C++ 课程设计：图书管理系统【附源码】

#pragma once   //包含此语句的文件只会被编译一次,表示在编译时, 该文件只被包含一次, 减少整个编译过程中打开该文件次数
//图书管理模块//图书类class book {public:    int no;            //图书编号    char name[20];     //图书名称    int b_flag;        //1:在架 2:借出    int b_del;         //1:存在 2:删除public:    book() {}        //无参构造函数    void setno(int n);    //设置图书编号    int getno();    //返回图书编号值    void setname(char na[]);    char* getname();    //返回图书名称    void borbook();    void delbook();    void addbook(int no, char na[]);  //增加图书功能};
//图书数据库类const int BMAX = 50;       //定义书本最大值class bdatabase {public:    book btarray[BMAX];    //图书集合    int top;public:    bdatabase();    ~bdatabase();       //析构函数,将btarray[]写到book.txt文件中    void addbooks();                 //在图书数据库中添加图书    int findbooks(int suffix);      //查找图书,该函数用于借书操作,suffix是数组下标    int findbooks();                 //查找图书,该函数用于图书维护    void editbooks();     //编辑图书    void delbooks();  //删除图书    void listbooks();      //显示全部图书};
void booksmanage(); //图书信息管理界面 声明void borrow_or_return(char br);

#pragma once
void login();void Main_Interface();void Book_Maintenance_Interface();void Reader_Maintenance_Interface();void UI();

#pragma once
#include"book.h"
//读书管理模块//读者类class reader {public:    int no;    char name[20];    int r_del;      //1存在    2删除    int r_bor;      //1借过书  2未借书    book brbook;public:    void addreader(int id, char na[]);   //增加读者    void setbrbook(book bt); //设置借书标记    book getbrbook() {        return brbook;  //返回借书信息    }};
//读者数据库类class rdatabase {public:    reader rdarray[BMAX];    int top;public:    rdatabase();    ~rdatabase();    void addreaders();   //添加读者    int findreaders(int suffix);      //查找读者,该函数用于借书还书操作,suffix是数组下标    int findreaders();        //查找读者,该函数用于读者维护操作    void editreaders();     //编辑读者信息    void delreaders();  //删除读者,读者如果借书,需要还书后才能删除    void listreaders();      //显示所有读者};
void readersmange();

#include <iostream>using namespace std;
#include "interface.h"#include "reader.h"
int main() {              char in = -1; //因为VS环境不能使用为初始化的变量,所以首先赋值为不可能使用的变量值以通过编译 char in=-1    login();    do{//退出系统限制条件       UI();  //系统界面改变       Main_Interface();       cin >> in;       switch (in) {       case'1':           borrow_or_return(in);           break;       case'2':           borrow_or_return(in);           break;       case'3':           booksmanage();           break;       case'4':           readersmange();           break;       case'0': {           cout << "感谢您使用本系统,再见!" << endl;           break;       }       default:           cout << "In Put Error!!! Please try again!!!" << endl;       }    } while (in != '0');    return 0;}

