深入.NET平台和C#编程.租车系统-白红宇

深入.NET平台和C#编程.租车系统

阅读量：6930 次

发布时间：2019-06-27

本文共 12113 字，大约阅读时间需要 40 分钟。

-------------------------------------------------Vehicle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 Qichechuzxt 8 { 9     public abstract class Vehicle10     {11         //颜色12         public string Color { get; set; }13 14         //日租金15         public double DailyRent { get; set; }16 17         //车牌号18         public string LicenseNO { get; set; }19 20         //车名称21         public string Name { get; set; }22 23         //时间24         public int RentDate { get; set; }25 26         //使用人27         public string RentUser { get; set; }28 29         //使用年限30         public int YearsOfService { get; set; }31 32         //构造函数33         public Vehicle(string color, double dailyrent, string licenseNO, string name, int rentDate, string rentUser, int yearsOfService)34         {35             this.Color = color;36             this.DailyRent = dailyrent;37             this.LicenseNO = licenseNO;38             this.Name = name;39             this.RentDate = rentDate;40             this.RentUser = rentUser;41             this.YearsOfService = yearsOfService;42         }43 44         //方法重写45         public Vehicle() { }46 47         //执行48         public abstract double CalcPrice();49     }50 }

Vehicle

-------------------------------------------------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 Qichechuzxt 8 { 9     public class Truck : Vehicle10     {11         //载重12         public int Load { get; set; }13 14         //构造函数15         public Truck(string color, double dailyrent, string licenseNO, string name, int rentDate, string rentUser, int yearsOfService, int load)16             : base(color, dailyrent, licenseNO, name, rentDate, rentUser, yearsOfService)17         {18             this.Load = load;19         }20 21         //计算价格22         public override double CalcPrice()23         {24             double totalPrice = 0;25             totalPrice = this.DailyRent * this.RentDate;26             return totalPrice;27         }28     }29 }

Truck

-------------------------------------------------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 Qichechuzxt 8 { 9     public class Car : Vehicle10     {11         //构造函数12         public Car(string color, double dailyrent, string licenseNO, string name, int rentDate, string rentUser, int yearsOfService)13             : base(color, dailyrent, licenseNO, name, rentDate, rentUser, yearsOfService)14         {15 16         }17 18         //计算价格19         public override double CalcPrice()20         {21             double totalPrice = 0;22             totalPrice = this.DailyRent * this.RentDate;23             return totalPrice;24         }25     }26 }

Car

-------------------------------------------------formChuztx主窗体---------------------------------------

1 using System;  2 using System.Collections.Generic;  3 using System.ComponentModel;  4 using System.Data;  5 using System.Drawing;  6 using System.Linq;  7 using System.Text;  8 using System.Threading.Tasks;  9 using System.Windows.Forms; 10  11 namespace Qichechuzxt 12 { 13     public partial class formChuztx : Form 14     { 15         public formChuztx() 16         { 17             InitializeComponent(); 18         } 19         ///  20         /// 可租车的集合 21         /// 
 22         Dictionary
      
        dy = new Dictionary
       
        (); 23  24         /// 
         25         /// 已租车的集合 26         /// 
 27         Dictionary
        
