com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter Java Examples

/**
 * 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);

}
 

@Override
public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
    //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，比如：是否要格式化返回的json数据;
    FastJsonConfig fastJsonConfig = new FastJsonConfig();
    fastJsonConfig.setSerializerFeatures(SerializerFeature.PrettyFormat);
    //3处理中文乱码问题
    List<MediaType> fastMediaTypes = new ArrayList<>();
    fastMediaTypes.add(MediaType.APPLICATION_JSON);
    fastJsonConfig.setCharset(Charset.forName("UTF-8"));
    //4.在convert中添加配置信息.
    fastJsonHttpMessageConverter.setSupportedMediaTypes(fastMediaTypes);
    fastJsonHttpMessageConverter.setFastJsonConfig(fastJsonConfig);
    //5.将convert添加到converters当中.
    converters.add(1, fastJsonHttpMessageConverter);
}
 

@Override
public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
    //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，比如：是否要格式化返回的json数据;
    FastJsonConfig fastJsonConfig = new FastJsonConfig();
    fastJsonConfig.setSerializerFeatures(SerializerFeature.PrettyFormat);
    //3处理中文乱码问题
    List<MediaType> fastMediaTypes = new ArrayList<>();
    fastMediaTypes.add(MediaType.APPLICATION_JSON);
    fastJsonConfig.setCharset(Charset.forName("UTF-8"));
    //4.在convert中添加配置信息.
    fastJsonHttpMessageConverter.setSupportedMediaTypes(fastMediaTypes);
    fastJsonHttpMessageConverter.setFastJsonConfig(fastJsonConfig);
    //5.将convert添加到converters当中.
    converters.add(1,fastJsonHttpMessageConverter);
}
 

@Override
public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
    FastJsonHttpMessageConverter fastConvert = new FastJsonHttpMessageConverter();

    FastJsonConfig fastJsonConfig = new FastJsonConfig();
    JSON.defaultTimeZone = TimeZone.getTimeZone("Asia/Shanghai");
    JSON.DEFFAULT_DATE_FORMAT = "yyyy-MM-dd'T'HH:mm:ss.SSSZ";
    fastJsonConfig.setSerializerFeatures(SerializerFeature.BrowserCompatible,
            SerializerFeature.BrowserSecure,
            SerializerFeature.PrettyFormat,
            SerializerFeature.WriteDateUseDateFormat,
            SerializerFeature.WriteMapNullValue,
            SerializerFeature.DisableCircularReferenceDetect);
    /**
     * 解决Long转json精度丢失的问题
     */
    SerializeConfig serializeConfig = SerializeConfig.globalInstance;
    serializeConfig.put(BigInteger.class, ToStringSerializer.instance);
    serializeConfig.put(Long.class, ToStringSerializer.instance);
    serializeConfig.put(Long.TYPE, ToStringSerializer.instance);
    fastJsonConfig.setSerializeConfig(serializeConfig);
    fastConvert.setFastJsonConfig(fastJsonConfig);
    converters.add(fastConvert);
}
 

private String getJavaOpts(String workerId) {
    try {
        if (StringUtils.isNotEmpty(workerId)) {
            WorkerInfo workerInfo = workerService.getById(Long.valueOf(workerId));
            if (workerInfo != null) {
                String url = "http://" + workerInfo.getWorkerAddress() + ":" + workerInfo.getRestPort() + "/worker/getJavaOpts/" + workerId;

                HttpHeaders headers = new HttpHeaders();
                headers.setContentType(MediaType.APPLICATION_JSON);
                HttpEntity request = new HttpEntity(null, headers);

                Map<String, String> result = new RestTemplate(Lists.newArrayList(new FastJsonHttpMessageConverter())).postForObject(url, request, Map.class);
                return result.get("content");
            }

            return null;
        }

    } catch (Exception e) {
        return e.getMessage();
    }

    return null;
}
 

private String restart(String workerId) {
    if (StringUtils.isNotEmpty(workerId)) {
        WorkerInfo workerInfo = workerService.getById(Long.valueOf(workerId));
        if (workerInfo != null) {
            String url = "http://" + workerInfo.getWorkerAddress() + ":" + workerInfo.getRestPort() + "/worker/restartWorker/" + workerId;

            HttpHeaders headers = new HttpHeaders();
            headers.setContentType(MediaType.APPLICATION_JSON);
            HttpEntity request = new HttpEntity(null, headers);

            Map<String, String> result = new RestTemplate(Lists.newArrayList(new FastJsonHttpMessageConverter())).postForObject(url, request, Map.class);

