Finish the outlined implementation of the event channel above and rewrite the message mailer to be a multi-adapter.

完成上述事件通道的大致实现并将消息邮件收发器重写成多适配器。

youdao

Finish the outlined implementation of the event channel above and rewrite the message mailer to be a multi-adapter.

完成上述事件通道的大致实现并将消息邮件收发器重写成多适配器。

youdao