图书管理系统设计，供大家参考，具体内容如下
一、问题描述及功能要求
（1）图书信息录入功能(图书信息用文件保存)
（2）图书信息浏览功能
（3）查询和排序功能：(至少一种查询方式)
.按书名查询
.按作者名查询
（4）图书信息的删除与修改
二、代码实现 带有注释
废话不说，直接代码，欢迎指正。
大家CV可能有不兼容的情况，可以滴滴，尽可能解决问题地回复。
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#include<iostream>#include<stdio.h>#include <stdlib.h>#include<string.h>#include <cstring>#include<windows.h>#include<vector>#define BOOKMAXREPERTORY 99using namespace std;class Common{public: int id; char title[66]; char author[66]; Common(){ } Common(int _id,char _title[],char _author[]){ id = _id; strcpy(title , _title); strcpy(author , _author); }};class Book:public Common{public: char publisher[66]; int pageNumber; Book(){} Book(int _id,char _title[],char _author[],char _publisher[],char _iSBNNumber[],int _pageNumber){ Common(_id,_title,_author); strcpy(publisher,_publisher); pageNumber = _pageNumber; }};class MediaLibraryManageSystem{public: MediaLibraryManageSystem(){ nowBookTotal = 0; } void _run(){ readDataByFile(); printf("程序加载中"); for (int i = 0; i < 10; i++) { Sleep(100); /* windows 使用Sleep，参数为毫秒 */ printf("."); fflush(stdout);//强制刷新缓存，输出显示 } printf("\n"); system("cls"); int cmd; while(true){ cout<<home_menu<<endl; cout<<"请输入你需要执行的命令序号:";cin>>cmd; if(cmd == 0){ _exit(); } system("cls"); switch(cmd){ case 1: addBook(); break; case 2: queryGoods(); break; case 3: showGoods(); break; case 4: updateGoods(); break; case 5: deleteGoods(); break; default: cout<<"输入的指令有误!请重新输入!"<<endl; } system("pause"); system("cls"); } }private: const string home_menu = "\n********************************** 图书管理系统 **********************************\n" "* *\n" "* *\n" "* 1.添加 *\n" "* *\n" "* 2.查询 *\n" "* *\n" "* 3.显示图书库 *\n" "* *\n" "* 4.修改图书库 *\n" "* *\n" "* 5.删除 *\n" "* *\n" "* 0.退出 *\n" "* *\n" "* *\n" "************************************************************************************\n"; const string query_goods_menu = "\n************************************ 图书查询 ************************************\n" "* *\n" "* *\n" "* 1.按标题查询 *\n" "* *\n" "* 2.按编号查询 *\n" "* *\n" "* 0.退出 *\n" "* *\n" "* *\n" "************************************************************************************\n"; Book bookList[BOOKMAXREPERTORY]; int nowBookTotal; ///添加图书 void addBook(){ Book book; cout<<"请输入编号:";cin>>book.id; cout<<"请输入标题:";cin>>book.title; cout<<"请输入作者:";cin>>book.author; cout<<"请输入出版社:";cin>>book.publisher; cout<<"请输入页数:";cin>>book.pageNumber; if(getBookById(book.id) != -1){ cout<<"添加失败! 添加编号重复! 请重新添加!"<<endl; }else if(nowBookTotal == BOOKMAXREPERTORY){ cout<<"添加失败! 图书库已满!"<<endl; }else{ bookList[nowBookTotal ++] = book; } } /* 查询图书 */ void queryGoods(){ int cmd; while(true){ cout<<query_goods_menu<<endl; cout<<"请输入你需要执行的命令序号:";cin>>cmd; if(cmd == 0){ break; } system("cls"); switch(cmd){ case 1: queryByTitle(); break; case 2: queryById(); break; default: cout<<"输入的指令有误!请重新输入!"