2025-08-11 10:54:45 +08:00
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import { ref, onMounted, onUnmounted } from 'vue'
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import notificationService from './notificationService'
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interface WebSocketMessage {
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type: 'NOTIFICATION' | 'APPROVAL_UPDATE' | 'PROCUREMENT_UPDATE' | 'SYSTEM' | 'EQUIPMENT_STATUS_UPDATE' | 'HEARTBEAT' | 'EQUIPMENT_BORROW_UPDATE' | 'EQUIPMENT_RETURN_UPDATE' | 'EQUIPMENT_MAINTENANCE_UPDATE' | 'EQUIPMENT_ALERT' | 'WORKFLOW_UPDATE'
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data: any
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timestamp: number
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messageId?: string
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}
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class WebSocketService {
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private ws: WebSocket | null = null
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private reconnectAttempts = 0
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private maxReconnectAttempts = 5
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private reconnectInterval = 3000 // 3秒
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private heartbeatInterval: NodeJS.Timeout | null = null
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private isConnected = ref(false)
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private isConnecting = ref(false)
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// 连接状态
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public readonly connected = this.isConnected
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public readonly connecting = this.isConnecting
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// 连接配置
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2025-08-11 14:49:48 +08:00
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private wsUrl = import.meta.env.VITE_API_WS_URL || 'ws://localhost:8888/websocket'
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2025-08-11 10:54:45 +08:00
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private token = localStorage.getItem('token') || ''
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// 事件监听器
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private eventListeners: Map<string, Function[]> = new Map()
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// 消息队列 - 用于离线时缓存消息
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private messageQueue: WebSocketMessage[] = []
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private maxQueueSize = 100
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// 消息去重 - 避免重复处理
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private processedMessages = new Set<string>()
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private maxProcessedMessages = 1000
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constructor() {
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this.setupEventListeners()
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this.loadMessageQueue()
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}
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// 连接WebSocket
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public connect() {
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if (this.isConnecting.value || this.isConnected.value) {
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return
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}
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this.isConnecting.value = true
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try {
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// 构建WebSocket URL，包含认证token
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const url = `${this.wsUrl}?token=${encodeURIComponent(this.token)}`
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this.ws = new WebSocket(url)
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this.ws.onopen = this.handleOpen.bind(this)
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this.ws.onmessage = this.handleMessage.bind(this)
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this.ws.onclose = this.handleClose.bind(this)
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this.ws.onerror = this.handleError.bind(this)
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} catch (error) {
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console.error('WebSocket连接失败:', error)
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this.isConnecting.value = false
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this.scheduleReconnect()
