vue 上拉加载

  mounted() {
    
    
	  document.getElementsByClassName('ant-pro-grid-content')[2].addEventListener('scroll', this.handlescroll)
  },
  destroyed() {
    
    
      document.getElementsByClassName('ant-pro-grid-content')[2].removeEventListener("scroll", this.handlescroll)
  },

• 如果监听没有效果.addEventListener(‘scroll’,xxxx,true)加-----true2、

 handlescroll() {
    
    
      var dom = document.getElementsByClassName('ant-pro-grid-content')[2]
      let clientHeight = dom.clientHeight //浏览器高度
      let scrollHeight = dom.scrollHeight
      let scrollTop = dom.scrollTop
      let dis = 50 //距离视窗还用50的时候，开始触发；
      if (scrollTop + clientHeight >= scrollHeight - dis) {
    
    
        setTimeout(() => {
    
    
          this.currentPage = this.currentPage + 1//传给后台的分页
          this.getlist()//调取接口
        }, 10)
      }
    },