C#使用装饰器模式实现AOP,静态代理

C#使用装饰器模式实现AOP,静态代理

记录一下使用装饰器模式简单实现一下AOP（面向切向）的简单入门Demo

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

namespace MyAOP
{
    /// <summary>
    /// 装饰器模式实现静态代理
    /// AOP 在方法前后增加自定义的方法
    /// 
    /// 简单的proxy静态AOP
    /// </summary>
    public class DecoratorAOP
    {
        public static void Show()
        {
            User user = new User()
            {
                Name = \"老六\",
                Password = \"123123123123\"
            };
            IUserProcessor processor = new UserProcessor();
            processor.RegUser(user);//没有使用AOP
            Console.WriteLine(\"***************\");

            processor = new UserProcessorDecorator(processor);
            processor.RegUser(user);//使用了AOP
        }

        public interface IUserProcessor
        {
            void RegUser(User user);
        }
        public class UserProcessor : IUserProcessor
        {
            public void RegUser(User user)
            {
                Console.WriteLine(\"用户已注册。Name:{0},PassWord:{1}\", user.Name, user.Password);
            }
        }

        /// <summary>
        /// 装饰器的模式去提供一个AOP功能
        /// </summary>
        public class UserProcessorDecorator : IUserProcessor
        {
            private IUserProcessor UserProcessor { get; set; }
            public UserProcessorDecorator(IUserProcessor userprocessor)
            {
                UserProcessor = userprocessor;
            }

            public void RegUser(User user)
            {
                BeforeProceed(user);

                this.UserProcessor.RegUser(user);

                AfterProceed(user);
            }

            /// <summary>
            /// 业务逻辑之前
            /// </summary>
            /// <param name=\"user\"></param>
            public void BeforeProceed(User user)
            {
                Console.WriteLine(\"方法执行前\");
            }
            /// <summary>
            /// 业务逻辑之后
            /// </summary>
            /// <param name=\"user\"></param>
            public void AfterProceed(User user)
            {
                Console.WriteLine(\"方法执行后\");
            }
        }

    }
}