vue 使用mqtt即使通讯协议

<template>
  <div>
    <p></p>
  </div>
</template>
<script>
import { uuid } from "vue-uuid";
export default {
  name: "MqttConnect",
  props: {},
  data() {
    return {
      config: {},
      reconnectTimeout: 2000,
      mqtt: null,
      msg: "",
      topic: "mqtt", // 订阅的主题
    };
  },
  watch: {},
  mounted() {
    this.config = {
      host: "192.168.1.10",
      port: 31800,
      addtopic: "get/test",
      useTLS: false,
      username: "redgex",
      password: "redgex",
      cleansession: false,
    };
    this.MQTTconnect(this.config);
  },
  methods: {
    MQTTconnect(config) {
      this.mqtt = new window.Paho.MQTT.Client( // 实例化一个对象
        config.host,
        config.port,
        "client" + uuid.v1() // 防止多个浏览器打开，导致的问题，保证唯一性
      );
      var options = {
        timeout: 10,
        useSSL: config.useTLS,
        cleanSession: config.cleansession,
        // 如果为false(flag=0)，Client断开连接后，Server应该保存Client的订阅信息。如果为true(flag=1)，表示Server应该立刻丢弃任何会话状态信息。
        onSuccess: this.onConnect,
        onFailure: function(message) {
          console.log(message);
          // 连接失败定时重连
          setTimeout(this.MQTTconnect, this.reconnectTimeout);
        },
      };
      this.mqtt.onConnectionLost = this.onConnectionLost; // 注册连接断开处理事件
      this.mqtt.onMessageArrived = this.onMessageArrived; // 注册消息接收处理事件
      // 用户名和密码的验证，我这里都为空；不加验证
      if (config.username != null) {
        options.userName = config.username;
        options.password = config.password;
      }
      this.mqtt.connect(options); // 连接服务器并注册连接成功处理事件
    },
    onConnectionLost: function(responseObject) {
      if (responseObject.errorCode !== 0) {
        console.log("onConnectionLost:" + responseObject.errorMessage);
        console.log("连接已断开");
      }
    },
    onMessageArrived: function(message) {
      this.$emit("postData", message);
    },
    onConnect: function() {
      console.log("onConnected");
      this.mqtt.subscribe(this.config.addtopic); // 订阅主题
      // 发布一个消息，再连接成功后，发送一个响应，确保连接没有问题；
      // this.mqtt.send(‘login‘, ‘{"command":"login","clientId":"‘ + this.mqtt.clientId + ‘"}‘, 0);
    },
    mqttHandleclick(status) {
      if (!status && this.mqtt) {
        this.mqtt.disconnect();
        this.mqtt = null;
      }
    },
  },
};
</script>
<style>
.apps {
  width: 100%;
  overflow: hidden;
}
</style>