集合书写图书管理系统(C#程序)

using System;
using System.Collections.Generic;

namespace Book_Manage
{
    class MainClass
    {
        struct Book
        {
            //公司变量名前面加一个m_

            /// 

            /// 书的名字
            /// 
            public string m_BookName;
            /// 

            /// 书的作者
            /// 
            public string m_BookAuthor;
            /// 

            /// 书的价格
            /// 
            public float m_Price;
        }

        public static void Main(string[] args)
        {
            Book book1 = new Book ();

            book1.m_BookName="平凡的世界";
            book1.m_BookAuthor = "路遥";
            book1.m_Price = 10;
            Book book2;
            book2.m_BookName="射雕英雄传";
            book2.m_BookAuthor="金庸";
            book2.m_Price=23.5f;

            List m_Books = new List ();


            m_Books.Add(book1);
            m_Books.Add(book2);

            while (true)
            {
                Console.WriteLine ("**************************************************");
                Console.WriteLine ("*             欢迎进入图书管理系统               *");
                Console.WriteLine ("*A:添加  D:删除 C:修改 S:查看 Q:退出 P:全部显示  *");
                Console.WriteLine ("**************************************************");
                Console.Write ("请输入你要进行的选择(Q表示退出!):");
                string input = Console.ReadLine ();

                //把input字符串转换成大写  然后再赋值给input
                input=input.ToUpper();

                switch (input)
                {
                    //添加
                    case "A":
                        {
                            //往数组里面加一本书
                            Book book;
                            Console.Write ("请输入要添加的图书的名字:");
                            string name = Console.ReadLine ();
                            Console.Write ("前输入要添加的图书的作者:");
                            string author = Console.ReadLine ();
                            Console.Write ("请输入要添加的图书的价格:");
                            float price = float.Parse (Console.ReadLine ());

                            book.m_BookName = name;
                            book.m_BookAuthor = author;
                            book.m_Price = price;

                            m_Books.Add (book);

                            //进行其中的显示的清除
                            Console.Clear ();

                           
                        }
                        break;
                        //删除
                    case "D":
                        {
                            Console.WriteLine ("E:按名称删除 R:按作者删除");
                            Console.Write ("请输入您的选择:");
                            string str = Console.ReadLine ();
                            switch (str)
                            {
                                case "E":
                                    Book book = new Book ();
                                    //判断是否找到此书
                                    bool isFind = false;
                                    Console.Write ("请输入您要进行删除的图书的名字:");
                                    string strName = Console.ReadLine ();
                                    for (int i = 0; i ) {
                                        if (m_Books[i].m_BookName==strName)
                                        {
                                            isFind = true;
                                            book.m_BookAuthor = m_Books [i].m_BookAuthor;
                                            book.m_BookName = m_Books [i].m_BookName;
                                            book.m_Price = m_Books [i].m_Price;
                                        }
                                    } 
                                    if (isFind)
                                    {
                                        m_Books.Remove (book);
                                        Console.WriteLine ("删除成功!!!!!");
                                    }
                                    else
                                    {
                                        Console.WriteLine ("删除失败!!!!!");
                                    }

                                    break;
                                case "R":
                                    //判断是否找到此书
                                    bool isFind1 = false;
                                    Book book3 = new Book ();
                                    Console.Write ("请输入您要进行删除的图书的作者:");
                                    string strAuthor = Console.ReadLine ();
                                    for (int i = 0; i ) {
                                        if (m_Books[i].m_BookAuthor==strAuthor)
                                        {
                                            isFind = true;
                                            book3.m_BookAuthor = m_Books [i].m_BookAuthor;
                                            book3.m_BookName = m_Books [i].m_BookName;
                                            book3.m_Price = m_Books [i].m_Price;
                                        }
                                    } 
                                    if (isFind1)
                                    {
                                        m_Books.Remove (book3);
                                        Console.WriteLine ("删除成功!!!!!");

