Spring boot + Vue 实现 WebSocket

WebSocketPushHandler

前端代码
<template>
    <div style="margin: 150px auto; width: 500px;box-shadow: 0 0 20px #33333350; border-radius: 10px; padding: 20px;">
      <h2>websocket学习学习</h2>
      <h3>学海无涯，回头是岸</h3>
      <div style="margin-top: 20px; text-align: left">
        <input type="text" v-model="msg">
        <button @click="websocketsend(msg)">发送</button>
        <div v-if="bmsg">
          <ul>
            <li v-for="(item, i) in bmsg" :key="i">
              <strong :class="{services:item.user==='服务器'}">{{item.user}}</strong>
              回复时间：{{item.time}}
              <div>
                {{item.content}}
              </div>
            </li>
          </ul>
      </div>
      </div>
    </div>
</template>

<script>
export default {
  name: 'KolOnlineChat',
  data() {
    return {
      websock: null,
        msg: null,
        bmsg: [],
    }
  },
  mounted() {
    this.initWebSocket()
  },
  destroyed() {
    this.websock.close()  // 离开路由断开websocket连接
  },
  methods: {
    initWebSocket() { // 初始化websocket
      const wsuri = "wss://localhost:9999/webSocketServer?userId=parker"
      this.websock = new WebSocket(wsuri)
      this.websock.onmessage = this.websocketonmessage
      this.websock.onopen = this.websocketonopen
      this.websock.onerror = this.websocketonerror
      this.websock.onclose = this.websocketclose
    },
    websocketonopen() { //连接建立之后执行send方法发送数据
      // let actions = {'test': '12345'}
      // this.websocketsend(JSON.stringify(actions))
    },
    websocketonerror(){//连接建立失败重连
      this.initWebSocket()
    },
    websocketonmessage(e){ //数据接收
      const redata = JSON.stringify(e.data)
      this.arrOpear(redata, 'services')
    },
    websocketsend(Data){//数据发送
      this.websock.send(Data)
      this.arrOpear(Data, 'localhost')
    },
    websocketclose(e){  //关闭
      console.log('断开连接',e)
    },
    arrOpear(msg, type) {
      let _b = {
          content: msg,
          user: type === 'services'? '服务器' : '我',
          time: new Date().toLocaleTimeString()
      }
      this.bmsg.push(_b)
    }
  }
}
</script>

<style scoped lang="less">
strong {
  color: #03be01;
}
strong.services {
  color: orangered;
}
</style>


运行截图：