using System;    namespace FuncDemo    {        internal class Program        {            private static void Main()            {                //类似委托功能                  Func<InputArgs, Result> func = TsetFunction;                Console.WriteLine("第一种方式：");                Console.WriteLine(func(new InputArgs("zhangqs008", "123456")));                Console.WriteLine("=============================================");                Console.WriteLine("第二种方式：");                CallMethod(func, new InputArgs("zhangqs008", "1234567")); //或者                   CallMethod(TsetFunction, new InputArgs("zhangqs008", "1234567"));                Console.Read();            }            public static Result TsetFunction(InputArgs input)            {                Result result = new Result();                result.Flag = String.Compare("zhangqs008", input.UserName, StringComparison.OrdinalIgnoreCase) == 0 &                    String.Compare("123456", input.Password, StringComparison.OrdinalIgnoreCase) == 0;                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);                Console.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);                }            }        }    }