                                    }
                                    else
                                    {
                                        Console.WriteLine ("删除失败!!!!!");
                                    }
                                    break;
                            }
                            //进行其中的显示的清除
                            Console.Clear ();
                        }
                        break;
                        //修改
                    case "C":
                        {
                            int index = 0;
                            bool isFind = false;
                            Book book3 = new Book ();;
                            Console.Write ("请输入要修改的书的名字:");
                            string strName = Console.ReadLine ();
                            for (int i = 0; i )
                            {
                                if (m_Books[i].m_BookName==strName)
                                {
                                    isFind = true;
                                    index = i;
                                }
                            }
                            if (isFind)
                            {
                                Console.WriteLine ("Y:修改图书名称 H:修改图书作者 G:修改图书价格");
                                Console.Write ("请输入您的选择:");
                                string str = Console.ReadLine ();
                                switch (str)
                                {
                                    case "Y":
                                        Console.Write ("请输入您要修改成的图书名称:");
                                        string strName1 = Console.ReadLine ();
                                        book3.m_BookName = strName1;
                                        book3.m_BookAuthor = m_Books[index].m_BookAuthor;
                                        book3.m_Price = m_Books[index].m_Price;
                                        break;
                                    case "H":
                                        Console.Write ("请输入您要修改成的图书作者:");
                                        string strAuthor = Console.ReadLine ();
                                        book3.m_BookName = m_Books[index].m_BookName;
                                        book3.m_BookAuthor = strAuthor;
                                        book3.m_Price = m_Books[index].m_Price;
                                        break;
                                    case "G":
                                        Console.Write ("请输入您要修改成的图书名称:");
                                        int price = int.Parse (Console.ReadLine ());
                                        book3.m_Price = price;
                                        book3.m_BookName = m_Books[index].m_BookName;
                                        book3.m_BookAuthor = m_Books[index].m_BookAuthor;
                                        break;
                                }
                                m_Books.RemoveAt (index);
                                m_Books.Insert (index,book3);
                                book3.m_BookAuthor = "";
                                book3.m_BookName = "";
                                book3.m_Price = 0;
                            }
                            else
                            {
                                Console.WriteLine ("没有此图书无法进行修改!!!!!");
                            }
                            //进行其中的显示的清除
                            Console.Clear ();

                        }
                        break;
                        //查看
                    case "S":
                        {
                            Console.WriteLine ("N:按名称查找  Z：按作者查找");
                            Console.Write ("请输入您的选择:");
                            string str = Console.ReadLine ();
                            str = str.ToUpper ();
                            switch (str)
                            {
                                case "N":
                                    {
                                        Console.Write ("请输入要查找书的名称:");
                                        string strName = Console.ReadLine ();
                                        //判断是否找到此书
                                        bool isFind = false;
                                        //记录找到的书的下标
                                        int index = 0;
                                        for (int i = 0; i )
                                        {
                                            if (m_Books [i].m_BookName == strName)
                                            {
                                                isFind = true;
                                                index = i;
                                            }
                                        }
                                        if (isFind)
                                        {
                                            Console.WriteLine ("书的名字为:{0},书的作者为:{1},书的价格为:{2}",
                                                m_Books [index].m_BookName,
                                                m_Books [index].m_BookAuthor,
                                                m_Books [index].m_Price);
                                        }
                                        else
                                        {
                                            Console.WriteLine ("没有找到这本书!!!!!!");
                                        }
                                    }
                                    break;
                                case "Z":
                                    {
                                        Console.Write ("请输入要查找书的作者:");
                                        string strAuthor = Console.ReadLine ();
                                        //判断是否找到此书
                                        bool isFind = false;
                                        //记录找到的书的下标
                                        int index = 0;
                                        for (int i = 0; i )
                                        {
                                            if (m_Books [i].m_BookName == strAuthor)
                                            {
                                                isFind = true;
                                                index = i;
                                            }
                                        }
                                        if (isFind)
                                        {
                                            Console.WriteLine ("书的名字为:{0},书的作者为:{1},书的价格为:{2}",
                                                m_Books [index].m_BookName,
                                                m_Books [index].m_BookAuthor,
                                                m_Books [index].m_Price);
                                        }
                                        else
                                        {
                                            Console.WriteLine ("没有找到这本书!!!!!!");
                                        }
                                    }
                                    break;
                            }
                            //进行其中的显示的清除
                            Console.Clear ();
                        }
                        break;
                    case "P":
                        for (int i = 0; i )
                        {
                            Console.WriteLine ("书的名字:{0},书的作者:{1},书的价格:{2}",
                                m_Books[i].m_BookName,
                                m_Books[i].m_BookAuthor,
                                m_Books[i].m_Price);
                        }
                        break;
                }
                if (input=="Q")
                {
                    break;
                }
            }
            Console.WriteLine ("退出程序成功!!!!!");
        }
    }
}

using System;
using System.Collections;
using System.Collections.Generic;
using System.Collections.ObjectModel;

namespace books_Manage
{
    enum Bookstate 
    {
        增加图书=1,删除图书=2,修改图书=3,查看图书=4,退出系统=5
    }
    /// 

