SpringBoot 使用Fastjson 将返回值进行格式化处理

{
    "code": 200,
    "message": "查询成功",
    "data": [
        {
            "id": 1485178867378401281,
            "nickname": "测试",
            "province": null,
            "city": null,
            "gender": null,
            "phone": null,
        }
    ]
}

{
    "code": 200,
    "data": [
        {
            "birthday": 0,
            "city": "",
            "gender": "",
            "id": 1485178867378401281,
            "nickname": "测试",
            "phone": "",
        }
    ],
    "message": "查询成功"
}

@Configuration
public class WebConfig extends WebMvcConfigurationSupport {
    @Bean
    public HttpMessageConverter fastJsonMessageConverters() {
        FastJsonHttpMessageConverter fastConverter = new FastJsonHttpMessageConverter();
        FastJsonConfig fastJsonConfig = new FastJsonConfig();
        /*
            SerializerFeature.PrettyFormat 格式化输出
            WriteMapNullValue  输出 map 中值为 null 的字段
            WriteNullStringAsEmpty  字符类型字段如果为 null,输出为 ”“
            WriteNullNumberAsZero   数值字段如果为 null,输出为 0
            WriteNullListAsEmpty    List字段如果为 null,输出为[]
            WriteNullBooleanAsFalse Boolean字段如果为 null,输出为 false
            DisableCircularReferenceDetect  消除对同一对象循环引用的问题
         */
        fastJsonConfig.setSerializerFeatures(
                SerializerFeature.PrettyFormat,
                SerializerFeature.WriteMapNullValue,
                SerializerFeature.WriteNullStringAsEmpty,
                SerializerFeature.WriteNullNumberAsZero,
                SerializerFeature.WriteNullListAsEmpty,
                SerializerFeature.WriteNullBooleanAsFalse,
                SerializerFeature.DisableCircularReferenceDetect);
        fastJsonConfig.setDateFormat("yyyy-MM-dd HH:mm:ss");
        //将long型转换成字符串输出，防止过长丢失精度
        SerializeConfig.getGlobalInstance().put(Long.class, ToStringSerializer.instance);
        fastJsonConfig.setSerializeConfig(SerializeConfig.globalInstance);
        fastConverter.setFastJsonConfig(fastJsonConfig);
        fastConverter.setDefaultCharset(StandardCharsets.UTF_8);
        List<MediaType> mediaTypeList = new ArrayList<>();
        // 解决中文乱码问题，相当于在 Controller上的 @RequestMapping 中加了个属性produces = "application/json"
        mediaTypeList.add(MediaType.APPLICATION_JSON);
        fastConverter.setSupportedMediaTypes(mediaTypeList);
        return fastConverter;
    }
    @Override
    protected void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
        converters.add(fastJsonMessageConverters());
    }
}