C# 使用KingAOP面向切面编程

1. 在Nuget中安装KingAOP

2. 日志DEMO

    public class Test : IDynamicMetaObjectProvider
    {
        [LogAspec]
        public void TestMethod()
        {
            Console.WriteLine("输出正文来呀");
            throw new ArgumentNullException("user name could not be null");
        }

        public DynamicMetaObject GetMetaObject(System.Linq.Expressions.Expression parameter)
        {
            // need for AOP weaving
            return new AspectWeaver(parameter, this); 
        }
    }

    public class LogAspec : OnMethodBoundaryAspect
    {
        public override void OnEntry(MethodExecutionArgs args)
        {
            Console.WriteLine("OnEntry: Hello KingAOP");
        }
        public override void OnException(MethodExecutionArgs args)
        {

            Console.WriteLine("OnException: Hello KingAOP");

        }
        public override void OnSuccess(MethodExecutionArgs args)
        {
            Console.WriteLine("OnSuccess: Hello KingAOP");
        }

        public override void OnExit(MethodExecutionArgs args)
        {
            Console.WriteLine("OnExit: Hello KingAOP");
        }
    }
    public class LoggingHelper
    {
        private const String _errLogFilePath = @"D:log.txt";

        public static void WriteLine(String message)
        {

            var logContent = string.Format("[{0}]{1}
", DateTime.Now.ToString("yyyy-MM-dd hh:mm:ss"), message);
            File.AppendAllText(_errLogFilePath, logContent);

        }
    }

3. 调用DEMO

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;

namespace WebApplication2
{
    class Program
    {
        static void Main(string[] args)
        {
            dynamic test = new Test();
            try
            {
                test.TestMethod();
            }
            catch (Exception ex)
            {

            }
            

            Console.Read();
        }

    }
}