org.springframework.boot.autoconfigure.http.HttpMessageConverters Java Examples

@Bean
    public HttpMessageConverters fastJsonConfigure(){
        FastJsonHttpMessageConverter converter = new FastJsonHttpMessageConverter();
        FastJsonConfig fastJsonConfig = new FastJsonConfig();
        fastJsonConfig.setSerializerFeatures(SerializerFeature.PrettyFormat);
        //日期格式化
        fastJsonConfig.setDateFormat("yyyy-MM-dd HH:mm:ss");
        //修改配置返回内容的过滤
        fastJsonConfig.setSerializerFeatures(
//                SerializerFeature. WriteMapNullValue,//是否输出值为null的字段,默认为false
                SerializerFeature.WriteDateUseDateFormat//格式化标签
//        		SerializerFeature.WriteNullListAsEmpty  ,//List字段如果为null,输出为[],而非null
//                SerializerFeature.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）
//                SerializerFeature.WriteMapNullValue,//是否输出值为null的字段,默认为false。
//                SerializerFeature.WriteNullStringAsEmpty//字符类型字段如果为null,输出为"",而非null
//                SerializerFeature.WriteNullBooleanAsFalse//Boolean字段如果为null,输出为false,而非null
        );
        converter.setFastJsonConfig(fastJsonConfig);
        //处理中文乱码问题
        List<MediaType> fastMediaTypes = new ArrayList<>();
        fastMediaTypes.add(MediaType.APPLICATION_JSON_UTF8);
        converter.setSupportedMediaTypes(fastMediaTypes);
        converter.setFastJsonConfig(fastJsonConfig);
        //将fastjson添加到视图消息转换器列表内
        return new HttpMessageConverters(converter);
    }
 

@Bean
@Lazy
@ConditionalOnMissingBean
public RestTemplateBuilder restTemplateBuilder(ObjectProvider<HttpMessageConverters> messageConverters,
                                               ObjectProvider<RestTemplateCustomizer> restTemplateCustomizers,
                                               ObjectProvider<RestTemplateRequestCustomizer<?>> restTemplateRequestCustomizers,
                                               OkHttpClient okHttpClient) {
    RestTemplateBuilder builder = new RestTemplateBuilder();
    HttpMessageConverters converters = messageConverters.getIfUnique();
    if (converters != null) {
        builder = builder.messageConverters(converters.getConverters());
    }
    builder = addCustomizers(builder, restTemplateCustomizers, RestTemplateBuilder::customizers);
    builder = addCustomizers(builder, restTemplateRequestCustomizers, RestTemplateBuilder::requestCustomizers);

    builder = builder.requestFactory(() -> new OkHttp3ClientHttpRequestFactory(okHttpClient));

    return builder;
}
 

@Bean
public HttpMessageConverters fastjsonConverter(){
    List<SerializerFeature> serializerFeatureList = new ArrayList<>();
    serializerFeatureList.add(SerializerFeature.PrettyFormat);
    serializerFeatureList.add(SerializerFeature.QuoteFieldNames);
    serializerFeatureList.add(SerializerFeature.WriteMapNullValue);
    serializerFeatureList.add(SerializerFeature.WriteNullListAsEmpty);
    serializerFeatureList.add(SerializerFeature.WriteNullNumberAsZero);
    serializerFeatureList.add(SerializerFeature.WriteNullStringAsEmpty);
    serializerFeatureList.add(SerializerFeature.WriteNullBooleanAsFalse);
    serializerFeatureList.add(SerializerFeature.WriteDateUseDateFormat);
    SerializerFeature[] serializerFeatures = new SerializerFeature[serializerFeatureList.size()];
    serializerFeatureList.toArray(serializerFeatures);
    FastJsonConfig fastJsonConfig = new FastJsonConfig();
    fastJsonConfig.setCharset(StandardCharsets.UTF_8);
    fastJsonConfig.setDateFormat("yyyy-MM-dd HH:mm:ss");
    fastJsonConfig.setSerializerFeatures(serializerFeatures);
    FastJsonHttpMessageConverter fastjson = new FastJsonHttpMessageConverter();
    fastjson.setFastJsonConfig(fastJsonConfig);
    return new HttpMessageConverters(fastjson);
}
 