    /// 图书的所有属性
    /// 
    class Book
    {
        private string bookid;
        private string bookname;
        private int bookprice;
        private int bookcount;
        public string Bookid{
            get{
                return bookid;
            }
            set{
                bookid = value;
            }
        }
        public string Bookname{
            get{
                return bookname;
            }
            set{
                bookname = value;
            }
        }
        public int Bookprice{
            get{
                return bookprice;
            }
            set{
                bookprice = value;
            }
        }
        public int Bookcount{
            get{
                return bookcount;
            }
            set{
                bookcount = value;
            }
        }

    }
    class MainClass
    {
        public static void Main(string[] args)
        {
            
            bool flag = false;
            List list = new List ();
            Book b1 = new Book ();;
            b1.Bookid = "1";
            b1.Bookname = "lanou";
            b1.Bookcount = 12;
            b1.Bookprice = 34;

            BookBean bookbean = new BookBean ();
            while (true)
            {
                Console.WriteLine ("         图书管理系统");
                Console.WriteLine ("*********************************");
                Console.WriteLine ("*         1.增加图书            *");
                Console.WriteLine ("*         2.删除图书            *");
                Console.WriteLine ("*         3.修改图书            *");
                Console.WriteLine ("*         4.查看图书            *");
                Console.WriteLine ("*         5.退出系统            *");
                Console.WriteLine ("*********************************");
                Console.Write ("请输入你要进行的操作:");
                int number = int.Parse (Console.ReadLine());
                Bookstate bookstate = (Bookstate)number;
                switch (bookstate)
                {
                    case Bookstate.修改图书:
                        bookbean.updateBook (list);
                        break;
                    case Bookstate.删除图书:
                        list = bookbean.delBook (list);
                        break;
                    case Bookstate.增加图书:
                        list=bookbean.AddBook (list);
                        break;
                    case Bookstate.查看图书:
                        bookbean.ShowBook (list);
                        break;
                    case Bookstate.退出系统:
                        flag = true;
                        break;
                    default:
                        Console.WriteLine ("没有其对应的输入请重新输入!!!!!");
                        break;
                }
                //点击退出系统后所进行的操作
                if (flag)
                {
                    break;
                }
            }
            Console.WriteLine ("退出图书管理系统成功!!!!!!");
        }
    }
    class BookBean
    {
        /// 

        /// 进行图书的添加
        /// 
        public List AddBook(List list)
        {
            int temp = list.Count;
            Console.Write ("请输入要进行添加的图书的数目:");
            int count = int.Parse (Console.ReadLine ());
            for (int i = 0; i )
            {
                Console.WriteLine ("请输入第{0}本书的信息:",(i+1));
                Console.Write ("请输入要添加的图书的编号:");
                string bookid = Console.ReadLine ();
                Console.Write ("请输入要添加的图书的名称:");
                string bookname = Console.ReadLine ();
                Console.Write ("请输入要添加的图书的数量:");
                int bookcount =int.Parse(Console.ReadLine ());
                Console.Write ("请输入要添加的图书的价格:");
                int bookprice =int.Parse(Console.ReadLine ());

                Book book = new Book ();
                book.Bookid = bookid;
                book.Bookname = bookname;
                book.Bookcount = bookcount;
                book.Bookprice = bookprice;

                list.Add (book);

            }
            if (templist.Count)
            {
                Console.WriteLine ("添加成功!!!!!");
            }
            else
            {
                Console.WriteLine ("添加失败!!!!!");
            }
            return list;
        }
        /// 

        /// 进行图书的查看
        /// 
        /// List.
        public void ShowBook(List list)
        {
            int counti=1;
            Console.WriteLine ("-----------------------------------------------------------------");
            Console.WriteLine ("       |   图书编号   |   图书名称   |  图书价格  |  图书数量   |");
            Console.WriteLine ("-------|---------------------------------------------------------");
            foreach (var item in list)
            {
                Console.Write ("   {0}   |      {1}       |      {2}      |     {3}       |     {4}       |",counti,item.Bookid,item.Bookname,item.Bookprice,item.Bookcount);
                Console.WriteLine ();
                Console.WriteLine ("-----------------------------------------------------------------");
                counti++;
            }

