汽车租赁系统

public abstract   class Vehicle
    {
     //无参数
     public Vehicle()
     {
       }
     //有参数
    
     public Vehicle(string Name, string LicenseNo, string Color, int YearsOfService, double DailyRent)
     {
         this.Name = Name;
         this.LicenseNo = LicenseNo;
         this.Color = Color;
         this.YearsOfService = YearsOfService;
         this.DailyRent = DailyRent;
     }
     //颜色
        public string  Color { get; set; }
     //每日的租金
        public double DailyRent { get; set; }
     //车牌号
        public string  LicenseNo { get; set; }
     //车名
        public string  Name { get; set; }
   //租用日期
        public int RentDate { get; set; }
     //租用者
        public string  RentUser { get; set; }
        //使用的时间
        public int YearsOfService { get; set; }
        //计算价格的方法
        public abstract double CalcPrice();
       
    }

 //小汽车
  public   class Car:Vehicle
    {
        public Car() { }
        public Car(string Name, string LicenseNo, string Color, int YearsOfService, double DailyRent)
            : base(Name, LicenseNo, Color, YearsOfService, DailyRent)
        {
        }
      //计算价格的
        public override double CalcPrice() 
        {
            double totalPrice = 0;
            double baseicPrice = this.RentDate*this.DailyRent;
            if (this.RentDate <= 30)
            {
                totalPrice = baseicPrice;
            }
            else
            {
                totalPrice = baseicPrice + (this.RentDate - 30) * this.DailyRent * 0.1;
            }
            return totalPrice;
        }

      
    }

   //大卡车
   public  class Truck:Vehicle
    {
        //载重量
       public Truck() { }
       public Truck(string Name, string LicenseNo, string Color, int YearsOfService, double DailyRent,int Load)
           :base(Name,LicenseNo,Color,YearsOfService,DailyRent)
       {
           this.Load = Load;
       }
       public int Load { get; set; }

       //计算价格的
       public override double CalcPrice()
       {
           double totalPrice = 0;
           double basicPrice = RentDate * DailyRent;
           if (RentDate <= 30)
           {
               totalPrice = basicPrice;
           }
           else
           {
               totalPrice = basicPrice + (RentDate - 30) * (DailyRent * 0.1) * Load;
           }
           return totalPrice;
       }
    }

public   class VehicleFactory
    {
      public static Vehicle ReadMagenner(string Name, string LicenseNo, string Color, int YearsOfService, double DailyRent, string Type, int Load) 
      {
          Vehicle vehicle = null;
          switch (Type)
          {
              case"Car":
                  vehicle = new Car( Name,LicenseNo,Color,YearsOfService,DailyRent);
                  break;
              case"Truck":
                  vehicle = new Truck(Name, LicenseNo, Color, YearsOfService, DailyRent, Load);
                  break;
          }
          return vehicle;
      }
    }

 public partial class FrmMain : Form
    {
        public FrmMain()
        {
            InitializeComponent();
        }
        //保存可租用车的集合（车辆名称，车辆对象）
        Dictionary<string, Vehicle> notRent = new Dictionary<string, Vehicle>();
        //保存已租用车辆的集合。
        Dictionary<string, Vehicle> alreadyRent = new Dictionary<string, Vehicle>();
        //构造出两辆小汽车、卡车在Lind事件中调用
        public void LoadData() 
        {

            Car Car = new Car("奥迪A8", "京R00544", "黑色", 3, 240);
            Truck truck = new Truck("东风", "京A9988770", "蓝色", 3, 300, 240);
            notRent.Add(truck.LicenseNo, truck);
            notRent.Add(Car.LicenseNo, Car);

           
            //出租出去的车
            Car rentCar = new Car("奥A001","东风","红色",3,200);
            rentCar.RentUser = tbPeople.Text;
            Truck rentTruck = new Truck("京B111","宝马","红色",3,200,300);
            alreadyRent.Add(rentCar.LicenseNo,rentCar);
            alreadyRent.Add(rentTruck.LicenseNo, rentTruck);