@Bean
public HttpMessageConverters fastjsonConverter(){
    List<SerializerFeature> serializerFeatureList = new ArrayList<>();
    serializerFeatureList.add(SerializerFeature.PrettyFormat);
    serializerFeatureList.add(SerializerFeature.QuoteFieldNames);
    serializerFeatureList.add(SerializerFeature.WriteMapNullValue);
    serializerFeatureList.add(SerializerFeature.WriteNullListAsEmpty);
    serializerFeatureList.add(SerializerFeature.WriteNullNumberAsZero);
    serializerFeatureList.add(SerializerFeature.WriteNullStringAsEmpty);
    serializerFeatureList.add(SerializerFeature.WriteNullBooleanAsFalse);
    serializerFeatureList.add(SerializerFeature.WriteDateUseDateFormat);
    SerializerFeature[] serializerFeatures = new SerializerFeature[serializerFeatureList.size()];
    serializerFeatureList.toArray(serializerFeatures);
    FastJsonConfig fastJsonConfig = new FastJsonConfig();
    fastJsonConfig.setCharset(StandardCharsets.UTF_8);
    fastJsonConfig.setDateFormat("yyyy-MM-dd HH:mm:ss");
    fastJsonConfig.setSerializerFeatures(serializerFeatures);
    FastJsonHttpMessageConverter fastjson = new FastJsonHttpMessageConverter();
    fastjson.setFastJsonConfig(fastJsonConfig);
    return new HttpMessageConverters(fastjson);
}
 

@Bean
public HttpMessageConverters fastjsonConverter(){
    List<SerializerFeature> serializerFeatureList = new ArrayList<>();
    serializerFeatureList.add(SerializerFeature.PrettyFormat);
    serializerFeatureList.add(SerializerFeature.QuoteFieldNames);
    serializerFeatureList.add(SerializerFeature.WriteMapNullValue);
    serializerFeatureList.add(SerializerFeature.WriteNullListAsEmpty);
    serializerFeatureList.add(SerializerFeature.WriteNullNumberAsZero);
    serializerFeatureList.add(SerializerFeature.WriteNullStringAsEmpty);
    serializerFeatureList.add(SerializerFeature.WriteNullBooleanAsFalse);
    serializerFeatureList.add(SerializerFeature.WriteDateUseDateFormat);
    SerializerFeature[] serializerFeatures = new SerializerFeature[serializerFeatureList.size()];
    serializerFeatureList.toArray(serializerFeatures);
    FastJsonConfig fastJsonConfig = new FastJsonConfig();
    fastJsonConfig.setCharset(StandardCharsets.UTF_8);
    fastJsonConfig.setDateFormat("yyyy-MM-dd HH:mm:ss");
    fastJsonConfig.setSerializerFeatures(serializerFeatures);
    FastJsonHttpMessageConverter fastjson = new FastJsonHttpMessageConverter();
    fastjson.setFastJsonConfig(fastJsonConfig);
    return new HttpMessageConverters(fastjson);
}
 

@Bean
public Decoder feignDecoder () {
  val springConverters = messageConverters.getObject().getConverters();
  val decoderConverters = new ArrayList<HttpMessageConverter<?>>(springConverters.size() + 1);

  decoderConverters.addAll(springConverters);
  decoderConverters.add(new SpringManyMultipartFilesReader(4096));

  val httpMessageConverters = new HttpMessageConverters(decoderConverters);

  return new SpringDecoder(new ObjectFactory<HttpMessageConverters>() {

    @Override
    public HttpMessageConverters getObject () {
        return httpMessageConverters;
    }
  });
}
 

/**
 *  使用@Bean注入fastJsonHttpMessageConvert,fastJson序列化
 */
@Bean
public HttpMessageConverters fastJsonHttpMessageConverters(){
    // 1、需要先定义一个 convert 转换消息的对象;
    FastJsonHttpMessageConverter fastConverter = new FastJsonHttpMessageConverter();
    //2、添加fastJson 的配置信息，比如：是否要格式化返回的json数据;
    FastJsonConfig fastJsonConfig = new FastJsonConfig();
    fastJsonConfig.setSerializerFeatures(SerializerFeature.PrettyFormat);

    //2-1 处理中文乱码问题
    List<MediaType> fastMediaTypes = new ArrayList<>();
    fastMediaTypes.add(MediaType.APPLICATION_JSON_UTF8);
    fastConverter.setSupportedMediaTypes(fastMediaTypes);

