Merge remote-tracking branch 'origin/Four-Way-Rack' into Four-Way-Rack

Junjie

2024-04-03 28cd840d5d383968bf1a2269193b18fa8e530725

 zy-asrs-flow/src/pages/map/websocket.js

@@ -1,42 +1,84 @@
export const createWs = () => {
    console.log('Creating WebSocket connection...');
    const webSocket = new WebSocket('ws://127.0.0.1:9090/wcs/map/websocket');
import { WEBSOCKET_BASE_URL } from '@/config/setting';

    // 连接打开时触发
    webSocket.onopen = function (event) {
        console.log('WebSocket connection opened:', event);
        // 在此添加可以在连接打开时发送的任何消息
        // webSocket.send('Hello Server!');
    };
export default class WebSocketClient {

    // 从服务器接收到消息时触发
    webSocket.onmessage = function (event) {
        console.log('WebSocket message received:', event.data);
        // 在这里处理接收到的消息
    };
    constructor(path) {
        this.url = WEBSOCKET_BASE_URL + path;
        this.webSocket = null;
        this.heartbeatInterval = null; // Store the interval ID
        this.heartbeatFrequency = 30000; // Heartbeat every 10 seconds
    }

    // 出现错误时触发
    webSocket.onerror = function (event) {
        console.error('WebSocket error observed:', event);
        // 在这里处理WebSocket错误
    };

    // 连接关闭时触发
    webSocket.onclose = function (event) {
        console.log('WebSocket connection closed:', event);
        // 在这里处理连接关闭事件
        // 你可能想要重新连接或对用户进行友好提示
    };

    // 请求关闭WebSocket连接（主动关闭），你可以从其他函数调用这个
    const closeWebSocket = () => {
        if (webSocket.readyState === WebSocket.OPEN) {
            webSocket.close(); // 这将触发'onclose'事件
    connect() {
        if (!this.url) {
            console.error('WebSocketClient: Cannot connect without url.');
            return;
        }
    };

    return {
        webSocket,
        closeWebSocket
    };
};
        this.webSocket = new WebSocket(this.url);

        this.webSocket.onopen = (event) => {
            console.log('websocket connection opened.');
            // Start the heartbeat
            this.startHeartbeat();
        };

        this.webSocket.onmessage = (event) => {
            console.log('websocket message received:', event.data);
            this.onMessage(event.data);
        };

        this.webSocket.onerror = (event) => {
            console.error('websocket error observed:', event);
        };

        this.webSocket.onclose = (event) => {
            console.log('websocket connection closed!');
            // Clear the heartbeat
            this.stopHeartbeat();   
            this.reconnect();
        };
    }

    sendMessage(message) {
        if (this.webSocket && this.webSocket.readyState === WebSocket.OPEN) {
            this.webSocket.send(message);
        } else {
            console.error('WebSocketClient: Cannot send message, WebSocket connection is not open.');
        }
    }

    onMessage(data) {
        // 子类可能会重写这个方法来处理消息
        console.log('WebSocketClient: Message received:', data);
    }

    close() {
        if (this.webSocket && this.webSocket.readyState === WebSocket.OPEN) {
            this.webSocket.close();
        }
    }

    reconnect() {
        setTimeout(() => {
            console.log('WebSocketClient: Attempting to reconnect...');
            this.connect();
        }, 3000);
    }

    startHeartbeat() {
        if(this.heartbeatInterval) {
            clearInterval(this.heartbeatInterval);
        }
        this.heartbeatInterval = setInterval(() => {
            this.sendMessage('1');
        }, this.heartbeatFrequency);
    }

    stopHeartbeat() {
        if (this.heartbeatInterval) {
            clearInterval(this.heartbeatInterval);
            this.heartbeatInterval = null;
        }
    }
}