第十章，租车系统-白红宇

第十章，租车系统

阅读量：5346 次

发布时间：2019-06-15

本文共 9810 字，大约阅读时间需要 32 分钟。

using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Threading.Tasks;using System.Windows.Forms;namespace RentCar{    public partial class FrmRentCar : Form    {        public FrmRentCar()        {            InitializeComponent();            Init();        }        //保存可租用车的集合        Dictionary
      
        vehicles = new Dictionary
       
        ();        //保存租出车的集合        Dictionary
        
          rentvehicles = new Dictionary
         
          ();        //初始化车辆        public void Init()        {            //可租车辆            Car ao = new Car();            ao.Name = "奥迪A6";            ao.LicenseNo = "京R5655";            ao.Color = "黑色";            ao.YearOfService = 3;            ao.DailyRent = 240;            Car ao2 = new Car();            ao2.Name = "奥迪A8";            ao2.LicenseNo = "赣A2333";            ao2.Color = "黄色";            ao2.YearOfService = 3;            ao2.DailyRent = 250;            vehicles.Add(ao.LicenseNo, ao);            vehicles.Add(ao2.LicenseNo, ao2);            //要还车辆            Car fen = new Car();            fen.Name = "火箭狂雷";            fen.LicenseNo = "沪A2333";            fen.Color = "白色";            fen.YearOfService = 3;            fen.DailyRent = 250;            fen.RentUser = "++";            fen.RentDate = 6;            Car fen2 = new Car();            fen2.Name = "兰博基尼";            fen2.LicenseNo = "粤A2333";            fen2.Color = "金色";            fen2.YearOfService = 1;            fen2.DailyRent = 5000;            fen2.RentUser = "sha强";            fen2.RentDate = 2;            rentvehicles.Add(fen.LicenseNo, fen);            rentvehicles.Add(fen2.LicenseNo, fen2);        }        //绑定lvRCar数据源        public void BindLv()        {            lvRCar.Items.Clear();            foreach (var item in vehicles.Values)            {                ListViewItem lv = new ListViewItem(item.LicenseNo);                lv.SubItems.Add(item.Name);                lv.SubItems.Add(item.Color);                lv.SubItems.Add(item.YearOfService.ToString());                lv.SubItems.Add(item.DailyRent.ToString());                lvRCar.Items.Add(lv);            }                    }        //绑定lvRRar数据源        public void BindLvG()        {            lvGCar.Items.Clear();            foreach (var item in rentvehicles.Values)            {                ListViewItem lv = new ListViewItem(item.LicenseNo);                lv.SubItems.Add(item.Name);                lv.SubItems.Add(item.Color);                lv.SubItems.Add(item.YearOfService.ToString());                lv.SubItems.Add(item.DailyRent.ToString());                lvGCar.Items.Add(lv);            }        }        //单击刷新可租车辆        private void btnRefurbish_Click(object sender, EventArgs e)        {            BindLv();        }        //单击刷新已租出车辆        private void btnRefurbishs_Click(object sender, EventArgs e)        {            BindLvG();        }        private void btnRCar_Click(object sender, EventArgs e)        {            if (lvRCar.SelectedItems.Count == 0)            {                MessageBox.Show("请选择要租的车！");            }            else if (string.IsNullOrEmpty(txtRName.Text.Trim()))            {                MessageBox.Show("请输入租赁人姓名！");            }            else            {                string key = lvRCar.SelectedItems[0].Text;                vehicles[key].RentUser = this.txtRName.Text;                rentvehicles.Add(vehicles[key].LicenseNo,vehicles[key]);                if (vehicles.ContainsKey(key))                {                    vehicles.Remove(key);                }                MessageBox.Show("已租出！");                BindLv();                BindLvG();            }        }        private void btnExit_Click(object sender, EventArgs e)        {            Application.Exit();        }        private void btnChoice_Click(object sender, EventArgs e)        {            if (lvRCar.SelectedItems.Count < 0)            {                MessageBox.Show("请选择要还的车！");            }            else if (string.IsNullOrEmpty(txtRDay.Text.Trim()))            {                MessageBox.Show("请输入天数！");            }            else            {                string key = lvGCar.SelectedItems[0].Text;                rentvehicles[key].RentDate = int.Parse(this.txtRDay.Text);                //调用抽象方法                double totprice = rentvehicles[key].CalcPrice();                string msg = string.Format("您的总价是{0}", totprice.ToString());                MessageBox.Show(msg, "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);                //加入可租车辆集合                vehicles.Add(rentvehicles[key].LicenseNo, rentvehicles[key]);                //还车后从已租车辆集合中移除                if (rentvehicles.ContainsKey(key))                {                    rentvehicles.Remove(key);                }                BindLv();                BindLvG();            }        }        //选中卡车类型后，卡车载重可用        private void rbtnCamion_CheckedChanged(object sender, EventArgs e)        {            label11.Enabled = true;            txtZai.Enabled = true;        }        //选中轿车类型后，卡车载重不可用        private void rbtnSaloonCar_CheckedChanged(object sender, EventArgs e)        {            label11.Enabled = false;            txtZai.Enabled = false;        }        //添加车        public void Adds()        {            bool sa = true;            if (string.IsNullOrEmpty(txtCId.Text) || string.IsNullOrEmpty(this.txtColor.Text) || string.IsNullOrEmpty(this.txtCType.Text) || string.IsNullOrEmpty(this.txtDailyRent.Text) || string.IsNullOrEmpty(this.txtRentDay.Text))            {                MessageBox.Show("请完善车辆信息");                sa = false;            }            else            {                foreach (string item in vehicles.Keys)                {                    if (txtCId.Text.Trim().Equals(item))                    {                        MessageBox.Show("已有该车，入库失败！！");                        sa = false;                    }                }                foreach (string item in rentvehicles.Keys)                {                    if (txtCId.Text.Trim().Equals(item))                    {                        MessageBox.Show("已有该车，入库失败！！");                        sa = false;                    }                }                if (sa)                {                    vehicles.Add(txtCId.Text,new Car(txtCId.Text,txtRName.Text,txtColor.Text,int.Parse(txtRentDay.Text),double.Parse(txtDailyRent.Text)));                    MessageBox.Show("入库成功！！");                    BindLv();                    BindLvG();                }            }        }        private void btnRuKu_Click(object sender, EventArgs e)        {            Adds();        }    }}

