WCF - Autofac IOC

  /// <summary>
    /// IOC实例提供者，基于AutoFac
    ///
    /// </summary>
    public class IocInstanceProvider : IInstanceProvider
    {
        Type serviceType;
        IContainer container;

        public IocInstanceProvider(Type serviceType)
        {
            this.serviceType = serviceType;
            container = RegisterDependency();
        }
        private IContainer RegisterDependency()
        {
            var builder = new ContainerBuilder();

            builder.RegisterType(Service1).InstancePerLifetimeScope();

            //配置外部接口
           builder.RegisterType<Test>().As<ITest>().SingleInstance();
            return builder.Build();
        }

        public object GetInstance(InstanceContext instanceContext, Message message)
        {
            return container.Resolve(serviceType);
        }

        public object GetInstance(InstanceContext instanceContext)
        {
            return GetInstance(instanceContext, null);
        }

        public void ReleaseInstance(InstanceContext instanceContext, object instance)
        {
            if (instance is IDisposable)
                ((IDisposable)instance).Dispose();
        }
    }

/// <summary>
    /// 使用IOC必须加上的特性,只能在实现类上使用
    ///
    /// </summary>
    public class IocServiceBehavior : Attribute, IServiceBehavior
    {
        public void AddBindingParameters(ServiceDescription serviceDescription
                                        , ServiceHostBase serviceHostBase
                                        , Collection<ServiceEndpoint> endpoints
                                        , BindingParameterCollection bindingParameters)
        {

        }

        public void ApplyDispatchBehavior(ServiceDescription serviceDescription, ServiceHostBase serviceHostBase)
        {
            foreach (ChannelDispatcher item in serviceHostBase.ChannelDispatchers)
            {
                foreach (var ed in item.Endpoints)
                {
                    if (!ed.IsSystemEndpoint)
                    {
                        ed.DispatchRuntime.InstanceProvider = new IocInstanceProvider(serviceDescription.ServiceType);
                    }
                }
            }
        }

        public void Validate(ServiceDescription serviceDescription, ServiceHostBase serviceHostBase)
        {
        }
    }

使用:

[IocServiceBehavior]
public class Service1:IService1{

  //methods
}