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
          }
        })
      },
    }