MongoDB SpringBoot ObjectId序列化json为String
@Configuration public class JacksonConfig implements InitializingBean { @Resource private ObjectMapper objectMapper; @Override public void afterPropertiesSet() { SimpleModule simpleModule = new SimpleModule(); //指定mongodb ObjectId 序列化方式 simpleModule.addSerializer(ObjectId.class, ToStringSerializer.instance); objectMapper.registerModule(simpleModule); } }