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  • 修改feign解析器替换json

    @Bean
        public Logger.Level getFeignLoggerLevel() {
            return Logger.Level.FULL ;
        }
    
        @Bean
        public ResponseEntityDecoder feignDecoder() {
            HttpMessageConverter fastJsonConverter = createFastJsonConverter();
            ObjectFactory<HttpMessageConverters> objectFactory = () -> new HttpMessageConverters(fastJsonConverter);
            return new ResponseEntityDecoder(new SpringDecoder(objectFactory));
        }
    
        @Bean
        public SpringEncoder feignEncoder(){
            HttpMessageConverter fastJsonConverter = createFastJsonConverter();
            ObjectFactory<HttpMessageConverters> objectFactory = () -> new HttpMessageConverters(fastJsonConverter);
            return new SpringEncoder(objectFactory);
        }
    
        private HttpMessageConverter createFastJsonConverter() {
    
            //创建fastJson消息转换器
            FastJsonHttpMessageConverter fastConverter = new FastJsonHttpMessageConverter();
    
            //升级最新版本需加=============================================================
            List<MediaType> supportedMediaTypes = new ArrayList<>();
            supportedMediaTypes.add(MediaType.APPLICATION_JSON);
            supportedMediaTypes.add(MediaType.APPLICATION_JSON_UTF8);
            supportedMediaTypes.add(MediaType.APPLICATION_ATOM_XML);
            supportedMediaTypes.add(MediaType.APPLICATION_FORM_URLENCODED);
            supportedMediaTypes.add(MediaType.APPLICATION_OCTET_STREAM);
            supportedMediaTypes.add(MediaType.APPLICATION_PDF);
            supportedMediaTypes.add(MediaType.APPLICATION_RSS_XML);
            supportedMediaTypes.add(MediaType.APPLICATION_XHTML_XML);
            supportedMediaTypes.add(MediaType.APPLICATION_XML);
            supportedMediaTypes.add(MediaType.IMAGE_GIF);
            supportedMediaTypes.add(MediaType.IMAGE_JPEG);
            supportedMediaTypes.add(MediaType.IMAGE_PNG);
            supportedMediaTypes.add(MediaType.TEXT_EVENT_STREAM);
            supportedMediaTypes.add(MediaType.TEXT_HTML);
            supportedMediaTypes.add(MediaType.TEXT_MARKDOWN);
            supportedMediaTypes.add(MediaType.TEXT_PLAIN);
            supportedMediaTypes.add(MediaType.TEXT_XML);
            fastConverter.setSupportedMediaTypes(supportedMediaTypes);
    
            //创建配置类
            FastJsonConfig fastJsonConfig = new FastJsonConfig();
            //修改配置返回内容的过滤
            //WriteNullListAsEmpty  :List字段如果为null,输出为[],而非null
            //WriteNullStringAsEmpty : 字符类型字段如果为null,输出为"",而非null
            //DisableCircularReferenceDetect :消除对同一对象循环引用的问题,默认为false(如果不配置有可能会进入死循环)
            //WriteNullBooleanAsFalse:Boolean字段如果为null,输出为false,而非null
            //WriteMapNullValue:是否输出值为null的字段,默认为false
            fastJsonConfig.setSerializerFeatures(
                    SerializerFeature.DisableCircularReferenceDetect,
                    SerializerFeature.WriteMapNullValue,
                    SerializerFeature.PrettyFormat,
                    SerializerFeature.WriteNullListAsEmpty,
                    SerializerFeature.WriteMapNullValue,
                    SerializerFeature.WriteEnumUsingToString,
                    SerializerFeature.WriteNullStringAsEmpty
            );
            fastJsonConfig.setDateFormat("yyyy-MM-dd HH:mm:ss");
            fastConverter.setFastJsonConfig(fastJsonConfig);
    
            return fastConverter;
        }
    

      

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  • 原文地址:https://www.cnblogs.com/matd/p/12024290.html
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