refactor: ♻️ 提取 ROLE_ROOT 常量到 constants 目录并全局统一引用
This commit is contained in:
Ray.Hao
316
src/composables/useStomp.ts
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316
src/composables/useStomp.ts
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import { Client, IMessage, StompSubscription } from "@stomp/stompjs";
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import { Storage } from "@/utils/storage";
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import { ACCESS_TOKEN_KEY } from "@/constants/cache-keys";
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import { ref, watch } from "vue";
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export interface UseStompOptions {
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/** WebSocket 地址，不传时使用 VITE_APP_WS_ENDPOINT 环境变量 */
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brokerURL?: string;
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/** 用于鉴权的 token，不传时使用 getAccessToken() 的返回值 */
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token?: string;
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/** 重连延迟，单位毫秒，默认为 8000 */
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reconnectDelay?: number;
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/** 连接超时时间，单位毫秒，默认为 10000 */
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connectionTimeout?: number;
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/** 是否开启指数退避重连策略 */
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useExponentialBackoff?: boolean;
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/** 最大重连次数，默认为 5 */
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maxReconnectAttempts?: number;
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/** 最大重连延迟，单位毫秒，默认为 60000 */
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maxReconnectDelay?: number;
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/** 是否开启调试日志 */
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debug?: boolean;
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}
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/**
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* STOMP WebSocket连接组合式函数
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* 用于管理WebSocket连接的建立、断开、重连和消息订阅
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*/
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export function useStomp(options: UseStompOptions = {}) {
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// 默认值：brokerURL 从环境变量中获取，token 从 getAccessToken() 获取
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const defaultBrokerURL = import.meta.env.VITE_APP_WS_ENDPOINT || "";
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const brokerURL = ref(options.brokerURL ?? defaultBrokerURL);
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// 默认配置参数
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const reconnectDelay = options.reconnectDelay ?? 15000; // 默认15秒重连间隔
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const connectionTimeout = options.connectionTimeout ?? 10000;
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const useExponentialBackoff = options.useExponentialBackoff ?? false;
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const maxReconnectAttempts = options.maxReconnectAttempts ?? 3; // 最多重连3次
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const maxReconnectDelay = options.maxReconnectDelay ?? 60000;
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// 连接状态标记
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const isConnected = ref(false);
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// 重连尝试次数
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const reconnectCount = ref(0);
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// 重连计时器
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let reconnectTimer: any = null;
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// 连接超时计时器
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let connectionTimeoutTimer: any = null;
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// 存储所有订阅
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const subscriptions = new Map<string, StompSubscription>();
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// 用于保存 STOMP 客户端的实例
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let client = ref<Client | null>(null);
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/**
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* 初始化 STOMP 客户端
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*/
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const initializeClient = () => {
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if (client.value) {
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return;
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}
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// 检查WebSocket端点是否配置
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if (!brokerURL.value) {
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console.error("WebSocket连接失败: 未配置WebSocket端点URL");
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return;
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}
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// 每次连接前重新获取最新令牌，不依赖之前的token值
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const currentToken = Storage.get(ACCESS_TOKEN_KEY, "");
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// 检查令牌是否为空，如果为空则不进行连接
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if (!currentToken) {
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console.error("WebSocket连接失败：授权令牌为空，请先登录");
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return;
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}
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// 创建 STOMP 客户端
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client.value = new Client({
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brokerURL: brokerURL.value,
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connectHeaders: {
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Authorization: `Bearer ${currentToken}`,
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},
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debug: options.debug ? console.log : () => {},
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reconnectDelay: useExponentialBackoff ? 0 : reconnectDelay, // 禁用内置重连机制
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heartbeatIncoming: 4000,
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heartbeatOutgoing: 4000,
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});
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// 设置连接监听器
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client.value.onConnect = () => {
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isConnected.value = true;
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reconnectCount.value = 0;
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clearTimeout(connectionTimeoutTimer);
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console.log("WebSocket连接已建立");
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};
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// 设置断开连接监听器
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client.value.onDisconnect = () => {
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isConnected.value = false;
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console.log("WebSocket连接已断开");
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// 如果使用自定义指数退避重连策略，则在这里处理
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if (useExponentialBackoff && reconnectCount.value < maxReconnectAttempts) {
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handleReconnect();
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}
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};
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// 设置 Web Socket 关闭监听器
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client.value.onWebSocketClose = (event) => {
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isConnected.value = false;
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console.log(`WebSocket已关闭: ${event?.code} ${event?.reason}`);
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// 如果是授权问题导致的关闭，尝试重新获取令牌
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if (event?.code === 1000 || event?.code === 1006 || event?.code === 1008) {
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console.log("可能是授权问题导致连接关闭，尝试重新建立连接");
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// 等待一段时间后再尝试重连，避免立即重连
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setTimeout(() => {
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// 强制重新初始化客户端，获取最新令牌
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client.value = null;
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// 检查当前是否有有效令牌
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const freshToken = Storage.get(ACCESS_TOKEN_KEY, "");
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if (freshToken) {
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initializeClient();
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connect();
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} else {
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console.warn("没有有效令牌，暂不重连WebSocket");
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}
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}, 3000);
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}
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};
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// 设置错误监听器
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client.value.onStompError = (frame) => {
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console.error("STOMP错误:", frame.headers, frame.body);
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// 检查是否是授权错误
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if (
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frame.headers?.message?.includes("Unauthorized") ||
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frame.body?.includes("Unauthorized") ||
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frame.body?.includes("Token")
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) {
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console.warn("WebSocket授权错误，请检查登录状态");
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}
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};
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};
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/**
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* 处理重连逻辑
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*/
