這是我的對象映射器配置。我提供了我自己的對象映射器，以便覆蓋Spring boot的2.0附帶的對象映射器。盡管如此，我還包含了 Json 組件模塊 （），以便我可以使用注釋來獲取自定義序列化程序。@JsonComponentpublic class ObjectMapperConfigurer { public static ObjectMapper configureObjectMapper(ObjectMapper objectMapper) { return objectMapper.registerModules( // First three modules can be found here. https://github.com/FasterXML/jackson-modules-java8 new Jdk8Module(), // support for other new Java 8 datatypes outside of date/time: most notably Optional, OptionalLong, OptionalDouble new JavaTimeModule(), // support for Java 8 date/time types (specified in JSR-310 specification) new ParameterNamesModule(), // Support for detecting constructor and factory method ("creator") parameters without having to use @JsonProperty annotation // These two modules are provided by spring new JsonComponentModule(), // Enables https://docs.spring.io/spring-boot/docs/2.1.0.RELEASE/reference/htmlsingle/#boot-features-json-components new GeoModule(), // Enables marshalling of GeoResult<T>, GeoResults<T>, and GeoPage<T> new Hibernate5Module().enable(Hibernate5Module.Feature.FORCE_LAZY_LOADING) // Allows jackson to gracefully handle Hibernate lazy loading, ) .setSerializationInclusion(JsonInclude.Include.NON_NULL) // Turn on/off some features. https://github.com/FasterXML/jackson-databind/wiki/JacksonFeatures .enable(DeserializationFeature.FAIL_ON_NUMBERS_FOR_ENUMS) .enable(DeserializationFeature.FAIL_ON_READING_DUP_TREE_KEY) .enable(SerializationFeature.ORDER_MAP_ENTRIES_BY_KEYS) .enable(SerializationFeature.INDENT_OUTPUT) }
2 回答
POPMUISE
TA貢獻1765條經驗 獲得超5個贊
就我而言，我必須手動配置消息轉換器。我將其添加到以下各項的實現中：WebMvcConfigurer
@Override
public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
Jackson2ObjectMapperBuilder builder = new Jackson2ObjectMapperBuilder();
builder.serializerByType(PageImpl.class, new PageJsonSerializer());
converters.add(new MappingJackson2HttpMessageConverter(builder.build()));
}
慕尼黑的夜晚無繁華
TA貢獻1864條經驗 獲得超6個贊
我能夠通過做兩件事來解決我的問題。
@Component
public class PageJsonSerializer extends StdSerializer<Page> {
擴展而不是我實際上不知道這是否是解決方案的一部分。StdSerializerJsonSerializer
我認為真正的幫助來自手動注冊序列化程序，而不是依賴于 .@JsonComponent
所以我現在看起來像這樣。ObjectMapperConfigurer
public class ObjectMapperConfigurer {
public static ObjectMapper configureObjectMapper(ObjectMapper objectMapper) {
return objectMapper.registerModules(
// First three modules can be found here. https://github.com/FasterXML/jackson-modules-java8
new Jdk8Module(), // support for other new Java 8 datatypes outside of date/time: most notably Optional, OptionalLong, OptionalDouble
new JavaTimeModule(), // support for Java 8 date/time types (specified in JSR-310 specification)
new ParameterNamesModule(), // Support for detecting constructor and factory method ("creator") parameters without having to use @JsonProperty annotation
// Manually registering my serializer.
new SimpleModule().addSerializer(Page.class, pageJsonSerializer),
... all the same
}
我還從我的對象映射器中刪除了 ，因為它似乎已損壞。JsonComponentModule
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