C# 获取DLL中需要的接口类

 1 using System;
 2 using System.Collections.Generic;
 3 using System.IO;
 4 using System.Linq;
 5 using System.Reflection;
 6 
 7 namespace InterfaceClassLoader
 8 {
 9     public class Loader
10     {
11 
12         private List<IMyInterface> myInstanceList;
13         private void Initialize()
14         {
15 
16             try
17             {
18                 var type= typeof(IMyInterface);
19                 myInstanceList= GetAllAssemblies().
20                     SelectMany(a => a.GetTypes()).
21                     Where(t => !t.IsInterface && type.IsAssignableFrom(t)).
22                     Select(t => (IMyInterface)Activator.CreateInstance(t)).ToList();
23             }
24             catch (Exception ex)
25             {}
26         }
27 
28 
29         private List<Assembly> GetAllAssemblies()
30         {
31             var folderPath = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
32             var allAssemblies = new List<Assembly>();
33             Directory.GetFiles(folderPath,"*.dll").ToList().ForEach(f => 
34             {
35                 allAssemblies.Add(Assembly.LoadFile(f));
36             });
37 
38 
39             var filteredAssembly = allAssemblies.FindAll(a => a.FullName.Contains("MyMark"));
40             return filteredAssembly;
41         }
42 
43     }      
44 
45 }