[网络协议]WebSocket使用

//初始化weosocket 
    initWebSocket () {
      const wsuri = 'ws://op-innovative-declare.dev.ennewi.cn/wsServer'//连接地址，可加参数
      // const wsuri = `ws://localhost:8080/wsServer`;//连接地址，可加参数
      this.websocket = new WebSocket(wsuri)
      // 连接成功
      this.websocket.onopen = this.websocketonopen
      // 连接失败
      this.websocket.onerror = this.websocketonerror
      // 获取消息
      this.websocket.onmessage = this.websocketonmessage
      // 关闭连接
      this.websocket.onclose = this.websocketclose

    },
    // WebSocket连接成功
    websocketonopen () {
      // console.log('WebSocket连接成功')
      let msg = {
        type: 1,
        data: localStorage.getItem('userId'),
      }
      //数据发送 
      this.websocketsend(msg)
    },
    // WebSocket连接失败
    websocketonerror (e) {
      // console.log('WebSocket连接失败')
    },
    //数据接收 
    websocketonmessage (e) {
      let msg = JSON.parse(e.data)
      if (msg.type === 3) {
        setTimeout(() => {
          this.$message.success('附件已整合完毕，请在消息列表中查看')
          this.$store.commit('SET_MSGSTATUSTRUE', true)
        }, 6000)
      }
    },
    //数据发送 
    websocketsend (msg) {
      // 1 login
      // 2 logout
      // 3 msg
      let strMsg = JSON.stringify(msg)
      this.websocket.send(strMsg)
    },
    //关闭 
    websocketclose (e) {
      // console.log('WebSocket已关闭')
    },