设计模式---建造者（Builder）模式，有关系图

1. using System;
2. using System.Collections.Generic;
3. using System.Text;
5. namespace ConsoleApplication1
6. {
7.     abstract class Builder
8.     {
9.         public abstract void SetPrice();
10.         public abstract void SetName();
11.     }
13.     class TVBuilder:Builder
14.     {
15.         private RawMateria rm;
16.         public TVBuilder()
17.         {
18.             rm = new RawMateria();
19.         }
20.     
21.         public override  void SetPrice()
22.         {
23.             rm.Price = "1500";
24.         }
26.         public override void SetName()
27.         {
28.             rm.Name = "TV";
29.         }
31.         public RawMateria GetTV()
32.         {
33.             return rm;
34.         }
35.     }
37.     class PCBuilder:Builder 
38.     {
39.         private RawMateria rm;
40.     
41.         public PCBuilder()
42.         {
43.             rm = new RawMateria();
44.         }
46.         public override void SetName()
47.         {
48.             rm.Name = "PC";
49.         }
51.         public override void SetPrice()
52.         {
53.             rm.Price = "2000";
54.         }
56.         public RawMateria GetPC()
57.         {
58.             return rm;
59.         }
60.     }
62.     class RawMateria
63.     {
64.         String _name;
65.         String _price;
66.         public String Name
67.         {
68.             get
69.             {
70.                 return _name;
71.             }
72.             set
73.             {
74.                 _name = value;
75.             }
76.         }
78.         public String Price
79.         {
80.             get
81.             {
82.                 return _price;
83.             }
84.             
85.             set
86.             {
87.                 _price = value;
88.             }
89.         }
91.         public void Show()
92.         {
93.             Console.WriteLine(this.Name +"    "+this.Price );
94.         }
95.     }
97.     class Director
98.     {
99.         private PCBuilder pcbuilder=new PCBuilder ();
100.         private TVBuilder tvbuilder=new TVBuilder ();
102.         public RawMateria GiveMeTV()
103.         {
104.             tvbuilder.SetName();
105.             tvbuilder.SetPrice();
106.             return tvbuilder.GetTV();
107.         }
109.         public RawMateria GiveMePC()
110.         {
111.             pcbuilder.SetName();
112.             pcbuilder.SetPrice();
113.             return pcbuilder.GetPC();
114.         }
115.     }
117.     class Client
118.     {
119.         public static  void Main()
120.         {
121.             Director d = new Director();
122.             d.GiveMePC().Show();
123.             d.GiveMeTV().Show();
124.             Console.Read();
125.         }
126.     }
127. }
128.