vue定时调用接口

mounted:function(){
        //实时监控调用是否登录接口
        //定时器
        const timer = setInterval(() => {
            this.isLogin();//你所加载数据的方法

        }, 610000)//秒查询一次是否登录
        //销毁定时器
        this.$once('hook:beforeDestroy', () => {
            clearInterval(timer)
        })
    },


isLogin () {            axios.get('http://localhost:8080/getSessionLogin',).then(function (response) {
                console.log(response);
                if (response.status === 200) {
                   if (response.data === ''){
                       window.location.href = 'http://localhost:8080/login';
                   }
                }
            }).catch(function (err) {
                console.log(err);
                window.location.href = 'http://localhost:8080/login';
            });
        }