@startuml
Creator -> Miner: storage requirements
Miner --> Creator : store service information
@enduml
->:发送同步消息-->:返回消息
呈现结果
![[外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-5vtc8NWJ-1668178786202)(assets/image-20221102084539-ko9woo1.png)]](https://1000bd.com/contentImg/2024/04/24/0584d59407da0c91.png)
一般用于描述一个任务的整体运行状况
@startuml
participant Creator
participant Miner
Creator -> StorageDemandSquare: storage requirements
activate StorageDemandSquare
StorageDemandSquare -> Miner : storage requirements
activate Miner
destroy StorageDemandSquare
Miner --> Creator : store service information
@enduml
activate和deactivate:参与者的生命活动激活、撤销
destroy:生命线的摧毁:
实现结果
![[外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-hz9fMEDe-1668178786202)(assets/image-20221102090200-nrxs1m6.png)]](https://1000bd.com/contentImg/2024/04/24/c60bb6f4e9efb2a6.png)
可以根据上下文信息智能的判断,返回到哪一个点,还可以传递信息过去;
@startuml
Creator -> Miner : Digital content storage transactions
return Sign digital content storage transactions
@enduml
实现结果
![[外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-wYUTHnkL-1668178786203)(assets/image-20221102091523-llwfazw.png)]](https://1000bd.com/contentImg/2024/04/24/44a121091213399c.png)