/// <summary>

    /// 继承自MarshalByRefObject表示允许跨域通信

    /// </summary>

    public class RemoteLoader : MarshalByRefObject

    {

        private Assembly _assembly;

        public void LoadAssembly(string assemblyFile)

        {

            try

            {

                _assembly = Assembly.LoadFrom(assemblyFile);

                //return _assembly;

            }

            catch (Exception ex)

            {

                throw ex;

            }

        }

        public T GetInstance<T>(string typeName) where T : class

        {

            if (_assembly == null) return null;

            var type = _assembly.GetType(typeName);

            if (type == null) return null;

            return Activator.CreateInstance(type) as T;

        }

        public void ExecuteMothod(string typeName, string methodName)

        {

            if (_assembly == null) return;

            var type = _assembly.GetType(typeName);

            var obj = Activator.CreateInstance(type);

            Expression<Action> lambda = Expression.Lambda<Action>(Expression.Call(Expression.Constant(obj), type.GetMethod(methodName)), null);

            lambda.Compile()();

        }

    }