C#编写影院售票系统（A project with a higher amount of gold ）（2:相关代码）

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.Serialization.Formatters.Binary;
using System.Text;
using System.Threading.Tasks;

namespace Theater_Ticket_Selling_System
{
    /// <summary>
    /// 影院类
    /// 保存放映计划和座位类
    /// </summary>
    [Serializable]
    public class Cinema
    {
        //座位集合
        private Dictionary<string, Seat> seats;

        //放映计划
        private Schedule schedule;

        //已售出电影票的集合
        private List<Ticket> soldTickets;

        public Cinema()
        {
            Schedule = new Schedule();
            Schedule.LoadItems();
            Seats = new Dictionary<string, Seat>();
            SoldTickets = new List<Ticket>();
        }

        public Cinema(Dictionary<string, Seat> seats, Schedule schedule, List<Ticket> soldTickets)
        {
            Seats = seats;
            Schedule = schedule;
            SoldTickets = soldTickets;
        }

        public Dictionary<string, Seat> Seats { get => seats; set => seats = value; }
        public Schedule Schedule { get => schedule; set => schedule = value; }
        public List<Ticket> SoldTickets { get => soldTickets; set => soldTickets = value; }


        //保存售票情况
        public void Save(Dictionary<string, Cinema> dictionary)
        {
            //创建文件流派
            Stream stream = new FileStream("save.bin", FileMode.Create);
            //二进制序列化
            BinaryFormatter bf = new BinaryFormatter();
            //将对象或具有指定顶级 （根）、 对象图序列化到给定的流
            bf.Serialize(stream, dictionary);
            //关闭流
            stream.Close();
        }

        //读取售票情况
        public Dictionary<string, Cinema> Load(Dictionary<string, Cinema> dictionary)
        {
            //创建文件流派
            Stream stream = new FileStream("save.bin", FileMode.Open);
            //二进制序列化
            BinaryFormatter bf = new BinaryFormatter();
            //指定的流反序列化对象图
            dictionary = (Dictionary<string, Cinema>)bf.Deserialize(stream);
            //关闭流
            stream.Close();
            return dictionary;
        }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Theater_Ticket_Selling_System
{
    /// <summary>
    /// 电影票（父类）
    /// 保存电影信息
    /// </summary>
    [Serializable]
    public class Ticket
    {
        //放映场次
        private ScheduleItem scheduleItem;

        //所属座位对象
        private Seat seat;

        //票价
        private int price;

        public Ticket()
        {
            
        }

        public Ticket(ScheduleItem scheduleItem, Seat seat, int price)
        {
            ScheduleItem = scheduleItem;
            Seat = seat;
            Price = price;
        }

        public ScheduleItem ScheduleItem { get => scheduleItem; set => scheduleItem = value; }
        public Seat Seat { get => seat; set => seat = value; }
        public int Price { get => price; set => price = value; }

        //计算票价
        public virtual double CalcPrice()
        {
            return Price;
        }

        //打印售票
        public virtual void Print()
        {

        }

        //显示当前出票信息
        public virtual string Show()
        {
            StringBuilder sb = new StringBuilder();
            sb.AppendLine("*****************************************");
            sb.AppendLine("\t  " + "青鸟影院(普通票)");
            sb.AppendLine("-----------------------------------------");
            sb.AppendLine("电影名：" + ScheduleItem.Movie.MovieName);
            sb.AppendLine("时间：" + ScheduleItem.Time);
            string text = Seat.SeatNum.Remove(0, Seat.SeatNum.Length - 3);
            sb.AppendLine("座位号：" + text);
            sb.AppendLine("价格：" + Price);
            sb.AppendLine("*****************************************");
            sb.AppendLine("\t  " + "(a)普通票");
            return sb.ToString();

        }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Theater_Ticket_Selling_System
{
    /// <summary>
    /// 赠票（子类）
    /// 保存特殊的增票信息
    /// </summary>
    public class FreeTicket:Ticket
    {
        //赠票者名字
        private string customerName;

        public FreeTicket()
        {
        }

        public FreeTicket(ScheduleItem scheduleItem, Seat seat, int price, string customerName) : base(scheduleItem, seat, price)
        {
            this.CustomerName = customerName;
        }

        public string CustomerName { get => customerName; set => customerName = value; }


        //计算票价
        public override double CalcPrice()
        {
            return 0;
        }

        //打印售票信息
        public override void Print()
        {
            base.Print();
        }

