npm install stompjs

destroyed(){
            this.disconnect()
        },
methods:{
        onConnected(frame) {
             console.log("Connected: " + frame);
             var topic = 'stomp'+ this.deviceCode;	//订阅地址
             this.client.subscribe(topic, this.responseCallback,{
                 'x-queue-name': 'stomp'+ this.deviceCode,	//通道序列名
                 'durable': false,
                 'exclusive': false,
                 'auto-delete': false
             });
         },
         onFailed(frame) {
             console.log("Failed: " + frame);
             this.$message.error("连接异常中断！尝试重新启动或者联系管理员！")
         },
         responseCallback(frame) {
             let val=JSON.parse(frame.body)
             this.list.push(JSON.parse(val))	//处理得到的消息
         },
         connect() {
             this.client= Stomp.client('ws://'+ this.host +':15674/ws')	//填写地址，ws://+ip+端口+/ws
             this.client.connect("stomp","stomp", this.onConnected, this.onFailed);	//参数依次为：用户名，密码，连接后，出错
         },
         open(){		//启动连接
             this.connect()
         },
         disconnect(){			//关闭连接
             if(this.client && this.client.connected) {
                 this.client.disconnect( () => {
                     this.subscribes = {};
                 })
             }
         }
     }

页面关闭同时也退出连接