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请问在spring boot中如何配置json-java报错

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以前在用spring mvc时,在配置文件中会添加如下配置来设置json序列化时过滤null值。请问各位在spring boot中如何配置呢?

<mvc:annotation-driven>
    <mvc:message-converters register-defaults="true">
        <bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
            <property name="objectMapper">
                <bean class="com.fasterxml.jackson.databind.ObjectMapper">
                    <property name="serializationInclusion">
                        <value type="com.fasterxml.jackson.annotation.JsonInclude.Include">NON_NULL</value>
                    </property>
                </bean>
            </property>
        </bean>
    </mvc:message-converters>
</mvc:annotation-driven>



" ![image.png](https://ucc.alicdn.com/pic/developer-ecology/b7d73617ad084c14aa3376308a573db6.png)

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montos 2020-05-30 23:17:08 574 分享 版权
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  • "

    <img alt="""" height=""652"" src=""https://static.oschina.net/uploads/space/2017/0504/104953_lPIT_1581525.jpg"" width=""1289"" />

    官网上有的

     

     public static class Serializer extends JsonSerializer<CommonResult> {

            @Override
            public void serialize(CommonResult cr, JsonGenerator jg, SerializerProvider sp) throws IOException, JsonProcessingException {
                String json = objectMapper.writeValueAsString(cr);
                jg.writeString(json);
            }

        }

    " ![image.png](https://ucc.alicdn.com/pic/developer-ecology/940a5c1c99874340b939ec07c5d03cdf.png)
    2020-05-30 23:17:16
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