          doy = new Dictionary
         
          (); 28  29         /// 
           30         /// 窗口加载 31         /// 
 32         /// 
           33         /// 
           34         private void formChuztx_Load(object sender, EventArgs e) 35         { 36             Init(); 37             cmbys.Text = "请选择"; 38             cmbys.Items.Add("白色"); 39             cmbys.Items.Add("黑色"); 40             cmbys.Items.Add("红色"); 41             cmbys.Items.Add("银白色"); 42         } 43  44         /// 
           45         /// 初始化租车 46         /// 
 47         public void Init() 48         { 49             Car c = new Car("白色", 600, "京A666666", "兰博基尼", 3, "ss", 20); 50             dy.Add(c.LicenseNO, c); 51  52             Car car = new Car("红色", 500, "湘A999999", "法拉利", 3, "ss", 10); 53             dy.Add(car.LicenseNO, car); 54  55             Truck t = new Truck("黑色", 300, "粤A333333", "东风", 3, "ss", 30,2000); 56             doy.Add(t.LicenseNO, t); 57  58             Truck tk = new Truck("蓝色", 300, "粤A888888", "东风", 3, "ss", 10, 1000); 59             doy.Add(tk.LicenseNO, tk); 60         } 61  62         /// 
           63         /// listView1绑定数据 64         /// 
 65         ///  66         public void show() 67         { 68             listView1.Items.Clear(); 69             foreach (var item in dy) 70             { 71                 ListViewItem lvi = new ListViewItem(item.Key); 72                 lvi.SubItems.Add(item.Value.Name); 73                 lvi.SubItems.Add(item.Value.Color); 74                 lvi.SubItems.Add(item.Value.RentDate.ToString()); 75                 lvi.SubItems.Add(item.Value.DailyRent.ToString()); 76  77                 if (item.Value is Truck) 78                 { 79                     lvi.SubItems.Add(((item.Value) as Truck).Load.ToString()); 80                 } 81                  else 82                 { 83                     lvi.SubItems.Add("无"); 84                 } 85                 listView1.Items.Add(lvi); 86             } 87         } 88  89         /// 
           90         /// listView2绑定数据 91         /// 
 92         ///  93         public void show2() 94         { 95             listView2.Items.Clear(); 96             foreach (var item in doy) 97             { 98                 ListViewItem lvi2 = new ListViewItem(item.Key); 99                 lvi2.SubItems.Add(item.Value.Name);100                 lvi2.SubItems.Add(item.Value.Color);101                 lvi2.SubItems.Add(item.Value.RentDate.ToString());102                 lvi2.SubItems.Add(item.Value.DailyRent.ToString());103 104                 if (item.Value is Truck)105                 {106                     lvi2.SubItems.Add(((item.Value) as Truck).Load.ToString());107                 }108                  else109                 {110                     lvi2.SubItems.Add("无");111                 }112                 listView2.Items.Add(lvi2);113             }114         }115 116         /// 
          117         /// 刷新118         /// 
119         /// 
          120         /// 
          121         private void button1_Click(object sender, EventArgs e)122         {123             show();124         }125 126         /// 
          127         /// 退出128         /// 
129         /// 
          130         /// 
          131         private void button3_Click(object sender, EventArgs e)132         {133             this.Close();134         }135 136         /// 
          137         /// 租车138         /// 
139         /// 
          140         /// 
          141         private void button2_Click(object sender, EventArgs e)142         {143             if (string.IsNullOrEmpty(txtName.Text.Trim()))144             {145                 MessageBox.Show("请填写租车姓名", "提示", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);146             }147             else 148             {149                 if (listView1.SelectedItems.Count < 0)150                 {151                     MessageBox.Show("请选择租车", "提示", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);152                 }153                 else154                 {155                     string key = listView1.SelectedItems[0].Text;156                     doy.Add(dy[key].LicenseNO, dy[key]);157                     if (dy.ContainsKey(key))158                     {159                         dy.Remove(key);160                         show();161                     }162                 }163             } 164         }165 166         /// 
          167         /// 刷新168         /// 
169         /// 
          170         /// 
          171         private void button5_Click(object sender, EventArgs e)172         {173             show2();174         }175 176         /// 
          177         /// 结算178         /// 
179         /// 
          180         /// 
          181         private void button4_Click(object sender, EventArgs e)182         {183             if (string.IsNullOrEmpty(txttshu.Text.Trim()))184             {185                 MessageBox.Show("请输入租车天数","提示",MessageBoxButtons.OK,MessageBoxIcon.Asterisk);  186             }187             else188             {189                 if (listView2.SelectedItems.Count < 0)190                 {191                     MessageBox.Show("请选择还车", "提示", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);192                 }193                 else194                 {195                     string key = listView2.SelectedItems[0].Text;196                     doy[key].RentDate = int.Parse(this.txttshu.Text);197                     double a = doy[key].DailyRent;198                     double totalPrice = doy[key].CalcPrice();199                     string msg = string.Format("您的总价是：" + totalPrice.ToString());200                     MessageBox.Show(msg, "提示！", MessageBoxButtons.OK, MessageBoxIcon.Information);201                     dy.Add(doy[key].LicenseNO, doy[key]);202                     if (doy.ContainsKey(key))203                     {204                         doy.Remove(key);205                         this.show2();206                     }  207                 }208             }209         }210 211         /// 
          212         /// 入库213         /// 
214         /// 
          215         /// 
          216         private void button6_Click(object sender, EventArgs e)217         {218             if (string.IsNullOrEmpty(txtchep.Text.Trim()) || string.IsNullOrEmpty(txtchex.Text.Trim())219                 || string.IsNullOrEmpty(cmbys.Text.Trim()) || string.IsNullOrEmpty(txtje.Text.Trim()) 220                 || string.IsNullOrEmpty(txtsj.Text.Trim()) )221             {222                 MessageBox.Show("请完善新车入库信息","提示",MessageBoxButtons.OK,MessageBoxIcon.Information);223             }224             else225             {226                 Vehicle vehicle = null;227                 if (radioButton1.Checked == true)228                 {229                     vehicle = new Car(cmbys.Text, int.Parse(txtje.Text), txtchep.Text, txtchex.Text, 0, "s", int.Parse(txtsj.Text));230                 }231                 else232                 {233                     vehicle = new Truck(cmbys.Text, int.Parse(txtje.Text), txtchep.Text, txtchex.Text, int.Parse(txtsj.Text), txtsj.Text,2,int.Parse(txtzz.Text));234                 }235                 try236                 {237                     dy.Add(vehicle.LicenseNO, vehicle);238                     MessageBox.Show("添加成功");239                 }240                 catch (Exception)241                 {242                     MessageBox.Show("车牌号重复");243                 }244             }245         }246 247         /// 
          248         /// 轿车249         /// 
250         /// 
          251         /// 
          252         private void radioButton1_CheckedChanged(object sender, EventArgs e)253         {254             txtzz.Enabled = false;255         }256 257         /// 
          258         /// 轿车259         /// 
260         /// 
          261         /// 
          262         private void radioButton2_CheckedChanged(object sender, EventArgs e)263         {264             txtzz.Enabled = true;265         }266     }267 }