openfeign配置sentinel进行服务降级

<dependency>
    <groupId>com.alibaba.cloud</groupId>
    <artifactId>spring-cloud-starter-alibaba-sentinel</artifactId>
</dependency>
<dependency>
    <groupId>com.alibaba.cloud</groupId>
    <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
</dependency>
<dependency>
    <groupId>org.springframework.cloud</groupId>
    <artifactId>spring-cloud-starter-openfeign</artifactId>
</dependency>

feign:
  sentinel:
    enabled: true

@Component
@FeignClient(name = "nacos-payment-provider",fallback = PaymentServiceFallback.class)
public interface PaymentService {

    @GetMapping(value = "/payment/nacos/{id}")
    public String getPayment(@PathVariable("id") Long id);

}

@Component
public class PaymentServiceFallback implements PaymentService {
    @Override
    public String getPayment(Long id) {
        return "服务降级";
    }
}