#include <iostream>using namespace std;#include <fstream>#include <cstring>
#include "interface.h"#include "reader.h"
//图书管理模块
//图书类函数实现void book::setno(int n) {  no = n;}
int book::getno() {  return no;}
void book::setname(char na[]) {  strcpy_s(name, na);}
char* book:: getname() {  return name;  }
void book::borbook() {  b_flag = 2;          //借书标志}
void book::delbook() {  b_del = 2;           //删除标志}
void book::addbook(int no, char na[]) {  setno(no);  setname(na);  b_flag = 1;  b_del = 1;}
//图书数据库类bdatabase::bdatabase() {  book b;            //建立book类对象并b  top = -1;          //数组下标从0开始,此处top值置为-1可保证从数组第一个元素开始存储信息  fstream file("book.txt", ios::in);//打开文件进行读操作,若文件不存在则出错.输入输出指:内存与硬盘间的信息传递  while (1) {    file.read((char*)&b, sizeof(b));//从文件中读取b个字符到char*指向的缓存中(book类对象b的地址)    if (!file) //若读取到文件尾EOF,返回非0值(一般为1),结束书本数量的计数,关闭文件      break;    top++;    btarray[top] = b;  }  file.close();}
bdatabase::~bdatabase() {  fstream file("book.txt", ios::out);//输出:内存->硬盘  for (int i = 0; i <= top; i++) {    if (btarray[i].b_del == 1)      file.write((char*)&btarray[i], sizeof(btarray[i]));  }  file.close();}
void bdatabase::addbooks() {  book bk;                       //创建book类对象bk  int no;                        //书号  char bname[20];                //书名 用数组存放  cout << "请输入书号:";  cin >> no;  cout << endl << "请输入书名:";  cin >> bname;  cout << endl;  bk.b_flag = 1;  bk.addbook(no, bname);          //类中成员函数addbook(),设置书号与书名 修改标志  top++;  btarray[top] = bk;  return;                           //返回上个操作界面}
int bdatabase::findbooks(int suffix) {  int no;  cout << "请输入书号:";  cin >> no;  for (int i = 0; i <= top; i++) {    if (btarray[i].no == no && btarray[i].b_del == 1) {      return i;    }  }  return -1;}
int bdatabase::findbooks() {  int no;  char value[6];  cout << "请输入书号:";  cin >> no;  for (int i = 0; i <= top; i++) {    if (btarray[i].no == no && btarray[i].b_del == 1) {      if (btarray[i].b_flag == 1)        strcpy_s(value, "在架");      if (btarray[i].b_flag == 2)        strcpy_s(value, "借出");      cout << "书号:" << btarray[i].no << "  " << "书名:" << btarray[i].name << "  " << "图书状态:" << value << endl;      return i;    }  }  return -1;}
void bdatabase::editbooks() {  int cur;  cur = findbooks();  if (cur == 1) {    cout << "该书不存在" << endl;    return;  }  cout << "当前图书信息--" << "书号:" << btarray[cur].no << "  " << "书名:" << btarray[cur].name << endl;  cout << endl;  cout << "请继续操作以修改图书信息" << endl;  cout << endl << "书名:";  cin >> btarray[cur].name;  return;}
void bdatabase::delbooks() {  int cur;  cur = findbooks();  if (cur == 1) {    return;  }  if (btarray[cur].b_flag == 2) {       //删除时判断图书是否借出    cout << "该图书已经借出,请归还后删除!" << endl;    return;  }  btarray[cur].b_del = 2;  return;}
void bdatabase::listbooks() {  char value[6];  for (int i = 0; i <= top; i++) {    if (btarray[i].b_del == 1) {      if (btarray[i].b_flag == 1)        strcpy_s(value, "在架");      if (btarray[i].b_flag == 2)        strcpy_s(value, "借出");      cout << "书号:" << btarray[i].no << "书名:" << btarray[i].name << "图书状态:" << value << endl;    }  }  return;}
void borrow_or_return(char br) { //借书、还书函数，参数br:判断 “借书”,“还书”.  1 借书 2 还书  int reader_ID = 0;  //读者id  int book_ID = 0;    //书的id  int rsuffix, bsuffix;  bdatabase t_bd;  rdatabase t_rd;  if (br == '1') {    //借书    rsuffix = t_rd.findreaders(reader_ID);    bsuffix = t_bd.findbooks(book_ID);    if (rsuffix == -1 || bsuffix == -1)      return;    if (t_bd.btarray[bsuffix].b_flag == 2) {      cout << "图书已经借出,请选择其它图书" << endl;      return;    }    t_bd.btarray[bsuffix].b_flag = 2;    t_rd.rdarray[rsuffix].r_bor = 1;    t_rd.rdarray[rsuffix].brbook = t_bd.btarray[bsuffix];    return;  }  if (br == '2') {    rsuffix = t_rd.findreaders(reader_ID);    bsuffix = t_bd.findbooks(book_ID);    if (rsuffix == -1 || bsuffix == -1)      return;    if (t_rd.rdarray[rsuffix].brbook.no == t_bd.btarray[bsuffix].no) {      t_bd.btarray[bsuffix].b_flag = 1;      t_rd.rdarray[rsuffix].r_bor = 2;      t_rd.rdarray[rsuffix].brbook = t_bd.btarray[bsuffix];    }    else {      cout << "请重新输入,读者借阅图书书号错误" << endl;      return;    }    return;  }}
void booksmanage() {  char in;  bdatabase bd;  do {    system("pause");    system("cls");//切换UI时,刷新缓冲区当前内容,完成下次更新    UI();    Book_Maintenance_Interface();    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;    case'6':      break;    default:      cout << "In Put Error!!! Please try again!!!" << endl;    }  } while (in != '6');  return;}

