解决SpringBoot返回结果如果为null或空值不显示处理问题

@Configuration

public class WebMvcConfig extends WebMvcConfigurerAdapter{

     //    /**

//     * 利用fastjson替换掉jackson

//     * @param converters

//     */

     @Override

     public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {

         super .configureMessageConverters(converters);

         FastJsonConfig fastJsonConfig = new FastJsonConfig();

         fastJsonConfig.setSerializerFeatures(

                 SerializerFeature.PrettyFormat

         );

     }

}

spring:

   jackson:

     default -property-inclusion: non_null

@JsonIgnoreProperties (ignoreUnknown = true )   //忽略传参时其他无用字段

@JsonInclude (JsonInclude.Include.NON_NULL)   // 忽略反参时值为null的字段

public class BaseAreaBO implements Serializable {

     @ApiModelProperty (value = "地区code" )

     private String areaCode;

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