Vue开发websocket通讯即时通信消息通知

<template>
  <div  class="app-wrapper">
    <div class="message" v-show="hasMes">
      <div class="header"><i class="el-icon-close" style="float: right;cursor: pointer;color: white;line-height: 1.4;" @click="hideMessage"></i></div>
      <div class="content"><span>{{content}}</span></div>
    </div>
  </div>
</template>

<script>
export default {
  name: 'Layout',
  components: {
  },
  data() {
    return {
        hasMes:false,
        content:'',
    }
  },
  methods: {
    hideMessage() {
      this.hasMes = false;
      this.content = '';
    },
    initWebSocket () {
        // 连接错误
        this.websocket.onerror = this.setErrorMessage
        // 连接成功
        this.websocket.onopen = this.setOnopenMessage
        // 收到消息的回调
        this.websocket.onmessage = this.setOnmessageMessage
        // 连接关闭的回调
        this.websocket.onclose = this.setOncloseMessage
        // 监听窗口关闭事件，当窗口关闭时，主动去关闭websocket连接，防止连接还没断开就关闭窗口，server端会抛异常。
        window.onbeforeunload = this.onbeforeunload
      },
      setErrorMessage () {
        this.initWebSocket();
      },
      setOnopenMessage () {
      },
      setOnmessageMessage (event) {
        // 根据服务器推送的消息做自己的业务处理
        this.hasMes = true;
        let messageData =  JSON.parse(event.data);
        this.content = messageData.content; 
        setTimeout(() => {
          this.hasMes = false;
        }, 5 * 1000)
      },
      setOncloseMessage () {
         
      },
      onbeforeunload () {
         
        this.closeWebSocket()
      },
      closeWebSocket () {
        this.websocket.close()
      }
  },
  created() {
    if ('WebSocket' in window) {
      const wsuri = "ws://" + location.host + "/websocket/admin";        //路径可根据不同用户指定，此处我指定的是用户名
        this.websocket = new WebSocket(wsuri);
        this.initWebSocket()
      } else {
        alert('当前浏览器 Not support websocket')
      }
  },
  mounted(){
  },
  destroyed() {   
        this.websock.close() //离开路由之后断开websocket连接
  }, 
}
</script>
<style lang="scss" scoped>
.message{
    position: absolute;
    bottom: 20px;
    right: 50px;
    width: 300px;
    height: 100px;
    background: #fff;
    border: 1px solid #7289ac;
    border-radius: 5px;
}
.message .header{
  width: 100%;
  height: 23px;
  background: #7289ac;
}
.message .content{
  width: 100%;
  height: 80px;
  border: none;
  padding: 20px 10px 10px 10px;
}
.app-wrapper {
  @include clearfix;
  position: relative;
  height: 100%;
  width: 100%;
}

</style>