主窗体

1 using System; 2 using System.Collections.Generic; 3 using System.Linq; 4 using System.Text; 5 using System.Threading.Tasks; 6  7 namespace RentCar 8 { 9     public class Car:Vehicle10     {11         public Car()12         {13         }14         public Car(string licenseNo, string name, string color, int yearOfService, double dailyRent)15             : base(licenseNo, name, color, yearOfService, dailyRent)16         {17 18         }19 20         public override double CalcPrice()21         {22             double pirce = 0;23             pirce = this.DailyRent * this.RentDate;24             return pirce;25         }26     }27 }

Car类

1 using System; 2 using System.Collections.Generic; 3 using System.Linq; 4 using System.Text; 5 using System.Threading.Tasks; 6  7 namespace RentCar 8 { 9     public class Truck:Vehicle10     {11         //载重12         public int Load { get; set; }13         public Truck():base()14         {15 16         }17         public Truck(string licenseNo, string name, string color, int yearOfService, double dailyRent, int load)18             : base(licenseNo, name, color, yearOfService, dailyRent)19         {20             this.Load = load;21         }22 23         public override double CalcPrice()24         {25             double pirce = 0;26             pirce = this.DailyRent * this.RentDate;27             return pirce;28         }29     }30 }

Truck类

1 using System; 2 using System.Collections.Generic; 3 using System.Linq; 4 using System.Text; 5 using System.Threading.Tasks; 6  7 namespace RentCar 8 { 9     public abstract class Vehicle10     {11         //颜色12         public string Color { get; set; }13         //日租金14         public double DailyRent { get; set; }15         //车牌号16         public string LicenseNo { get; set; }17         //名字18         public string Name { get; set; }19         //租用时间20         public int RentDate { get; set; }21         //租用者22         public string RentUser { get; set; }23         //最少租用时长24         public int YearOfService { get; set; }25 26         public Vehicle(string color, double dailyRent, string licenseNo, string name, int rentDate, string rentUser, int yearsOfService)27         {28             this.Color = color;29             this.DailyRent = dailyRent;30             this.LicenseNo = licenseNo;31             this.Name = name;32             this.RentDate = rentDate;33             this.RentUser = rentUser;34             this.YearOfService = yearsOfService;35         }36         public Vehicle(string licenseNo, string name, string color, int yearOfService, double dailyRent)37         {38             this.Color = color;39             this.DailyRent = dailyRent;40             this.LicenseNo = licenseNo;41             this.Name = name;42             this.YearOfService = yearOfService;43         }44         public Vehicle()45         {46         }47         //抽象方法，计算总金额48         public abstract double CalcPrice();49     }50 }

Vehicle类(父类)

转载于:https://www.cnblogs.com/lzx666/p/6706682.html

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