C# Func<T,TResult>-白红宇

C# Func<T,TResult>

阅读量：4686 次

发布时间：2019-06-09

本文共 1949 字，大约阅读时间需要 6 分钟。

using System;namespace FuncDemo{     internal class Program    {        private static void Main()        {            //类似委托功能            Func
    
      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
     
      (Func
      
        func, T item)        {            Result result = func(item);            Console.WriteLine(result.ToString());         }        /// 
               /// 方法参数        /// 
        public class InputArgs        {            public InputArgs(string userName, string password)            {                UserName = userName;                Password = password;            }            public string UserName { get; set; }            public string Password { get; set; }        }        /// 
               /// 方法结果        /// 
        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);            }        }    }}