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}
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}
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// 断开连接
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public disconnect() {
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if (this.heartbeatInterval) {
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clearInterval(this.heartbeatInterval)
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this.heartbeatInterval = null
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}
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if (this.ws) {
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this.ws.close()
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this.ws = null
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}
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this.isConnected.value = false
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this.isConnecting.value = false
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}
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// 发送消息
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public send(message: any) {
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if (this.ws && this.isConnected.value) {
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try {
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this.ws.send(JSON.stringify(message))
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} catch (error) {
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console.error('发送WebSocket消息失败:', error)
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// 发送失败时，将消息加入队列
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this.addToMessageQueue(message)
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}
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} else {
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console.warn('WebSocket未连接，将消息加入队列')
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this.addToMessageQueue(message)
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}
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}
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// 发送心跳
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public sendHeartbeat() {
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this.send({
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type: 'HEARTBEAT',
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data: { timestamp: Date.now() },
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timestamp: Date.now()
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})
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}
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// 处理连接打开
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private handleOpen() {
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console.log('WebSocket连接已建立')
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this.isConnected.value = true
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this.isConnecting.value = false
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this.reconnectAttempts = 0
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// 启动心跳
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this.startHeartbeat()
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// 发送认证消息
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this.send({
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type: 'AUTH',
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data: { token: this.token },
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timestamp: Date.now()
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})
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// 处理离线期间的消息队列
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this.processMessageQueue()
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// 触发连接事件
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this.emit('connected', null)
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}
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// 处理消息接收
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private handleMessage(event: MessageEvent) {
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try {
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const message: WebSocketMessage = JSON.parse(event.data)
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this.processMessage(message)
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} catch (error) {
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console.error('解析WebSocket消息失败:', error)
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}
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}
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// 处理连接关闭
