p->stu_name<<endl;   p++;   }   cout<<"保存完成！"<<endl;   outfile.close();  }     void Mybook::read_file()  {   ifstream infile("library.txt",ios::in);   Book new_book;   if(!infile)   {   cout<<"read fail"<<endl;   return ;   }   char temp[20];   while(!infile.eof())   {   infile.getline(temp,'n');   new_book.id = atoi(temp);   memset(temp,0,20);   infile.getline(new_book.book_name,'n');   infile.getline(temp,'n');   new_book.state = atoi(temp);   memset(temp,0,20);   infile.getline(new_book.place,'n');   infile.getline(new_book.stu_number,'n');   infile.getline(new_book.stu_name,'n');   if(infile.eof())   {    break;   }   link_book.push_back(new_book);    }   infile.close();  }  //保存用户信息  void Mybook::recv_user()  {   ofstream outfile("user.txt",ios::out);   if(!outfile)   {   cout<<"文件打开失败"<<endl;   return ;   }   sleep(1);   list<User>::iterator p = link_user.begin();   while(p != link_user.end())   {   outfile<<p->stu_number<<endl;   outfile<<p->stu_name<<endl;   p++;   }   cout<<"保存完成！"<<endl;   outfile.close();  }  //读取数据至用户  void Mybook::read_user()  {   ifstream infile("user.txt",ios::in);   if(!infile)   {   cout<<"文件打开失败！"<<endl;   return ;   }   User new_user;   while(!infile.eof())   {   infile.getline(new_user.stu_number,'n');   infile.getline(new_user.stu_name,'n');   if(infile.eof())   {    break;   }   link_user.push_back(new_user);    }   infile.close();   }  //主菜单  int Mybook::main_menu()  {   int choice = 0;   cout<<"tttt===================================================="<<endl;   cout<<"tttt*       欢迎来到图书管理系统        *"<<endl;   cout<<"tttt*--------------------------------------------------*"<<endl;   cout<<"tttt*         1、借书             *"<<endl;   cout<<"tttt*         2、还书             *"<<endl;   cout<<"tttt*         3、图书管理           *"<<endl;   cout<<"tttt*         4、用户管理           *"<<endl;   cout<<"tttt*         0、保存并退出          *"<<endl;   cout<<"tttt*__________________________________________________*"<<endl;   cout<<"ttttt请输入选择:";   cin>>choice;   while(!(choice >= 0 && choice <= 4))   {   cout<<"输入错误，请重新输入:";   cin>>choice;   }   return choice;  }  //执行主菜单  void Mybook::getmenu()  {   int choice = 0;   read_user();   read_file();   while(1)   {   system("clear");   choice = main_menu();   switch(choice)   {    case 1:    {    borrow_book();    break;    }    case 2:    {    return_book();    break;    }    case 3:    {    getchoice();    break;    }    case 4:    {    get_user();    break;    }    case 0:    {    cout<<"正在保存，请稍后....."<<endl;    recv_file();    exit(0);    }   }   cout<<endl<<endl<<endl;   cout<<"按任意键返回...";   getchar();   getchar();   }  }  //借书  void Mybook::borrow_book()  {   int flag = 0;   int flag1 = 0;   int flag2 = 0;   char id[20];   char name[20];   char book_name[20];   cout<<"请输入学号:";   cin>>id;   list<User>::iterator it = link_user.begin();   while(it != link_user.end())   {   if(strcmp(it->stu_number,id) == 0)   {    strcpy(name,it->stu_name);    flag2 = 1;    break;   }   it++;   }   if(flag2 == 0)   {   cout<<"你没有借书权限！借书失败"<<endl;   return ;   }   cout<<"请输入书名：";   cin>>book_name;   list<Book>::iterator p = link_book.begin();   while(p != link_book.end())   {   if(strcmp(p->book_name,book_name) == 0)   {    cout<<"======================================="<<endl;    cout<<"书号:"<<p->id<<endl;    cout<<"书名:"<<p->book_name<<endl;    if(p->state == 0)    {    cout<<"图书状态：未借阅!"<<endl;    }    else    {    cout<<"图书状态：已借阅!"<<endl;    }    cout<<"所在书架"<<p->place<<endl;    flag1 = 1;   }   p++;   }   if(flag1 == 0)   {   cout<<"你所借阅的书不存在，借书失败！";   return ;   }   p = link_book.begin();   cout<<"已查找该图书，请输入书号进行借阅：";   int book_id;   cin>>book_id;   while(p != link_book.end())   {   if(strcmp(p->book_name,book_name) == 0 && p->id == book_id && p->state == 0)   {    strcpy(p->stu_number,id);    strcpy(p->stu_name,name);    p->state = 1;    cout<<"借书成功！"