自定义Jackson的ObjectMapper如何实现@ResponseBody的自定义渲染

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="
        http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans.xsd">

    <bean id="bean1" class="test.Bean1" />
    <bean id="bean2" class="test.Bean2" />

</beans>

package test;

@Configuration
public class WebConfig {
  @Bean
  public Bean1 bean1(){
       //……
  }
  @Bean
  public Bean2 bean2(){
       //……
  }
}

<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"          
	xmlns:mvc="http://www.springframework.org/schema/mvc"
	xmlns:p="http://www.springframework.org/schema/p"
	xsi:schemaLocation="http://www.springframework.org/schema/beans 
		http://www.springframework.org/schema/beans/spring-beans-4.3.xsd 
		http://www.springframework.org/schema/mvc 
		http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd">
		
		<mvc:annotation-driven >
			<mvc:message-converters>
        		<bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
            		<property name="objectMapper" ref="objectMapper"/>
        		</bean>
       	    </mvc:message-converters>
		</mvc:annotation-driven>

     	<bean id="objectMapper" class="org.springframework.http.converter.json.Jackson2ObjectMapperFactoryBean"
           p:serializationInclusion="NON_NULL"/>

@Configuration
@EnableWebMvc
public class WebConfiguration extends WebMvcConfigurerAdapter {

	    @Override
	    public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
	        ObjectMapper mapper = new ObjectMapper();
	        mapper.setDefaultPropertyInclusion(Include.NON_NULL);
	        converters.add(new MappingJackson2HttpMessageConverter(mapper));
	    }
}

@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.TYPE)
@Documented
@Import(DelegatingWebMvcConfiguration.class)
public @interface EnableWebMvc {
}

@Configuration
public class DelegatingWebMvcConfiguration extends WebMvcConfigurationSupport {
    
    @Autowired(required = false)
 	public void setConfigurers(List<WebMvcConfigurer> configurers) {
		if (!CollectionUtils.isEmpty(configurers)) {
			this.configurers.addWebMvcConfigurers(configurers);
		}
	}
}

<cache:annotation-driven /> <!--@EnableCaching--> 
<task:annotation-driven scheduler=""/> <!--@EnableScheduling--> 
<task:annotation-driven executor=""/> <!--@EnableAsync--> 
<mvc:annotation-driven /> <!--@EnableWebMvc--> 
<!-- …… 等等，诸如此类 -->