studentticket.cs

青鸟影院

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

namespace GreenBirdCinema
{
    /// <summary>
    /// 学生票子类，继承父类Ticket，保存特殊的学生票信息,
    ///  特有成员有折扣数属性,用于指定学生票的折扣(Discount):int类型
    /// </summary>
    /// 
    [Serializable]
    class StudentTicket:Ticket
    {
        public StudentTicket() { }
        public StudentTicket(ScheduleItem scheduleItem,Seat seat,int discount):base(scheduleItem,seat)
        {
            this.Discount = discount;
        }

        private int discount;           //折扣数属性

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

        public override void CalcPrice()
        {
            //学生票的价格是父类中的价格乘以打折数
            this.Price = this.ScheduleItem.Movie.Price * discount / 10;
        }

        public override void Print()
        {
            this.FileName = string.Format("{0}",this.ScheduleItem.Time+" "+this.Seat.SeatNumber+".txt");
            FileStream fs = new FileStream(FileName, FileMode.Create);
            StreamWriter sw = new StreamWriter(fs);
            sw.WriteLine("****************************");
            sw.WriteLine("青鸟影院(学生)");
            sw.WriteLine("----------------------------");
            sw.WriteLine("电影名:\t{0}", this.ScheduleItem.Movie.MovieName);
            sw.WriteLine("时间:\t{0}", this.ScheduleItem.Time);
            sw.WriteLine("座位号:\t{0}", this.Seat.SeatNumber);
            sw.WriteLine("价格:\t{0}", this.Price.ToString());
            sw.WriteLine("****************************");
            sw.Close();
            fs.Close();
        }
    }
}