studentticket.cs

北大青鸟ACCP课程S2项目案例2影院售票系统

using System;
using System.Collections.Generic;
using System.Text;
using System.IO;

namespace CinemaTicket
{
    /// <summary>
    /// 学生票
    /// </summary>
    class StudentTicket : Ticket,IPrintable
    {
        /// <summary>
        /// 学生票特有属性，折扣
        /// </summary>
        private int discount;

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

        override public void CalcPrice()
        {
            this.Price = (int)(this.Price * (0.1 * this.Discount));
            Console.WriteLine(Price);
        }

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


        /// <summary>
        /// 实现打印接口
        /// </summary>
        #region IPrintable 成员

        override public void Print()
        {
            string fileName = this.ScheduleItem.Time + " " + this.Seat.SeatNum + "_" + DateTime.Now.TimeOfDay.Milliseconds + ".txt";
            FileStream fs = new FileStream(fileName, FileMode.Create);
            StreamWriter sw = new StreamWriter(fs);
            sw.WriteLine("****************************");
            sw.WriteLine("    青鸟影院（学生票）");
            sw.WriteLine("----------------------------");
            sw.WriteLine(" 电影名：     {0}", this.ScheduleItem.Movie.MovieName);
            sw.WriteLine(" 时间：       {0}", this.ScheduleItem.Time);
            sw.WriteLine(" 座位号：     {0}", this.Seat.SeatNum);
            sw.WriteLine(" 价格：       {0}", this.Price);
            sw.WriteLine(" 购票时间：   {0}年{1}月{2}日", DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day);
            sw.WriteLine("----------------------------");
            sw.Close();
            fs.Close();
        }

        #endregion
    }
}