vue项目中使用websocket技术

<template>
    <div>
        <button @click="send">发消息</button>
    </div>
</template>

export default {
    data () {
        return {
            path:"ws://192.168.0.200:8005/qrpage/id=1/refreshtime=5",
            socket:""
        }
    },
    mounted () {
        window.onbeforeunload = function () {
           this.close()
        }
        // 初始化
        this.init()
    },
    methods: {
        init: function () {
            if(typeof(WebSocket) === "undefined"){
                alert("您的浏览器不支持socket")
            }else{
                // 实例化socket
                this.socket = new WebSocket(this.path)
                // 监听socket连接
                this.socket.onopen = this.open
                // 监听socket错误信息
                this.socket.onerror = this.error
                // 监听socket消息
                this.socket.onmessage = this.getMessage
　　　　　　　　   this.socket.onclose = this.close
            }
        },
        open: function () {
            console.log("socket连接成功");
            let actions = {"test":"12345"};
            this.send(JSON.stringify(actions));
        },
        error: function () {
            console.log("连接错误")
            this.init()
        },
        getMessage: function (msg) {
            const redata = JSON.parse(msg.data);
            // 接收数据
　　　　　　　console.log(redata); 
        },
        send: function (Data) {
            this.socket.send(Data)
        },
        close: function () {
            console.log("socket已经关闭")
        }
    },
    destroyed () {
        // 销毁监听
        this.close()
    }
}