fzitou/Receipt Handle.MD

Created September 9, 2020 03:25

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Receipt Handle.MD

http://docs.api.xiaomi.net/emq/BasicConcept.html

Receipt Handle

每条成功接收的Message中，除Message Body与Message Id外，还将包含一个全局唯一的Receipt Handle。Receiver正确处理这条消息后，需使用Receipt Handle从Queue中删除这条Message。否则，这条消息将在一段时间后，重新变成可见状态，并被Receiver再次接收。如果这种情况发生，再次接收到的Message的Receipt Handle将与前一次不同。