API加密要使用全局ObjectMapper,且需要定义Jackson2ObjectMapperBuilderCustomizer
@Bean Jackson2ObjectMapperBuilderCustomizer () { builder -> builder.serializerByType(Long., ToStringSerializer.) .serializerByType(Long., ToStringSerializer.) .serializerByType(BigInteger., ToStringSerializer.) .serializerByType(BigDecimal., ToStringSerializer.); }