深入.NET平台和C#编程.租车系统

 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 Vehicle
10     {
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 }

 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 : Vehicle
10     {
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 }

 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 : Vehicle
10     {
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 }

  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         /// <summary>
 20         /// 可租车的集合
 21         /// </summary>
 22         Dictionary<string , Vehicle> dy = new Dictionary<string,Vehicle>();
 23 
 24         /// <summary>
 25         /// 已租车的集合
 26         /// </summary>
 27         Dictionary<string , Vehicle> doy = new Dictionary<string,Vehicle>();
 28 
 29         /// <summary>
 30         /// 窗口加载
 31         /// </summary>
 32         /// <param name="sender"></param>
 33         /// <param name="e"></param>
 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         /// <summary>
 45         /// 初始化租车
 46         /// </summary>
 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         /// <summary>
 63         /// listView1绑定数据
 64         /// </summary>
 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         /// <summary>
 90         /// listView2绑定数据
 91         /// </summary>
 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                  else
109                 {
110                     lvi2.SubItems.Add("无");
111                 }
112                 listView2.Items.Add(lvi2);
113             }
114         }
115 
116         /// <summary>
117         /// 刷新
118         /// </summary>
119         /// <param name="sender"></param>
120         /// <param name="e"></param>
121         private void button1_Click(object sender, EventArgs e)
122         {
123             show();
124         }
125 
126         /// <summary>
127         /// 退出
128         /// </summary>
129         /// <param name="sender"></param>
130         /// <param name="e"></param>
131         private void button3_Click(object sender, EventArgs e)
132         {
133             this.Close();
134         }
135 
136         /// <summary>
137         /// 租车
138         /// </summary>
139         /// <param name="sender"></param>
140         /// <param name="e"></param>
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                 else
154                 {
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         /// <summary>
167         /// 刷新
168         /// </summary>
169         /// <param name="sender"></param>
170         /// <param name="e"></param>
171         private void button5_Click(object sender, EventArgs e)
172         {
173             show2();
174         }
175 
176         /// <summary>
177         /// 结算
178         /// </summary>
179         /// <param name="sender"></param>
180         /// <param name="e"></param>
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             else
188             {
189                 if (listView2.SelectedItems.Count < 0)
190                 {
191                     MessageBox.Show("请选择还车", "提示", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
192                 }
193                 else
194                 {
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         /// <summary>
212         /// 入库
213         /// </summary>
214         /// <param name="sender"></param>
215         /// <param name="e"></param>
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             else
225             {
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                 else
232                 {
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                 try
236                 {
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         /// <summary>
248         /// 轿车
249         /// </summary>
250         /// <param name="sender"></param>
251         /// <param name="e"></param>
252         private void radioButton1_CheckedChanged(object sender, EventArgs e)
253         {
254             txtzz.Enabled = false;
255         }
256 
257         /// <summary>
258         /// 轿车
259         /// </summary>
260         /// <param name="sender"></param>
261         /// <param name="e"></param>
262         private void radioButton2_CheckedChanged(object sender, EventArgs e)
263         {
264             txtzz.Enabled = true;
265         }
266     }
267 }