spring cloud hystrix 回调的使用

1 引入依赖

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

2 使用注解

@HystrixCommand(fallbackMethod = "defaultDataServer")

3 实现回调的方法

private String dafaultDataServer(){
    return "data server is down!";
}