1 /// <summary>

 2 /// WCF服务端异常处理器

 3 /// </summary>

 4 public class WCF_ExceptionHandler : IErrorHandler

 5 {

 6    #region IErrorHandler Members

 7

 8    /// <summary>

 9    /// HandleError

10    /// </summary>

11    /// <param name="ex">ex</param>

12    /// <returns>true</returns>

13    public bool HandleError(Exception ex)

14    {

15       return true;

16    }

17

18    /// <summary>

19    /// ProvideFault

20    /// </summary>

21    /// <param name="ex">ex</param>

22    /// <param name="version">version</param>

23    /// <param name="msg">msg</param>

24    public void ProvideFault(Exception ex, MessageVersion version, ref Message msg)

25    {

26       //

27       //在这里处理服务端的消息，将消息写入服务端的日志

28       //

29       string err = string.Format("调用WCF接口 '{0}' 出错", ex.TargetSite.Name) "，详情：\r\n" ex.Message;

30       var newEx = new FaultException(err);

31

32       MessageFault msgFault = newEx.CreateMessageFault();

33       msg = Message.CreateMessage(version, msgFault, newEx.Action);

34    }

35

36    #endregion

37 }

38

 1 /// <summary>

 2 /// WCF服务类的特性

 3 /// </summary>

 4 public class WCF_ExceptionBehaviourAttribute : Attribute, IServiceBehavior

 5 {

 6    private readonly Type _errorHandlerType;

 7

 8    public WCF_ExceptionBehaviourAttribute(Type errorHandlerType)

 9    {

10       _errorHandlerType = errorHandlerType;

11    }

12

13    #region IServiceBehavior Members

14

15    public void Validate(ServiceDescription description,

16    ServiceHostBase serviceHostBase)

17    {

18    }

19

20    public void AddBindingParameters(ServiceDescription description,

21    ServiceHostBase serviceHostBase,

22    Collection<ServiceEndpoint> endpoints,

23    BindingParameterCollection parameters)

24    {

25    }

26

27    public void ApplyDispatchBehavior(ServiceDescription description,

28    ServiceHostBase serviceHostBase)

29    {

30       var handler =

31       (IErrorHandler)Activator.CreateInstance(_errorHandlerType);

32

33       foreach (ChannelDispatcherBase dispatcherBase in

34       serviceHostBase.ChannelDispatchers)

35       {

36          var channelDispatcher = dispatcherBase as ChannelDispatcher;

37          if (channelDispatcher != null)

38          channelDispatcher.ErrorHandlers.Add(handler);

39       }

40    }

41

42    #endregion

43 }

44

1 [ServiceBehavior(IncludeExceptionDetailInFaults = true)]

2 [WCF_ExceptionBehaviour(typeof(WCF_ExceptionHandler))]

3 public class AccountModuleService : IAccountModuleService

4 {

5

6

7 }