C#代码清单共1个项目，包含5个类。

项目：librarysystem类: Program.cs Readers.cs Manage.cs Menu.cs Publications.cs主类代码：namespace librarysystem{ ///<summary>///类名：Program///功能：项目主类///时间：2015-11-19///</summary>class Program{static void Main(string[] args){Menu meu = new Menu();meu.ShowMainMenu();Console.ReadLine();}}}出版物类代码：namespace librarysystem{ ///<summary>///类名：Publications///功能：馆藏出版物信息///时间：2015-11-19///</summary>class Publications{/*出版物编号*/private string PublicationISBN;public string PublicationIsbn{get{return PublicationISBN;}{PublicationISBN = value;}}/*出版物名称*/public string PublicationName;/*出版物作者或出版机构*/public string PublicationAuthor;/*出版物在架状态*/public bool PublicationStatus;/*出版物类型*/public string PublicationType;public Publications(){}public Publications(string PublicationISBN,string PublicationName,string PublicationAuthor,string PublicationType,bool PublicationStatus){this. PublicationISBN = PublicationISBN;this.PublicationName = PublicationName;this.PublicationAuthor = PublicationAuthor;this.PublicationType = PublicationType;this.PublicationStatus = PublicationStatus;}}}读者类代码：namespace librarysystem{ ///<summary>///类名：Readers///功能：已获取权限读者的信息///时间：2015-11-19///</summary>class Readers{private string ReaderID;public string ReaderId{get{return ReaderID;}setReaderID = value;}}public string ReaderName;public string ReaderSex;public string ReaderDepartment;public string ReaderMajor;public string[] BowPublication = new string[10]{"","","","","","","","","",""};public Readers(){}public Readers(string ReaderID, string ReaderName, string ReaderSex, string ReaderDepartment, string ReaderMajor){this.ReaderID = ReaderID;this.ReaderName = ReaderName;this.ReaderSex = ReaderSex;this.ReaderDepartment = ReaderDepartment;this.ReaderMajor = ReaderMajor;}}}管理类代码：namespace librarysystem{ ///<summary>///类名：Manage///功能：管理员执行图书管理操作///时间：2015-11-19///</summary>class Manage{public bool BorrowFlag = false;/*借阅操作成功标志*/public bool ReturnFlag = false;/*归还操作成功标志*/public Publications pub_search;/*保存查询到的出版物*/public Readers Red_valid;/*保存查询到的合法用户*//*声明馆藏出版物数组*/public Publications[] pubs=new Publications[200];/*声明注册读者数组*/public Readers[] reds=new Readers[30];/*实例化馆藏出版物对象*/public Publications pub0 = new Publications("000000","C#从入门到精通","明日科技","书籍",true);public Publications pub1 = new Publications("000001", "数值分析", "李清朗", "书籍", true);public Publications pub2 = new Publications("000002", "模式识别", "张学工", "书籍", true);public Publications pub3 = new Publications("000003", "中国国家地理", "地理科学院", "杂志", true);public Publications pub4 = new Publications("000004", "意林", "长春市文学艺术界联合会 ", "杂志", true);public Publications pub5 = new Publications("000005", "四川大学报", "四川大学", "报纸", true);public Publications pub6 = new Publications("000006", "经济学人", "伦敦经济学人报纸有限公司", "杂志", true);public Publications pub7 = new Publications("000007", "计算机网络", "谢希仁", "书籍", true);public Publications pub8 = new Publications("000008", "红楼梦", "曹雪芹", "书籍", true);public Publications pub9 = new Publications("000009", "新东方雅思培训课程", "俞敏洪", "音像制品", true);public Publications pub10 = new Publications("000010", "MATLAB实用教程", "张世杰", "音像制品", true);/*实例化已注册读者对象*/public Readers red0 = new Readers("20150000", "李华", "男", "电子信息学院", "电子与通信工程");public Readers red1 = new Readers("20150001", "王鹏", "男", "物理学院", "微电子学");public Readers red2 = new Readers("20150002", "张建豪", "男", "数学学院", "现代数学分析");public Readers red3 = new Readers("20150003", "陈莉", "女", "化学化工学院", "化学分析");public Readers red4 = new Readers("20150004", "吴娜", "女", "医学院", "口腔医学");public Readers red5 = new Readers("20150005", "宋雅茹", "女", "电子信息学院", "光学工程");/*初始化出版物数组*/public void PublicationsInitial(){pubs[0] = pub0;pubs[1] = pub1;pubs[2] = pub2;pubs[3] = pub3;pubs[4] = pub4;pubs[5] = pub5;pubs[6] = pub6;pubs[7] = pub7;pubs[8] = pub8;pubs[9] = pub9;pubs[10] = pub10;}/*初始化读者数组*/public void