vue element-ui table表格滚动加载方法

window.Vue.directive('loadmore', { bind(el, binding) { const selectWrap = el.querySelector('.el-table__body-wrapper') selectWrap.addEventListener('scroll', function() {  let sign = 100  const scrollDistance = this.scrollHeight - this.scrollTop - this.clientHeight  if (scrollDistance <= sign) {  binding.value()  } }) }})

 loadMore () { if (this.loadSign) {  this.loadSign = false  this.page++  if (this.page > 10) {  return  }  setTimeout(() => {  this.loadSign = true  }, 1000)  console.log('到底了', this.page) } }