抽象工厂方法 

 1 interface IUser
 2     {
 3         void Insert(User user);
 4         User GetUser(int id);
 5     }
 6 
 7     class User
 8     {
 9         private int _id;
10         private string _name;
11 
12         public int ID
13         {
14             get { return _id; }
15             set { _id = value; }
16         }
17 
18         public string Name
19         {
20             get { return _name; }
21             set { _name = value; }
22         }
23     }
24 
25     class SqlServerUser : IUser
26     {
27         public void Insert(User user)
28         {
29             Console.WriteLine("在SQL Server中给User表增加一条记录");
30         }
31 
32         public User GetUser(int id)
33         {
34             Console.WriteLine("在SQL Server中更加ID得到User表一条记录");
35             return null;
36         }
37     }
38 
39     class AccessUser : IUser
40     {
41         public void Insert(User user)
42         {
43             Console.WriteLine("在Access中给User表添加一条记录");
44         }
45 
46         public User GetUser(int id)
47         {
48             Console.WriteLine("在Access中根据ID得到User表一条记录");
49             return null;
50         }
51     }
View Code
 1 interface IDepartment
 2     {
 3         void Insert(Department department);
 4         Department GetDepartment(int id);
 5     }
 6 
 7     class Department
 8     {
 9         private int _id;
10         private string _name;
11 
12         public int ID
13         {
14             get { return _id; }
15             set { _id = value; }
16         }
17 
18         public string Name
19         {
20             get { return _name; }
21             set { _name = value; }
22         }
23     }
24 
25     class SqlServerDepartment : IDepartment
26     {
27         public void Insert(Department department)
28         {
29             Console.WriteLine("在SQL Server中给Department表添加一条记录");
30         }
31 
32         public Department GetDepartment(int id)
33         {
34             Console.WriteLine("在SQL Server中根据ID得到Department表一条记录");
35 
36             return null;
37         }
38     }
39 
40     class AccessDepartment : IDepartment
41     {
42         public void Insert(Department department)
43         {
44             Console.WriteLine("在Access中给Department表增加一条记录");
45         }
46 
47         public Department GetDepartment(int id)
48         {
49             Console.WriteLine("在Access中根据ID得到Department表一条记录");
50 
51             return null;
52         }
53     }
View Code
 1 interface IFactory
 2     {
 3         IUser CreateUser();
 4         IDepartment CreateDepartment();
 5     }
 6 
 7     class SqlServerFactory : IFactory
 8     {
 9         public IUser CreateUser()
10         {
11             return new SqlServerUser();
12         }
13 
14         public IDepartment CreateDepartment()
15         {
16             return new SqlServerDepartment();
17         }
18     }
19 
20     class AccessFactory : IFactory
21     {
22         public IUser CreateUser()
23         {
24             return new AccessUser();
25         }
26 
27         public IDepartment CreateDepartment()
28         {
29             return new AccessDepartment();
30         }
31     }
View Code

 转自《大话设计模式》

posted @ 2017-03-16 13:47  yixiu868  阅读(128)  评论(0)  编辑  收藏  举报