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private handleClose(event: CloseEvent) {
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console.log('WebSocket连接已关闭:', event.code, event.reason)
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this.isConnected.value = false
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this.isConnecting.value = false
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// 停止心跳
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if (this.heartbeatInterval) {
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clearInterval(this.heartbeatInterval)
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this.heartbeatInterval = null
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}
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// 触发断开连接事件
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this.emit('disconnected', { code: event.code, reason: event.reason })
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// 如果不是主动关闭，尝试重连
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if (event.code !== 1000) {
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this.scheduleReconnect()
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}
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}
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// 处理连接错误
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private handleError(error: Event) {
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console.error('WebSocket连接错误:', error)
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this.isConnecting.value = false
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// 触发错误事件
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this.emit('error', error)
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// 尝试重连
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this.scheduleReconnect()
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}
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// 处理接收到的消息
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private processMessage(message: WebSocketMessage) {
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console.log('收到WebSocket消息:', message)
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// 消息去重检查
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if (message.messageId && this.processedMessages.has(message.messageId)) {
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console.log('消息已处理，跳过:', message.messageId)
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return
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}
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// 添加到已处理消息集合
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if (message.messageId) {
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this.processedMessages.add(message.messageId)
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// 限制已处理消息数量
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if (this.processedMessages.size > this.maxProcessedMessages) {
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const firstKey = this.processedMessages.keys().next().value
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if (firstKey) {
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this.processedMessages.delete(firstKey)
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}
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}
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}
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switch (message.type) {
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case 'NOTIFICATION':
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this.handleNotificationMessage(message.data)
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break
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case 'APPROVAL_UPDATE':
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this.handleApprovalUpdateMessage(message.data)
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break
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case 'PROCUREMENT_UPDATE':
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this.handleProcurementUpdateMessage(message.data)
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break
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case 'EQUIPMENT_STATUS_UPDATE':
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this.handleEquipmentStatusUpdateMessage(message.data)
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break
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case 'EQUIPMENT_BORROW_UPDATE':
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this.handleEquipmentBorrowUpdateMessage(message.data)
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break
