C#編寫影院售票系統（A project with a higher amount of gold ）（2:相關代碼）

此篇文章為項目代碼，，，需要項目需求，思路分析與窗體效果請訪問：http://www.cnblogs.com/lsy131479/p/8367304.html ...

此篇文章為項目代碼，，，需要項目需求，思路分析與窗體效果請訪問：http://www.cnblogs.com/lsy131479/p/8367304.html

項目類圖：

影院類：

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>
    /// 影院類
    /// 保存放映計劃和座位類
    /// </summary>
    [Serializable]
    public class Cinema
    {
        //座位集合
        private Dictionary<string, Seat> seats;

        //放映計劃
        private Schedule schedule;

        //已售出電影票的集合
        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; }


        //保存售票情況
        public void Save(Dictionary<string, Cinema> dictionary)
        {
            //創建文件流派
            Stream stream = new FileStream("save.bin", FileMode.Create);
            //二進位序列化
            BinaryFormatter bf = new BinaryFormatter();
            //將對象或具有指定頂級 （根）、 對象圖序列化到給定的流
            bf.Serialize(stream, dictionary);
            //關閉流
            stream.Close();
        }

        //讀取售票情況
        public Dictionary<string, Cinema> Load(Dictionary<string, Cinema> dictionary)
        {
            //創建文件流派
            Stream stream = new FileStream("save.bin", FileMode.Open);
            //二進位序列化
            BinaryFormatter bf = new BinaryFormatter();
            //指定的流反序列化對象圖
            dictionary = (Dictionary<string, Cinema>)bf.Deserialize(stream);
            //關閉流
            stream.Close();
            return dictionary;
        }
    }
}

電影票類：

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

namespace Theater_Ticket_Selling_System
{
    /// <summary>
    /// 電影票（父類）
    /// 保存電影信息
    /// </summary>
    [Serializable]
    public class Ticket
    {
        //放映場次
        private ScheduleItem scheduleItem;

        //所屬座位對象
        private Seat seat;

        //票價
        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; }

        //計算票價
        public virtual double CalcPrice()
        {
            return Price;
        }

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

        }

        //顯示當前出票信息
        public virtual string Show()
        {
            StringBuilder sb = new StringBuilder();
            sb.AppendLine("*****************************************");
            sb.AppendLine("\t  " + "青鳥影院(普通票)");
            sb.AppendLine("-----------------------------------------");
            sb.AppendLine("電影名：" + ScheduleItem.Movie.MovieName);
            sb.AppendLine("時間：" + ScheduleItem.Time);
            string text = Seat.SeatNum.Remove(0, Seat.SeatNum.Length - 3);
            sb.AppendLine("座位號：" + text);
            sb.AppendLine("價格：" + Price);
            sb.AppendLine("*****************************************");
            sb.AppendLine("\t  " + "(a)普通票");
            return sb.ToString();

        }
    }
}

贈票類：

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

namespace Theater_Ticket_Selling_System
{
    /// <summary>
    /// 贈票（子類）
    /// 保存特殊的增票信息
    /// </summary>
    public class FreeTicket:Ticket
    {
        //贈票者名字
        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; }


        //計算票價
        public override double CalcPrice()
        {
            return 0;
        }

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

        //顯示當前出票信息
        public override string Show()
        {
            StringBuilder sb = new StringBuilder();
            sb.AppendLine("*****************************************");
            sb.AppendLine("\t  " + "青鳥影院(贈票)");
            sb.AppendLine("-----------------------------------------");
            sb.AppendLine("電影名：" + ScheduleItem.Movie.MovieName);
            sb.AppendLine("時間：" + ScheduleItem.Time);
            string text = Seat.SeatNum.Remove(0, Seat.SeatNum.Length - 3);
            sb.AppendLine("座位號：" + text);
            sb.AppendLine("價格：" + CalcPrice());
            sb.AppendLine("*****************************************");
            sb.AppendLine("\t  " + "(a)贈票");
            return sb.ToString();
        }

    }
}

學生票類：

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

namespace Theater_Ticket_Selling_System
{
    /// <summary>
    /// 學生票（子類）
    /// 保存特殊的學生票信息
    /// </summary>
    public class StudentTicket : Ticket
    {
        //學生折扣
        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; }

