using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Collections;

namespace Booklist

{

    public class Book

    {

        /// <summary>

        /// 作者

        /// </summary>

        public string Author

        {

            get;

            set;

        }

        /// <summary>

        /// ISBN

        /// </summary>

        public string Isbn

        {

            get;

            set;

        }

        /// <summary>

        /// 书名

        /// </summary>

        public string Name

        {

            get;

            set;

        }

        /// <summary>

        /// 价格

        /// </summary>

        public double Price

        {

            get;

            set;

        }

        /// <summary>

        /// 重载构造函数

        /// </summary>

        public Book()

        {

        }

        /// <summary>

        /// 带参数的构造函数

        /// </summary>

        /// <param name="n">名称</param>

        /// <param name="s">ISDN</param>

        /// <param name="p">价格</param>

        /// <param name="a">作者</param>

        public Book(string n, string s, double p, string a)

        {

            Name = n;

            Isbn = s;

            Price = p;

            Author = a;

        }

    }

    public class Store

    {

        private ArrayList booklist;

        /// <summary>

        /// 图书列表

        /// </summary>

        public Store()

        {

            booklist = new ArrayList();

        }

        /// <summary>

        /// 获取图书列表

        /// </summary>

        public ArrayList Booklist

        {

            get

            {

                return booklist;

            }

            set

            {

                booklist = value;

            }

        }

        /// <summary>

        /// 从仓库中获取指定书名的书籍

        /// </summary>

        /// <param name="name">名称</param>

        /// <returns>书的信息</returns>

        public Book GetBook(string name)

        {

            Book book = new Book();

            foreach(Book b in booklist)

            {

                if (b.Name == name)

                {

                    book = b;

                }

            }

            return book;

        }

        /// <summary>

        /// 判断指定书名的书籍是否存在

        /// </summary>

        /// <param name="n">书名</param>

        /// <returns>存在返回true</returns>

        public bool Exists(string n)

        {

            bool s = false;

            foreach (Book b in booklist)

            {

                if (b.Name == n)

                {

                    s = true;

                }

            }

            return s;

        }

        /// <summary>

        /// 从列表中增加一个图书

        /// </summary>

        /// <param name="b">书的对象</param>

        /// <returns>列表</returns>

        public ArrayList AddBook(Book b)

        {

            booklist.Add(b);

            return booklist;

        }

        /// <summary>

        /// 移除指定名称的图书

        /// </summary>

        /// <param name="b">要移除的图书名称</param>

        /// <returns>处理的结果</returns>

        public ArrayList Remove(Book b)

        {

            if (booklist.Contains(b))

                booklist.Remove(b);

            return booklist;

        }

        /// <summary>

        /// 移除指定书名的图书

        /// </summary>

        /// <param name="n">书名</param>

        /// <returns>处理后的结果</returns>

        public ArrayList Remove(string n)

        {

            ArrayList temp = (ArrayList)booklist.Clone();

            foreach (Book b in temp)

            {

                if (b.Name == n)

                {

                    booklist.Remove(b);

                }

            }

            return booklist;

        }

    }

}

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

namespace Booklist

{

    public partial class Form1 : Form

    {

        Store st;       //声明一个仓库的全局变量，作为数据存储的变量

        public Form1()

        {

            InitializeComponent();

            Book b = new Book("神秘藏宝室开发板套件基础版","1122-334",134d,"小白");

            Book b1 = new Book("神秘藏宝室开发板套件提高版", "1122-335", 134d, "小白");

            Book b2 = new Book("神秘藏宝室开发板套件至尊版", "1122-336", 134d, "小白");

            st = new Store();

            st.AddBook(b);

            st.AddBook(b1);

            st.AddBook(b2);

            Bind();

        }

        /// <summary>

        /// 填充数据

        /// </summary>

        private void Bind()

        {

            cb_list.Items.Clear();          //清空下拉列表

            cb_list.Text = "请选择一本书";    //显示一个默认值

            foreach(Book b in st.Booklist)

            {

                cb_list.Items.Add(b.Name);

            }

            lb_output.Text = "当前仓库中共计" + st.Booklist.Count.ToString() + "本书";

        }

        private void button1_Click(object sender, EventArgs e)

        {

            //出库

            if (st.Exists(cb_list.Text))

            {

                st.Remove(cb_list.Text);

                cb_list.Text = "删除成功";

                tb_name.Text = "";

                tb_isdn.Text = "";

                tb_price.Text = "";

                tb_author.Text = "";

            }

            Bind(); //重新填充数据

        }

        private void button2_Click(object sender, EventArgs e)

        {

            if (st.Exists(cb_list.Text))

            {

                Book b = st.GetBook(cb_list.Text);

                lb_output.Text = string.Format("书名：{0},\n作者：{1},\n价格：{2},\nISBN：{3}", b.Name, b.Author, b.Price, b.Isbn);

            }

            else

            {

                lb_output.Text = "不存在的书籍";

            }

        }

        private void button3_Click(object sender, EventArgs e)

        {

            if (tb_name.Text != "" && tb_author.Text != "" && tb_price.Text != "" && tb_isdn.Text != "")

            {

                Book b = new Book(

                    tb_name.Text,

                    tb_isdn.Text,

                    double.Parse(tb_price.Text),

                    tb_author.Text

                    );

                st.AddBook(b);

                Bind();

            }

        }

        private void cb_list_SelectedIndexChanged(object sender, EventArgs e)

        {

            Book b = st.GetBook(cb_list.Text);

            tb_name.Text = b.Name;

            tb_isdn.Text = b.Isbn;

            tb_price.Text = b.Price.ToString();

            tb_author.Text = b.Author;

        }

    }

}