<dependency>
      <groupId>org.springframework.cloud</groupId>
      <artifactId>spring-cloud-starter-feign</artifactId>
    </dependency>

@FeignClient(name="SPRING-PRODUCER-SERVER/spring")
public interface FeignUserClient {
 @RequestMapping( value = "/findAll/{name}",method = RequestMethod.GET)
 public List<SpringUser> findAll(@PathVariable("name") String name);
 
 @RequestMapping( value = "/findUserPost",method = RequestMethod.POST)
 public SpringUser findUserPost(@RequestBody SpringUser springUser);//复合类型好像默认是POST请求
}

@Configuration
@ComponentScan
@EnableAutoConfiguration
@EnableEurekaClient
@EnableFeignClients
public class SpringConsumerServerFeignApplication {
  public static void main(String[] args) {
    SpringApplication.run(SpringConsumerServerFeignApplication.class, args);
  }
}

spring:
 application:
 name: spring-consumer-server-feign
server: 
 port: 8084
 context-path: /spring
#服务注册中心的配置内容，指定服务注册中心的位置
eureka:
 client:
 serviceUrl:
  defaultZone: http://user:password@localhost:8761/eureka/

@Configuration
public class FooConfiguration {
  @Bean
  public Contract feignContract() {
    //这将SpringMvc Contract 替换为feign.Contract.Default
    return new feign.Contract.Default();
  }
}

@FeignClient(name="SPRING-PRODUCER-SERVER/spring",configuration=FooConfiguration.class)
public interface FeignUserClient {
  @RequestLine("GET /findAll/{name}")
  public List<SpringUser> findAll(@Param("name") String name);  
 /* @RequestMapping( value = "/findAll/{name}",method = RequestMethod.GET)
 public List<SpringUser> findAll(@PathVariable("name") String name);
 
 @RequestMapping( value = "/findUserPost",method = RequestMethod.POST)
 public SpringUser findUserPost(@RequestBody SpringUser springUser);*/
}

logging:
 level:
 com.jalja.org.spring.simple.dao.FeignUserClient: DEBUG 

@Configuration
public class FooConfiguration {
  /* @Bean
  public Contract feignContract() {
    //这将SpringMvc Contract 替换为feign.Contract.Default
    return new feign.Contract.Default();
  }*/
  @Bean
  Logger.Level feignLoggerLevel() {
    //设置日志
    return Logger.Level.FULL;
  }
}