            // TODO 重启完成后，记录此次的javaopts参数，添加到表t_dl_worker的字段parameters(定义一个类jvm_parameter.run_java_opts)
            // TODO 此处先不调整，原因是：rebalance时，应该获取worker当前正在运行的配置参数；

            AuditLogUtils.saveAuditLog(getAuditLogInfo(workerInfo, "001002009", AuditLogOperType.other.getValue()));
            return result.get("content");
        }

        return "fail";
    }

    return "fail";
}
 

@ResponseBody
@RequestMapping(value = "/toEditLogback")
public String toLogback(HttpServletRequest requestPara) {
    String workerId = requestPara.getParameter("id");
    if (StringUtils.isBlank(workerId)) {
        return "fail";
    }
    try {
        WorkerInfo workerInfo = workerService.getById(Long.valueOf(workerId));
        if (workerInfo != null) {
            String url = "http://" + workerInfo.getWorkerAddress() + ":" + workerInfo.getRestPort() + "/worker/toEditLogback/" + workerId;
            HttpHeaders headers = new HttpHeaders();
            headers.setContentType(MediaType.APPLICATION_JSON);
            HttpEntity request = new HttpEntity(null, headers);
            Map<String, String> result = new RestTemplate(Lists.newArrayList(new FastJsonHttpMessageConverter())).postForObject(url, request, Map.class);
            return result.get("content");
        }
        return "fail";
    } catch (Exception e) {
        logger.info("request to edit logback.xml error:", e);
        return e.getMessage();
    }
}
 

@ResponseBody
@RequestMapping(value = "/doEditLogback")
public String saveLogback(String workerId, String content) {
    logger.info("Receive a request to save logback.xml, with workerId " + workerId + "\r\n with content " + content);

    if (StringUtils.isBlank(content)) {
        return "content can not be null";
    }
    try {
        WorkerInfo workerInfo = workerService.getById(Long.valueOf(workerId));
        if (workerInfo != null) {
            String url = "http://" + workerInfo.getWorkerAddress() + ":" + workerInfo.getRestPort() + "/worker/doEditLogback/" + workerId;
            HttpHeaders headers = new HttpHeaders();
            headers.setContentType(MediaType.APPLICATION_JSON);
            Map<String, String> map = new HashMap<>();
            map.put("content", content);
            HttpEntity request = new HttpEntity(map, headers);
            new RestTemplate(Lists.newArrayList(new FastJsonHttpMessageConverter())).postForObject(url, request, String.class);
            return "success";
        }
        return "fail";
    } catch (Exception e) {
        logger.info("request to save logback.xml error:", e);
        return e.getMessage();
    }
}
 

/**
 * 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(fastJsonHttpMessageConverter);

}
 

/**
 * fastJsonRestTemplate
 *
 * @return
 */
@Bean(name = "fastJsonRestTemplate")
public RestTemplate fastJsonRestTemplate() {
    RestTemplate restTemplate = new RestTemplate(httpRequestFactory());

    HttpMessageConverter<?> converter = new StringHttpMessageConverter(Charset.forName("UTF-8"));

    FastJsonHttpMessageConverter fastConverter = new FastJsonHttpMessageConverter();
    List<MediaType> fastMediaTypes = new ArrayList<>();
    fastMediaTypes.add(MediaType.APPLICATION_FORM_URLENCODED);
    fastMediaTypes.add(MediaType.APPLICATION_JSON_UTF8);
    fastConverter.setSupportedMediaTypes(fastMediaTypes);
    List<HttpMessageConverter<?>> converters = restTemplate.getMessageConverters();
    converters.add(1,converter);
    converters.add(fastConverter);
    return restTemplate;
}
 

/**
 *  fastjson序列化
 *
 * */
@Override
public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
    super.configureMessageConverters(converters);
    List<MediaType> supportedMediaTypes = new ArrayList<>();
    supportedMediaTypes.add(MediaType.APPLICATION_JSON_UTF8);
    FastJsonHttpMessageConverter fastJsonHttpMessageConverter = new FastJsonHttpMessageConverter();
    fastJsonHttpMessageConverter.setSupportedMediaTypes(supportedMediaTypes);
    FastJsonConfig fastJsonConfig = new FastJsonConfig();
    fastJsonConfig.setDateFormat("yyyy-MM-dd HH:mm:ss");    // 自定义时间格式
    fastJsonConfig.setSerializerFeatures(SerializerFeature.PrettyFormat,SerializerFeature.DisableCircularReferenceDetect,
            SerializerFeature.WriteNullNumberAsZero,SerializerFeature.WriteNullBooleanAsFalse,SerializerFeature.WriteMapNullValue,
            SerializerFeature.WriteNullStringAsEmpty,SerializerFeature.WriteNullListAsEmpty,SerializerFeature.WriteDateUseDateFormat,
            SerializerFeature.BrowserCompatible,SerializerFeature.WriteNonStringKeyAsString);
    converters.add(fastJsonHttpMessageConverter);
    converters.add(responseBodyConverter());
}
 