<<endl;    flag = 1;    break;   }   p++;   }   if(flag == 0)   {   cout<<"该书已被借阅，借书失败！";   }     }  //还书  void Mybook::return_book()  {   char stu_id[20];   cout<<"请输入学号";   cin>>stu_id;   int flag = 0;   int flag1 = 0;   list<Book>::iterator p = link_book.begin();   while(p != link_book.end())   {   if(strcmp(p->stu_number,stu_id) == 0)   {    cout<<"==========================================="<<endl;    cout<<"书号："<<p->id<<endl;    cout<<"书名："<<p->book_name<<endl;    flag = 1;   }   p++;   }   if(flag == 0)   {   cout<<"当前没有您没有借书"<<endl;   return ;   }   else if(flag == 1)   {   cout<<"已经查询到你借阅的图书，请输入书号进行归还:"<<endl;   }   int id;   cin>>id;   p = link_book.begin();   while(p != link_book.end())   {   if(strcmp(p->stu_number,stu_id) == 0&&p->id == id)   {    strcpy(p->stu_name ,"000");    strcpy(p->stu_number , "0");    p->state = 0;    cout<<"还书成功！"<<endl;    flag1 = 1;    break;   }   p++;   }   if(flag1 == 0)   {   cout<<"输入书号错误，还书失败！"<<endl;   }  }  //用户管理菜单  int Mybook::menu_user()  {   int choice = 0;   cout<<"tttt=========================================="<<endl;   cout<<"tttt*       用户管理          *"<<endl;   cout<<"tttt*----------------------------------------*"<<endl;   cout<<"tttt*     1、添加用户          *"<<endl;   cout<<"tttt*     2、显示用户          *"<<endl;   cout<<"tttt*     3、删除用户          *"<<endl;   cout<<"tttt*     4、修改用户          *"<<endl;   cout<<"tttt*     5、显示图书借用信息      *"<<endl;   cout<<"tttt*     6、保存并返回上一层      *"<<endl;   cout<<"tttt*----------------------------------------*"<<endl;   cout<<"ttttt请输入选择:";   cin>>choice;   while(!(choice >= 1 && choice <= 6))   {   cout<<"输入错误，请重新输入:";   cin>>choice;   }   return choice;     }  //执行用户管理  void Mybook::get_user()  {   int choice = 0;   while(1)   {   system("clear");   choice = menu_user();   system("clear");   switch(choice)   {    case 1:    {    add_user();    break;    }    case 2:    {    display_user();    break;    }    case 3:    {    del_user();    break;    }    case 4:    {    update_user();    break;    }    case 5:    {    look_borrow();    break;    }    case 6:    {    recv_user();    return ;    }   }   cout<<endl<<endl<<endl;   cout<<"按任意键返回...";   getchar();   getchar();   }  }  //添加用户  void Mybook::add_user()  {   User new_user;   cout<<"请输入学号：";   cin>>new_user.stu_number;   cout<<"请输入姓名：";   cin>>new_user.stu_name;      link_user.push_back(new_user);   cout<<"添加成功！";   cout<<"是否继续添加(y/n)";   char ch;   cin>>ch;   while(!(ch == 'Y'||ch == 'y'||ch == 'N'||ch == 'n'))   {   cout<<"输入有误，请重新输入：";   cin>>ch;   }   if(ch == 'Y'||ch == 'y')   {   system("clear");   add_user();    }  }  //显示用户  void Mybook::display_user()  {   list<User>::iterator it = link_user.begin();   while(it != link_user.end())   {   cout<<"====================================="<<endl;   cout<<"学号："<<it->stu_number<<endl;   cout<<"姓名："<<it->stu_name<<endl<<endl;   it++;   }  }  //删除用户  void Mybook::del_user()  {   char id[20];   cout<<"请输入你要删除的学生学号：";   cin>>id;   int flag = 0;   list<User>::iterator it = link_user.begin();   while(it != link_user.end())   {   if(strcmp(it->stu_number,id) == 0)   {    link_user.erase(it);    flag = 1;    break;   }   it++;   }   if(flag == 1)   {   cout<<"删除成功！"<<endl;   }   else   {   cout<<"你删除的用户不存在，删除失败！"<<endl;   }  }  //修改用户信息  void Mybook::update_user()  {   cout<<"请输入你要修改的学号："<<endl;   char number[20];   cin>>number;   int flag = 0;   list<User>::iterator it = link_user.begin();   while(it != link_user.end())   {   if(strcmp(it->stu_number,number) == 0)   {    cout<<"请更新学号：";    cin>>it->stu_number;    cout<<"请更新姓名：";    cin>>it->stu_name;    flag = 1;    break;   }   it++;   }   if(flag == 1)   {   cout<<"修改成功！"<<endl;   }   else   {   cout<<"修改失败！"<<endl;   }  }  //查看已借阅图书情况  void Mybook::look_borrow()  {   int flag = 0;   list<Book>::iterator p = link_book.begin();   while(p != link_book.end())   {   if(p->state == 1)   {    cout<<"==================================================="<<endl;    cout<<"姓名："<<p->stu_name<<endl;    cout<<"学号："<<p->stu_number<<endl;    cout<<"书名："<<p->book_name<<endl;    cout<<"书架号："<<p->place<<endl;    flag = 1;   }   p++;   }   if(flag == 1)   {   cout<<"已查询图书相关借阅信息"<<endl;   }   else   {   cout<<"目前暂时没有相关图书借阅!"