// user-api 子項(xiàng)目
public interface SysUserResource {
 @GetMapping("/test")
 Object getUser();
}
// user-client 子項(xiàng)目 , 依賴了user-api 子項(xiàng)目
// 其他業(yè)務(wù)模塊可以直接依賴此模塊，通過調(diào)用接口即可完成服務(wù)的遠(yuǎn)程調(diào)用，open-feign會對此類做動態(tài)代理
// name = "user-center" 是被調(diào)用的服務(wù)實(shí)例名稱
@FeignClient(name = "user-center")
public interface SysUserResourceClient extends SysUserResource {
}
// user-impl 子項(xiàng)目
@RestController
public class SysUserResourceImpl implements SysUserResource  {
 @Override
 Object getUser(){
  // do something
 }
}
// role-impl 子項(xiàng)目 , 依賴了 user-client 子項(xiàng)目
@RestController
public class SysRoleResourceImpl implements SysRoleResource  {
 @Resource
 private SysUserResource  sysUserResource;
 
 @Override
 Object test(){
  sysUserResource.getUser();
 }
}

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <parent>
        <artifactId>cloud1000</artifactId>
        <groupId>com.zs.springcloud</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>
    <artifactId>cloud-consumer-order80-feign</artifactId>
    <!--openfeign-->
    <dependencies>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-openfeign</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-actuator</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <scope>runtime</scope>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>com.zs.springcloud</groupId>
            <artifactId>cloud-api-commons</artifactId>
            <version>1.0-SNAPSHOT</version>
            <scope>compile</scope>
        </dependency>
    </dependencies>
</project>

server:
  port: 80
eureka:
  client:
    register-with-eureka: false
    service-url:
      defaultZone: http://eureka7001.com:7001/eureka, http://eureka7002.com:7002/eureka

@SpringBootApplication
@EnableFeignClients
public class OrderMain80Feign {
    public static void main(String[] args) {
        SpringApplication.run(OrderMain80Feign.class, args);
    }
}

@Component
@FeignClient(value = "CLOUD-PAYMENT-SERVICE")
public interface PaymentFeignService {
    @GetMapping(value = "/payment/get/{id}")
    public CommonResult<?> getPaymentById(@PathVariable("id") Long id);
}

@RestController
public class OrderFeignController {
    @Autowired
    private PaymentFeignService paymentFeignService;
    @GetMapping(value = "/consumer/payment/get/{id}")
    public CommonResult<?> getPaymentById(@PathVariable("id") Long id) {
        return paymentFeignService.getPaymentById(id);
    }
}

@GetMapping(value = "/payment/feign/timeout")
    public String paymentFeignTimeout(){
        try { TimeUnit.SECONDS.sleep(3); }catch (Exception e) {e.printStackTrace();}
        return serverPort;
    }

@GetMapping(value = "/payment/feign/timeout")
    public String paymentFeignTimeout();

  @GetMapping(value = "/consumer/payment/feign/timeout")
    public String paymentFeignTimeout(){
        return paymentFeignService.paymentFeignTimeout();
    }

ribbon: #根
  ReadTimeout:  5000
  ConnectTimeout: 5000

@Configuration
public class FeignConfig {
    @Bean
    Logger.Level feignLoggerLevel(){
        return Logger.Level.FULL;
    }
}

logging:
  level:
    com.zs.springcloud.service.PaymentFeignService: debug