@Bean
FastJsonHttpMessageConverter getFastJsonConv() {
    FastJsonHttpMessageConverter conv = new FastJsonHttpMessageConverter();

    FastJsonConfig oFastJsonConfig = new FastJsonConfig();
    oFastJsonConfig.setSerializerFeatures(
            SerializerFeature.WriteMapNullValue,
            SerializerFeature.WriteDateUseDateFormat
    );
    conv.setFastJsonConfig(oFastJsonConfig);

    List<MediaType> types = new ArrayList<>();
    types.add(MediaType.APPLICATION_JSON_UTF8);
    types.add(MediaType.APPLICATION_JSON);
    conv.setSupportedMediaTypes(types);
    return conv;
}
 

@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);
}
 

/**
 * 自定义 一个 json 转换器
 * 详见 fast json 官方文档
 *
 * @return
 */
private HttpMessageConverter getFastJsonConverter() {
    FastJsonHttpMessageConverter converter = new FastJsonHttpMessageConverter();
    //自定义配置...
    com.alibaba.fastjson.support.config.FastJsonConfig config = new com.alibaba.fastjson.support.config.FastJsonConfig();
    SerializerFeature[] features = {
            SerializerFeature.DisableCircularReferenceDetect,
            SerializerFeature.WriteDateUseDateFormat,
            SerializerFeature.PrettyFormat};
    config.setSerializerFeatures(features);
    config.setDateFormat("yyyy-MM-dd HH:mm:ss.SSS");
    config.setCharset(StandardCharsets.UTF_8);
    converter.setFastJsonConfig(config);
    return converter;

}
 

@Bean
public FastJsonHttpMessageConverter fastJsonHttpMessageConverter() {
    FastJsonHttpMessageConverter httpMessageConverter = new FastJsonHttpMessageConverter();
    FastJsonConfig fastJsonConfig = new FastJsonConfig();
    fastJsonConfig.setSerializerFeatures(SerializerFeature.QuoteFieldNames,
            SerializerFeature.WriteEnumUsingToString,
            SerializerFeature.WriteMapNullValue,
            SerializerFeature.WriteDateUseDateFormat);
    fastJsonConfig.setSerializeFilters(new ValueFilter() {
        @Override
        public Object process(Object o, String s, Object source) {
            if (source == null) {
                return "";
            }
            if (source instanceof Date) {
                return ((Date) source).getTime();
            }
            return source;
        }
    });
    httpMessageConverter.setFastJsonConfig(fastJsonConfig);
    return httpMessageConverter;
}
 

@Override
public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
    FastJsonHttpMessageConverter httpMessageConverter = new FastJsonHttpMessageConverter();
    FastJsonConfig fastJsonConfig = new FastJsonConfig();
    fastJsonConfig.setSerializerFeatures(SerializerFeature.QuoteFieldNames,
            SerializerFeature.WriteEnumUsingToString,
            SerializerFeature.WriteMapNullValue,
            SerializerFeature.WriteDateUseDateFormat);
    fastJsonConfig.setSerializeFilters(new ValueFilter() {
        @Override
        public Object process(Object o, String s, Object source) {
            if (source == null) {
                return "";
            }
            if (source instanceof Date) {
                return ((Date) source).getTime();
            }
            return source;
        }
    });
    httpMessageConverter.setFastJsonConfig(fastJsonConfig);
    converters.add(httpMessageConverter);
}
 

@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
public HttpMessageConverter httpMessageConverter() {
    FastJsonHttpMessageConverter fastConverter = new FastJsonHttpMessageConverter();
    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);
    return fastConverter;
}
 

@Override
public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
    super.configureMessageConverters(converters);

    FastJsonHttpMessageConverter fastConverter = new FastJsonHttpMessageConverter();

    FastJsonConfig fastJsonConfig = new FastJsonConfig();

    // PrettyFormat:结果是否格式化，默认为false
    // WriteMapNullValue:是否输出值为null的字段，默认为false
    // DisableCircularReferenceDetect:消除对同一对象循环引用的问题，默认为false
    fastJsonConfig.setSerializerFeatures(
            SerializerFeature.PrettyFormat,
            SerializerFeature.WriteMapNullValue,
            SerializerFeature.DisableCircularReferenceDetect
    );
    fastConverter.setFastJsonConfig(fastJsonConfig);

    converters.add(fastConverter);
}
 

/**
 * 自定义消息转换器：使用 Fastjson 替换 Spring Boot 默认使用的 Jackson
 *
 * @param converters 消息转换器
 */
@Override
public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
    // 清除默认 Json 转换器
    converters.removeIf(converter -> converter instanceof MappingJackson2HttpMessageConverter);