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case 'EQUIPMENT_RETURN_UPDATE':
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this.handleEquipmentReturnUpdateMessage(message.data)
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break
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case 'EQUIPMENT_MAINTENANCE_UPDATE':
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this.handleEquipmentMaintenanceUpdateMessage(message.data)
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break
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case 'EQUIPMENT_ALERT':
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this.handleEquipmentAlertMessage(message.data)
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break
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case 'WORKFLOW_UPDATE':
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this.handleWorkflowUpdateMessage(message.data)
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break
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case 'SYSTEM':
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this.handleSystemMessage(message.data)
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break
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case 'HEARTBEAT':
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// 心跳响应，不需要特殊处理
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break
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default:
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console.warn('未知的WebSocket消息类型:', message.type)
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}
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// 触发消息接收事件
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this.emit('message', message)
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// 保存消息到本地存储
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this.saveMessageToStorage(message)
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}
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// 处理通知消息
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private handleNotificationMessage(data: any) {
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if (data.notification) {
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notificationService.addNotification({
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type: data.notification.type || 'SYSTEM',
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title: data.notification.title || '新通知',
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content: data.notification.content || '',
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priority: data.notification.priority || 'NORMAL',
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category: data.notification.category,
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targetUrl: data.notification.targetUrl,
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metadata: data.notification.metadata
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})
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}
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}
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// 处理审批更新消息
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private handleApprovalUpdateMessage(data: any) {
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if (data.approval) {
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const approval = data.approval
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// 根据审批状态添加相应通知
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if (approval.status === 'APPROVED') {
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notificationService.addApprovalNotification(
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approval.equipmentName,
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'APPROVED',
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approval.approverName || '审批人'
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)
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// 触发审批状态更新事件
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this.emit('approvalStatusChanged', {
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type: 'APPROVED',
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approvalId: approval.approvalId,
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equipmentId: approval.equipmentId,
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status: approval.status
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})
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} else if (approval.status === 'REJECTED') {
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notificationService.addApprovalNotification(
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approval.equipmentName,
