using Microsoft.Practices.Unity.InterceptionExtension;namespace Command
{public class OperateLogCallHandler:ICallHandler{public string _messageInfo { set; get; }public bool _showThrow { get; set; }private int _order = 0;public OperateLogCallHandler(string MessageInfo, bool ShowThrow){this._messageInfo = MessageInfo;this._showThrow = ShowThrow;}public IMethodReturn Invoke(IMethodInvocation input, GetNextHandlerDelegate getNext){if (input == null) throw new ArgumentNullException("input");if (getNext == null) throw new ArgumentNullException("getNext");var result = getNext()(input, getNext);if (result.Exception == null){//进行逻辑代码编写  比如把操作内容写入数据库Console.WriteLine("操作的内容为:" + _messageInfo);}if (_showThrow) result.Exception = null;return result;}public int Order{get{return _order;}set{_order = value;}}}
}

using Microsoft.Practices.Unity.InterceptionExtension;
namespace Command
{[AttributeUsage(AttributeTargets.Method)]public class OperateLogAttribute : HandlerAttribute{public string messageInfo { get; set; }public bool showThrow { get; set; }public OperateLogAttribute(){}public OperateLogAttribute(string MessagInfo, bool ShowThrow){this.messageInfo = MessagInfo;this.showThrow = ShowThrow;}public override ICallHandler CreateHandler(Microsoft.Practices.Unity.IUnityContainer container){OperateLogCallHandler handler = new OperateLogCallHandler(this.messageInfo, this.showThrow);handler.Order = this.Order;return handler;}}
}

using Microsoft.Practices.Unity;
using Microsoft.Practices.Unity.Configuration;
using Microsoft.Practices.Unity.InterceptionExtension;
using Microsoft.Practices.Unity.InterceptionExtension.Configuration;
using System.Configuration;
using System.Reflection;namespace Command
{public class UnityContainerHelp{private IUnityContainer container;public UnityContainerHelp(){container = new UnityContainer();UnityConfigurationSection section = (UnityConfigurationSection)ConfigurationManager.GetSection("unity");container.LoadConfiguration(section, "FirstClass");}public T GetServer<T>(){return container.Resolve<T>();}/// <summary>/// /// </summary>/// <typeparam name="T"></typeparam>/// <param name="ConfigName">配置文件中指定的文字</param>/// <returns></returns>public T GetServer<T>(string ConfigName){return container.Resolve<T>(ConfigName);}/// <summary>/// 返回构结函数带参数/// </summary>/// <typeparam name="T">依赖对象</typeparam>/// <param name="parameterList">参数集合（参数名，参数值）</param>/// <returns></returns>public T GetServer<T>(Dictionary<string, object> parameterList){var list = new ParameterOverrides();foreach (KeyValuePair<string, object> item in parameterList){list.Add(item.Key, item.Value);}return container.Resolve<T>(list);}/// <summary>/// 返回构结函数带参数/// </summary>/// <typeparam name="T">依赖对象</typeparam>/// <param name="ConfigName">配置文件中指定的文字(没写会报异常)</param>/// <param name="parameterList">参数集合（参数名，参数值）</param>/// <returns></returns>public T GetServer<T>(string ConfigName,Dictionary<string,object> parameterList){var list = new ParameterOverrides();foreach (KeyValuePair<string, object> item in parameterList) {list.Add(item.Key, item.Value);}return container.Resolve<T>(ConfigName,list);}}
}

using Microsoft.Practices.Unity.InterceptionExtension;
using Command;
namespace IAopBLL
{public interface IUser{[OperateLog(Order = 10, messageInfo = "增加用户", showThrow = true)]void CreateUser();[OperateLog(Order = 10, messageInfo = "编辑用户", showThrow = true)]void UpdateUser();}
}

using IAopDAL;
using IAopBLL;
using Command;
namespace AopBLL
{public class UserBLL:IUser{public void CreateUser(){//逻辑代码,此处为了简单就省略不写
        }public void UpdateUser(){//逻辑代码,此处为了简单就省略不写
        }}
}

using IAopBLL;
using Command;
namespace AopUnity
{class Program{static void Main(string[] args){Console.WriteLine("-----------------------------------");IUser bllProperty = new UnityContainerHelp().GetServer<IUser>("UserBllAop");bllProperty.CreateUser();bllProperty.UpdateUser();Console.WriteLine("-----------------------------------");}}
}

<?xml version="1.0"?>
<configuration><configSections><section name="unity" type="Microsoft.Practices.Unity.Configuration.UnityConfigurationSection,Microsoft.Practices.Unity.Configuration"/></configSections><unity xmlns="http://schemas.microsoft.com/practces/2010/unity"><sectionExtension type="Microsoft.Practices.Unity.InterceptionExtension.Configuration.InterceptionConfigurationExtension, Microsoft.Practices.Unity.Interception.Configuration"/><container name="FirstClass"><extension type="Interception"/><register type="IAopBLL.IUser,IAopBLL" mapTo="AopBLL.UserBLL,AopBLL" name="UserBllAop"><interceptor type="InterfaceInterceptor" /><policyInjection/></register></container></unity>
<startup>
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0"/>
</startup>
</configuration>