springboot restTemplate配置-蒲公英云

springboot restTemplate配置

spring template配置示例

@Bean
    public RestTemplate restTemplate() {
        SimpleClientHttpRequestFactory requestFactory = new SimpleClientHttpRequestFactory();
        requestFactory.setConnectTimeout(6000);// 设置建立连接超时时间  毫秒
        requestFactory.setReadTimeout(6000);// 设置读取数据超时时间  毫秒
        RestTemplate restTemplate = new RestTemplate(requestFactory);
        // jackson配置
        ObjectMapper objectMapper = new ObjectMapper();
        // 配置如果被序列化的对象没有可访问的属性  不报错，返回一个空的bean,即{}
        objectMapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
        // 创建json消息转换器
        MappingJackson2HttpMessageConverter jacksonConverter = new MappingJackson2HttpMessageConverter(objectMapper);
        List<MediaType> mediaTypes = new ArrayList<>(jacksonConverter.getSupportedMediaTypes());
        // 为json消息转换器新增直接text_plain类型  避免遇到响应体是json,而响应头是text/plain类型无法找到适合的解析
        mediaTypes.add(MediaType.TEXT_PLAIN);
        jacksonConverter.setSupportedMediaTypes(mediaTypes);
        List<HttpMessageConverter<?>> messageConverters = Arrays.asList(
                new ByteArrayHttpMessageConverter(),
                new StringHttpMessageConverter(Charset.forName("utf-8")),
                new ResourceHttpMessageConverter(),
                new SourceHttpMessageConverter<>(),
                new FormHttpMessageConverter(),
                jacksonConverter
        );
        restTemplate.setMessageConverters(messageConverters);
        return restTemplate;
    }

各种解析器默认支持的类型表

类名	支持的JavaType	支持的MediaType
ByteArrayHttpMessageConverter	byte[]	application/octet-stream, /
StringHttpMessageConverter	String	text/plain, /
ResourceHttpMessageConverter	Resource	/
SourceHttpMessageConverter	Source	application/xml, text/xml, application/+xml
AllEncompassingFormHttpMessageConverter	Map<K, List<?>>	application/x-www-form-urlencoded, multipart/form-data
MappingJackson2HttpMessageConverter	Object	application/json, application/+json
Jaxb2RootElementHttpMessageConverter	Object	application/xml, text/xml, application/+xml
JavaSerializationConverter	Serializable	x-java-serialization;charset=UTF-8
FastJsonHttpMessageConverter	Object	/*