mounted() {
    this.onResize();
    window.addEventListener('resize', this.onResize);
  },
    

methods: {
    // 改变浏览器窗口的大小
    onResize() {
      console.log('处理窗口缩放时要处理的逻辑操作！');
    },
]

beforeDestroy() {
    // 移除绑定的onResize事件监听
    window.removeEventListener("resize",this.onResize);
}