namespace Spring.Net
{class Program{static void Main(string[] args){ProxyFactory factory = new ProxyFactory(new OrderService());factory.AddAdvice(new AroundAdvise());factory.AddAdvice(new BeforeAdvise());factory.AddAdvice(new AfterReturningAdvise());factory.AddAdvice(new ThrowsAdvise());IOrderService service = (IOrderService)factory.GetProxy();object result = service.Save(1);Console.WriteLine();Console.WriteLine(string.Format("客户端返回值：{0}", result));Console.ReadLine();}}public interface IOrderService{object Save(object id);}public class OrderService : IOrderService{/// <summary>/// 拦截该方法/// </summary>/// <param name="id"></param>/// <returns></returns>public object Save(object id){throw new Exception("由于XXX原因保存出错");return "保存：" + id.ToString();}}/// <summary>/// 环绕通知/// </summary>public class AroundAdvise : IMethodInterceptor{public object Invoke(IMethodInvocation invocation){Console.Out.WriteLine(string.Format(" 环绕通知： 调用的方法 '{0}'", invocation.Method.Name));Console.WriteLine();object returnValue = null;try{returnValue = invocation.Proceed();}catch{Console.Out.WriteLine(" 环绕通知： 发生异常");Console.WriteLine();}Console.Out.WriteLine(String.Format(" 环绕通知： 返回值 '{0}'", returnValue));return returnValue;}}/// <summary>/// 前置通知/// </summary>public class BeforeAdvise : IMethodBeforeAdvice{public void Before(MethodInfo method, object[] args, object target){Console.Out.WriteLine("     前置通知： 调用的方法名 : " + method.Name);Console.Out.WriteLine("     前置通知： 目标       : " + target);Console.Out.WriteLine("     前置通知： 参数为   : ");if (args != null){foreach (object arg in args){Console.Out.WriteLine("\t: " + arg);}}Console.WriteLine();}}/// <summary>/// 异常通知/// </summary>public class ThrowsAdvise : IThrowsAdvice{public void AfterThrowing(Exception ex){string errorMsg = string.Format("     异常通知： 方法抛出的异常 : {0}", ex.Message);Console.Error.WriteLine(errorMsg);Console.WriteLine();}}/// <summary>/// 后置通知/// </summary>public class AfterReturningAdvise : IAfterReturningAdvice{public void AfterReturning(object returnValue, MethodInfo method, object[] args, object target){Console.Out.WriteLine("     后置通知： 方法调用成功，方法名 : " + method.Name);Console.Out.WriteLine("     后置通知： 目标为      : " + target);Console.Out.WriteLine("     后置通知： 参数 : ");if (args != null){foreach (object arg in args){Console.Out.WriteLine("\t: " + arg);}}Console.Out.WriteLine("     后置通知：  返回值是 : " + returnValue);Console.WriteLine();}}}