ACCP 7.0 C#项目 汽车租赁系统

 //先 写出 1个 父类 2个子类 /// 
    /// 父类    /// 
    public abstract  class Vehicle    {        //颜色        public  string Color{get;set;}        //日租金        public  double DailyRent { get; set; }        //车牌号        public  string LicenseNO { get; set; }        //车名        public  string Name { get; set; }        //租车日期        public  int RentDate {get; set; }        //租车人        public  string RentUser { get; set; }        //使用时间        public  int YearsOFService { get; set; }        /// 计算价格的方法        public abstract double CalcPrice();        public Vehicle() { }        public Vehicle(string color, double dailyrent, string licenseno, string name, int rentdate, string rentuser, int yearsofservice)        {            this.Color = color;            this.DailyRent = dailyrent;            this.LicenseNO = licenseno;            this.Name = name;            this.RentDate = rentdate;            this.RentUser = rentuser;            this.YearsOFService = yearsofservice;        }    }

 //继承 为多态做准备 卡车类   class Truck : Vehicle    {        //载重        public int Load { get; set; }        public Truck() { }        public Truck(string color, double dailyrent, string licenseno, string name, int rentdate, string rentuser, int yearsofservice, int load)            : base(color, dailyrent, licenseno, name, rentdate, rentuser, yearsofservice)        {            this.Load = load;        }        /// 
        /// 卡车费用计算方法        /// 30天以内(含30)按日租金计算        /// 30天以上超出部分:每天，每吨（载重量）增加日租金10%        /// 
        public override double CalcPrice()        {            double totalPrice = 0;            double basicPrice = this.RentDate * this.DailyRent;            if (this.RentDate <= 30)            {                totalPrice = basicPrice;            }            else            {                //30天以上超出部分:每天，每吨（载重量）增加日租金10%                totalPrice = basicPrice + (this.RentDate - 30) * this.Load * this.DailyRent * 0.1;            }            return totalPrice;        }    }

 //继承 为多态做准备 轿车类class Car : Vehicle    {        public Car() { }        public Car(string color, double dailyrent, string licenseno, string name, int rentdate, string rentuser, int yearsofservice)            : base(color, dailyrent, licenseno, name, rentdate, rentuser, yearsofservice)        {        }        /// 
        /// 轿车的价格计算方法：        /// 30天以内(含30)按日租金计算        /// 30天以上超出部分:每天增加日租金10%        /// 
        public override double CalcPrice()        {            double totalPrice = 0;            double basicPrice = this.RentDate * this.DailyRent;            if (this.RentDate <= 30)            {                totalPrice = basicPrice;            }            else            {                totalPrice = basicPrice + (this.RentDate - 30) * this.DailyRent * 0.1;            }            return totalPrice;        }    }

   //先写 2个泛型集合 一个是可出租的 一个是 可以还的        Dictionary rentCar = new Dictionary();        Dictionary rentCarl = new Dictionary();

 private void Form1_Load(object sender, EventArgs e)        {            Car c1 = new Car()            {                LicenseNO="湘A888888",                Name="法拉利A5",                Color="白色",                DailyRent =5000,                YearsOFService =2            };             rentCar.Add(c1.LicenseNO, c1);            Car c2 = new Car()            {                LicenseNO = "湘A666666",                Name = "保时捷A5",                Color = "红色",                DailyRent = 4000,                YearsOFService = 2            };            rentCar.Add(c2.LicenseNO, c2);            Truck t1 = new Truck             {                LicenseNO = "湘B666666",                Name = "东风A5",                Color = "蓝色",                DailyRent = 2000,                YearsOFService = 2,                Load =120            };            rentCar.Add(t1.LicenseNO, t1);            Initlt(); //刷新 listView1  可以租的车            textBox7.Enabled = false; //这是 添加车辆 是 载重的txt控件        }

   //初始化 可出租的车辆 的信息 到listView        private void Initlt()        {            InitListView(listView1,rentCar);        }        //初始化 已经出租的车辆 的信息 到listView        private void Initlt2()        {            InitListView(listView2,rentCarl);        }        //初始化 信息 重用        private void InitListView(ListView lvt,Dictionarydic)         {          lvt.Items.Clear();            foreach (Vehicle item in dic.Values)            {                ListViewItem lv = new ListViewItem();                lv.Text = item.LicenseNO;                lv.SubItems.Add(item.Name);                lv.SubItems.Add(item.Color);                lv.SubItems.Add(item.YearsOFService.ToString());                lv.SubItems.Add(item.DailyRent.ToString());                //判断 是 轿车 还是卡车 是卡车 显示载重 ，轿车就显示 无                if (item is Truck)                    lv.SubItems.Add((item as Truck).Load.ToString());                else                    lv.SubItems.Add("无");                lvt.Items.Add(lv);            }        }

