C# FUNC 应用

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace FuncDemo
{
    class Program
    {
        static void Main(string[] args)
        {
            //类似委托功能
            Func<string, int> test = TsetMothod;

            Console.WriteLine(test("123"));

            Func<string, int> test1 = TsetMothod;


            //只需要调用这个类就可以减少重复的代码
            CallMethod<string>(test1,"123");

            //或者采用这种
            CallMethod<string>(new Func<string, int>(TsetMothod), "123");

            CallMethod(new Func<string, int>(TsetMothod), "123");


            
        }

       
        public static int TsetMothod(string name)
        {
            if (string.IsNullOrEmpty(name))
            {
                return 1;
            }
            return 0;

        }

        //改造经常出现类似代码下面

        //try
        //{
        ////Do()；只有这个方法改变
        //}
        //catch (System.Exception ex)
        //{
        //    //Log(e)；
        //}
        //finally
        //{
        ////DoOther();
        //}

        //
        public static void CallMethod<T>(Func<T,int> func,T item)
        {
            try
            {
               int i= func(item);
               Console.WriteLine(i);
            }
            catch(Exception e)
            {

            }
            finally
            {

            }
        }


    }
}

FUNC示例