        //显示当前出票信息
        public override string Show()
        {
            StringBuilder sb = new StringBuilder();
            sb.AppendLine("*****************************************");
            sb.AppendLine("\t  " + "青鸟影院(赠票)");
            sb.AppendLine("-----------------------------------------");
            sb.AppendLine("电影名：" + ScheduleItem.Movie.MovieName);
            sb.AppendLine("时间：" + ScheduleItem.Time);
            string text = Seat.SeatNum.Remove(0, Seat.SeatNum.Length - 3);
            sb.AppendLine("座位号：" + text);
            sb.AppendLine("价格：" + CalcPrice());
            sb.AppendLine("*****************************************");
            sb.AppendLine("\t  " + "(a)赠票");
            return sb.ToString();
        }

    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Theater_Ticket_Selling_System
{
    /// <summary>
    /// 学生票（子类）
    /// 保存特殊的学生票信息
    /// </summary>
    public class StudentTicket : Ticket
    {
        //学生折扣
        private int discount;

        public StudentTicket()
        {
        }

        public StudentTicket(ScheduleItem scheduleItem, Seat seat, int price, int discount) : base(scheduleItem, seat, price)
        {
            this.Discount = discount;
        }

        public int Discount { get => discount; set => discount = value; }

        //计算票价
        public override double CalcPrice()
        {
            return Price * Discount/10;
        }

        //打印售票信息
        public override void Print()
        {
            base.Print();
        }

        //显示当前出票信息
        public override string Show()
        {
            StringBuilder sb = new StringBuilder();
            sb.AppendLine("*****************************************");
            sb.AppendLine("\t  " + "青鸟影院(学生票)");
            sb.AppendLine("-----------------------------------------");
            sb.AppendLine("电影名：" + ScheduleItem.Movie.MovieName);
            sb.AppendLine("时间：" + ScheduleItem.Time);
            string text = Seat.SeatNum.Remove(0, Seat.SeatNum.Length - 3);
            sb.AppendLine("座位号：" + text);
            sb.AppendLine("价格：" + CalcPrice());
            sb.AppendLine("*****************************************");
            sb.AppendLine("\t  " + "(a)学生票");
            return sb.ToString();
        }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Theater_Ticket_Selling_System
{
    /// <summary>
    /// 电影类
    /// </summary>
    [Serializable]
    public class Movie
    {
        //电影名
        private string movieName;

        //海报图片名
        private string poster;

        //导演名
        private string director;

        //主演
        private string actor;

        //电影类型
        private MovieType movieType;

        //定价
        private int price;

        public Movie()
        {
        }

        public Movie(string movieName, string poster, string director, string actor, MovieType movieType, int price)
        {
            MovieName = movieName;
            Poster = poster;
            Director = director;
            Actor = actor;
            MovieType = movieType;
            Price = price;
        }

        public string MovieName { get => movieName; set => movieName = value; }
        public string Poster { get => poster; set => poster = value; }
        public string Director { get => director; set => director = value; }
        public string Actor { get => actor; set => actor = value; }
        public MovieType MovieType { get => movieType; set => movieType = value; }
        public int Price { get => price; set => price = value; }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Theater_Ticket_Selling_System
{
    /// <summary>
    /// 电影类型
    /// </summary>
    public enum MovieType
    {
        //喜剧片
        Comedy,
        //战争片
        War,
        //浪漫片
        Romance,
        //动作片
        Action,
        //卡通片
        Cartoon,
        //惊悚片
        Thriller,
        //冒险
        Adventure
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Xml;

namespace Theater_Ticket_Selling_System
{
    /// <summary>
    /// 放映计划
    /// 保存影院当天的放映计划集合
    /// </summary>
    [Serializable]

    public class Schedule
    {
        //放映场次
        private Dictionary<string, ScheduleItem> item;

        public Dictionary<string, ScheduleItem> Item { get => item; set => item = value; }

        public Schedule()
        {
            Item = new Dictionary<string, ScheduleItem>();
        }

        public Schedule(Dictionary<string, ScheduleItem> item)
        {
            Item = item;
        }

