设计模式之Facade---外观模式

 1 /*
 2  * Created by SharpDevelop.
 3  * User: home
 4  * Date: 2013/4/24
 5  * Time: 22:18
 6  * 
 7  * To change this template use Tools | Options | Coding | Edit Standard Headers.
 8  */
 9 using System;
10 
11 namespace Facade
12 {
13     class Stock
14     {
15         public void Sell()
16         {
17             Console.WriteLine("股票卖出");
18         }
19         public void Buy()
20         {
21             Console.WriteLine("投票买入");
22         }
23     }
24     
25     class NationDebt
26     {
27         public void Sell()
28         {
29             Console.WriteLine("国债卖出");
30         }
31         public void Buy()
32         {
33             Console.WriteLine("国债买入");
34         }
35     }
36     
37     class Realty
38     {
39         public void Sell()
40         {
41             Console.WriteLine("地产卖出");
42         }
43         public void Buy()
44         {
45             Console.WriteLine("地产买入");
46         }
47     }
48     
49     class Fund
50     {
51         Stock st;
52         NationDebt nd;
53         Realty re;
54         
55         public Fund()
56         {
57             st = new Stock();
58             nd = new NationDebt();
59             re = new Realty();
60         }
61         public void BuyFund()
62         {
63             st.Buy();
64             nd.Buy();
65             re.Buy();
66         }
67         public void SellFund()
68         {
69             st.Sell();
70             nd.Sell();
71             re.Sell();
72         }
73     }
74     
75     class Program
76     {
77         public static void Main(string[] args)
78         {
79             Fund jijin = new Fund();
80             jijin.BuyFund();
81             Console.WriteLine("========");
82             jijin.SellFund();
83             
84             Console.ReadKey(true);
85         }
86     }
87 }