C#开源的AOP框架--KingAOP基础

namespace AOPDemo.Logging{ class User {  public int ID { get; set; }  public string Name { get; set; }  public string Pwd{get;set;}  public string IP { get; set; }  public string State { get; set; }  public System.DateTime LoginTime { get; set; } }}

using System;using System.Text;using KingAOP.Aspects;namespace AOPDemo.Logging{ internal class LoggingAspect : OnMethodBoundaryAspect {  public override void OnEntry(MethodExecutionArgs args)  {   string logData = CreateLogData("Entering", args);   Console.WriteLine(logData);  }  public override void OnExit(MethodExecutionArgs args)  {   string logData = CreateLogData("Leaving", args);   Console.WriteLine(logData);  }  /// <summary>  /// AOP对于登录日志逻辑,只需在此进行修改即可,无需修改被切面的处理类  /// </summary>  /// <param name="methodStage"></param>  /// <param name="args"></param>  /// <returns></returns>  private string CreateLogData(string methodStage, MethodExecutionArgs args)  {   var str = new StringBuilder();   str.AppendLine();   str.AppendLine(string.Format(methodStage + " {0} ", args.Method));   foreach (var argument in args.Arguments)   {    var argType = argument.GetType();    str.Append(argType.Name + ": ");    if (argType == typeof(string) || argType.IsPrimitive)    {     str.Append(argument);    }    else    {     foreach (var property in argType.GetProperties())     {      str.AppendFormat("{0} = {1}; ",       property.Name, property.GetValue(argument, null));     }    }   }   return str.ToString();  } }}

using System.Dynamic;using System.Linq.Expressions;using KingAOP;namespace AOPDemo.Logging{ /// <summary> /// 登录逻辑处理,只需添加一个LoggingAspect即可实现日志功能,达到逻辑和通用处理的逻辑分离 /// </summary> internal class Login : IDynamicMetaObjectProvider {  //添加登录切面  [LoggingAspect]   public void LoginValdate(User entity)  {   //只需进行业务逻辑处理,无需进行日志处理   if (entity.Name == "jack" && entity.Pwd == "wang")   {    entity.State = "Logged";   }   else   {    entity.State = "Error";   }     }  /// <summary>  /// IDynamicMetaObjectProvider的实现  /// </summary>  /// <param name="parameter"></param>  /// <returns></returns>  public DynamicMetaObject GetMetaObject(Expression parameter)  {   //need for AOP weaving   return new AspectWeaver(parameter, this);  } }}

//测试感觉KingAOP必须有一个dynamic才能切面Logging.Login test = new Logging.Login();dynamic entity = new Logging.User { Name = "Jon", ID = 99,Pwd="wang",State="",LoginTime=System.DateTime.Now};test.LoginValdate(entity);