        //读取XML文件
        public void LoadItems()
        {
            XmlDocument doc = new XmlDocument();
            doc.Load("ShowList.xml");
            XmlNode xml = doc.DocumentElement;
            ScheduleItem scheduleItem = null;
            foreach (XmlNode item in xml.ChildNodes)
            {
                Movie movie = new Movie();
                movie.MovieName = item["Name"].InnerText;
                movie.Poster = item["Poster"].InnerText;
                movie.Director = item["Director"].InnerText;
                movie.Actor = item["Actor"].InnerText;
                movie.MovieType = (MovieType)Enum.Parse(typeof(MovieType), item["Type"].InnerText);
                movie.Price = Convert.ToInt32(item["Price"].InnerText);
                foreach (XmlNode items in item["Schedule"].ChildNodes)
                {
                    scheduleItem = new ScheduleItem();
                    scheduleItem.Movie = movie;
                    scheduleItem.Time = items.InnerText;
                    Item.Add(scheduleItem.Time, scheduleItem);
                }
            }
        }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Drawing;

namespace Theater_Ticket_Selling_System
{
    /// <summary>
    /// 保存影院座位信息
    /// </summary>
    [Serializable]
    public class Seat
    {
        //座位号
        private string seatNum;

        //座位卖出状态颜色
        private Color color;

        public Seat()
        {
        }

        public Seat(string seatNum, Color color)
        {
            SeatNum = seatNum;
            Color = color;
        }

        public string SeatNum { get => seatNum; set => seatNum = value; }
        public Color Color { get => color; set => color = value; }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Theater_Ticket_Selling_System
{
    /// <summary>
    /// 工具类
    /// 根据输入的值，判断创建不同的电影票对象
    /// </summary>
    public class TicketTtil
    {
        public static Ticket CreateTicket(string type)
        {
            Ticket ticket = null;
            switch (type)
            {
                case "赠票":
                    ticket = new FreeTicket();
                    break;
                case "学生票":
                    ticket = new StudentTicket();
                    break;
                default:
                    ticket = new Ticket();
                    break;
            }
            return ticket;
        }
    }
}

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.IO;
using System.Runtime.Serialization.Formatters.Binary;

namespace Theater_Ticket_Selling_System
{
    /// <summary>
    /// 影院售票系统
    /// </summary>
    public partial class FrmMain : Form
    {
        public FrmMain()
        {
            InitializeComponent();
        }
        //实例化影院类（所有存储都是以影院类为基础）
        Cinema cinema = new Cinema();
        //保存已售座位
        Dictionary<string, Cinema> dictionary = new Dictionary<string, Cinema>();
        //存储所有lable控件信息（方便改变控件状态）
        Dictionary<string, Label> labels = new Dictionary<string, Label>();


        //清空所有控件
        public void Information_Emptying()
        {
            lblName.Text = null;
            lblDirector.Text = null;
            lblActor.Text = null;
            lblType.Text = null;
            lblTime.Text = null;
            lblPrice.Text = null;
            lblCalcPrice.Text = null;
            picMovie.Image = null;
        }

        //选中影片场次时，对所有控件赋相应的值，显示影片信息
        public void Information_Filling()
        {
            ScheduleItem schedule = (ScheduleItem)tvMovies.SelectedNode.Tag;
            lblName.Text = schedule.Movie.MovieName;
            lblDirector.Text = schedule.Movie.Director;
            lblActor.Text = schedule.Movie.Actor;
            lblType.Text = schedule.Movie.MovieType.ToString();
            lblTime.Text = tvMovies.SelectedNode.Text;
            lblPrice.Text = schedule.Movie.Price.ToString();
            lblCalcPrice.Text = schedule.Movie.Price.ToString();
            picMovie.Image = Image.FromFile(schedule.Movie.Poster);
        }

        private void FrmMain_Load(object sender, EventArgs e)
        {
            Information_Emptying();
            Butten();
        }
        
        //为TreeView控件动态赋值
        public void AddTree()
        {
            tvMovies.BeginUpdate();
            tvMovies.Nodes.Clear();
            TreeNode treeNode = null;
            string movieName = null;
            foreach (KeyValuePair<string, ScheduleItem> item in cinema.Schedule.Item)
            {
                if (movieName != item.Value.Movie.MovieName)
                {
                    treeNode = new TreeNode();
                    treeNode.Text = item.Value.Movie.MovieName;
                    treeNode.Tag = null;
                    tvMovies.Nodes.Add(treeNode);
                }
                TreeNode tree = new TreeNode();
                tree.Text = item.Key;
                tree.Tag = item.Value;
                treeNode.Nodes.Add(tree);
                movieName = item.Value.Movie.MovieName;
            }
            tvMovies.EndUpdate();
        }

