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[帮助文档] MQTT的Token模式下Token的上传、更新、信息监听

本文介绍云消息队列 MQTT 版客户端在Token模式下如何上传Token、更新Token、监听Token失效信息以及监听Token非法信息。

[帮助文档] MQTT签名的计算方式及校验

如果您需使用云消息队列 MQTT 版的签名鉴权模式，可根据本文提供的签名计算方式获取签名，再使用控制台来验证计算得出的签名是否正确。

[帮助文档] 如何使用MQTT的P2P消息收发模式

除了标准MQTT协议所支持的发布/订阅（Pub/Sub）消息收发模式外，云消息队列 MQTT 版还支持点对点（Point to Point，简称P2P）模式。本文介绍P2P模式的概念、原理以及如何使用云消息队列 MQTT 版点对点收发消息。

[帮助文档] 如何使用MQTT数据流模式上传文件

MQTT数据流模式适用于未知文件大小的上传，例如边采集边上传的录音文件，无法确定停止时文件的具体大小，可以通过MQTT数据流模式来上传文件。

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