立足于SpringCloud.H + Netflix-Ribbon + Hystrix断路器（9）

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继续上一篇，接下来Springcloud配置Netflix-Ribbon集成Hystrix断路器的功能。

1、添加依赖

<!--使用hystrix，测试断路器-->
<dependency>
    <groupId>org.springframework.cloud</groupId>
    <artifactId>spring-cloud-starter-netflix-hystrix</artifactId>
</dependency>

2、启动类

@EnableHystrix

3、controller层

修改之前的controller层，添加hystrix特有的fallbackMethod进行断路器

@RequestMapping(value = "/ribbon")
@RestController
public class LoadBalanceController {
    private Logger logger = LoggerFactory.getLogger(LoadBalanceController.class);

    @Autowired
    RestTemplate restTemplate;

    @GetMapping(value = "/toLoadBalance")
    @HystrixCommand(fallbackMethod = "ribbonHystrixError")
    public void toLoadBalance(){
        for (int i = 0; i < 10; i++){
            String str = restTemplate.getForObject("http://eureka-client/testRabbion",String.class);
            logger.info(str);
        }
    }

    public void ribbonHystrixError(){
        logger.info("ribbon error");
    }
}