 //ListView1 控件 列宽自适应  租车        private void listView1_SizeChanged(object sender, EventArgs e)        {            int _Count = listView1.Columns.Count;            int _Width = listView1.Width;            foreach (ColumnHeader ch in listView1.Columns)            {                ch.Width = _Width / _Count;            }          }

   //  listView2   列宽 自适应  还车        private void listView2_SizeChanged(object sender, EventArgs e)        {            int _Count = listView2.Columns.Count;            int _Width = listView2.Width;            foreach (ColumnHeader ch in listView2.Columns)            {                ch.Width = _Width / _Count;            }        }

      //点击 租车按钮 时的事件   private void btuZC_Click(object sender, EventArgs e)        {   //租车人 txtbox 里 是否为空            if (textBox1.Text.Trim()=="")            {                MessageBox.Show("请输入租用者姓名");                textBox1.Focus();                return;            }        //是否 选中 listView1 的一行数据            if (listView1.SelectedItems.Count<=0)            {                MessageBox.Show("请选择你要租用的车");                return;            }            //获取 当前选中的 车的 车牌号            string lino = listView1.SelectedItems[0].Text;            //可以被还的车 集合 添加一辆车            rentCarl.Add(lino, rentCar[lino]);            rentCar[lino].RentUser = textBox1.Text.Trim();            //可被 租的车 集合删除一辆车            rentCar.Remove(lino);            MessageBox.Show("租车成功");            textBox1.Clear();   //清空 租车人信息            Initlt();            Initlt2();        }               //listView1 刷新 按钮        private void button3_Click(object sender, EventArgs e)        {            Initlt2();        }

     //还车  结算  private void button2_Click(object sender, EventArgs e)        {            if (textBox2.Text.Trim()=="")            {                MessageBox.Show("请输入租用的天数");                textBox2.Focus();                return;            }            if (listView2.SelectedItems.Count<=0)            {                MessageBox.Show("请选择你要结算的车辆");                return;            }            string lin = listView2.SelectedItems[0].Text;            rentCarl[lin].RentDate = int.Parse(this.textBox2.Text);            double tota = rentCarl[lin].CalcPrice();//CalcPrice 前面的抽象方法 计算价格            string msg = string.Format("您的总价是{0}。", tota.ToString());            MessageBox.Show(msg, "注意!", MessageBoxButtons.OK, MessageBoxIcon.Information);            //可以被租的车 集合 添加一辆车            rentCar.Add(lin, rentCarl[lin]);            //可以被还的车 集合 删除一辆车            rentCarl.Remove(lin);                  //刷新 listView 1,2             Initlt();            Initlt2();        }

                  //汽车 入库 单选键  选中 汽车是 载重 隐藏 选中 卡车 载重 出现private void radioButton1_CheckedChanged(object sender, EventArgs e)        {            if (radioButton1.Checked)            {                 textBox7.Enabled = false;             }            else            {                textBox7.Enabled = true;            }        }

     //汽车 入库 private void button4_Click(object sender, EventArgs e)        {            if (textBox3.Text.Trim() =="")            {                MessageBox.Show("请输入车牌号");                return;            }            if (textBox4.Text.Trim() == "")            {                MessageBox.Show("请输入车型");                return;            }            if (textBox5.Text.Trim() == "")            {                MessageBox.Show("请输入使用时间");                return;            }            if (textBox6.Text.Trim() == "")            {                MessageBox.Show("请输入每日租金");                return;            }            Vehicle vs = null;            if (radioButton1.Checked)            {                vs = new Car();            }            else            {                Truck t = new Truck();                t.Load = Convert.ToInt32(textBox7.Text.Trim());                vs = t;            }            vs.LicenseNO = textBox3.Text.Trim();            vs.Name = textBox4.Text.Trim();            vs.Color = comboBox2.Text.Trim();            vs.YearsOFService = Convert.ToInt32(textBox5.Text.Trim());            vs.DailyRent = Convert.ToDouble(textBox6.Text.Trim());            //向泛型集合 添加数据            rentCar.Add(vs.LicenseNO,vs);            MessageBox.Show("添加成功");            Initlt();//刷新 可租车的 列表             //清空 texbox  ComboBox 数据            foreach (Control item in textBox3.Controls)            {                if (item is TextBox )                {                    (item as TextBox).Clear();                }                else if(item is ComboBox)                {                    (item as ComboBox).SelectedIndex = -1;                }            }            }