vue3.0中使用websocket,封装到公共方法的实现

/*
 * @Descripttion: 封装socket方法
 * @version:
 * @Date: 2021-08-06 11:14:39
 * @LastEditTime: 2021-10-26 14:06:34
 */
import i18n from '@/locales'
import store from '@/store'
import { ElMessage } from 'element-plus'
import { Base64 } from 'js-base64'
const language = store.state.users.language // 当前用户信息，后台配置
const token = store.state.users.authorization // 获取验证信息，后台配置
interface socket {
	websocket: any
	connectURL: string
	socket_open: boolean
	hearbeat_timer: any
	hearbeat_interval: number
	is_reonnect: boolean
	reconnect_count: number
	reconnect_current: number
	ronnect_number: number
	reconnect_timer: any
	reconnect_interval: number
	init: (receiveMessage: Function | null) => any
	receive: (message: any) => void
	heartbeat: () => void
	send: (data: any, callback?: any) => void
	close: () => void
	reconnect: () => void
}
const socket: socket = {
	websocket: null,
	connectURL: `${process.env.VUE_APP_SOCEKT_URL}/websocket/v1/${language}/${token}`,
	// 开启标识
	socket_open: false,
	// 心跳timer
	hearbeat_timer: null,
	// 心跳发送频率
	hearbeat_interval: 45000,
	// 是否自动重连
	is_reonnect: true,
	// 重连次数
	reconnect_count: 3,
	// 已发起重连次数
	reconnect_current: 1,
	// 网络错误提示此时
	ronnect_number: 0,
	// 重连timer
	reconnect_timer: null,
	// 重连频率
	reconnect_interval: 5000,
	init: (receiveMessage: Function | null) => {
		if (!('WebSocket' in window)) {
			ElMessage.warning('浏览器不支持WebSocket')
			return null
		}
		// 已经创建过连接不再重复创建
		// if (socket.websocket) {
		//   return socket.websocket
		// }
		socket.websocket = new WebSocket(socket.connectURL)
		socket.websocket.onmessage = (e: any) => {
			if (receiveMessage) {
				receiveMessage(e)
			}
		}
		socket.websocket.onclose = (e: any) => {
			clearInterval(socket.hearbeat_interval)
			socket.socket_open = false
			// 需要重新连接
			if (socket.is_reonnect) {
				socket.reconnect_timer = setTimeout(() => {
					// 超过重连次数
					if (socket.reconnect_current > socket.reconnect_count) {
						clearTimeout(socket.reconnect_timer)
						socket.is_reonnect = false
						return
					}
					// 记录重连次数
					socket.reconnect_current++
					socket.reconnect()
				}, socket.reconnect_interval)
			}
		}
		// 连接成功
		socket.websocket.onopen = function() {
			socket.socket_open = true
			socket.is_reonnect = true
			// 开启心跳
			// socket.heartbeat()
		}
		// 连接发生错误
		socket.websocket.onerror = function() {}
	},
	send: (data, callback = null) => {
		// 开启状态直接发送
		if (socket.websocket.readyState === socket.websocket.OPEN) {
			socket.websocket.send(JSON.stringify(data))
			if (callback) {
				callback()
			}
			// 正在开启状态，则等待1s后重新调用
		} else {
			clearInterval(socket.hearbeat_timer)
			if (socket.ronnect_number < 1) {
				ElMessage({
					type: 'error',
					message: i18n.global.t('chat.unopen'),
					duration: 0,
				})
			}
			socket.ronnect_number++
		}
	},
	receive: (message: any) => {
		let params = Base64.decode(JSON.parse(message.data).data)
		params = JSON.parse(params)
		return params
	},
	heartbeat: () => {
		if (socket.hearbeat_timer) {
			clearInterval(socket.hearbeat_timer)
		}
		socket.hearbeat_timer = setInterval(() => {
			let data = {
				languageId: store.state.users.language,
				authToken: store.state.users.authorization,
				content: 'ping',
			}
			var sendDara = {
				encryption_type: 'base64',
				data: Base64.encode(JSON.stringify(data)),
			}
			socket.send(sendDara)
		}, socket.hearbeat_interval)
	},
	close: () => {
		clearInterval(socket.hearbeat_interval)
		socket.is_reonnect = false
		socket.websocket.close()
	},
	/**
	 * 重新连接
	 */
	reconnect: () => {
		if (socket.websocket && !socket.is_reonnect) {
			socket.close()
		}
		socket.init(null)
	},
}
export default socket

