Spring Cloud OpenFeign 远程调用

/**
 * GitHub客户端GitHubFeign，访问GitHub开发平台API，开放平台API地址：https://www.apifox.cn/apihub/
 *
 * @author: jacklin
 * @date: 2022/6/30 21:20
 */
@FeignClient(name = "github-client", url = "https://api.github.com")
public interface GitHubFeign {


    /**
     * 查找github标准库信息
     * <p>
     * https://api.github.com/search/repositories   v
     *
     * @author: jacklin
     * @since 2022/6/30 21:27
     **/
    @GetMapping(value = "/search/repositories", produces = MediaType.APPLICATION_JSON_VALUE)
    String searchRepositories(@RequestParam("q") String q);
}

@RestController
@RequestMapping(value = "/github", produces = MediaType.APPLICATION_JSON_VALUE)
public class GithubController {

    @Resource
    private GitHubFeign gitHubFeign;

    /**
     * 查找github标准库信息
     *
     * @author: jacklin
     * @since 2022/6/30 21:36
     **/
    @GetMapping(value = "/searchRepositories")
    String searchRepositories(@RequestParam(value = "q") String q) {
        return gitHubFeign.searchRepositories(q);
    }
}

@SpringBootApplication
@EnableFeignClients
public class MambaBlockDemoApplication {

    public static void main(String[] args) {
        SpringApplication.run(MambaBlockDemoApplication.class, args);
    }
}

@Override
public void registerBeanDefinitions(AnnotationMetadata metadata, BeanDefinitionRegistry registry) {
   //注册配置
   registerDefaultConfiguration(metadata, registry);
   //注册FeignClient
   registerFeignClients(metadata, registry);
}

LinkedHashSet<BeanDefinition> candidateComponents = Set<BeanDefinition> findCandidateComponents(String basePackage)

for (BeanDefinition candidateComponent : candidateComponents) {
   if (candidateComponent instanceof AnnotatedBeanDefinition) {
      // verify annotated class is an interface
      AnnotatedBeanDefinition beanDefinition = (AnnotatedBeanDefinition) candidateComponent;
      AnnotationMetadata annotationMetadata = beanDefinition.getMetadata();
      Assert.isTrue(annotationMetadata.isInterface(), "@FeignClient can only be specified on an interface");

      Map<String, Object> attributes = annotationMetadata
            .getAnnotationAttributes(FeignClient.class.getCanonicalName());

      String name = getClientName(attributes);
      registerClientConfiguration(registry, name, attributes.get("configuration"));
      //注入到Spring容器中
      registerFeignClient(registry, annotationMetadata, attributes);
   }
}