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Merge pull request #8 from cgoder/patch-1

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修正publish控制包固定包头第1字节低4位的描述。
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Xiaoke Zhang
2017-02-14 15:56:43 +08:00
committed by GitHub
parent 349a49d8af a659c49db8
commit 82747ecfa3
1 changed files with 2 additions and 2 deletions
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mqtt/0303-PUBLISH.md
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@@ -10,8 +10,8 @@ PUBLISH控制报文是指从客户端向服务端或者服务端向客户端传
| **Bit** | **7** | **6** | **5** | **4** | **3** | **2** | **1** | **0** |
|---------|----------------------|-------|---------|--------|-------|-------|-------|-------|
| byte 1 | MQTT控制报文类型 (3) | DUP | QoS等级 | RETAIN |
| | 0 | 0 | 1 | 1 | X | X | X | X |
| byte 1 | MQTT控制报文类型 (3) |       |         |       | DUP   | QoS-H | QoS-  | RETAIN|
| | 0 | 0 | 1 | 1 | | | | |
| byte 2 | 剩余长度 |
#### 重发标志 DUP