C#影院售票系统毕业设计（4）

 public void Save()  {  //保存的文件  FileStream fs = new FileStream("soldTickets.txt", FileMode.OpenOrCreate);  StreamWriter sw = new StreamWriter(fs, Encoding.Default);  for (int i = 0; i < cinema.SoldTickets.Count; i++)  {   //创建售出票对象   Ticket ticket = cinema.SoldTickets[i];   //票的类型   string type = "";   //票的折扣   int discount = 0;   //赠送者的名字   string name = "";   //用is判断属于哪个类，并根据类设置类型   if (cinema.SoldTickets[i] is StudentTicket)   {   type = "stu";   discount = ((StudentTicket)cinema.SoldTickets[i]).Discount;   }   else if (cinema.SoldTickets[i] is FreeTicket)   {   type = "free";   name = ((FreeTicket)cinema.SoldTickets[i]).CustomerName;   }   else   {   type = "normal";   }   //将信息写入文本文件0.电影名1.场次2.座位号3.票价4.折扣5.类型6.赠送者   string info = string.Format("{0}|{1}|{2}|{3}|{4}|{5}|{6}", cinema.SoldTickets[i].ScheduItem.Movie.MovieName, cinema.SoldTickets[i].ScheduItem.Time, cinema.SoldTickets[i].Seat.SeatNum, cinema.SoldTickets[i].Price, discount, type, name);   sw.WriteLine(info);  }  sw.WriteLine("The End");  sw.Close();  fs.Close();  MessageBox.Show("保存成功！");  }

 public void LoadLis()  {  StreamReader reader = new StreamReader("soldTickets.txt", Encoding.Default);  //一行一行的读取，先预读一行给while判断用  string line = reader.ReadLine();  //保存分割好的数据的数组  string[] pv;  Ticket ticket = null;  //当是The End时结束读取  while (line.Trim() != "The End")  {   pv = line.Split('|');   //读取文本信息   string index = pv[1];   //创建票对象   ticket = TicketUtil.CreateTicket(cinema.Schedule.Items[index], cinema.Seats[pv[2]], int.Parse(pv[4]), pv[6], pv[5]);   //加入到售出票集合   cinema.SoldTickets.Add(ticket);   line = reader.ReadLine();  }  reader.Close();  }