我用 JSR310 替换 JodaTime,并且 JodaTime() 模块工作正常。
我正在尝试在 spring-boot 应用程序中重新配置日期的序列化。
我无法同时保留两者,因此我正在寻找一种将日期序列化/反序列化为 ISO 8601 的方法。
我遵循了这里的建议,但这没有帮助: http://lewandowski.io/2016/02/formatting-java-time-with-spring-boot-using-json/
这是我的 JacksonConfig.java
和 objectMapper
:
@Configuration
public class JacksonConfig extends RepositoryRestMvcConfiguration {
private static final Logger logger = LoggerFactory.getLogger(JacksonConfig.class);
public static final DateTimeFormatter FORMATTER = ofPattern("dd::MM::yyyy");
@Bean
// Override and Primary due to bug: https://github.com/spring-projects/spring-boot/issues/6529
@Override
@Primary
public ObjectMapper objectMapper() {
ObjectMapper mapper = new ObjectMapper();
mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
mapper.configure(MapperFeature.DEFAULT_VIEW_INCLUSION, true);
mapper.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);
JavaTimeModule javaTimeModule = new JavaTimeModule();
javaTimeModule.addSerializer(LocalDate.class, new LocalDateSerializer());
javaTimeModule.addDeserializer(LocalDate.class, new LocalDateDeserializer());
mapper.registerModule(javaTimeModule);
return mapper;
}
public class LocalDateSerializer extends JsonSerializer<LocalDate> {
@Override
public void serialize(LocalDate value, JsonGenerator gen, SerializerProvider serializers) throws IOException {
gen.writeString(value.format(FORMATTER));
}
}
public class LocalDateDeserializer extends JsonDeserializer<LocalDate> {
@Override
public LocalDate deserialize(JsonParser p, DeserializationContext ctx) throws IOException {
return LocalDate.parse(p.getValueAsString(), FORMATTER);
}
}
}
bean 被实例化,但 serialize
和 deserialize
永远不会被调用。
我还尝试了没有自定义序列化器/反序列化器的JavaTimeModule
,它也不起作用。
好像完全没有效果。
有没有办法进一步调试这个问题?
我正在使用 spring-hateoas 和 spring-data,我有一个可能相关的问题:
https://github.com/spring-projects/spring-hateoas/issues/333
最佳答案
利用java time模块中提供的ser/deser。这实际上是使用自定义格式化程序设置它们。
import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateSerializer;
import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateDeserializer;
public ObjectMapper objectMapper() {
ObjectMapper mapper = new ObjectMapper();
mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
mapper.configure(MapperFeature.DEFAULT_VIEW_INCLUSION, true);
mapper.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);
JavaTimeModule javaTimeModule = new JavaTimeModule();
LocalDateSerializer localDateSerializer = new LocalDateSerializer(FORMATTER);
javaTimeModule.addSerializer(LocalDate.class, localDateSerializer);
LocalDateDeserializer localDateDeserializer = new LocalDateDeserializer(FORMATTER);
javaTimeModule.addDeserializer(LocalDate.class, localDateDeserializer);
mapper.registerModule(javaTimeModule);
return mapper;
}
关于spring - 在 Spring 使用 JSR310 java.time 时将日期、即时序列化为 ISO 8601,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/41089005/