        //动态绑定所有lable控件
        public void Butten()
        {
            cinema.Seats.Clear();
            labels.Clear();
            tpCinema.Controls.Clear();
            Seat seat = null;
            Label label = null;
            int seatRow = 7;
            int seatLine = 5;
            for (int i = 0; i < seatRow; i++)
            {
                for (int j = 0; j < seatLine; j++)
                {
                    label = new Label();
                    label.BackColor = Color.Yellow;
                    label.Font = new Font("宋体", 14.25F, FontStyle.Regular, GraphicsUnit.Point, ((byte)134));
                    label.AutoSize = false;
                    label.Size = new Size(50, 25);
                    label.Text = (j + 1).ToString() + "-" + (i + 1).ToString();
                    label.TextAlign = ContentAlignment.MiddleCenter;
                    label.Location = new Point(60 + (i * 90), 60 + (j * 60));
                    label.Click += new EventHandler(lblSeat_Click);
                    labels.Add(label.Text, label);
                    tpCinema.Controls.Add(labels[label.Text]);
                    seat = new Seat(label.Text, Color.Yellow);
                    cinema.Seats.Add(seat.SeatNum, seat);
                }
            }

        }

        //当确认买票时为已售票集合添加相应场次，座位的信息
        public void AddSold(object sender)
        {
            Label label = (Label)sender;
            Ticket ticket = TicketTtil.CreateTicket(tvMovies.SelectedNode.Parent.Text);
            ticket.ScheduleItem = (ScheduleItem)tvMovies.SelectedNode.Tag;
            ticket.Seat = cinema.Seats[label.Text];
            ticket.Seat.Color = Color.Red;
            ticket.Price = Convert.ToInt32(this.lblCalcPrice.Text);
            dictionary[tvMovies.SelectedNode.Text].SoldTickets.Add(ticket);
        }


        private void lblSeat_Click(object sender, EventArgs e)
        {
            if (!Not_Null())
            {
                return;
            }
            string print = Print(sender);
            if (string.IsNullOrEmpty(print))
            {
                return;
            }
            MessageBox.Show(print);
        }
        public string Print(object sender)
        {
            /*
             * 买票
             * */
            Label label = (Label)sender;
            if (label.BackColor == Color.Red)
            {
                MessageBox.Show("已售！");
                return null;
            }

            DialogResult result = MessageBox.Show("是否购买？", "提示", MessageBoxButtons.YesNo, MessageBoxIcon.Information);
            if (result == DialogResult.No)
            {
                return null;
            }
            AddSold(sender);
            Change_Color();
            UpdateSeat();
            MessageBox.Show("购买成功！");
            Ticket ticket = Chose_Rdo();

            ticket.ScheduleItem = cinema.Schedule.Item[tvMovies.SelectedNode.Text];
            ticket.Seat = cinema.Seats[label.Text];
            ticket.Price = cinema.Schedule.Item[tvMovies.SelectedNode.Text].Movie.Price;

            /*
             * 在电脑硬盘内存储已买座位的小票（方便打印）
             * */
            string time = (ticket.ScheduleItem.Time).Replace(':', '-');
            string num = ticket.Seat.SeatNum;
            string PrintStr = ticket.Show();
            string nowTime = (DateTime.Now.ToShortDateString().ToString()).Replace(':', '-').Replace('/', '-');
            string path = "Ticket\\" + nowTime + " ^ " + time + " " + num + ".txt";
            FileStream fs = new FileStream(path, FileMode.Create);
            StreamWriter sw = new StreamWriter(fs);
            sw.Write(PrintStr);
            sw.Close();
            fs.Close();
            return PrintStr;
        }
        
        /*
         * 遍历已售票集合与座位集合，，将已售出的相应座位标记到座位集合中
         * */
        public void Change_Color()
        {
            string key = this.tvMovies.SelectedNode.Text;
            foreach (Ticket item in dictionary[tvMovies.SelectedNode.Text].SoldTickets)
            {
                foreach (Seat items in cinema.Seats.Values)
                {
                    if (item.ScheduleItem.Time == key && item.Seat.SeatNum == items.SeatNum)
                    {
                        /*
                         * 这里将Color属性赋值为Red作为已售出的座位
                         * */
                        //MessageBox.Show("Test");
                        items.Color = Color.Red;
                    }
                }
            }
        }

        //遍历座位集合。。为控件改变状态，表示此座位已售出，（方便用户）
        public void UpdateSeat()
        {
            foreach (string key in cinema.Seats.Keys)
            {
                labels[key].BackColor = cinema.Seats[key].Color;
            }
        }