    //3、在convert中添加配置信息.
    fastConverter.setFastJsonConfig(fastJsonConfig);
    HttpMessageConverter<?> converter = fastConverter;
    return new HttpMessageConverters(converter);
}
 

/**
 *  使用@Bean注入fastJsonHttpMessageConvert,fastJson序列化
 */
@Bean
public HttpMessageConverters fastJsonHttpMessageConverters(){
    // 1、需要先定义一个 convert 转换消息的对象;
    FastJsonHttpMessageConverter fastConverter = new FastJsonHttpMessageConverter();
    //2、添加fastJson 的配置信息，比如：是否要格式化返回的json数据;
    FastJsonConfig fastJsonConfig = new FastJsonConfig();
    fastJsonConfig.setSerializerFeatures(SerializerFeature.PrettyFormat);

    //2-1 处理中文乱码问题
    List<MediaType> fastMediaTypes = new ArrayList<>();
    fastMediaTypes.add(MediaType.APPLICATION_JSON_UTF8);
    fastConverter.setSupportedMediaTypes(fastMediaTypes);

    //3、在convert中添加配置信息.
    fastConverter.setFastJsonConfig(fastJsonConfig);
    HttpMessageConverter<?> converter = fastConverter;
    return new HttpMessageConverters(converter);
}
 

/**
 *  使用@Bean注入fastJsonHttpMessageConvert,fastJson序列化
 */
@Bean
public HttpMessageConverters fastJsonHttpMessageConverters(){
    // 1、需要先定义一个 convert 转换消息的对象;
    FastJsonHttpMessageConverter fastConverter = new FastJsonHttpMessageConverter();
    //2、添加fastJson 的配置信息，比如：是否要格式化返回的json数据;
    FastJsonConfig fastJsonConfig = new FastJsonConfig();
    fastJsonConfig.setSerializerFeatures(SerializerFeature.PrettyFormat);

    //2-1 处理中文乱码问题
    List<MediaType> fastMediaTypes = new ArrayList<>();
    fastMediaTypes.add(MediaType.APPLICATION_JSON_UTF8);
    fastConverter.setSupportedMediaTypes(fastMediaTypes);

    //3、在convert中添加配置信息.
    fastConverter.setFastJsonConfig(fastJsonConfig);
    HttpMessageConverter<?> converter = fastConverter;
    return new HttpMessageConverters(converter);
}
 

@Bean
public HttpMessageConverters fastJsonConfigure(){
    FastJsonHttpMessageConverter converter = new FastJsonHttpMessageConverter();
    FastJsonConfig fastJsonConfig = new FastJsonConfig();
    fastJsonConfig.setSerializerFeatures(SerializerFeature.PrettyFormat);
    //日期格式化
    fastJsonConfig.setDateFormat("yyyy-MM-dd HH:mm:ss");
    //修改配置返回内容的过滤
    fastJsonConfig.setSerializerFeatures(
            SerializerFeature. WriteMapNullValue,//是否输出值为null的字段,默认为false
            SerializerFeature.WriteDateUseDateFormat,//格式化标签
    		SerializerFeature.WriteNullListAsEmpty , //List字段如果为null,输出为[],而非null
            SerializerFeature.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）
            SerializerFeature.WriteMapNullValue,//是否输出值为null的字段,默认为false。
            SerializerFeature.WriteNullStringAsEmpty,//字符类型字段如果为null,输出为"",而非null
            SerializerFeature.WriteNullBooleanAsFalse//Boolean字段如果为null,输出为false,而非null
    );
    converter.setFastJsonConfig(fastJsonConfig);
    //处理中文乱码问题
    List<MediaType> fastMediaTypes = new ArrayList<>();
    fastMediaTypes.add(MediaType.APPLICATION_JSON_UTF8);
    converter.setSupportedMediaTypes(fastMediaTypes);
    converter.setFastJsonConfig(fastJsonConfig);
    //将fastjson添加到视图消息转换器列表内
    return new HttpMessageConverters(converter);
}
 

