动态加载及调用程序集

static DbCmd()  {   AppDomain currentDomain = AppDomain.CurrentDomain;   currentDomain.AssemblyResolve += new ResolveEventHandler(MyResolveEventHandler);  }  static Assembly MyResolveEventHandler(object sender, ResolveEventArgs args)  {   string strFielName = args.Name.Split(',')[0];   if (strFielName.ToLower().EndsWith(".resources")) //不处理资源文件    return null;   ExtMethod.WriteLog("DbCmd 程序集获取失败,准备动态加载：" + args.Name);   string parentRoot = AppDomain.CurrentDomain.BaseDirectory;   string dllName = GetDllOrExeName(parentRoot, strFielName);   if (dllName == "")   {    parentRoot = System.IO.Path.GetDirectoryName(AppDomain.CurrentDomain.BaseDirectory.TrimEnd('\\'));    dllName = GetDllOrExeName(parentRoot, strFielName);   }   if (dllName != null)   {    ExtMethod.WriteLog("DbCmd 程序集开始加载文件:" + dllName);    return Assembly.LoadFile(dllName);   }   else   {    ExtMethod.WriteLog("DbCmd 程序集获取失败：找不到文件" + strFielName);   }   return null;  }  /// <summary>  /// 获取指定名称的dll路径  /// </summary>  /// <param name="_DirectoryName">目录路径</param>  /// <param name="_assemablName">程序集名称</param>  /// <returns>返回路径名称</returns>  static string GetDllOrExeName(string _DirectoryName, string _assemablName)  {   string filter = _assemablName + ".???";   var subFiles = System.IO.Directory.GetFiles(_DirectoryName, filter, System.IO.SearchOption.AllDirectories);   string dllName = "";   foreach (var item in subFiles) //搜索下级目录   {    if (item.EndsWith(".dll", StringComparison.OrdinalIgnoreCase))    {     dllName = item;     break;    }    if (item.EndsWith(".exe", StringComparison.OrdinalIgnoreCase))    {     dllName = item;     break;    }   }   return dllName;  }

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staticDbCmd(){AppDomaincurrentDomain=AppDomain.CurrentDomain;currentDomain.AssemblyResolve+=newResolveEventHandler(MyResolveEventHandler);}staticAssemblyMyResolveEventHandler(objectsender,ResolveEvent
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