IDEA报错如下：

Error:(19, 8) java: Internal error in the mapping processor: 
java.lang.NoClassDefFoundError: javax/xml/bind/JAXBElement  	at 
org.mapstruct.ap.internal.model.source.builtin.JaxbElemToValue.<init>
(JaxbElemToValue.java:41)  	at 
org.mapstruct.ap.internal.model.source.builtin.BuiltInMappingMethods.<init>
(BuiltInMappingMethods.java:49)  	at 
org.mapstruct.ap.internal.processor.creation.MappingResolverImpl.<init>(MappingResolverImpl.java:99)  	at 
org.mapstruct.ap.internal.processor.MapperCreationProcessor.process(MapperCreationProcessor.java:98)  	at 
org.mapstruct.ap.internal.processor.MapperCreationProcessor.process(MapperCreationProcessor.java:76)  	at 
org.mapstruct.ap.MappingProcessor.process(MappingProcessor.java:270)  	at 
org.mapstruct.ap.MappingProcessor.processMapperTypeElement(MappingProcessor.java:250)  	at 
org.mapstruct.ap.MappingProcessor.processMapperElements(MappingProcessor.java:216