public static class BizAutoWcfProxy
{public static T Get<T>(T instance) where T : class{var p = new ProxyFactory(instance);p.AddAdvice(new AroundAdvise());return p.GetProxy() as T;}internal static IWcfProxy GetMethodProxy(){var service = PubFunc.GetAppSetting("WcfService");if (string.IsNullOrEmpty(service)){return new WcfProxy();}var binding = new NetTcpBinding(SecurityMode.None, false);var f = new ChannelFactory<IWcfProxy>(binding, service);var proxy = f.CreateChannel();return proxy;}
}

//唯一的WCF接口
[ServiceContract]
public interface IWcfProxy
{[OperationContract]ReturnValue Execute(MethodProxy m);
}
//服务实现
public class WcfProxy : IWcfProxy
{public ReturnValue Execute(MethodProxy m){try{//服务端实例化业务对象var con = Type.GetType(m.ClassName).GetConstructor(BindingFlags.NonPublic| BindingFlags.Public| BindingFlags.Instance,null,new Type[0],null);var cls = con.Invoke(new object[0]);//处理参数的反序列化var method = cls.GetType().GetMethod(m.MethodName, BindingFlags.Instance | BindingFlags.Public);var pm = new object[0];if (m.Params != null && m.Params.Length > 0)pm = m.Params.ToList().ConvertAll(PubFunc.Serialize.BytesToObj).ToArray();//调用var rlt = method.Invoke(cls, pm);var r = new ReturnValue();r.SetValue(rlt);//处理out参数var outPlist = new List<byte[]>();method.GetParameters().ToList().ForEach(p =>{if(p.IsOut){outPlist.Add(PubFunc.Serialize.ObjToBytes(pm[p.Position]));}});if (outPlist.Count > 0)r.OutValue = outPlist.ToArray();//正常返回return r;}catch(TargetInvocationException ex1){var ex = ex1.InnerException;//处理服务器端发生的两种异常信息,这些属于正常的业务异常,需要返回到客户端if (ex is BizException || ex is DAException){var r = new ReturnValue();r.HasException = true;r.Exception = PubFunc.Serialize.ObjToBytes(ex);return r;}else{//非正常情况下的异常,统一包装为服务端异常返回var serverex = new ServerException(ex.Message);serverex.Trace = ex.StackTrace;var r = new ReturnValue();r.HasException = true;r.Exception = PubFunc.Serialize.ObjToBytes(serverex);return r;}}}
}
//服务返回对象
[DataContract]
public class ReturnValue
{[DataMember]public bool HasException { get; set; }[DataMember]public byte[] Exception { get; set; }[DataMember]public byte[] Value { get; set; }[DataMember]public byte[][] OutValue { get; set; }public void SetValue(object value){if (value == null){Value = null; return;}Value=PubFunc.Serialize.ObjToBytes(value);}public object GetValue(){if (Value == null){return null;}return PubFunc.Serialize.BytesToObj(Value);}
}
//调用信息
[DataContract]
public class MethodProxy
{[DataMember]public string ClassName { get; set; }[DataMember]public string MethodName { get; set; }[DataMember]public byte[][] Params{get;set;}
}