#include <iostream>using namespace std;#include <cstdlib>      //system() 库
void login() {    char passward[2] = "2"; //此变量用于存储登录密码          char s[2];//获取输入的密码,用于验证和登录密码是否相同      int n = 3;      //限定输入错误次数是3次    cout << "请输入登录密码: ";    cin >> s;    if (!strcmp(s, passward)) { //若密码正确        cout << "恭喜您登陆成功!!!请稍等......\n\n";        system("pause");    }    else {        cout << "Waring!!!密码输入错误,请退出系统后重新尝试\n";        system("pause");        exit(0);    }}
void Main_Interface() {               //主界面     system("cls"); //清屏函数 clean screen    system("title                图书管理系统   项目开发人员 : XXX ");//对控制台文件名重命名    cout << "\n\n\n\n\n";    cout << "\t\t\t***************欢 迎 进 入 图 书 管 理 系 统***********************\n";//与case顺序一致    cout << "\t\t\t*\t            1.   借书                                     * \n ";    cout << "\t\t\t*\t            2.   还书                                     * \n ";    cout << "\t\t\t*\t            3.   图书信息管理                             * \n ";    cout << "\t\t\t*\t            4.   读者信息管理                             * \n ";    cout << "\t\t\t*\t            0.   退出                                     * \n ";    cout << "\t\t\t*******************************************************************\n ";    cout << "                                                             ";    cout << "\t\t\t         Copyright (C) 2020-2021. All Rights Reserved  \n ";    cout << "\t\t\t\n请选择您要执行的操作编号(1-4-0): ";    cout << endl;}
void Book_Maintenance_Interface() {                           //图书维护子菜单    cout << "\n\n\n\n\n";    cout << "\t\t\t***************图 书 信 息 维 护 管 理 员 后 台********************\n";//与case顺序一致    cout << "\t\t\t*\t            1.   添加                                     * \n ";    cout << "\t\t\t*\t            2.   修改                                     * \n ";    cout << "\t\t\t*\t            3.   删除                                     * \n ";    cout << "\t\t\t*\t            4.   查找                                     * \n ";    cout << "\t\t\t*\t            5.   显示                                     * \n ";    cout << "\t\t\t*\t            6.   返回上级操作                             * \n ";    cout << "\t\t\t*******************************************************************\n ";    cout << "                                                             ";    cout << "\t\t\t\n请选择您要执行的操作编号(1-6): ";    cout << endl;}
void Reader_Maintenance_Interface() {                            //读者维护子菜单    cout << "\n\n\n\n\n";    cout << "\t\t\t***************读 者 信 息 维 护 管 理 员 后 台********************\n";//与case顺序一致    cout << "\t\t\t*\t            1.   添加                                     * \n ";    cout << "\t\t\t*\t            2.   修改                                     * \n ";    cout << "\t\t\t*\t            3.   删除                                     * \n ";    cout << "\t\t\t*\t            4.   查找                                     * \n ";    cout << "\t\t\t*\t            5.   显示                                     * \n ";    cout << "\t\t\t*\t            6.   返回上级操作                             * \n ";    cout << "\t\t\t*******************************************************************\n ";    cout << "                                                             ";    cout << "\t\t\t\n请选择您要执行的操作编号(1-6): ";    cout << endl;}
void UI() //自定义函数实现颜色变化{    system("color F0");//前景黑 背景亮白 白底黑字 }

