vue3+ts+Vuex中使用websocket协议方式

import { createStore } from 'vuex'
import { stateInt } from '../interface/storeInterface'
const state: stateInt = {
  //推送消息
  data: {},
  webSocket: null,
}
export default createStore({
  state,
  mutations: {
    //websocket初始化
    initWebsocket(state) {
      state.webSocket = new WebSocket(
          // 此处填写你要连接的ws地址
        'ws://127.0.0.1:3000/socket/' + Math.random()
      )
      //建立连接
      state.webSocket.onopen = function () {
        /*
         * 连接成功
         * */
        console.log('通讯开始')
        // 发送心跳防止ws协议自动断联
        setInterval(() => {
          state.webSocket.send('1')
        }, 1000 * 60)
      }
      //接收服务端消息
      state.webSocket.onmessage = function (e) {
        /*
         * 收到消息时回调函数
         * */
        console.log('收到的数据：', e.data)
        // 如果数据对象为字符串，可转换为对象格式
        let data = JSON.parse(e.data)
        state.data = e.data
        console.log(data)
      }
      state.webSocket.onerror = function () {
        /*
         * 通讯异常
         * */
        console.log('通讯异常')
      }
      state.webSocket.close = function () {
        /*
         * 关闭连接时回调函数
         * */
        console.log('连接已断开')
      }
    },
  },
  actions: {
  },
  modules: {},
})

export interface stateInt {
  data: Object
  webSocket: WebSocket
}

<script lang="ts" setup>
    import { onBeforeMount } from 'vue'
    import { useStore } from 'vuex'
    /**
     * 仓库
     */
    const store = useStore()
    //websocket初始化
    const initSocket = () => {
      store.commit('initWebsocket')
    }
    
    onBeforeMount(() => {
      //console.log('2.组件挂载页面之前执行----onBeforeMount')
      initSocket()
    })
</script>

var websock = null;
var global_callback = null;
var serverPort = "80"; // webSocket连接端口
var wsuri = "ws://" + window.location.hostname + ":" + serverPort;
function createWebSocket(callback) {
  if (websock == null || typeof websock !== WebSocket) {
    initWebSocket(callback);
  } 
}
function initWebSocket(callback) {
  global_callback = callback;
  // 初始化websocket
  websock = new WebSocket(wsuri);
  websock.onmessage = function (e) {
    websocketonmessage(e);
  };
  websock.onclose = function (e) {
    websocketclose(e);
  };
  websock.onopen = function () {
    websocketOpen();
  };
  // 连接发生错误的回调方法
  websock.onerror = function () {
    console.log("WebSocket连接发生错误");
     //createWebSocket();啊，发现这样写会创建多个连接，加延时也不行
  };
}
// 实际调用的方法
function sendSock(agentData ) {
  
  if (websock.readyState === websock.OPEN) {
    // 若是ws开启状态
    websocketsend(agentData);
  } else if (websock.readyState === websock.CONNECTING) {
    // 若是 正在开启状态，则等待1s后重新调用
    setTimeout(function () {
      sendSock(agentData);
    }, 1000);
  } else {
    // 若未开启 ，则等待1s后重新调用
    setTimeout(function () {
      sendSock(agentData);
    }, 1000);
  }
}
function closeSock() {
  websock.close();
}
// 数据接收
function websocketonmessage(msg) {
  // console.log("收到数据："+JSON.parse(e.data));
  // console.log("收到数据："+msg);
  // global_callback(JSON.parse(msg.data));
  // 收到信息为Blob类型时
  let result = null;
  // debugger
  if (msg.data instanceof Blob) {
    const reader = new FileReader();
    reader.readAsText(msg.data, "UTF-8");
    reader.onload = (e) => {
      result = JSON.parse(reader.result);
      //console.log("websocket收到", result);
      global_callback(result);
    };
  } else {
    result = JSON.parse(msg.data);
    //console.log("websocket收到", result);
    global_callback(result);
  }
}
// 数据发送
function websocketsend(agentData) {
  console.log("发送数据：" + agentData);
  websock.send(agentData);
}
// 关闭
function websocketclose(e) {
  console.log("connection closed (" + e.code + ")");
}
function websocketOpen(e) {
  console.log("连接打开");
}
export { sendSock, createWebSocket, closeSock };

import { sendSock, createWebSocket, closeSock } from "@/api/socket";

created() {
    this.init();
    ......
  },
  methods: {
    init() {
      createWebSocket(this.global_callback);
      ......
    },
 
    // websocket的回调函数，msg表示收到的消息
    global_callback(msg) {
      console.log("websocket的回调函数收到服务器信息：" + JSON.stringify(msg));
      // console.log("收到服务器信息：" + msg);
     
      switch (msg.operate) {//
        case "autoIndex":
          this.$store.dispatch("setAutoIndex", msg);
          break;
        case "allChannelSwitch":
          this.$store.dispatch("setAllChannelSwitch", msg);
          break;
        case "singleChannelSwitch":
          this.$store.dispatch("setSingleChannelSwitch", msg);
          break;
        case "sceneSelect":
          this.$store.dispatch("setSceneSelect", msg);
          break;
          ......
      }
    },
  },

import { sendSock } from "@/api/socket";

 var sendData = {
        operate:"singleChannelSwitch",
        index:index+1,
        opera:row.button_relay
      };
      sendSock(JSON.stringify(sendData));

import { closeSock} from "@/api/socket";

closeSock();