@Configuration
public class RestTemplateManager {
    @Resource
    private LoadBalancerInterceptor loadBalancerInterceptor;

    /**
     * Time:millisecond
     * @param readtimout
     * @param connectionRequestTimeout
     * @param connectTimeout
     * @return HttpComponentsClientHttpRequestFactory
     */
    public HttpComponentsClientHttpRequestFactory getHttpRequestFactory(int readtimout,int connectionRequestTimeout,int connectTimeout) {
        HttpComponentsClientHttpRequestFactory factory = new HttpComponentsClientHttpRequestFactory();
        factory.setReadTimeout(readtimout);
        factory.setConnectionRequestTimeout(connectionRequestTimeout);
        factory.setConnectTimeout(connectTimeout);
        factory.setBufferRequestBody(false);
        return factory;
    }

    @Bean
    @Scope("prototype")
    public RestTemplate getConfigRestTemplate(HttpComponentsClientHttpRequestFactory factory) {
        RestTemplate restTemplate = new RestTemplate();
        //解決編碼問題
        restTemplate.getMessageConverters().set(1, new StringHttpMessageConverter(StandardCharsets.UTF_8));
        restTemplate.setRequestFactory(factory);
        //add loadbalancerInterceptor,list is empty default
        restTemplate.getInterceptors().add(loadBalancerInterceptor);
        return restTemplate;
    }

    @Bean
    @LoadBalanced
    public RestTemplate getRestTemplate() {
        RestTemplate restTemplate = new RestTemplate();
        //解決編碼問題
        restTemplate.getMessageConverters().set(1, new StringHttpMessageConverter(StandardCharsets.UTF_8));
        return restTemplate;
    }
}