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'REJECTED',
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approval.approverName || '审批人'
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)
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// 触发审批状态更新事件
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this.emit('approvalStatusChanged', {
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type: 'REJECTED',
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approvalId: approval.approvalId,
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equipmentId: approval.equipmentId,
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|
|
|
status: approval.status
|
|
|
|
|
|
})
|
|
|
|
|
|
} else if (approval.status === 'SUBMITTED') {
|
|
|
|
|
|
// 新增待审批通知
|
|
|
|
|
|
notificationService.addNotification({
|
|
|
|
|
|
type: 'PENDING',
|
|
|
|
|
|
title: '新的审批申请',
|
|
|
|
|
|
content: `收到来自 ${approval.applicantName} 的${approval.businessType || '设备'}申请：${approval.equipmentName}`,
|
|
|
|
|
|
targetUrl: '/asset-management/device-management/approval',
|
|
|
|
|
|
priority: 'HIGH',
|
|
|
|
|
|
category: '审批申请',
|
|
|
|
|
|
metadata: {
|
|
|
|
|
|
approvalId: approval.approvalId,
|
|
|
|
|
|
equipmentName: approval.equipmentName,
|
|
|
|
|
|
applicantName: approval.applicantName,
|
|
|
|
|
|
businessType: approval.businessType,
|
|
|
|
|
|
timestamp: Date.now()
|
|
|
|
|
|
}
|
|
|
|
|
|
})
|
|
|
|
|
|
|
|
|
|
|
|
// 触发新审批申请事件
|
|
|
|
|
|
this.emit('newApprovalRequest', approval)
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 处理采购更新消息
|
|
|
|
|
|
private handleProcurementUpdateMessage(data: any) {
|
|
|
|
|
|
if (data.procurement) {
|
|
|
|
|
|
const procurement = data.procurement
|
|
|
|
|
|
|
|
|
|
|
|
if (procurement.status === 'SUBMITTED') {
|
|
|
|
|
|
notificationService.addProcurementNotification(
|
|
|
|
|
|
procurement.equipmentName,
|
|
|
|
|
|
procurement.applicantName || '申请人'
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
// 触发采购状态更新事件
|
|
|
|
|
|
this.emit('procurementStatusChanged', {
|
|
|
|
|
|
type: 'SUBMITTED',
|
|
|
|
|
|
procurementId: procurement.procurementId,
|
|
|
|
|
|
equipmentId: procurement.equipmentId,
|
|
|
|
|
|
status: procurement.status
|
|
|
|
|
|
})
|
|
|
|
|
|
} else if (procurement.status === 'APPROVED') {
|
|
|
|
|
|
// 采购申请被批准
|
|
|
|
|
|
notificationService.addNotification({
|
|
|
|
|
|
type: 'PROCUREMENT',
|
|
|
|
|
|
title: '采购申请已批准',
|
|
|
|
|
|
content: `您的设备采购申请"${procurement.equipmentName}"已获得批准`,
|
|
|
|
|
|
targetUrl: '/asset-management/device-management/procurement',
|
|
|
|
|
|
priority: 'NORMAL',
|
|
|
|
|
|
category: '采购审批',
|
|
|
|
|
|
metadata: {
|
|
|
|
|
|
equipmentName: procurement.equipmentName,
|
|
|
|
|
|
status: procurement.status,
|
|
|
|
|
|
timestamp: Date.now()
|
|
|
|
|
|
}
|
|
|
|
|
|
})
|
|
|
|
|
|
|
|
|
|
|
|
// 触发采购状态更新事件
|
|
|
|
|
|
this.emit('procurementStatusChanged', {
|
|
|
|
|
|
type: 'APPROVED',
|
|
|
|
|
|
procurementId: procurement.procurementId,
|
|
|
|
|
|
equipmentId: procurement.equipmentId,
|
|
|
|
|
|
status: procurement.status
|
|
|
|
|
|
})
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 处理设备状态更新消息
|
|
|
|
|
|
private handleEquipmentStatusUpdateMessage(data: any) {
|
|
|
|
|
|
if (data.equipment) {
|
|
|
|
|
|
const equipment = data.equipment
|
|
|
|
|
|
|
|
|
|
|
|
// 触发设备状态更新事件
|
|
|
|
|
|
this.emit('equipmentStatusChanged', {
|
|
|
|
|
|
equipmentId: equipment.equipmentId,
|
|
|
|
|
|
oldStatus: equipment.oldStatus,
|
|
|
|
|
|
newStatus: equipment.newStatus,
|
|
|
|
|
|
updateTime: equipment.updateTime
|
|
|
|
|
|
})
|
|
|
|
|
|
|
|
|
|
|
|
// 如果状态变化涉及采购，添加相应通知
|
|
|
|
|
|
if (equipment.statusChangeType === 'PROCUREMENT') {
|
|
|
|
|
|
notificationService.addNotification({
|
|
|
|
|
|
type: 'PROCUREMENT',
|
|
|
|
|
|
title: '设备采购状态更新',
|
|
|
|
|
|
content: `设备"${equipment.equipmentName}"的采购状态已更新为：${equipment.newStatus}`,
|
|
|
|
|
|
targetUrl: '/asset-management/device-management/procurement',
|
|
|
|
|
|
priority: 'NORMAL',
|
|
|
|
|
|
category: '设备状态',
|
|
|
|
|
|
metadata: {
|
|
|
|
|
|
equipmentId: equipment.equipmentId,
|
|
|
|
|
|
equipmentName: equipment.equipmentName,
|
|
|
|
|
|
oldStatus: equipment.oldStatus,
|
|
|
|
|
|
newStatus: equipment.newStatus,
|
|
|
|
|
|
timestamp: Date.now()
|
|
|
|
|
|
}
|
|
|
|
|
|
})
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 处理设备借用更新消息
|
|
|
|
|
|
private handleEquipmentBorrowUpdateMessage(data: any) {
|
|
|
|
|
|
if (data.borrow) {
|
|
|
|
|
|
const borrow = data.borrow
|
|
|
|
|
|
|
|
|
|
|
|
// 触发设备借用状态更新事件
|
|
|
|
|
|
this.emit('equipmentBorrowChanged', {
|
|
|
|
|
|
equipmentId: borrow.equipmentId,
|
|
|
|
|
|
borrowId: borrow.borrowId,
|
|
|
|
|
|
oldStatus: borrow.oldStatus,
|
|
|
|
|
|
newStatus: borrow.newStatus,
|
|
|
|
|
|
