1//关于建造房屋的例子
  2using System;
  3using System.Collections;
  4
  5/**//// <summary>
  6/// 抽象建造者
  7/// </summary>
  8public interface IHouse
  9{
 10    bool GetBackyard();
 11    long NoOfRooms();
 12    string  Description();
 13}
 14
 15/**//// <summary>
 16/// 具体建造者
 17/// </summary>
 18public class CApt:IHouse
 19{
 20    private bool mblnBackyard;
 21    private Hashtable Rooms;
 22    public CApt()
 23    {
 24        CRoom room;
 25        Rooms = new Hashtable();
 26        room = new CRoom();
 27        room.RoomName = "Master Bedroom";
 28        Rooms.Add ("room1",room);
 29
 30        room = new CRoom();
 31        room.RoomName = "Second Bedroom";
 32        Rooms.Add ("room2",room);
 33
 34        room = new CRoom();
 35        room.RoomName = "Living Room";
 36        Rooms.Add ("room3",room);
 37
 38        mblnBackyard = false;
 39    }
 40
 41    public bool GetBackyard()
 42    {
 43        return mblnBackyard;
 44    }
 45    public long NoOfRooms()
 46    {
 47        return Rooms.Count;
 48    }
 49    public string  Description()
 50    {
 51        IDictionaryEnumerator myEnumerator  = Rooms.GetEnumerator();
 52        string strDescription;
 53        strDescription = "This is an Apartment with " + Rooms.Count + " Rooms \n";
 54        strDescription = strDescription + "This Apartment doesn't have a backyard \n";
 55        while (myEnumerator.MoveNext())
 56        {
 57            strDescription = strDescription + "\n" + myEnumerator.Key + "\t" + ((CRoom)myEnumerator.Value).RoomName;
 58        }
 59        return strDescription;
 60    }
 61}
 62
 63/**//// <summary>
 64/// 具体建造者
 65/// </summary>
 66public class CSFH:IHouse
 67{
 68    private bool mblnBackyard;
 69    private Hashtable Rooms;
 70    public CSFH()
 71    {
 72        CRoom room;
 73        Rooms = new Hashtable();
 74
 75        room = new CRoom();
 76        room.RoomName = "Master Bedroom";
 77        Rooms.Add ("room1",room);
 78
 79        room = new CRoom();
 80        room.RoomName = "Second Bedroom";
 81        Rooms.Add ("room2",room);
 82
 83        room = new CRoom();
 84        room.RoomName = "Third Room";
 85        Rooms.Add ("room3",room);
 86
 87        room = new CRoom();
 88        room.RoomName = "Living Room";
 89        Rooms.Add ("room4",room);
 90
 91        room = new CRoom();
 92        room.RoomName = "Guest Room";
 93        Rooms.Add ("room5",room);
 94
 95        mblnBackyard = true;
 96
 97    }
 98
 99    public bool GetBackyard()
100    {
101        return mblnBackyard;
102    }
103    public long NoOfRooms()
104    {
105        return Rooms.Count;
106    }
107    public string  Description()
108    {
109        IDictionaryEnumerator myEnumerator  = Rooms.GetEnumerator();
110        string strDescription;
111        strDescription = "This is an Single Family Home with " + Rooms.Count + " Rooms \n";
112        strDescription = strDescription + "This house has a backyard \n";
113        while (myEnumerator.MoveNext())
114        {
115            strDescription = strDescription + "\n" + myEnumerator.Key + "\t" + ((CRoom)myEnumerator.Value).RoomName;
116        }
117        return strDescription;
118    }
119}
120
121public interface IRoom
122{
123    string RoomName{get;set;}
124}
125
126public class CRoom:IRoom
127{
128    private string mstrRoomName;
129    public string RoomName
130    {
131        get
132        {
133            return mstrRoomName;
134        }
135        set
136        {
137            mstrRoomName = value;
138        }
139    }
140}
141
142/**//// <summary>
143/// 指导者
144/// </summary>
145public class CDirector
146{
147    public IHouse BuildHouse(bool blnBackyard)
148    {
149        if (blnBackyard)
150        {
151            return new CSFH();
152        }
153        else
154        {
155            return new CApt();
156        }
157    }
158}
159
160/**//// <summary>
161/// 客户程序
162/// </summary>
163public class Client
164{
165    static void Main(string[] args)
166    {
167        CDirector objDirector = new CDirector();
168        IHouse objHouse;
169
170        string Input = Console.ReadLine();
171        objHouse = objDirector.BuildHouse(bool.Parse(Input));
172
173        Console.WriteLine(objHouse.Description());
174        Console.ReadLine();
175    }
176}
177
178