c#动态加载dll 

 1 using System;
 2 using System.Collections.Generic;
 3 using System.Text;
 4 using System.Reflection;
 5 using System.IO;
 6 
 7 namespace Alif.CommonAPI.DynamicLoadAssembly
 8 {
 9     public class AssemblyDynamicLoader<T>
10     {
11         private AppDomain appDomain;
12 
13         private DynamicRemoteLoadAssembly<T> remoteLoader;
14 
15         public T InvokeMethod(string assemblyName, string assemblyPath, string assemblyConfigFilePath, string fullClassName, string methodName, params object[] args)
16         {
17             AppDomainSetup setup = new AppDomainSetup();
18             setup.ApplicationName = "ApplicationLoader";
19             setup.ApplicationBase = AppDomain.CurrentDomain.BaseDirectory + @"bin\";
20             //setup.PrivateBinPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "private");
21             setup.CachePath = setup.ApplicationBase;
22             setup.ShadowCopyFiles = "true";
23             if (assemblyConfigFilePath != string.Empty)
24             {
25                 setup.ConfigurationFile = AppDomain.CurrentDomain.BaseDirectory + assemblyConfigFilePath;
26             }
27             setup.ShadowCopyDirectories = setup.ApplicationBase;
28             setup.LoaderOptimization = LoaderOptimization.SingleDomain;
29 
30             this.appDomain = AppDomain.CreateDomain("ApplicationLoaderDomain", null, setup);
31             String name = Assembly.GetExecutingAssembly().GetName().FullName;
32 
33             this.remoteLoader = (DynamicRemoteLoadAssembly<T>)this.appDomain.CreateInstanceAndUnwrap(name, typeof(DynamicRemoteLoadAssembly<T>).FullName);
34 
35             assemblyName = AppDomain.CurrentDomain.BaseDirectory + assemblyPath + assemblyName;
36 
37             return this.remoteLoader.InvokeMethod(assemblyName, fullClassName, methodName, args);
38         }
39 
40         /// <summary>
41         /// 
42         /// </summary>
43         public void Unload()
44         {
45             try
46             {
47                 AppDomain.Unload(this.appDomain);
48                 this.appDomain = null;
49             }
50             catch (CannotUnloadAppDomainException ex)
51             {
52 
53             }
54         }
55     }
56 }
  1 using System;
  2 using System.Collections.Generic;
  3 using System.Text;
  4 using System.Reflection;
  5 using System.Globalization;
  6 
  7 namespace Alif.CommonAPI.DynamicLoadAssembly
  8 {
  9     public class DynamicRemoteLoadAssembly<T> : MarshalByRefObject
 10     {
 11         private Assembly assembly = null;
 12 
 13         public T InvokeMethod(string assemblyPath, string fullClassName, string methodName, params object[] args)
 14         {
 15             this.assembly = null;
 16             T result = default(T);
 17             try
 18             {
 19                 this.assembly = Assembly.LoadFile(assemblyPath);
 20                 Type pgmType = null;
 21                 if (this.assembly != null)
 22                 {
 23                     pgmType = this.assembly.GetType(fullClassName, true, true);
 24                 }
 25                 else
 26                 {
 27                     pgmType = Type.GetType(fullClassName, true, true);
 28                 }
 29                 BindingFlags defaultBinding = BindingFlags.DeclaredOnly | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.IgnoreCase | BindingFlags.InvokeMethod | BindingFlags.Static;
 30                 CultureInfo cultureInfo = new CultureInfo("es-ES", false);
 31                 try
 32                 {
 33                     MethodInfo methisInfo = assembly.GetType(fullClassName, true, true).GetMethod(methodName);
 34 
 35                     if (methisInfo == null)
 36                     {
 37                         new Exception("EMethod　does　not　exist!");
 38                     }
 39 
 40                     if (methisInfo.IsStatic)
 41                     {
 42                         if (methisInfo.GetParameters().Length == 0)
 43                         {
 44                             if (methisInfo.ReturnType == typeof(void))
 45                             {
 46                                 pgmType.InvokeMember(methodName, defaultBinding, null, null, null, cultureInfo);
 47                             }
 48                             else
 49                             {
 50                                 result = (T)pgmType.InvokeMember(methodName, defaultBinding, null, null, null, cultureInfo);
 51                             }
 52                         }
 53                         else
 54                         {
 55                             if (methisInfo.ReturnType == typeof(void))
 56                             {
 57                                 pgmType.InvokeMember(methodName, defaultBinding, null, null, args, cultureInfo);
 58                             }
 59 
 60                             else
 61                             {
 62                                 result = (T)pgmType.InvokeMember(methodName, defaultBinding, null, null, args, cultureInfo);
 63                             }
 64                         }
 65                     }
 66                     else
 67                     {
 68 
 69                         if (methisInfo.GetParameters().Length == 0)
 70                         {
 71                             object pgmClass = Activator.CreateInstance(pgmType);
 72                             if (methisInfo.ReturnType == typeof(void))
 73                             {
 74                                 pgmType.InvokeMember(methodName, defaultBinding, null, pgmClass, null, cultureInfo);
 75                             }
 76                             else
 77                             {
 78                                 result = (T)pgmType.InvokeMember(methodName, defaultBinding, null, pgmClass, null, cultureInfo);
 79                             }
 80                         }
 81                         else
 82                         {
 83                             object pgmClass = Activator.CreateInstance(pgmType);
 84                             if (methisInfo.ReturnType == typeof(void))
 85                             {
 86                                 pgmType.InvokeMember(methodName, defaultBinding, null, pgmClass, args, cultureInfo);
 87                             }
 88                             else
 89                             {
 90                                 result = (T)pgmType.InvokeMember(methodName, defaultBinding, null, pgmClass, args, cultureInfo);
 91                             }
 92                         }
 93                     }
 94                 }
 95                 catch (Exception e)
 96                 {
 97                     result = (T)pgmType.InvokeMember(methodName, defaultBinding, null, null, null, cultureInfo);
 98                 }
 99                 return result;
100             }
101             catch (Exception ee)
102             {
103                 return result;
104             }
105         }
106     }
107 }

 

posted @ 2014-11-20 17:16  宇宙卡门  阅读(280)  评论(0)  编辑  收藏  举报