/**
 * 转换器全局配置
 *
 * @param converters
 * @return
 */
@Bean
public HttpMessageConverters httpMessageConverters(List<HttpMessageConverter<?>> converters) {
    MappingJackson2HttpMessageConverter jackson2HttpMessageConverter = new MappingJackson2HttpMessageConverter();
    ObjectMapper objectMapper = new ObjectMapper();
    // 忽略为空的字段
    objectMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
    objectMapper.getSerializationConfig().withFeatures(
            SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);
    objectMapper.setDateFormat(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"));
    /**
     * 序列换成json时,将所有的long变成string
     * js中long过长精度丢失
     */
    SimpleModule simpleModule = new SimpleModule();
    simpleModule.addSerializer(Long.class, ToStringSerializer.instance);
    simpleModule.addSerializer(Long.TYPE, ToStringSerializer.instance);
    objectMapper.registerModule(simpleModule);
    jackson2HttpMessageConverter.setObjectMapper(objectMapper);
    log.info("MappingJackson2HttpMessageConverter [{}]", jackson2HttpMessageConverter);
    return new HttpMessageConverters(jackson2HttpMessageConverter);
}
 

/**
 * 替换springMVC JSON格式化工具为FastJSON，同时支持输出value=null的字段
 *
 * @return http message converters
 */
@Bean
public HttpMessageConverters fastJsonHttpMessageConverters() {
    //1.需要定义一个convert转换消息的对象;
    FastJsonHttpMessageConverter fastJsonHttpMessageConverter = new FastJsonHttpMessageConverter();
    //2:添加fastJson的配置信息;
    FastJsonConfig fastJsonConfig = new FastJsonConfig();
    fastJsonConfig.setSerializerFeatures(SerializerFeature.WriteMapNullValue);
    fastJsonConfig.setSerializeFilters();
    //3处理中文乱码问题
    List<MediaType> fastMediaTypes = new ArrayList<>();
    fastMediaTypes.add(MediaType.APPLICATION_JSON_UTF8);
    //4.在convert中添加配置信息.
    fastJsonHttpMessageConverter.setSupportedMediaTypes(fastMediaTypes);
    fastJsonHttpMessageConverter.setFastJsonConfig(fastJsonConfig);
    return new HttpMessageConverters(fastJsonHttpMessageConverter);

}
 

@Bean
@Lazy
@ConditionalOnMissingBean
public RestTemplateBuilder restTemplateBuilder(ObjectProvider<HttpMessageConverters> messageConverters,
                                               ObjectProvider<RestTemplateCustomizer> restTemplateCustomizers,
                                               ObjectProvider<RestTemplateRequestCustomizer<?>> restTemplateRequestCustomizers,
                                               OkHttpClient okHttpClient) {
    RestTemplateBuilder builder = new RestTemplateBuilder();
    HttpMessageConverters converters = messageConverters.getIfUnique();
    if (converters != null) {
        builder = builder.messageConverters(converters.getConverters());
    }
    builder = addCustomizers(builder, restTemplateCustomizers, RestTemplateBuilder::customizers);
    builder = addCustomizers(builder, restTemplateRequestCustomizers, RestTemplateBuilder::requestCustomizers);

    builder = builder.requestFactory(() -> new OkHttp3ClientHttpRequestFactory(okHttpClient));

    return builder;
}
 

/**
 * 替换springMVC JSON格式化工具为FastJSON，同时支持输出value=null的字段
 *
 * @return http message converters
 */
@Bean
public HttpMessageConverters fastJsonHttpMessageConverters() {
    //1.需要定义一个convert转换消息的对象;
    FastJsonHttpMessageConverter fastJsonHttpMessageConverter = new FastJsonHttpMessageConverter();
    //2:添加fastJson的配置信息;
    FastJsonConfig fastJsonConfig = new FastJsonConfig();
    fastJsonConfig.setSerializerFeatures(SerializerFeature.WriteMapNullValue);
    fastJsonConfig.setSerializeFilters();
    //3处理中文乱码问题
    List<MediaType> fastMediaTypes = new ArrayList<>();
    fastMediaTypes.add(MediaType.APPLICATION_JSON_UTF8);
    //4.在convert中添加配置信息.
    fastJsonHttpMessageConverter.setSupportedMediaTypes(fastMediaTypes);
    fastJsonHttpMessageConverter.setFastJsonConfig(fastJsonConfig);
    return new HttpMessageConverters(fastJsonHttpMessageConverter);

