spring5配置时区

@Configuration
public class RequestHandlerConfig extends WebMvcConfigurationSupport { 
    ...
   @Override
    public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
        converters.removeIf(c -> c instanceof MappingJackson2HttpMessageConverter);
        converters.add(new MappingJackson2HttpMessageConverter(customObjectMapper()));
    }
    public ObjectMapper customObjectMapper() {
        Jackson2ObjectMapperBuilder builder = new Jackson2ObjectMapperBuilder().timeZone(TimeZone.getDefault());
        return builder.build();
    }
}