汽车租下系统

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();        }    }