ly-front/src/views/index.vue

<template>
  <div id="home">
    <contentData id="contentData" :signaData="signaData" :homeData="homeData" />
    <map-control id="mapControl" :signaData="signaData" :homeData="homeData" />
  </div>
</template>

<script>
"use script";
import mapControl from "./mapControl/index.vue";
import contentData from "./contentData/index.vue";
import { Homeview } from "@/api/home.js";
import * as signalR from "@microsoft/signalr";
export default {
  name: "HomeIndex",
  data() {
    return {
      signaData: [],
      homeData: {},
      timeInterval: null,
      intervalTime: null
    };
  },
  components: {
    mapControl,
    contentData
    // whiteListForm
  },
  created() {
    this.initSocket();
  },
  mounted() {
    this.initHomeData();
    this.timeInterval = setInterval(() => {
      this.initHomeData();
    }, 2000);
  },
  methods: {
    initHomeData() {
      Homeview({ time: new Date() }).then((res) => {
        if (res.code === 0) {
          this.homeData = res.data;
        }
      });
    },
    initSocket() {
      let connection;
      let isReconnecting = false;
      let _this = this;

      function establishConnection() {
        if (connection) {
          connection.stop().catch((err) => console.error("停止连接失败:", err));
        }

        let wPath = window.document.location.href;
        let pathName = _this.$route.path;
        let pos = wPath.indexOf(pathName);
        let localhostPath = wPath.substring(0, pos);
        let uploadUrl =
          process.env.VUE_APP_API_URL === "/"
            ? localhostPath
            : process.env.VUE_APP_API_URL;
        connection = new signalR.HubConnectionBuilder()
          .withUrl(uploadUrl + "/websocket", {
            skipNegotiation: true,
            transport: signalR.HttpTransportType.WebSockets
          })
          .configureLogging(signalR.LogLevel.Information)
          .build();

        connection.on("ReceiveMessage", function (message) {
          if (JSON.parse(message).data !== "hello") {
            let { data } = JSON.parse(message);
            _this.signaData = data;
          }
        });

        connection.serverTimeoutInMilliseconds = 30 * 60 * 1000;

        connection
          .start()
          .then(() => {
            console.log("连接成功！");
            isReconnecting = false;
            clearInterval(_this.intervalTime);
            _this.intervalTime = null;
          })
          .catch((err) => {
            console.error("连接失败:", err.toString());
            if (!isReconnecting) {
              reconnectWithDelay();
            }
          });

        connection.onclose(() => {
          console.log("连接关闭，正在尝试重新连接...");
          if (!isReconnecting) {
            reconnectWithDelay();
          }
        });
      }
      function reconnectWithDelay() {
        isReconnecting = true;
        _this.intervalTime = setInterval(() => {
          console.log("正在尝试重新连接...");
          establishConnection();
        }, 5000); // 等待5秒后尝试重新连接
      }

      establishConnection(); // 初始化连接
    }
  },
  // 页面销毁
  beforeDestroy() {
    clearInterval(this.timeInterval);
  }
};
</script>
<style scoped lang="scss"></style>