(深入.Net平台和C#编程)第十章.课程总复习.20170413
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==============================================实体==============================================
---------------------------------------车辆类（父类）---------------------------------------
1
using
System;
2
using
System.Collections.Generic;
3
using
System.Linq;
4
using
System.Text;
5
using
System.Threading.Tasks;
6
7
namespace
Car.entity
8
{
9
///
<summary>
10
///
车辆类
11
///
</summary>
12
public
abstract
class
Vehicle
13
{
14
///
<summary>
15
///
颜色
16
///
</summary>
17
public
string Color { get; set; }
18///<summary>19/// 日租金
20///</summary>21publicdouble DailyRent { get; set; }
22///<summary>23/// 车牌号
24///</summary>25publicstring LicenseNo { get; set; }
26///<summary>27/// 车名
28///</summary>29publicstring Name { get; set; }
30///<summary>31/// 租用天数
32///</summary>33publicint RentDate { get; set; }
34///<summary>35/// 租用人
36///</summary>37publicstring RentUser { get; set; }
38///<summary>39/// 使用时间
40///</summary>41publicint YearsOfService { get; set; }
4243///<summary>44/// 计算总价抽象方法
45///</summary>46///<returns></returns>47publicabstractstring Money();
4849 }
50 }
---------------------------------------卡车类（子类）---------------------------------------
1
using
System;
2
using
System.Collections.Generic;
3
using
System.Linq;
4
using
System.Text;
5
using
System.Threading.Tasks;
6
7
namespace
Car.entity
8
{
9
///
<summary>
10
///
卡车
11
///
</summary>
12
public
class
Truck:Vehicle
13
{
14
///
<summary>
15
///
载重
16
///
</summary>
17
public
int Load { get; set; }
1819///<summary>20/// 计算租车总价 (租车时间*该车日租金)
21///</summary>22///<returns></returns>23publicoverridestring Money()
24 {
25string money = (base.RentDate * base.DailyRent).ToString();
26return money;
27 }
28 }
29 }
---------------------------------------轿车类（子类）---------------------------------------
1
using
System;
2
using
System.Collections.Generic;
3
using
System.Linq;
4
using
System.Text;
5
using
System.Threading.Tasks;
6
7
namespace
Car.entity
8
{
9
///
<summary>
10
///
轿车
11
///
</summary>
12
public
class
JCar:Vehicle
13
{
14
15
///
<summary>
16
///
计算租车总价 (租车时间*该车日租金)
17
///
</summary>
18
///
<returns></returns>
19
public
override
string
Money()
20
{
21
string money = (base.RentDate * base.DailyRent).ToString();
22return money;
23 }
24 }
25 }
==============================================窗体==============================================
------------------------------------------------------------------------------
1
using
Car.entity;
2
using
System;
3
using
System.Collections.Generic;
4
using
System.ComponentModel;
5
using
System.Data;
6
using
System.Drawing;
7
using
System.Linq;
8
using
System.Text;
9
using
System.Threading.Tasks;
10
using
System.Windows.Forms;
11
12
namespace
Car
13
{
14
public
partial
class
frmZuCheSystem : Form
15
{
16
public
frmZuCheSystem()
17
{
18
InitializeComponent();
19
}
20
21
///
<summary>
22
///
可租车集合
23
///
</summary>
24 Dictionary<string, Vehicle> KeZuChe = new Dictionary<string,Vehicle>();
25 26///<summary> 27/// 已经租了的车集合
28///</summary> 29 Dictionary<string, Vehicle> YiZuChe = new Dictionary<string, Vehicle>();
30 31 32///<summary> 33/// 加载事件
34///</summary> 35///<param name="sender"></param> 36///<param name="e"></param> 37privatevoid ZuCheSystem_Load(object sender, EventArgs e)
38 {
39 Init();
40 BangKeZuChe();
41 }
42 43///<summary> 44/// 初始化可租车列表
45///</summary> 46publicvoid Init()