        /*
         * 买票时要作出的相应的非空判断
         * */
        public bool Not_Null()
        {
            if (tvMovies.SelectedNode == null)
            {
                MessageBox.Show("请选择影片");
                return false;
            }

            if (tvMovies.SelectedNode.Tag == null)
            {
                MessageBox.Show("请选择影片放映时间");
                return false;
            }
            if (rdoFree.Checked && string.IsNullOrEmpty(txtCustomer.Text))
            {
                MessageBox.Show("请输入赠片人姓名");
                txtCustomer.Focus();
                return false;
            }
            else
            {
                return true;
            }
        }

        //普通票
        private void rdoNormal_Click(object sender, EventArgs e)
        {
            try
            {
                Price();
                txtCustomer.Text = null;
                cmbDisCount.Text = null;
                cmbDisCount.Enabled = false;
                txtCustomer.Enabled = false;
            }
            catch (Exception)
            {
                //MessageBox.Show("请先选择场次再选择票类型");
            }

        }

        //赠票（免费）
        private void rdoFree_Click(object sender, EventArgs e)
        {
            try
            {
                Price();
                cmbDisCount.Text = null;
                cmbDisCount.Enabled = false;
                txtCustomer.Enabled = true;
            }
            catch (Exception)
            {
                //MessageBox.Show("请先选择场次再选择票类型");
            }
        }

        //学生票（折扣）
        private void rdoStudent_Click(object sender, EventArgs e)
        {
            try
            {
                Price();
                txtCustomer.Text = null;
                cmbDisCount.SelectedIndex = 0;
                cmbDisCount.Enabled = true;
                txtCustomer.Enabled = false;
            }
            catch (Exception)
            {
               // MessageBox.Show("请先选择场次再选择票类型");
            }
        }

        //获取新放映列表
        private void tsmiNew_Click(object sender, EventArgs e)
        {
            cinema = new Cinema();
            Information_Emptying();
            AddTree();
            Butten();

            dictionary.Clear();
            foreach (TreeNode item in tvMovies.Nodes)
            {
                foreach (TreeNode items in item.Nodes)
                {
                    Cinema c = new Cinema();
                    dictionary.Add(items.Text, c);
                }
            }
        }

        //树形菜单，，点击节点作出的动作
        private void tvMovies_AfterSelect(object sender, TreeViewEventArgs e)
        {
            rdoNormal.Checked = true;
            if (tvMovies.SelectedNode.Tag == null)
            {
                return;
            }
            Information_Filling();
            Butten();
            Change_Color();
            UpdateSeat();
        }

        //接收计算的最终票价
        public void Price()
        {
            Ticket ticket = Chose_Rdo();

            ticket.Price = Convert.ToInt32(lblPrice.Text);
            this.lblCalcPrice.Text = ticket.CalcPrice().ToString();
        }

        //判断选择的票类型，，实例化相应 的类并做出返回值
        public Ticket Chose_Rdo()
        {
            Ticket ticket = null;
            if (rdoStudent.Checked)
            {
                ticket = TicketTtil.CreateTicket(rdoStudent.Text);
                (ticket as StudentTicket).Discount = Convert.ToInt32(this.cmbDisCount.Text);
            }
            else if (rdoFree.Checked)
            {
                ticket = TicketTtil.CreateTicket(rdoFree.Text);
            }
            else
            {
                ticket = TicketTtil.CreateTicket(rdoNormal.Text);
            }
            return ticket;
        }

        //下拉框选择相应折扣计算票价
        private void cmbDisCount_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (cmbDisCount.Enabled == true)
            {
                return;
            }
            Price();
        }

        //保存（持久化）（关闭窗体后下次打开，点击继续销售可继续上次销售的票）
        private void tsmiSave_Click(object sender, EventArgs e)
        {
            cinema.Save(dictionary);
        }


        //窗体关闭时的事件（持久化）（关闭窗体后下次打开，点击继续销售可继续上次销售的票）
        private void FrmMain_FormClosing(object sender, FormClosingEventArgs e)
        {
            DialogResult result = MessageBox.Show("是否保存当前销售状态！", "提示", MessageBoxButtons.OKCancel, MessageBoxIcon.Information);
            if (result == DialogResult.OK)
            {
                cinema.Save(dictionary);
            }
        }

        //继续销售   可继续上次销售的票
        private void tsmiMovies_Click(object sender, EventArgs e)
        {
            cinema = new Cinema();
            Information_Emptying();
            AddTree();
            Butten();

            dictionary.Clear();
            foreach (TreeNode item in tvMovies.Nodes)
            {
                foreach (TreeNode items in item.Nodes)
                {
                    Cinema c = new Cinema();
                    dictionary.Add(items.Text, c);
                }
            }
           dictionary = cinema.Load(dictionary);
        }
    }
}