<<endl;   }  }  //图书管理菜单  int Mybook::menu()  {   int choice = 0;   cout<<"ttttt============================================"<<endl;   cout<<"ttttt*       图书管理      *"<<endl;   cout<<"ttttt*------------------------------------------*"<<endl;   cout<<"ttttt* 1、添加图书信息   2、显示图书信息   *"<<endl;   cout<<"ttttt*------------------------------------------*"<<endl;   cout<<"ttttt* 3、删除图书信息   4、搜索图书信息   *"<<endl;   cout<<"ttttt*------------------------------------------*"<<endl;   cout<<"ttttt* 5、更新图书信息   6、返回上一层    *"<<endl;   cout<<"ttttt*------------------------------------------*"<<endl;   cout<<"ttttt请输入选择:";   cin>>choice;   while(!(choice >= 1 && choice <= 6))   {   cout<<"输入错误，请重新输入:";   cin>>choice;   }   return choice;     }  //实行图书管理  void Mybook::getchoice()  {   int choice = 0;   while(1)   {   system("clear");   choice = menu();   system("clear");   switch(choice)   {    case 1:    {    add_book();    break;    }    case 2:    {    display_book();    break;    }    case 3:    {    del_book();    break;    }    case 4:    {    search_book();    break;    }    case 5:    {    update_book();    break;    }    case 6:    {    return ;    }   }   cout<<endl<<endl<<endl;   cout<<"按任意键返回....."<<endl;   getchar();   getchar();   }  }  //增加书本  void Mybook::add_book()  {   Book new_book;   cout<<"请输入书号：";   cin>>new_book.id;   cout<<"请输入书名：";   cin>>new_book.book_name;   cout<<"请输入图书书架：";   cin>>new_book.place;      link_book.push_back(new_book);   cout<<"添加成功！";   cout<<"是否继续添加(y/n)";   char ch;   cin>>ch;   while(!(ch == 'Y'||ch == 'y'||ch == 'N'||ch == 'n'))   {   cout<<"输入有误，请重新输入：";   cin>>ch;   }   if(ch == 'Y'||ch == 'y')   {   system("clear");   add_book();    }  }  //显示书本信息  void Mybook::display_book()  {   list<Book>::iterator p = link_book.begin();   while(p != link_book.end())   {   cout<<"======================================="<<endl;   cout<<"书号:"<<p->id<<endl;   cout<<"书名:"<<p->book_name<<endl;   if(p->state == 0)   {    cout<<"图书状态：未借阅!"<<endl;   }   else   {    cout<<"图书状态：已借阅!"<<endl;   }   cout<<"所在书架"<<p->place<<endl<<endl;   p++;   }  }  //删除书本信息  void Mybook::del_book()  {   list<Book>::iterator p = link_book.begin();   int num = 0;   int flag = 0;   cout<<"请输入你要删除的书号：";   cin>>num;   while(p != link_book.end())   {   if(p->id == num)   {    link_book.erase(p);    flag = 1;    break;   }   p++;   }   if(flag == 1)   {   cout<<"nn删除完成!";   }   else   {   cout<<"nn该书不存在，删除失败！"<<endl;   }  }  //搜索书本信息  void Mybook::search_book()  {   list<Book>::iterator p = link_book.begin();   char book_name[20];   int flag = 0;   cout<<"请输入你要查找的书名：";   cin>>book_name;   while(p != link_book.end())   {   if(strcmp(p->book_name,book_name) == 0)   {    cout<<"======================================="<<endl;    cout<<"书号:"<<p->id<<endl;    cout<<"书名:"<<p->book_name<<endl;    if(p->state == 0)    {    cout<<"图书状态：未借阅!"<<endl;    }    else    {    cout<<"图书状态：已借阅!"<<endl;    }    cout<<"所在书架"<<p->place<<endl;    flag = 1;   }   p++;   }   if(flag == 1)   {   cout<<"nn查找完成!";   }   else   {   cout<<"nn目前图书馆暂无此书！"<<endl;   }  }  //修改书本信息  void Mybook::update_book()  {   list<Book>::iterator p = link_book.begin();   int num = 0;   int flag = 0;   cout<<"请输入你要更新的书号：";   cin>>num;   while(p != link_book.end())   {   if(p->id == num)   {    cout<<"请输入书名";    cin>>p->book_name;    cout<<"请输入图书书架号:";    cin>>p->place;    flag = 1;   }   p++;   }   if(flag == 1)   {   cout<<"nn更新完成!";   }   else   {   cout<<"nn该书不存在，更新失败！"<<endl;   }  }  int main()  {    Mybook b;   b.getmenu();      return 0;  }

更多学习资料请关注专题《管理系统开发》。

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<计算机技术网(www.ctvol.com)!!>。

—-想了解C++实现图书管理系统分享！全部内容且更多的C语言教程关注<计算机技术网(www.ctvol.com)!!>