47 {
48 Vehicle vehicle = new JCar();
49 vehicle.Color = "黑色";
50 vehicle.DailyRent = 200;
51 vehicle.LicenseNo = "粤A12345";
52 vehicle.Name = "奥迪";
53 vehicle.YearsOfService = 2;
54 55 Vehicle vehicle1 = new JCar();
56 vehicle1.Color = "银色";
57 vehicle1.DailyRent = 200;
58 vehicle1.LicenseNo = "粤B22222";
59 vehicle1.Name = "宝马";
60 vehicle1.YearsOfService = 2;
61 62 Vehicle vehicle2 = new Truck();
63 vehicle2.Color = "蓝色";
64 vehicle2.DailyRent = 200;
65 vehicle2.LicenseNo = "粤C33333";
66 vehicle2.Name = "东风";
67 ((Truck)vehicle2).Load = 20;
68 vehicle2.YearsOfService = 2;
69 70 KeZuChe.Add(vehicle.LicenseNo, vehicle);
71 KeZuChe.Add(vehicle1.LicenseNo, vehicle1);
72 KeZuChe.Add(vehicle2.LicenseNo, vehicle2);
73 }
74 75///<summary> 76/// 绑定可租车ListView数据
77///</summary> 78publicvoid BangKeZuChe()
79 {
80//清空ListView 81 lvKeZu.Items.Clear();
82//遍历可租车集合 添加到 ListView 83foreach (var item in KeZuChe)
84 {
85 ListViewItem lvi = new ListViewItem(item.Key);
86 lvi.SubItems.Add(item.Value.Name);
87 lvi.SubItems.Add(item.Value.Color);
88 lvi.SubItems.Add(item.Value.YearsOfService.ToString());
89 lvi.SubItems.Add(item.Value.DailyRent.ToString());
90if (item.Value is Truck)
91 {
92 lvi.SubItems.Add((item.Value as Truck).Load.ToString());
93 }
94else 95 {
96 lvi.SubItems.Add("无");
97 }
98 lvKeZu.Items.Add(lvi);
99 }
100101 }
102103///<summary>104/// 单击租车
105///</summary>106///<param name="sender"></param>107///<param name="e"></param>108privatevoid btnZu_Click(object sender, EventArgs e)
109 {
110//判断111if (lvKeZu.SelectedItems.Count > 0)
112 {
113if (!string.IsNullOrEmpty(txtName.Text.Trim()))
114 {
115//获取选中行的车牌号116string chePaiHao = lvKeZu.SelectedItems[0].SubItems[0].Text.ToString();
117 Vehicle vehicle = null;
118//判断选中的是哪种车119if (KeZuChe[chePaiHao] is JCar)
120 {
121 vehicle = new JCar();
122 vehicle = KeZuChe[chePaiHao];
123 }
124if (KeZuChe[chePaiHao] is Truck)
125 {
126 vehicle = new Truck();
127 vehicle = KeZuChe[chePaiHao];
128//如果选的是卡车就加一个重量属性129 ((Truck)vehicle).Load = ((Truck)KeZuChe[chePaiHao]).Load;
130 }
131132 vehicle.RentUser = txtName.Text;
133//添加指定车辆 到已租车集合134 YiZuChe.Add(vehicle.LicenseNo, vehicle);
135//删除指定车辆 的可租车集合136 KeZuChe.Remove(chePaiHao);
137 MessageBox.Show("客户 " + vehicle.RentUser + " 租车成功！");
138 }
139else140 {
141 MessageBox.Show("请填写租用者", "提示！", MessageBoxButtons.OK, MessageBoxIcon.Information);
142 }
143 }
144else145 {
146 MessageBox.Show("请选择车辆","提示！",MessageBoxButtons.OK,MessageBoxIcon.Information);
147 }
148 }
149150///<summary>151/// 单击刷新重新绑定 可租车列表
152///</summary>153///<param name="sender"></param>154///<param name="e"></param>155privatevoid btnShuaXinKeZu_Click(object sender, EventArgs e)
156 {
157 BangKeZuChe();
158 }
159160///<summary>161/// 单击退出
162///</summary>163///<param name="sender"></param>164///<param name="e"></param>165privatevoid btnExit_Click(object sender, EventArgs e)
166 {
167 Application.Exit();
168 }
169170///<summary>171/// 刷新已租车列表 （结算界面）
172///</summary>173///<param name="sender"></param>174///<param name="e"></param>175privatevoid btnShuaXin_Click(object sender, EventArgs e)
176 {
177 BangYiZuCheList();
178 }
179180///<summary>181/// 绑定已租车列表 lvJieSuan
182///</summary>183publicvoid BangYiZuCheList()
184 {
185//清空ListView186 lvJieSuan.Items.Clear();
187//遍历已租车集合 添加到 ListView188foreach (var item in YiZuChe)
189 {
190 ListViewItem lvi = new ListViewItem(item.Key);