}
 

/**
 * 替换springMVC JSON格式化工具为FastJSON，同时支持输出value=null的字段
 *
 * @return http message converters
 */
@Bean
public HttpMessageConverters fastJsonHttpMessageConverters(){
    //1.需要定义一个convert转换消息的对象;
    FastJsonHttpMessageConverter fastJsonHttpMessageConverter = new FastJsonHttpMessageConverter();
    //2:添加fastJson的配置信息;
    FastJsonConfig fastJsonConfig = new FastJsonConfig();
    fastJsonConfig.setSerializerFeatures(SerializerFeature.WriteMapNullValue);
    fastJsonConfig.setSerializeFilters();
    //3处理中文乱码问题
    List<MediaType> fastMediaTypes = new ArrayList<>();
    fastMediaTypes.add(MediaType.APPLICATION_JSON_UTF8);
    //4.在convert中添加配置信息.
    fastJsonHttpMessageConverter.setSupportedMediaTypes(fastMediaTypes);
    fastJsonHttpMessageConverter.setFastJsonConfig(fastJsonConfig);
    return new HttpMessageConverters((HttpMessageConverter<?>) fastJsonHttpMessageConverter);

}
 

/**
 * 升级版本后， 不加这个 gateway 使用feign会报错，不知道什么原因
 *
 * @return
 */
@Bean
public Decoder feignFormDecoder() {
    List<HttpMessageConverter<?>> converters = new RestTemplate().getMessageConverters();
    ObjectFactory<HttpMessageConverters> factory = () -> new HttpMessageConverters(converters);
    return new ResponseEntityDecoder(new SpringDecoder(factory));
}
 

@Bean
public HttpMessageConverters fastJsonHttpMessageConverters() {
	// 1.需要定义一个Convert转换消息的对象
	FastJsonHttpMessageConverter fastConverter = new FastJsonHttpMessageConverter();
	// 2.添加fastjson的配置信息，比如是否要格式化返回的json数据
	FastJsonConfig fastJsonConfig = new FastJsonConfig();
	fastJsonConfig.setSerializerFeatures(SerializerFeature.PrettyFormat);
	// 3.在convert中添加配置信息
	fastConverter.setFastJsonConfig(fastJsonConfig);

	HttpMessageConverter<?> converter = fastConverter;
	return new HttpMessageConverters(converter);
}
 

@PostConstruct
public void init() {
	HttpMessageConverters httpMessageConverters = this.httpMessageConverters
			.getIfAvailable();

	httpMessageConverterResolver = new HttpMessageConverterResolver(
			httpMessageConverters == null ? Collections.emptyList()
					: httpMessageConverters.getConverters(),
			getClassLoader());
}
 

@Bean
public HttpMessageConverters getMessageConverters() {
    log.info("Loading HTTP serializers");
    HttpConverterJson json = new HttpConverterJson();
    HttpConverterXml xml = new HttpConverterXml();
    HttpConverterHtml html = new HttpConverterHtml();
    HttpConverterText text = new HttpConverterText();
    return new HttpMessageConverters(json, xml, html, text);
}
 

@Bean
public HttpMessageConverters fastJsonConfigure() {
    FastJsonHttpMessageConverter converter = new FastJsonHttpMessageConverter();
    FastJsonConfig fastJsonConfig = new FastJsonConfig();
    fastJsonConfig.setSerializerFeatures(SerializerFeature.PrettyFormat);
    converter.setFastJsonConfig(fastJsonConfig);

    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);
    converter.setSupportedMediaTypes(supportedMediaTypes);
    return new HttpMessageConverters(converter);
}
 

@Bean
public HttpMessageConverters fastJsonHttpMessageConverters() {
    // 1.定义一个converters转换消息的对象
    FastJsonHttpMessageConverter fastConverter = new FastJsonHttpMessageConverter();
    // 2.添加fastjson的配置信息，比如: 是否需要格式化返回的json数据
    FastJsonConfig fastJsonConfig = new FastJsonConfig();
    fastJsonConfig.setSerializerFeatures(SerializerFeature.DisableCircularReferenceDetect);
    // 3.在converter中添加配置信息
    fastConverter.setFastJsonConfig(fastJsonConfig);
    // 5.返回HttpMessageConverters对象
    return new HttpMessageConverters(fastConverter);
}
 

public AdminServiceAddressLocator(
    final HttpMessageConverters httpMessageConverters,
    final PortalSettings portalSettings,
    final RestTemplateFactory restTemplateFactory,
    final PortalMetaDomainService portalMetaDomainService
) {
  this.portalSettings = portalSettings;
  this.restTemplateFactory = restTemplateFactory;
  this.portalMetaDomainService = portalMetaDomainService;
}
 