updateTime: borrow.updateTime
|
|
|
|
|
|
})
|
|
|
|
|
|
|
|
|
|
|
|
// 添加借用状态更新通知
|
|
|
|
|
|
notificationService.addNotification({
|
|
|
|
|
|
type: 'EQUIPMENT_BORROW',
|
|
|
|
|
|
title: '设备借用状态更新',
|
|
|
|
|
|
content: `设备"${borrow.equipmentName}"的借用状态已更新为：${borrow.newStatus}`,
|
|
|
|
|
|
targetUrl: '/asset-management/device-management/device-center',
|
|
|
|
|
|
priority: 'NORMAL',
|
|
|
|
|
|
category: '设备借用',
|
|
|
|
|
|
metadata: {
|
|
|
|
|
|
equipmentId: borrow.equipmentId,
|
|
|
|
|
|
equipmentName: borrow.equipmentName,
|
|
|
|
|
|
borrowId: borrow.borrowId,
|
|
|
|
|
|
oldStatus: borrow.oldStatus,
|
|
|
|
|
|
newStatus: borrow.newStatus,
|
|
|
|
|
|
timestamp: Date.now()
|
|
|
|
|
|
}
|
|
|
|
|
|
})
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 处理设备归还更新消息
|
|
|
|
|
|
private handleEquipmentReturnUpdateMessage(data: any) {
|
|
|
|
|
|
if (data.return) {
|
|
|
|
|
|
const returnData = data.return
|
|
|
|
|
|
|
|
|
|
|
|
// 触发设备归还状态更新事件
|
|
|
|
|
|
this.emit('equipmentReturnChanged', {
|
|
|
|
|
|
equipmentId: returnData.equipmentId,
|
|
|
|
|
|
returnId: returnData.returnId,
|
|
|
|
|
|
oldStatus: returnData.oldStatus,
|
|
|
|
|
|
newStatus: returnData.newStatus,
|
|
|
|
|
|
updateTime: returnData.updateTime
|
|
|
|
|
|
})
|
|
|
|
|
|
|
|
|
|
|
|
// 添加归还状态更新通知
|
|
|
|
|
|
notificationService.addNotification({
|
|
|
|
|
|
type: 'EQUIPMENT_RETURN',
|
|
|
|
|
|
title: '设备归还状态更新',
|
|
|
|
|
|
content: `设备"${returnData.equipmentName}"的归还状态已更新为：${returnData.newStatus}`,
|
|
|
|
|
|
targetUrl: '/asset-management/device-management/device-center',
|
|
|
|
|
|
priority: 'NORMAL',
|
|
|
|
|
|
category: '设备归还',
|
|
|
|
|
|
metadata: {
|
|
|
|
|
|
equipmentId: returnData.equipmentId,
|
|
|
|
|
|
equipmentName: returnData.equipmentName,
|
|
|
|
|
|
returnId: returnData.returnId,
|
|
|
|
|
|
oldStatus: returnData.oldStatus,
|
|
|
|
|
|
newStatus: returnData.newStatus,
|
|
|
|
|
|
timestamp: Date.now()
|
|
|
|
|
|
}
|
|
|
|
|
|
})
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 处理设备维护更新消息
|
|
|
|
|
|
private handleEquipmentMaintenanceUpdateMessage(data: any) {
|
|
|
|
|
|
if (data.maintenance) {
|
|
|
|
|
|
const maintenance = data.maintenance
|
|
|
|
|
|
|
|
|
|
|
|
// 触发设备维护状态更新事件
|
|
|
|
|
|
this.emit('equipmentMaintenanceChanged', {
|
|
|
|
|
|
equipmentId: maintenance.equipmentId,
|
|
|
|
|
|
maintenanceId: maintenance.maintenanceId,
|
|
|
|
|
|
oldStatus: maintenance.oldStatus,
|
|
|
|
|
|
newStatus: maintenance.newStatus,
|
|
|
|
|
|
updateTime: maintenance.updateTime
|
|
|
|
|
|
})
|
|
|
|
|
|
|
|
|
|
|
|
// 添加维护状态更新通知
|
|
|
|
|
|
notificationService.addNotification({
|
|
|
|
|
|
type: 'EQUIPMENT_MAINTENANCE',
|
|
|
|
|
|
title: '设备维护状态更新',
|
|
|
|
|
|
content: `设备"${maintenance.equipmentName}"的维护状态已更新为：${maintenance.newStatus}`,
|
|
|
|
|
|
targetUrl: '/asset-management/device-management/device-center',
|
|
|
|
|
|
priority: 'NORMAL',
|
|
|
|
|
|
category: '设备维护',
|
|
|
|
|
|
metadata: {
|
|
|
|
|
|
equipmentId: maintenance.equipmentId,
|
|
|
|
|
|
equipmentName: maintenance.equipmentName,
|
|
|
|
|
|
maintenanceId: maintenance.maintenanceId,
|
|
|
|
|
|
oldStatus: maintenance.oldStatus,
|
|
|
|
|
|
newStatus: maintenance.newStatus,
|
|
|
|
|
|
timestamp: Date.now()
|
|
|
|
|
|
}
|
|
|
|
|
|
})
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 处理设备告警消息
|
|
|
|
|
|
private handleEquipmentAlertMessage(data: any) {
|
|
|
|
|
|
if (data.alert) {
|
|
|
|
|
|
const alert = data.alert
|
|
|
|
|
|
|
|
|
|
|
|
// 触发设备告警事件
|
|
|
|
|
|
this.emit('equipmentAlert', {
|
|
|
|
|
|
equipmentId: alert.equipmentId,
|
|
|
|
|
|
alertId: alert.alertId,
|
|
|
|
|
|
alertType: alert.alertType,
|
|
|
|
|
|
alertLevel: alert.alertLevel,
|
|
|
|
|
|
message: alert.message,
|
|
|
|
|
|
timestamp: alert.timestamp
|
|
|
|
|
|
})
|
|
|
|
|
|
|
|
|
|
|
|
// 添加设备告警通知
|
|
|
|
|
|
notificationService.addNotification({
|
|
|
|
|
|
type: 'EQUIPMENT_ALERT',
|
|
|
|
|
|
title: `设备告警 - ${alert.alertType}`,
|
|
|
|
|
|
content: `设备"${alert.equipmentName}"发生告警：${alert.message}`,
|
|
|
|
|
|
targetUrl: '/asset-management/device-management/device-center',
|
|
|
|
|
|
priority: alert.alertLevel === 'CRITICAL' ? 'URGENT' : 'HIGH',
|
|
|
|
|
|
category: '设备告警',
|
|
|
|
|
|
actionRequired: true,
|
|
|
|
|
|
metadata: {
|
|
|
|
|
|
equipmentId: alert.equipmentId,
|
|
|
|
|
|
equipmentName: alert.equipmentName,
|
|
|
|
|
|
alertId: alert.alertId,
|
|
|
|
|
|
alertType: alert.alertType,
|
|
|
|
|
|
alertLevel: alert.alertLevel,
|
|
|
|
|
|
message: alert.message,
|
|
|
|
|
|
timestamp: Date.now()
|
|
|
|
|
|
}
|
|
|
|
|
|
})
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 处理工作流更新消息
|
|
|
|
|
|
private handleWorkflowUpdateMessage(data: any) {
|
|
|
|
|
|
if (data.workflow) {
|
|
|
|
|
|
const workflow = data.workflow
|
|
|
|
|
|
|
|
|
|
|