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const handleReconnect = () => {
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if (reconnectCount.value >= maxReconnectAttempts) {
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console.error(`已达到最大重连次数(${maxReconnectAttempts})，停止重连`);
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return;
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}
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reconnectCount.value++;
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console.log(`尝试重连(${reconnectCount.value}/${maxReconnectAttempts})...`);
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// 使用指数退避策略增加重连间隔
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const delay = useExponentialBackoff
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? Math.min(reconnectDelay * Math.pow(2, reconnectCount.value - 1), maxReconnectDelay)
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: reconnectDelay;
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// 清除之前的计时器
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if (reconnectTimer) {
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clearTimeout(reconnectTimer);
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}
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// 设置重连计时器
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reconnectTimer = setTimeout(() => {
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if (!isConnected.value && client.value) {
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client.value.activate();
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}
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}, delay);
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};
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// 监听 brokerURL 的变化，若地址改变则重新初始化
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watch(brokerURL, (newURL, oldURL) => {
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if (newURL !== oldURL) {
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console.log(`brokerURL changed from ${oldURL} to ${newURL}`);
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// 断开当前连接，重新激活客户端
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if (client.value && client.value.connected) {
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client.value.deactivate();
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}
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brokerURL.value = newURL;
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initializeClient(); // 重新初始化客户端
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}
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});
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// 初始化客户端
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initializeClient();
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/**
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* 激活连接（如果已经连接或正在激活则直接返回）
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*/
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const connect = () => {
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// 检查是否有配置WebSocket端点
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if (!brokerURL.value) {
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console.error("WebSocket连接失败: 未配置WebSocket端点URL");
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return;
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}
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if (!client.value) {
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initializeClient();
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}
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if (!client.value) {
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console.error("STOMP客户端初始化失败");
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return;
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}
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// 避免重复连接:检查是否已连接或正在连接
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if (client.value.connected) {
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console.log("WebSocket已经连接,跳过重复连接");
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return;
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}
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if (client.value.active) {
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console.log("WebSocket连接正在进行中,跳过重复连接请求");
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return;
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}
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// 设置连接超时
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clearTimeout(connectionTimeoutTimer);
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connectionTimeoutTimer = setTimeout(() => {
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if (!isConnected.value) {
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console.warn("WebSocket连接超时");
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if (useExponentialBackoff) {
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handleReconnect();
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}
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}
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}, connectionTimeout);
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client.value.activate();
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};
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/**
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* 订阅指定主题
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* @param destination 目标主题地址
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* @param callback 接收到消息时的回调函数
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* @returns 返回订阅 id，用于后续取消订阅
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*/
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const subscribe = (destination: string, callback: (_message: IMessage) => void): string => {
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if (!client.value || !client.value.connected) {
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console.warn(`尝试订阅 ${destination} 失败: 客户端未连接`);
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return "";
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}
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try {
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const subscription = client.value.subscribe(destination, callback);
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const subscriptionId = subscription.id;
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subscriptions.set(subscriptionId, subscription);
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console.log(`订阅成功: ${destination}, ID: ${subscriptionId}`);
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return subscriptionId;
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} catch (error) {
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console.error(`订阅 ${destination} 失败:`, error);
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return "";
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}
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};
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/**
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* 取消订阅
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* @param subscriptionId 订阅 id
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*/
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const unsubscribe = (subscriptionId: string) => {
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const subscription = subscriptions.get(subscriptionId);
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if (subscription) {
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subscription.unsubscribe();
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subscriptions.delete(subscriptionId);
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console.log(`已取消订阅: ${subscriptionId}`);
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}
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};
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/**
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* 断开WebSocket连接
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*/
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const disconnect = () => {
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if (client.value && client.value.connected) {
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// 清除所有订阅
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for (const [id, subscription] of subscriptions.entries()) {
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subscription.unsubscribe();
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subscriptions.delete(id);
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}
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// 断开连接
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client.value.deactivate();
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console.log("WebSocket连接已断开");
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}
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// 清除重连计时器
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if (reconnectTimer) {
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clearTimeout(reconnectTimer);
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reconnectTimer = null;
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}
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// 清除连接超时计时器
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if (connectionTimeoutTimer) {
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clearTimeout(connectionTimeoutTimer);
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connectionTimeoutTimer = null;
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}
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isConnected.value = false;
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reconnectCount.value = 0;
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};
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return {
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isConnected,
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connect,
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subscribe,
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unsubscribe,
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disconnect,
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};
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}
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