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

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

        //顯示當前出票信息
        public override string Show()
        {
            StringBuilder sb = new StringBuilder();
            sb.AppendLine("*****************************************");
            sb.AppendLine("\t  " + "青鳥影院(學生票)");
            sb.AppendLine("-----------------------------------------");
            sb.AppendLine("電影名：" + ScheduleItem.Movie.MovieName);
            sb.AppendLine("時間：" + ScheduleItem.Time);
            string text = Seat.SeatNum.Remove(0, Seat.SeatNum.Length - 3);
            sb.AppendLine("座位號：" + text);
            sb.AppendLine("價格：" + CalcPrice());
            sb.AppendLine("*****************************************");
            sb.AppendLine("\t  " + "(a)學生票");
            return sb.ToString();
        }
    }
}

電影類：

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

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

        //海報圖片名
        private string poster;

        //導演名
        private string director;

        //主演
        private string actor;

        //電影類型
        private MovieType movieType;

        //定價
        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; }
    }
}

電影類型類（枚舉）：

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

namespace Theater_Ticket_Selling_System
{
    /// <summary>
    /// 電影類型
    /// </summary>
    public enum MovieType
    {
        //喜劇片
        Comedy,
        //戰爭片
        War,
        //浪漫片
        Romance,
        //動作片
        Action,
        //卡通片
        Cartoon,
        //驚悚片
        Thriller,
        //冒險
        Adventure
    }
}

放映計劃類：

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>
    /// 放映計劃
    /// 保存影院當天的放映計劃集合
    /// </summary>
    [Serializable]

    public class Schedule
    {
        //放映場次
        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;
        }

        //讀取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);
                }
            }
        }
    }
}

座位類：

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
    {
        //座位號
        private string seatNum;

        //座位賣出狀態顏色
        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; }
    }
}

工具類（設計模式：簡單工廠）：

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

namespace Theater_Ticket_Selling_System
{
    /// <summary>
    /// 工具類
    /// 根據輸入的值，判斷創建不同的電影票對象
    /// </summary>
    public class TicketTtil
    {
        public static Ticket CreateTicket(string type)
        {
            Ticket ticket = null;
            switch (type)
            {
                case "贈票":
                    ticket = new FreeTicket();
                    break;
                case "學生票":
                    ticket = new StudentTicket();
                    break;
                default:
                    ticket = new Ticket();
                    break;
            }
            return ticket;
        }
    }
}

主窗體類：

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>
    /// 影院售票系統
    /// </summary>
    public partial class FrmMain : Form
    {
        public FrmMain()
        {
            InitializeComponent();
        }
        //實例化影院類（所有存儲都是以影院類為基礎）
        Cinema cinema = new Cinema();
        //保存已售座位
        Dictionary<string, Cinema> dictionary = new Dictionary<string, Cinema>();
        //存儲所有lable控制項信息（方便改變控制項狀態）
        Dictionary<string, Label> labels = new Dictionary<string, Label>();


        //清空所有控制項
        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;
        }

        //選中影片場次時，對所有控制項賦相應的值，顯示影片信息
        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();
        }
        
        //為TreeView控制項動態賦值
        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();
        }

        //動態綁定所有lable控制項
        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("宋體", 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);
                }
            }

        }

        //當確認買票時為已售票集合添加相應場次，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)
        {
            /*
             * 買票
             * */
            Label label = (Label)sender;
            if (label.BackColor == Color.Red)
            {
                MessageBox.Show("已售！");
                return null;
            }

            DialogResult result = MessageBox.Show("是否購買？", "提示", MessageBoxButtons.YesNo, MessageBoxIcon.Information);
            if (result == DialogResult.No)
            {
                return null;
            }
            AddSold(sender);
            Change_Color();
            UpdateSeat();
            MessageBox.Show("購買成功！");
            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;

            /*
             * 在電腦硬碟記憶體儲已買座位的小票（方便列印）
             * */
            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;
        }
        
        /*
         * 遍歷已售票集合與座位集合，，將已售出的相應座位標記到座位集合中
         * */
        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)
                    {
                        /*
                         * 這裡將Color屬性賦值為Red作為已售出的座位
                         * */
                        //MessageBox.Show("Test");
                        items.Color = Color.Red;
                    }
                }
            }
        }

        //遍歷座位集合。。為控制項改變狀態，表示此座位已售出，（方便用戶）
        public void UpdateSeat()
        {
            foreach (string key in cinema.Seats.Keys)
            {
                labels[key].BackColor = cinema.Seats[key].Color;
            }
        }

        /*
         * 買票時要作出的相應的非空判斷
         * */
        public bool Not_Null()
        {
            if (tvMovies.SelectedNode == null)
            {
                MessageBox.Show("請選擇影片");
                return false;
            }

            if (tvMovies.SelectedNode.Tag == null)
            {
                MessageBox.Show("請選擇影片放映時間");
                return false