ReadersInitial(){reds[0] = red0;reds[1] = red1;reds[2] = red2;reds[3] = red3;reds[4] = red4;reds[5] = red5;}/*查询图书操作*/public bool SearchPublications(){string Pub_Name;bool SearchFlag = false;Pub_Name = Console.ReadLine();foreach (Publications pub in pubs){if (pub != null && pub.PublicationName == Pub_Name) {SearchFlag = true;pub_search = pub;}}return SearchFlag;}/*借阅图书操作*/public void Borrow(){string Red_Name;string Pub_Name;bool ReaderFlag = false;Red_Name = Console.ReadLine();foreach (Readers red in reds){if (red != null && red.ReaderName == Red_Name){ReaderFlag = true;Red_valid = red;}}if (ReaderFlag){Console.Write("请输入您需要借阅出版物的名称:");Pub_Name = Console.ReadLine();foreach (Publications pub in pubs){if (pub != null && pub.PublicationName == Pub_Name) {BorrowFlag = true;pub.PublicationStatus = false;AddToReders(pub.PublicationName, Red_valid);}}}else{Console.WriteLine("抱歉，您是非法读者，不能借阅图书"); }}/*归还图书操作*/public void Return(){string Red_Name;string Pub_Name;bool ReaderFlag = false;Red_Name = Console.ReadLine();foreach (Readers red in reds){if (red != null && red.ReaderName == Red_Name){ReaderFlag = true;Red_valid = red;}}if (ReaderFlag){Console.Write("请输入您需要归还出版物的名称:");Pub_Name = Console.ReadLine();foreach (Publications pub in pubs){if (pub != null && pub.PublicationName == Pub_Name){for (int i = 0; i < 10;i++ ){if (Red_valid.BowPublication[i] == Pub_Name){ReturnFlag = true;pub.PublicationStatus = true;RemoveFromReders(Pub_Name, Red_valid);}}}}}else{Console.WriteLine("抱歉，您是非法读者，无归还图书信息");}}/*添加图书到读者*/private void AddToReders(string PublicationName, Readers red){/*设置借阅上限为10本*/for (int i = 0; i < 10; i++){if (red != null && red.BowPublication[i]==""){red.BowPublication[i] = PublicationName;break;}}}/*从读者对象中移除图书*/private void RemoveFromReders(string PublicationName, Readers red) {/*设置借阅上限为10本*/for (int i = 0; i < 10; i++){if (red != null && red.BowPublication[i] == PublicationName) {red.BowPublication[i] = red.BowPublication[i+1];}}}/*新书入库操作*/public void AddPublications(Publications pub){for (int i = 11; i < 200; i++){if(pubs[i]==null){pubs[i] = pub;}}}/*添加新读者操作*/public void AddReaders(Readers red){for (int i = 6; i < 30; i++){if (reds[i] == null){reds[i] = red;}}}/*查询读者信息*/public void RedIndex(){string Red_Name;bool ReaderFlag = false;Red_Name = Console.ReadLine();foreach (Readers red in reds){if (red != null && red.ReaderName == Red_Name){ReaderFlag = true;Red_valid = red;}}if (!ReaderFlag){Console.WriteLine("抱歉，您是非法读者，无法查到您的借阅信息"); }}}}菜单类代码：namespace librarysystem{ ///<summary>///类名：Menu///功能：显示服务页面///时间：2015-11-19///</summary>class Menu{//创建一个具体的管理对象Manage mag = new Manage();//声明一个读者对象Readers red;//声明一个出版物对象Publications pub;public void ShowMainMenu(){mag.PublicationsInitial();mag.ReadersInitial();Console.WriteLine("欢迎使用图书管理系统V1.0");Console.WriteLine("-------------------------------------------------------------------" );Console.WriteLine("1.查询图书");Console.WriteLine("2.借书服务");Console.WriteLine("3.还书服务");Console.WriteLine("4.新出版物入库");Console.WriteLine("5.录入新读者");Console.WriteLine("6.查询读者的借阅信息");Console.WriteLine("7.退出管理系统");Console.WriteLine("-------------------------------------------------------------------" );bool flag;do{flag = false;Console.WriteLine("请选择：");string key = Console.ReadLine();switch (key){case"1":Console.Write("请输入需要查询图书的书名：");ShowPubInfo();break;case"2":Console.Write("请输入您的姓名：");mag.Borrow();ShowBorrowInfo();break;case"3":Console.Write("请输入您的姓名：");mag.Return();ShowReturnInfo();break;case"4":Console.WriteLine("请按照提示逐步输入需要入库出版物的信息……");ShowAddPublications();break;case"5":Console.WriteLine("请按照提示逐步输入新注册读者的信息……"); ShowAddReaders();break;case"6":Console.Write("请输入您的姓名： ");mag.RedIndex();ShowRedPubInfo(mag.Red_valid);break;case"7":flag = false;break;default:Console.WriteLine("无此业务，是否重新选择（y/n）？");string answer = Console.ReadLine();if (answer != "y"){flag = false;}else{flag = true;}break;}} while (flag);}/*显示查询到的出版物信息*/public void ShowPubInfo(){if (mag.SearchPublications()){Console.WriteLine("您要查询的出版物信息：");Console.WriteLine("-------------------------------------------------------------------" );Console.WriteLine("编号： " + mag.pub_search.PublicationIsbn);Console.WriteLine("出版物名字： " + mag.pub_search.PublicationName);Console.WriteLine("出版物作者： " + mag.pub_search.PublicationAuthor);Console.WriteLine("出版物类型： " + mag.pub_search.PublicationType);if (mag.pub_search.PublicationStatus){Console.WriteLine("出版物状态：在架，可借");}else{Console.WriteLine("出版物状态：未在架，不可借");}Console.WriteLine("-------------------------------------------------------------------" );Console.WriteLine("");Console.WriteLine("");Console.WriteLine("是否办理其他业务(y/n)?");string answer = Console.ReadLine();if (answer == "y"){ShowMainMenu();Console.WriteLine();}else{Console.WriteLine("结束");}}else{Console.WriteLine("抱歉，未找到该图书！");Console.WriteLine("是否办理其他业务(y/n)?");string answer = Console.ReadLine();if (answer == "y"){ShowMainMenu();Console.WriteLine();Console.WriteLine();}else{Console.WriteLine("结束");}}}/*显示借阅操作结果*/public void ShowBorrowInfo(){if (mag.BorrowFlag){Console.WriteLine("恭喜，借阅成功！");ShowRedPubInfo(mag.Red_valid);}else{Console.WriteLine("抱歉,借阅失败！");Console.WriteLine("是否办理其他业务(y/n)?");string answer = Console.ReadLine();if (answer == "y"){ShowMainMenu();}else{Console.WriteLine("结束");}}}/*显示归还操作结果*/public void ShowReturnInfo(){if (mag.ReturnFlag){Console.WriteLine("恭喜，归还成功！");ShowRedPubInfo(mag.Red_valid);else{Console.WriteLine("抱歉,归还失败！");Console.WriteLine("是否办理其他业务(y/n)?");string answer = Console.ReadLine();if (answer == "y"){ShowMainMenu();}else{Console.WriteLine("结束");}}}public void ShowRedPubInfo(Readers red){Console.WriteLine("当前你的借阅信息如下:");Console.WriteLine("--------------------------------------------------------------------");Console.WriteLine("编号： " + red.ReaderId);Console.WriteLine("姓名： " + red.ReaderName);Console.WriteLine("性别： " + red.ReaderSex);Console.WriteLine("所在院系： " + red.ReaderDepartment);Console.WriteLine("主修专业： " + red.ReaderMajor);Console.Write("已借图书： ");for (int i = 0; i < red.BowPublication.Length-1; i++){if (red.BowPublication[i] != ""){Console.Write(" "+red.BowPublication[i]);}}Console.WriteLine("");Console.WriteLine("--------------------------------------------------------------------");Console.WriteLine("");Console.WriteLine("是否办理其他业务(y/n)?");string answer = Console.ReadLine();if (answer == "y")ShowMainMenu();}else{Console.WriteLine("结束");}}/*显示新出版物入库的信息*/public void ShowAddPublications(){pub = new Publications();Console.Write("请输入出版物的编号： ");pub.PublicationIsbn=Console.ReadLine();Console.Write("请输入出版物的名称： ");pub.PublicationName = Console.ReadLine();Console.Write("请输入出版物的编者： ");pub.PublicationAuthor = Console.ReadLine();Console.Write("请输入出版物的类型： ");pub.PublicationType = Console.ReadLine();pub.PublicationStatus = true;mag.AddPublications(pub);Console.WriteLine("新出版物入库成功！");Console.WriteLine("是否办理其他业务(y/n)?");string answer = Console.ReadLine();if (answer == "y"){ShowMainMenu();Console.WriteLine();Console.WriteLine();}else{Console.WriteLine("结束");}}/*显示新读者注册的信息*/public void ShowAddReaders(){red = new Readers();Console.Write("请输入新注册读者的编号： "); red.ReaderId = Console.ReadLine();Console.Write("请输入新注册读者的姓名： "); red.ReaderName= Console.ReadLine();Console.Write("请输入新注册读者的性别： "); red.ReaderSex = Console.ReadLine();Console.Write("请输入新注册读者的院系： "); red.ReaderDepartment = Console.ReadLine();Console.Write("请输入新注册读者的专业： "); red.ReaderMajor = Console.ReadLine();for(int i=0;i<10;i++){red.BowPublication[i]="";}mag.AddReaders(red);Console.WriteLine("新读者注册成功！");Console.WriteLine("是否办理其他业务(y/n)?");string answer = Console.ReadLine();if (answer == "y"){ShowMainMenu();Console.WriteLine();Console.WriteLine();}else{Console.WriteLine("结束");}}}}。