|
// 触发工作流状态更新事件
|
|
|
|
|
|
this.emit('workflowStatusChanged', {
|
|
|
|
|
|
workflowId: workflow.workflowId,
|
|
|
|
|
|
oldStatus: workflow.oldStatus,
|
|
|
|
|
|
newStatus: workflow.newStatus,
|
|
|
|
|
|
currentNode: workflow.currentNode,
|
|
|
|
|
|
updateTime: workflow.updateTime
|
|
|
|
|
|
})
|
|
|
|
|
|
|
|
|
|
|
|
// 添加工作流状态更新通知
|
|
|
|
|
|
notificationService.addNotification({
|
|
|
|
|
|
type: 'WORKFLOW',
|
|
|
|
|
|
title: '工作流状态更新',
|
|
|
|
|
|
content: `工作流"${workflow.workflowName}"状态已更新为：${workflow.newStatus}`,
|
|
|
|
|
|
targetUrl: '/asset-management/device-management/approval',
|
|
|
|
|
|
priority: 'NORMAL',
|
|
|
|
|
|
category: '工作流',
|
|
|
|
|
|
metadata: {
|
|
|
|
|
|
workflowId: workflow.workflowId,
|
|
|
|
|
|
workflowName: workflow.workflowName,
|
|
|
|
|
|
oldStatus: workflow.oldStatus,
|
|
|
|
|
|
newStatus: workflow.newStatus,
|
|
|
|
|
|
currentNode: workflow.currentNode,
|
|
|
|
|
|
timestamp: Date.now()
|
|
|
|
|
|
}
|
|
|
|
|
|
})
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 处理系统消息
|
|
|
|
|
|
private handleSystemMessage(data: any) {
|
|
|
|
|
|
if (data.system) {
|
|
|
|
|
|
const system = data.system
|
|
|
|
|
|
|
|
|
|
|
|
notificationService.addSystemNotification(
|
|
|
|
|
|
system.title || '系统通知',
|
|
|
|
|
|
system.content || '',
|
|
|
|
|
|
system.priority || 'NORMAL'
|
|
|
|
|
|
)
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 启动心跳
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|
private startHeartbeat() {
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|
if (this.heartbeatInterval) {
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|
clearInterval(this.heartbeatInterval)
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}
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this.heartbeatInterval = setInterval(() => {
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|
|
if (this.isConnected.value) {
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|
|
this.sendHeartbeat()
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}
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}, 30000) // 30秒发送一次心跳
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}
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// 安排重连
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|
private scheduleReconnect() {
|
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|
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|
|
if (this.reconnectAttempts >= this.maxReconnectAttempts) {
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|
console.error('WebSocket重连次数已达上限，停止重连')
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return
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}
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|
this.reconnectAttempts++
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|
console.log(`WebSocket将在 ${this.reconnectInterval / 1000} 秒后尝试重连 (${this.reconnectAttempts}/${this.maxReconnectAttempts})`)
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|
|
setTimeout(() => {
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this.connect()
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|
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}, this.reconnectInterval)
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// 递增重连间隔
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|
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this.reconnectInterval = Math.min(this.reconnectInterval * 1.5, 30000)
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}
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|
// 消息队列管理
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|
|
private addToMessageQueue(message: any) {
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|
this.messageQueue.push(message)
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|
if (this.messageQueue.length > this.maxQueueSize) {
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|
this.messageQueue.shift() // 移除最旧的消息
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|
}
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|
|
this.saveMessageQueue()
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|
}
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|
|
private processMessageQueue() {
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|
|
|
|
if (this.messageQueue.length > 0) {
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|
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|
|
console.log(`处理离线期间的消息队列，共 ${this.messageQueue.length} 条消息`)
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|
|
const messages = [...this.messageQueue]
|
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|
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|
|
this.messageQueue = []
|
|
