contextId 的使用一般是调用同一个服务，但是分多个接口

比如调用同一个 member 服务可以通过 contextId 来区分开，否则就会报错 bean 冲突

1
2
3
4
5
6
7
8
/**
 * @author 小五
 */
@FeignClient(contextId = "MemberAFeign", value = ServiceNameConstants.MEMBER_SERVICE,
        fallbackFactory = MemberFeignAFallbackFactory.class)
public interface MemberAFeign {
	...
}
1
2
3
4
5
6
7
8
/**
 * @author 小五
 */
@FeignClient(contextId = "MemberBFeign", value = ServiceNameConstants.MEMBER_SERVICE,
        fallbackFactory = MemberFeignBFallbackFactory.class)
public interface MemberBFeign {
	...
}