import socket from '@/utils/socket'

socket.init(methods.receiveMessage)

	// 消息接收
			receiveMessage(message: any) {
				const param = JSON.parse(Base64.decode(JSON.parse(message.data).data))
				// 处理 赋值问题
				const params = JSON.parse(JSON.stringify(param))
				if (params) {
					switch (params.message) {
						case 'scheduleListFeedBack':
							break
						case 'onMessage':
							// 地磁获取消息列表 正则替换给过来的编码
					
							break
					}
				}
			},

socket.websocket.onmessage = (e: any) => {
	if (receiveMessage) {
			receiveMessage(e)
		}
}

export default class SocketService {
  static instance = null
  static get Instance () {
    if (!this.instance) {
      this.instance = new SocketService()
    }
    return this.instance
  }
  
  ws = null
  //存储回调函数
  callBackMapping = {}
  //标识是否连接成功
  connected = false
  //记录重试的次数
  sendRetryCount = 0
  //记录重新连接的次数
  reconnectCount = 0
  connect () {
    if (!window.WebSocket) {
      return console.log("您的浏览器不支持websocket!")
    }
    this.ws = new WebSocket('ws://192.168.0.88:8088')
    //连接服务端成功事件
    this.ws.onopen = ()=> {
      console.log("连接服务端成功")
      this.connected = true
      this.reconnectCount = 0
    }
    //连接服务端失败事件
    this.ws.onclose = ()=> {
      console.log("连接服务端失败")
      this.connected = false
      this.reconnectCount++
      setTimeout(()=>{
        this.connect()
      },this.reconnectCount*500)
    }
    //从服务端获取数据
    this.ws.onmessage = (msg)=> {
      console.log("从服务端获取到的数据" + msg.data)
      const recvData = JSON.parse(msg.data)
      const socketType = recvData.socketType
      if (this.callBackMapping[socketType]) {
        const action = recvData.action
        if (action === 'getData') {
          const realData = JSON.parse(recvData.data)
          this.callBackMapping[socketType].call(this, realData)
        }
      }
    }
  }
  //回调函数的注册
  registerCallBack (socketType, callBack) {
    this.callBackMapping[socketType] = callBack
  }
  //取消回调函数
  unRegisterCallBack (socketType) {
    this.callBackMapping[socketType] = null
  }
  send(data) {
    if (this.connected) {
      this.sendRetryCount = 0
      this.ws.send(JSON.stringify(data))
    } else {
      this.sendRetryCount++
      setTimeout(()=>{
        this.ws.send(JSON.stringify(data))
      },this.sendRetryCount*500)
    }
  } 
}

import SocketService from '@/utils/socket_service'
SocketService.Instance.connect()
Vue.prototype.$socket = SocketService.Instance
Vue.prototype.wsPath = 'ws://192.168.0.88:8088/'     // websocket路径

mounted() {
     this.$socket.send({
        action:'getData',
        socketType:'productivity',
        chartName:'product',
        value:''
      })
    },
created() {
      this.$socket.registerCallBack('productivity',this.getWsData)
    },
destroyed() {
     this.$socket.unRegisterCallBack('productivity')
    },
methods:{
    getWsData (ret) {
        console.log('websocket接收到的值', event.ret)
        console.log(ret);
        this.cdata.category.forEach(item => {
          if (dataRec.materialClassifyName === item.materialClassifyName) {
            item.rate = dataRec.rate
          }
        })
      },
    }