        }
        private void FrmMain_Load(object sender, EventArgs e)
        {
            //将数据加载到集合中
            LoadData();
            //默认我的大卡车载重不能用
            tbBigCar.Enabled = false;
        }

        private void btNew_Click(object sender, EventArgs e)
        {
            //刷新租车          控件的名字
            MyRefresh(notRent, ListCar);
        }
        //刷新租车的按钮调用的方法
        public void MyRefresh(Dictionary<string, Vehicle> rnotrent, ListView lvshow) 
        {
            //list（汽车）进行清空
            ListCar.Items.Clear();
            foreach (Vehicle item in rnotrent.Values)
            {
                //ListView  添加值
                ListViewItem lvitem = new ListViewItem(item.LicenseNo);
                if (item is Car)
                {
                    lvitem.SubItems.Add(item.Name);
                    lvitem.SubItems.Add(item.Color);
                    lvitem.SubItems.Add(item.YearsOfService.ToString());
                    lvitem.SubItems.Add(item.DailyRent.ToString());
                }
                if (item is Truck)
                {
                    lvitem.SubItems.Add(item.Name);
                    lvitem.SubItems.Add(item.Color);
                    lvitem.SubItems.Add(item.YearsOfService.ToString());
                    lvitem.SubItems.Add(item.DailyRent.ToString());
                    lvitem.SubItems.Add(((Truck)item).Load.ToString());
                }
                lvshow.Items.Add(lvitem);
            }

        }

        private void btCar_Click(object sender, EventArgs e)
        {
            //判断是否写租车人的名称
            if (tbPeople.Text=="")
            {
                MessageBox.Show("请输入租车人名称");
                return;
            }
            //从可租车辆集合中移除车辆A
            //将A添加到已租车辆集合中
            if (ListCar.SelectedItems.Count>0)
            {
                //??看看
                string number = ListCar.SelectedItems[0].SubItems[0].Text;
                Vehicle ve=notRent[number];
                notRent.Remove(number);
                MyRefresh(notRent,ListCar);
                alreadyRent.Add(number,ve);
                MessageBox.Show("租车成功");
            }
        }

        private void btreturnCar_Click(object sender, EventArgs e)
        {
            //用于保存已租的车辆     控件名
            MyRefresh(alreadyRent, listReturn);
        }

        private void btSelect_Click(object sender, EventArgs e)
        {
            //判断
            if (tbDay.Text=="")
            {
                MessageBox.Show("请输入租车时间");
                return;
            }
            //将车A从一组集合中移除
            //将车A加入到可租车辆中
            string number = listReturn.SelectedItems[0].SubItems[0].Text;
            Vehicle ve=alreadyRent[number];
            alreadyRent.Remove(number);
            MyRefresh(alreadyRent,listReturn);
            notRent.Add(number,ve);
            ve.RentDate = Convert.ToInt32(tbDay.Text);
            double money = 0;
            money = ve.CalcPrice();
            MessageBox.Show("您需要支付" + money + "元");
            
        }

        private void btPut_Click(object sender, EventArgs e)
        {
            string lincesNo = tbCarNum.Text;
            string name = tbType.Text;
            string color = cbClor.Text;
            int time = Convert.ToInt32(tbTime.Text);
            double dailyRent = Convert.ToInt32(tbDayMoney.Text);
            if (rbSmallCar.Checked)
            {
                Car car = new Car(lincesNo, name, color, time, dailyRent);
                notRent.Add(lincesNo,car);

            }
            if (rbBigCar.Checked)
            {
                 int load = Convert.ToInt32(tbBigCar.Text);
                Truck truck = new Truck(lincesNo, name, color, time, dailyRent, load);
                notRent.Add(lincesNo, truck);
            }
            MessageBox.Show("添加成功。。。。。。");
        }

        private void rbSmallCar_CheckedChanged(object sender, EventArgs e)
        {
            tbBigCar.Enabled = false;
        }

        private void rbBigCar_CheckedChanged(object sender, EventArgs e)
        {
            tbBigCar.Enabled = true;
        }

        private void btExit_Click(object sender, EventArgs e)
        {
            this.Close();
        }
    }