191 lvi.SubItems.Add(item.Value.Name);
192 lvi.SubItems.Add(item.Value.Color);
193 lvi.SubItems.Add(item.Value.YearsOfService.ToString());
194 lvi.SubItems.Add(item.Value.DailyRent.ToString());
195if (item.Value is Truck)
196 {
197 lvi.SubItems.Add((item.Value as Truck).Load.ToString());
198 }
199 lvJieSuan.Items.Add(lvi);
200 }
201 }
202203///<summary>204/// 更改tabControl1选项时
205///</summary>206///<param name="sender"></param>207///<param name="e"></param>208privatevoid tabControl1_SelectedIndexChanged(object sender, EventArgs e)
209 {
210//当选中还车时绑定已租车列表 lvJieSuan211if (tabControl1.SelectedIndex == 1)
212 {
213 BangYiZuCheList();
214 }
215 }
216217///<summary>218/// 当选中发生改变
219///</summary>220///<param name="sender"></param>221///<param name="e"></param>222privatevoid rbtnKa_CheckedChanged(object sender, EventArgs e)
223 {
224 txtLoad.Enabled = true;
225 }
226227///<summary>228/// 当选中发生改变
229///</summary>230///<param name="sender"></param>231///<param name="e"></param>232privatevoid rbtnJiao_CheckedChanged(object sender, EventArgs e)
233 {
234 txtLoad.Enabled = false;
235 }
236237///<summary>238/// 单击入库
239///</summary>240///<param name="sender"></param>241///<param name="e"></param>242privatevoid btnRuKu_Click(object sender, EventArgs e)
243 {
244// 判断输入信息是否为空245if (FeiKong())
246 {
247 Vehicle vehicle = null;
248//判断添加车型是哪种249if (rbtnJiao.Checked == true)
250 {
251 vehicle = new JCar();
252 }
253else254 {
255 vehicle = new Truck();
256 (vehicle as Truck).Load = int.Parse(txtLoad.Text);
257 }
258 vehicle.Color = cmbColor.Text;
259 vehicle.DailyRent = double.Parse(txtDailyRent.Text);
260 vehicle.LicenseNo = txtLicenseNo.Text;
261 vehicle.Name = txtVehicleName.Text;
262 vehicle.YearsOfService = int.Parse(txtYearsOfService.Text);
263264try265 {
266//当vehicle.LicenseNo（Keys）车牌号重复时，报出异常267 KeZuChe.Add(vehicle.LicenseNo, vehicle);
268 MessageBox.Show("添加成功");
269 }
270catch (Exception)
271 {
272 MessageBox.Show("已有该车牌号");
273 }
274 }
275else276 {
277 MessageBox.Show("信息不能为空！");
278 }
279 }
280281///<summary>282/// 判断是否为空
283///</summary>284///<returns></returns>285publicbool FeiKong()
286 {
287bool isK = false;
288if (string.IsNullOrEmpty(txtLicenseNo.Text.Trim()))
289 {
290 }
291elseif (string.IsNullOrEmpty(txtVehicleName.Text.Trim()))
292 {
293 }
294elseif (string.IsNullOrEmpty(cmbColor.Text.Trim()))
295 {
296 }
297elseif (string.IsNullOrEmpty(txtYearsOfService.Text.Trim()))
298 {
299 }
300elseif (string.IsNullOrEmpty(txtDailyRent.Text.Trim()))
301 {
302 }
303else304 {
305 isK = true;
306 }
307return isK;
308 }
309310311///<summary>312/// 单击结算
313///</summary>314///<param name="sender"></param>315///<param name="e"></param>316privatevoid btnJie_Click(object sender, EventArgs e)
317 {
318//判断319if (lvJieSuan.SelectedItems.Count > 0)
320 {
321if (!string.IsNullOrEmpty(txtDay.Text.Trim()))
322 {
323//找到选中还车是哪一辆324string key = lvJieSuan.SelectedItems[0].Text;
325//按照输入的租车天数给该车属性赋值326 YiZuChe[key].RentDate = int.Parse(txtDay.Text);
327//调用该车的计算总价方法 并输出总价328 MessageBox.Show("还车成功，总价为：" + YiZuChe[key].Money());
329//还车成功后， 在可租车集合中添加该车330 KeZuChe.Add(YiZuChe[key].LicenseNo,YiZuChe[key]);
331//还车成功后， 在已租车集合中删除该车332 YiZuChe.Remove(key);
333 }
334else335 {
336 MessageBox.Show("请输入租车天数！");
337 }
338 }
339else340 {
341 MessageBox.Show("请选中一辆车！");
342 }
343 }
344 }
345 }
原文：http://www.cnblogs.com/1-2-3-4/p/6705418.html
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