泛型

最新推荐文章于 2024-11-18 17:25:23 发布

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最新推荐文章于 2024-11-18 17:25:23 发布

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CC 4.0 BY-SA版权

原文链接：http://www.cnblogs.com/bhfdz/p/8952707.html

本文通过几个具体的示例介绍了C#中泛型及其不同约束的应用方式，包括使用泛型方法处理不同类型的数据，并展示了如何根据不同约束展示不同类型的信息。

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泛型约束小计：

 1 class Program
 2     {
 3         static void Main(string[] args)
 4         {
 5             {
 6                 var generice = new GenericClass();
 7            
 8                 generice.ShowInt(11);
 9                 generice.ShowDateTime(DateTime.Now);
10                 generice.ShowPeople(new People {Id = 11, Name = "Tom"});
11             }
12 
13             {
14                 Console.WriteLine("---------------------------------------");
15                 var generice = new GenericClass2();
16                 generice.ShowObj(11);
17                 generice.ShowObj(DateTime.Now);
18                 generice.ShowObj(new People {Id = 11, Name = "Tom"});
19             }
20 
21             {
22                 Console.WriteLine("---------------------------------------");
23                 var generice = new GenericClass3();
24                 generice.ShowT<int>(11);
25                 generice.ShowT<DateTime>(DateTime.Now);
26                 generice.ShowT<People>(new People { Id = 11, Name = "Tom" });
27             }
28 
29             Console.ReadKey();
30         }
31     }
32     public class GenericClass3
33     {
34         public void ShowT<T>(T t)
35         {
36             Console.WriteLine("ShowT print {0},ShowT Parament Type Is {1}", t, t.GetType());
37         }
38     }
39 
40     public class GenericClass2
41     {
42         public void ShowObj(object obj)
43         {
44             Console.WriteLine("ShowObj print {0},ShowObj Parament Type Is {1}", obj, obj.GetType());
45         }
46     }
47 
48     public class GenericClass
49     {
50         public void ShowInt(int n)
51         {
52             Console.WriteLine("ShowInt print {0},ShowInt Parament Type Is {1}", n, n.GetType());
53         }
54         public void ShowDateTime(DateTime dt)
55         {
56             Console.WriteLine("ShowDateTime print {0},ShowDateTime Parament Type Is {1}", dt, dt.GetType());
57         }
58         public void ShowPeople(People people)
59         {
60             Console.WriteLine("ShowPeople print {0},ShowPeople Parament Type Is {1}", people, people.GetType());
61         }
62     }
63 
64     public class People
65     {
66         public int Id { get; internal set; }
67         public string Name { get; internal set; }
68     }