动态配置Known Types，解决WCF动态扩展属性类型的问题： Unhandled Exception: System.Runtime.Serialization.SerializationException: Type '--------' with data contract name 'Dog:http://schemas.datacontract.org/2004/07/Serialization' is not expected. Consider using a DataCon

动态配置Known Types，解决WCF动态扩展属性类型的问题： Unhandled Exception: System.Runtime.Serialization.SerializationException: Type '--------' with data contract name 'Dog:http://schemas.datacontract.org/2004/07/Serialization' is not expected. Consider using a DataCont