39 lines
1.0 KiB
Go
39 lines
1.0 KiB
Go
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package main
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import (
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"fmt"
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uuid "github.com/satori/go.uuid"
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iot "huaweicloud-iot-device-sdk-go"
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"time"
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)
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func main() {
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// 创建一个设备并初始化
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device := iot.CreateIotDevice("5fdb75cccbfe2f02ce81d4bf_go-mqtt", "123456789", "tcp://iot-mqtts.cn-north-4.myhuaweicloud.com:1883")
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device.Init()
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// 注册平台下发消息的callback,当收到平台下发的消息时,调用此callback.
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// 支持注册多个callback,并且按照注册顺序调用
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device.AddMessageHandler(func(message iot.Message) bool {
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fmt.Println("first handler called" + iot.Interface2JsonString(message))
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return true
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})
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device.AddMessageHandler(func(message iot.Message) bool {
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fmt.Println("second handler called" + iot.Interface2JsonString(message))
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return true
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})
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//向平台发送消息
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message := iot.Message{
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ObjectDeviceId: uuid.NewV4().String(),
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Name: "Fist send message to platform",
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Id: uuid.NewV4().String(),
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Content: "Hello Huawei IoT Platform",
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}
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device.SendMessage(message)
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time.Sleep(2 * time.Minute)
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}
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