55 lines
1.1 KiB
Go
55 lines
1.1 KiB
Go
package main
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import (
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"encoding/json"
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"fmt"
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"os"
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"time"
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mqtt "github.com/eclipse/paho.mqtt.golang"
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)
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func main() {
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broker := "wss://broker.emqx.io:8084/mqtt"
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clientID := "Mqttx_07c4e9ed"
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username := "1"
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password := "1"
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topic := "$dp"
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opts := mqtt.NewClientOptions()
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opts.AddBroker(broker)
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opts.SetClientID(clientID)
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opts.SetUsername(username)
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opts.SetPassword(password)
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opts.SetProtocolVersion(4)
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opts.SetKeepAlive(60 * time.Second)
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opts.SetAutoReconnect(true)
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opts.SetCleanSession(true)
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c := mqtt.NewClient(opts)
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if t := c.Connect(); t.Wait() && t.Error() != nil {
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fmt.Printf("connect error: %v\n", t.Error())
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os.Exit(1)
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}
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defer c.Disconnect(250)
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// 构造所需数据格式（仅设备与时间变更）
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payload := map[string]any{
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"type": "hws",
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"device": "Z866",
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"Dm": 0.0001,
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"Pa": 976.7,
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"Rc": 0,
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"Sm": 0.0001,
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"Ta": 39,
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"Ua": 26.6,
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"time": time.Now().UnixMilli(),
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}
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b, _ := json.Marshal(payload)
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if t := c.Publish(topic, 1, false, b); t.Wait() && t.Error() != nil {
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fmt.Printf("publish error: %v\n", t.Error())
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os.Exit(2)
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}
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fmt.Println("published to", topic)
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}
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