    // 配置 FastJson
    FastJsonConfig config = new FastJsonConfig();
    config.setSerializerFeatures(SerializerFeature.QuoteFieldNames, SerializerFeature.WriteEnumUsingToString,
        SerializerFeature.WriteMapNullValue, SerializerFeature.WriteDateUseDateFormat);

    // 添加 FastJsonHttpMessageConverter
    FastJsonHttpMessageConverter fastJsonHttpMessageConverter = new FastJsonHttpMessageConverter();
    fastJsonHttpMessageConverter.setFastJsonConfig(config);
    List<MediaType> fastMediaTypes = new ArrayList<>();
    fastMediaTypes.add(MediaType.APPLICATION_JSON_UTF8);
    fastJsonHttpMessageConverter.setSupportedMediaTypes(fastMediaTypes);
    converters.add(fastJsonHttpMessageConverter);

    // 添加 StringHttpMessageConverter，解决中文乱码问题
    StringHttpMessageConverter stringHttpMessageConverter = new StringHttpMessageConverter(StandardCharsets.UTF_8);
    converters.add(stringHttpMessageConverter);


}
 

@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
public FastJsonHttpMessageConverter fastJsonHttpMessageConverter() {
    FastJsonHttpMessageConverter converter = new FastJsonHttpMessageConverter();
    FastJsonConfig fastJsonConfig = new FastJsonConfig();
    fastJsonConfig.setSerializerFeatures(
            SerializerFeature.PrettyFormat,
            SerializerFeature.WriteClassName,
            SerializerFeature.WriteMapNullValue
    );
    List<MediaType> fastMediaTypes = new ArrayList<MediaType>();
    fastMediaTypes.add(MediaType.APPLICATION_JSON_UTF8);

    fastJsonConfig.setDateFormat("yyyy-MM-dd HH:mm:ss");
    ValueFilter valueFilter = new ValueFilter() {
        public Object process(Object o, String s, Object o1) {
            if (null == o1) {
                o1 = "";
            }
            return o1;
        }
    };
    fastJsonConfig.setSerializeFilters(valueFilter);
    converter.setSupportedMediaTypes(fastMediaTypes);
    converter.setFastJsonConfig(fastJsonConfig);
    return 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);
}
 

/**
 *  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);
}
 

/**
 * <p>使用FastJson优先于默认的Jackson做json解析
 * <p>https://github.com/alibaba/fastjson/wiki/%E5%9C%A8-Spring-%E4%B8%AD%E9%9B%86%E6%88%90-Fastjson
 */
@Override
public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
	// 1. 确认是否启用FastJsonHttpMessageConverter
	if (!webProperties.isEnabledFastJsonHttpMessageConverter()) {
		return;
	}
	
	// 2. 配置FastJsonHttpMessageConverter
	FastJsonHttpMessageConverter converter = new FastJsonHttpMessageConverter();
	FastJsonConfig config = new FastJsonConfig();
	config.setDateFormat(JSON.DEFFAULT_DATE_FORMAT);
	config.setSerializerFeatures(
			SerializerFeature.PrettyFormat, 
			SerializerFeature.BrowserCompatible, 
			SerializerFeature.WriteMapNullValue, 
			SerializerFeature.WriteNullBooleanAsFalse,
			SerializerFeature.WriteNullListAsEmpty, 
			SerializerFeature.WriteNullNumberAsZero,
			SerializerFeature.WriteNullStringAsEmpty
	);
	converter.setFastJsonConfig(config);
	converters.add(0, converter);
	
	log.info("【初始化配置-FastJsonHttpMessageConverter】默认配置为false，当前环境为true：使用FastJson优先于默认的Jackson做json解析 ... 已初始化完毕。");
}
 

@Override
public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
    FastJsonHttpMessageConverter fastJsonHttpMessageConverter = new FastJsonHttpMessageConverter();
    FastJsonConfig config = new FastJsonConfig();
    config.setDateFormat("yyyy-MM-dd HH:mm:ss");
    fastJsonHttpMessageConverter.setFastJsonConfig(config);
    converters.add(fastJsonHttpMessageConverter);
    converters.add(resourceHttpMessageConverter);
    super.configureMessageConverters(converters);
}