using System;

    namespace FuncDemo

    {

        internal class Program

        {

            private static void Main()

            {

                //类似委托功能

                Func<InputArgs, Result> func = TsetFunction;

　　　　　　　　　　System.Diagnostics.Debug.WriteLine("第一种方式：");

　　　　　　　　　　System.Diagnostics.Debug.WriteLine(func(new InputArgs("zhangqs008", "123456")));
　　　　　　　　　　System.Diagnostics.Debug.WriteLine("=============================================");
　　　　　　　　　　System.Diagnostics.Debug.WriteLine("第二种方式：");

                CallMethod(func, new InputArgs("zhangqs008", "")); //或者

                CallMethod(TsetFunction, new InputArgs("zhangqs008", ""));

                Console.Read();

            }

            public static Result TsetFunction(InputArgs input)

            {

                Result result = new Result();

                result.Flag = String.Compare("zhangqs008", input.UserName, StringComparison.OrdinalIgnoreCase) ==  &

                    String.Compare("", input.Password, StringComparison.OrdinalIgnoreCase) == ;

                result.Msg = "当前调用者：" + input.UserName;

                return result;

            }

            public static void CallMethod<T>(Func<T, Result> func, T item)

            {

                Result result = func(item);

                System.Diagnostics.Debug.WriteLine(result.ToString());

            }

            /// <summary>

            /// 方法参数

            /// </summary>

            public class InputArgs

            {

                public InputArgs(string userName, string password)

                {

                    UserName = userName;

                    Password = password;

                }

                public string UserName { get; set; }

                public string Password { get; set; }

            }

            /// <summary>

            /// 方法结果

            /// </summary>

            public class Result

            {

                public string Msg { get; set; }

                public bool Flag { get; set; }

                public override string ToString()

                {

                    return string.Format("Flag:{0},Msg:{1}", Flag, Msg);

                }

            }

        }

    }