#include <fstream>#include <cstring>#include <iostream>using namespace std;
#include "reader.h"#include "interface.h"
//读书管理模块//读者类函数实现void reader::addreader(int id, char na[]) {    no = id;    strcpy_s(name, na);    r_del = 1;}
void reader::setbrbook(book bt) {    brbook = bt;}
rdatabase::rdatabase() {    reader rd;    top = -1;    fstream file("reader.txt", ios::in);    while (1) {        file.read((char*)&rd, sizeof(rd));        if (!file) break;        top++;        rdarray[top] = rd;    }    file.close();}
rdatabase::~rdatabase() {    fstream file("reader.txt", ios::out);    for (int i = 0; i <= top; i++) {        if (rdarray[i].r_del == 1)            file.write((char*)&rdarray[i], sizeof(rdarray[i]));    }    file.close();}
void rdatabase::addreaders() {    reader rd;    int no;    char rname[20];    cout << "请输入学号:";    cin >> no;    cout << endl << "请输入姓名:";    cin >> rname;    cout << endl;    rd.addreader(no, rname);    rd.r_bor = 2;    top++;    rdarray[top] = rd;    return;}
int rdatabase::findreaders(int suffix) {    int no;    cout << "请输入学号:";    cin >> no;    for (int i = 0; i <= top; i++) {        if (rdarray[i].no == no && rdarray[i].r_del == 1) {            return i;        }    }    return -1;}
int rdatabase::findreaders() {    int no;    char value[3];    cout << "请输入学号:";    cin >> no;    for (int i = 0; i <= top; i++) {        if (rdarray[i].no == no && rdarray[i].r_del == 1) {            if (rdarray[i].r_bor == 1)                strcpy_s(value, "借");            if (rdarray[i].r_bor == 2)                strcpy_s(value, "无");            cout << "学号:" << rdarray[i].no << "  " << "姓名:" << rdarray[i].name << "  " << "是否借书:" << value << endl;            return i;        }    }    return -1;}
void rdatabase::editreaders() {    int cur;    cur = findreaders();    if (cur == 1) {        cout << "未找到该学生" << endl;        return;    }    cout << "请修改数据:" << endl;    cout << endl << "姓名:";    cin >> rdarray[cur].name;    return;}
void rdatabase::delreaders() {    int cur;    cur = findreaders();    if (cur == 1) {        return;    }    if (rdarray[cur].r_bor == 1) {        cout << "该用户已借出图书,请归还后删除!" << endl;        return;    }    rdarray[cur].r_del = 2;    return;}
void rdatabase::listreaders() {    char value[3];    for (int i = 0; i <= top; i++) {        if (rdarray[i].r_del == 1) {            if (rdarray[i].r_bor == 1)                strcpy_s(value, "借");            if (rdarray[i].r_bor == 2)                strcpy_s(value, "无");            cout << "学号:" << rdarray[i].no << "  " << "姓名:" << rdarray[i].name << "  " << "是否借书:" << value << endl;        }    }    return;}
void readersmange() {    char in;    rdatabase bd;    do {        system("pause");  //暂停界面,以便显示所需数据        system("cls");        UI();        Reader_Maintenance_Interface();        cin >> in;        switch (in) {        case'1':            bd.addreaders();            break;        case'2':            bd.editreaders();            break;        case'3':            bd.delreaders();            break;        case'4':            bd.findreaders();            break;        case'5':            bd.listreaders();            break;        case'6':            break;        default:            cout << "In Put Error!!! Please try again!!!" << endl;        }    } while (in != '6');    return;}