            Console.WriteLine ();
            Console.WriteLine ("一共{0}条数据!!!!",list.Count);
            Console.WriteLine ();
        }
        /// 

        /// 进行图书的删除
        /// 
        /// List.
        public List delBook(List list)
        {
            int temp = list.Count;
            Console.Write ("请输入你要删除的图书的名字:");
            string strname = Console.ReadLine();
            int temp1=0;
            int column = 0;
            foreach (Book item in list)
            {
                if (item.Bookname==strname)
                {
                    temp1=column;
                }
                column++;
            }
            list.RemoveAt(temp1);
            if (temp>list.Count)
            {
                Console.WriteLine ("删除成功!!!!!");
                column = 0;
            }
            else
            {
                Console.WriteLine ("删除失败!!!!!");
            }
            return list;
        }

        /// 

        /// 进行图书的修改
        /// 
        /// The book.
        /// List.
        public void updateBook(List list)
        {
            bool flag = false;
            Console.Write ("请输入要进行修改的学生的姓名:");
            string strname = Console.ReadLine ();

            int temp1=0;
            int column = 0;
            foreach (Book item in list)
            {
                if (item.Bookname==strname)
                {
                    temp1=column;
                }
                column++;
            }
            Console.WriteLine ();
            Console.WriteLine ("图书的信息为:");
            Console.WriteLine ("图书的编号:{0}",list[temp1].Bookid);
            Console.WriteLine ("图书的名称:{0}", list[temp1].Bookname);
            Console.WriteLine ("图书的数量:{0}",list[temp1].Bookcount);
            Console.WriteLine ("图书的价格:{0}",list[temp1].Bookprice);

            Console.WriteLine ();

            Console.WriteLine  ("请选择要进行修改的信息:");
            Console.WriteLine ("1.图书编号!!!");
            Console.WriteLine ("2.图书名称!!!");
            Console.WriteLine ("3.图书数量!!!");
            Console.WriteLine ("4.图书价格!!!");
            Console.WriteLine ("5.退出修改!!!");

            Console.Write ("请选择:");
            int number = int.Parse (Console.ReadLine());
            switch (number)
            {
                case 1:
                    {
                        Console.Write ("请输入要修改成的图书编号:");
                        string strbookid = Console.ReadLine ();
                        list [temp1].Bookid = strbookid;
                        //判断是否修改成功
                        if (list[temp1].Bookid==strbookid)
                        {
                            Console.WriteLine ("修改成功!!!!!");
                        }
                        else
                        {
                            Console.WriteLine ("修改失败!!!!!");
                        }
                    }
                    break;
                case 2:
                    {
                        Console.Write ("请输入要修改成的图书名称:");
                        string strbookname = Console.ReadLine ();
                        list [temp1].Bookname = strbookname;
                        //判断是否修改成功
                        if (list[temp1].Bookname==strbookname)
                        {
                            Console.WriteLine ("修改成功!!!!!");
                        }
                        else
                        {
                            Console.WriteLine ("修改失败!!!!!");
                        }
                    }
                    break;
                case 3:
                    {
                        Console.Write ("请输入要修改成的图书价格:");
                        int strbookprice =int.Parse(Console.ReadLine ());
                        list [temp1].Bookprice = strbookprice;
                        //判断是否修改成功
                        if (list[temp1].Bookprice==strbookprice)
                        {
                            Console.WriteLine ("修改成功!!!!!");
                        }
                        else
                        {
                            Console.WriteLine ("修改失败!!!!!");
                        }
                    }
                    break;
                case 4:
                    {
                        Console.Write ("请输入要修改成的图书数量:");
                        int strbookcount =int.Parse(Console.ReadLine ());
                        list [temp1].Bookcount =  strbookcount;
                        //判断是否修改成功
                        if (list[temp1].Bookcount==strbookcount)
                        {
                            Console.WriteLine ("修改成功!!!!!");
                        }
                        else
                        {
                            Console.WriteLine ("修改失败!!!!!");
                        }
                    }
                    break;
                case 5:
                    flag = true;
                    break;
            }
            if (flag)
            {
                Console.WriteLine ("退出修改成功!!!!");
            }

        }
    }

}