<<endl; } system("pause"); system("cls"); } } ///按标题查询 void queryByTitle(){ int cmd; char title[66]; cout<<"请输入标题:";cin>>title; getBookByTitle(title); } ///book void getBookByTitle(char title[]){ bool flag = true; printf("%-6s%-10s%-10s%-10s%-10s%\n","编号","标题","作者","出版社","页数"); for(int i = 0;i < nowBookTotal;i ++){ if(strcmp(bookList[i].title,title) == 0){ flag = false; printf("%-6d%-10s%-10s%-10s%-10d\n",bookList[i].id,bookList[i].title,bookList[i].author,bookList[i].publisher,bookList[i].pageNumber); } } if(flag){ printf("\n\n空的!\n\n"); } } ///按编号查询 void queryById(){ int cmd,i,id; cout<<"请输入Id:";cin>>id; i = getBookById(id); if(i == -1){ printf("查找不到!\n"); }else{ printf("%-6s%-10s%-10s%-10s%-10s\n","编号","标题","作者","评级","出版社","页数"); printf("%-6d%-10s%-10s%-10s%-10d\n",bookList[i].id,bookList[i].title,bookList[i].author,bookList[i].publisher,bookList[i].pageNumber); } } ///Book int getBookById(int id){ int index = -1; for(int i = 0;i < nowBookTotal;i ++){ if(bookList[i].id == id){ index = i; break; } } return index; } /* 显示图书库 */ void showGoods(){ if(nowBookTotal == 0){ printf("空的!\n"); }else{ printf("%-6s%-10s%-10s%-10s%-10s\n","编号","标题","作者","出版社","页数"); for(int i = 0;i < nowBookTotal;i ++){ printf("%-6d%-10s%-10s%-10s%-10d\n",bookList[i].id,bookList[i].title,bookList[i].author,bookList[i].publisher,bookList[i].pageNumber); } } } /* 修改图书 */ void updateGoods(){ int cmd,id,i; cout<<"请输入你需要修改的图书编号:";cin>>id; i = getBookById(id); if(i == -1){ cout<<"图书不存在!"<<endl; }else{ cout<<"原图书信息为:"<<endl; printf("%-6s%-10s%-10s%-10s%-10s\n","编号","标题","作者","出版社","页数"); printf("%-6d%-10s%-10s%-10s%-10d\n",bookList[i].id,bookList[i].title,bookList[i].author,bookList[i].publisher,bookList[i].pageNumber); Book book; book.id = id; cout<<"请输入修改后的标题:";cin>>book.title; cout<<"请输入修改后的作者:";cin>>book.author; cout<<"请输入修改后的出版社:";cin>>book.publisher; cout<<"请输入修改后的页数:";cin>>book.pageNumber; bookList[i] = book; } } /* 删除图书 */ void deleteGoods(){ int cmd,id,i; if(nowBookTotal == 0){ cout<<"空的!"<<endl; return; } cout<<"请输入你需要删除的图书编号:";cin>>id; deleteBook(id); } ///book void deleteBook(int id){ int index = getBookById(id); if(index == -1){ cout<<"没有该图书!"<<endl; }else{ for(int i = index;i < nowBookTotal - 1;i ++){ bookList[i] = bookList[i + 1]; } nowBookTotal --; cout<<"删除成功!"<<endl; } } /* 保存图书 */ void saveDataToFile(){ ///book FILE *bookDB = fopen("bookList.txt", "wb"); for (int i = 0; i < nowBookTotal; i++) { fwrite(&bookList[i], sizeof(Book), 1, bookDB); } fclose(bookDB); } /* 读取图书 */ void readDataByFile(){ ///Book FILE *bookDB = fopen("bookList.txt", "rb"); nowBookTotal = 0; Book book; while (fread(&book, sizeof(Book), 1, bookDB) == 1) { bookList[nowBookTotal++] = book; } fclose(bookDB); } void _exit(){ saveDataToFile(); system("cls"); printf("正在退出"); for (int i = 0; i < 10; i++) { Sleep(100); printf("."); fflush(stdout);//强制刷新缓存，输出显示 } system("cls"); printf("已退出!"); exit(1); }};int main(){ MediaLibraryManageSystem mediaLibraryManageSystem; mediaLibraryManageSystem._run(); 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服务器之家。
原文链接：https://blog.csdn.net/m0_46525584/article/details/106967285
