text: import BackTop from 'components/content/backtop/BackTop'
  
  export const backTopMixin = {
    data(){
      return {
        isShow:false,
      }
    },
    components: {
      BackTop
    },
    methods: {
      backClick(){
        //scrollTo参数非别为原始位置和时间
        this.$refs.scroll.scrollTo(0,0,300)
      }
    }
  }