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|
|
|
|
|
|
|
|
messages.forEach(message => {
|
|
|
|
|
|
this.processMessage(message)
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|
|
|
|
})
|
|
|
|
|
|
|
|
|
|
|
|
this.saveMessageQueue()
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
private saveMessageQueue() {
|
|
|
|
|
|
try {
|
|
|
|
|
|
localStorage.setItem('websocket_message_queue', JSON.stringify(this.messageQueue))
|
|
|
|
|
|
} catch (error) {
|
|
|
|
|
|
console.error('保存消息队列失败:', error)
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
private loadMessageQueue() {
|
|
|
|
|
|
try {
|
|
|
|
|
|
const stored = localStorage.getItem('websocket_message_queue')
|
|
|
|
|
|
if (stored) {
|
|
|
|
|
|
this.messageQueue = JSON.parse(stored)
|
|
|
|
|
|
}
|
|
|
|
|
|
} catch (error) {
|
|
|
|
|
|
console.error('加载消息队列失败:', error)
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 消息存储管理
|
|
|
|
|
|
private saveMessageToStorage(message: WebSocketMessage) {
|
|
|
|
|
|
try {
|
|
|
|
|
|
const messages = this.getStoredMessages()
|
|
|
|
|
|
messages.unshift(message)
|
|
|
|
|
|
|
|
|
|
|
|
// 限制存储的消息数量
|
|
|
|
|
|
if (messages.length > 200) {
|
|
|
|
|
|
messages.splice(200)
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
localStorage.setItem('websocket_messages', JSON.stringify(messages))
|
|
|
|
|
|
} catch (error) {
|
|
|
|
|
|
console.error('保存消息到本地存储失败:', error)
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
private getStoredMessages(): WebSocketMessage[] {
|
|
|
|
|
|
try {
|
|
|
|
|
|
const stored = localStorage.getItem('websocket_messages')
|
|
|
|
|
|
return stored ? JSON.parse(stored) : []
|
|
|
|
|
|
} catch (error) {
|
|
|
|
|
|
console.error('获取存储的消息失败:', error)
|
|
|
|
|
|
return []
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 设置事件监听器
|
|
|
|
|
|
private setupEventListeners() {
|
|
|
|
|
|
// 监听token变化，重新连接
|
|
|
|
|
|
window.addEventListener('storage', (event) => {
|
|
|
|
|
|
if (event.key === 'token' && event.newValue !== this.token) {
|
|
|
|
|
|
this.token = event.newValue || ''
|
|
|
|
|
|
if (this.isConnected.value) {
|
|
|
|
|
|
this.disconnect()
|
|
|
|
|
|
this.connect()
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
})
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 事件系统
|
|
|
|
|
|
public on(event: string, callback: Function) {
|
|
|
|
|
|
if (!this.eventListeners.has(event)) {
|
|
|
|
|
|
this.eventListeners.set(event, [])
|
|
|
|
|
|
}
|
|
|
|
|
|
this.eventListeners.get(event)!.push(callback)
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
public off(event: string, callback: Function) {
|
|
|
|
|
|
const listeners = this.eventListeners.get(event)
|
|
|
|
|
|
if (listeners) {
|
|
|
|
|
|
const index = listeners.indexOf(callback)
|
|
|
|
|
|
if (index > -1) {
|
|
|
|
|
|
listeners.splice(index, 1)
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
private emit(event: string, data: any) {
|
|
|
|
|
|
const listeners = this.eventListeners.get(event)
|
|
|
|
|
|
if (listeners) {
|
|
|
|
|
|
listeners.forEach(callback => {
|
|
|
|
|
|
try {
|
|
|
|
|
|
callback(data)
|
|
|
|
|
|
} catch (error) {
|
|
|
|
|
|
console.error('WebSocket事件回调执行失败:', error)
|
|
|
|
|
|
}
|
|
|
|
|
|
})
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 获取连接状态
|
|
|
|
|
|
public getStatus() {
|
|
|
|
|
|
return {
|
|
|
|
|
|
connected: this.isConnected.value,
|
|
|
|
|
|
connecting: this.isConnecting.value,
|
|
|
|
|
|
reconnectAttempts: this.reconnectAttempts,
|
|
|
|
|
|
maxReconnectAttempts: this.maxReconnectAttempts,
|
|
|
|
|
|
messageQueueSize: this.messageQueue.length,
|
|
|
|
|
|
processedMessagesCount: this.processedMessages.size
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 更新认证token
|
|
|
|
|
|
public updateToken(newToken: string) {
|
|
|
|
|
|
this.token = newToken
|
|
|
|
|
|
if (this.isConnected.value) {
|
|
|
|
|
|
// 重新认证
|
|
|
|
|
|
this.send({
|
|
|
|
|
|
type: 'AUTH',
|
|
|
|
|
|
data: { token: this.token },
|
|
|
|
|
|
timestamp: Date.now()
|
|
|
|
|
|
})
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 获取存储的消息
|
|
|
|
|
|
public getMessages() {
|
|
|
|
|
|
return this.getStoredMessages()
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 清空存储的消息
|
|
|
|
|
|
public clearMessages() {
|
|
|
|
|
|
try {
|
|
|
|
|
|
localStorage.removeItem('websocket_messages')
|
|
|
|
|
|
localStorage.removeItem('websocket_message_queue')
|
|
|
|
|
|
this.messageQueue = []
|
|
|
|
|
|
this.processedMessages.clear()
|
|
|
|
|
|
} catch (error) {
|
|
|
|
|
|
console.error('清空消息失败:', error)
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 创建单例实例
|
|
|
|
|
|
const websocketService = new WebSocketService()
|
|
|
|
|
|
|
|
|
|
|
|
// 自动连接
|
|
|
|
|
|
websocketService.connect()
|
|
|
|
|
|
|
|
|
|
|
|
export default websocketService
|
