问Mosca MQTT -客户立即不受任何限制

EN

mqttServ.on('subscribed', (topic, client) => {
  mqttServ.publish({
    topic: topic,
    payload: `client ${client.id} subscribed`,
    qos: 1
  }, client)
})

mqttServ.on('unsubscribed', (topic, client) => {
  console.log(
    `client ${client.id} unsuscribed from topic ${topic}`
  )
})

client.on('connect', () => {
  client.subscribe('goodmorning')
})

client.on('message', (topic, payload) => {
  console.log([topic, payload].join(": "))
  client.end()
})