@Bean
public HttpMessageConverters messageConverters() {
  GsonHttpMessageConverter gsonHttpMessageConverter = new GsonHttpMessageConverter();
  gsonHttpMessageConverter.setGson(
          new GsonBuilder().setDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSZ").create());
  final List<HttpMessageConverter<?>> converters = Lists.newArrayList(
          new ByteArrayHttpMessageConverter(), new StringHttpMessageConverter(),
          new AllEncompassingFormHttpMessageConverter(), gsonHttpMessageConverter);
  return new HttpMessageConverters() {
    @Override
    public List<HttpMessageConverter<?>> getConverters() {
      return converters;
    }
  };
}
 

@Bean
public Decoder feignDecoder() {
  ObjectMapper objectMapper = new ObjectMapper()
      .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false)
      .configure(DeserializationFeature.ACCEPT_SINGLE_VALUE_AS_ARRAY, true)
      .registerModule(new Jackson2HalModule());

  MappingJackson2HttpMessageConverter jacksonConverter = new MappingJackson2HttpMessageConverter();
  jacksonConverter.setSupportedMediaTypes(Arrays.asList(MediaTypes.HAL_JSON));
  jacksonConverter.setObjectMapper(objectMapper);

  ObjectFactory<HttpMessageConverters> objectFactory = () -> new HttpMessageConverters(jacksonConverter);
  return new ResponseEntityDecoder(new SpringDecoder(objectFactory));
}
 

@org.springframework.context.annotation.Primary
@org.springframework.context.annotation.Bean
public feign.codec.Decoder compensableFeignDecoder(@Autowired ObjectFactory<HttpMessageConverters> objectFactory) {
	CompensableFeignDecoder feignDecoder = new CompensableFeignDecoder();
	feignDecoder.setObjectFactory(objectFactory);
	return feignDecoder;
}
 

@org.springframework.context.annotation.Primary
@org.springframework.context.annotation.Bean
public feign.codec.Decoder compensableFeignDecoder(@Autowired ObjectFactory<HttpMessageConverters> objectFactory) {
	CompensableFeignDecoder feignDecoder = new CompensableFeignDecoder();
	feignDecoder.setObjectFactory(objectFactory);
	return feignDecoder;
}
 

@Bean
public HttpMessageConverters messageConverters(ObjectMapper objectMapper) {
	return new HttpMessageConverters(
			// Prevent default converters
			false,
			Arrays.<HttpMessageConverter<?>>asList(new MappingJackson2HttpMessageConverter(objectMapper),
					new ResourceHttpMessageConverter()));
}
 

/**
 * 
 * Description: <br> 
 *  
 * @author 王伟<br>
 * @taskId <br>
 * @return <br>
 */
@Bean
public HttpMessageConverters fastJsonHttpMessageConverters() {
    // 1、需要先定义一个 convert 转换消息对象；
    FastJsonHttpMessageConverter fastConverter = new FastJsonHttpMessageConverter();

    FastJsonConfig fastJsonConfig = new FastJsonConfig();
    fastJsonConfig.setFeatures(Feature.AllowISO8601DateFormat);
    fastConverter.setFastJsonConfig(fastJsonConfig);

    return new HttpMessageConverters(new StringHttpMessageConverter(), fastConverter);
}
 

@org.springframework.context.annotation.Primary
@org.springframework.context.annotation.Bean
public feign.codec.Decoder transactionFeignDecoder(@Autowired ObjectFactory<HttpMessageConverters> objectFactory,
		@Autowired feign.codec.Decoder decoder) {
	TransactionFeignDecoder feignDecoder = new TransactionFeignDecoder(decoder);
	feignDecoder.setObjectFactory(objectFactory);
	return feignDecoder;
}
 

@Bean
public HttpMessageConverters customConverters() {
    Collection<HttpMessageConverter<?>> messageConverters = new ArrayList<>();
    JsonbHttpMessageConverter jsonbHttpMessageConverter = new JsonbHttpMessageConverter();
    messageConverters.add(jsonbHttpMessageConverter);
    return new HttpMessageConverters(true, messageConverters);
}