npm i @vueuse/core --save

npm i @vue/composition-api --save

import { useScroll } from '@vueuse/core'

<!--需要滾動(dòng)的容器-->
<div id="container" ref="container" class="container"></div>

<!--第一個(gè)參數(shù)el(需要滾動(dòng)的容器)-->
this.$nextTick(() => {
  const { x, y, isScrolling, arrivedState, directions } = useScroll(document.getElementById('container'))
  this.x = x
  this.y = y
  this.isScrolling = isScrolling
  this.arrivedState = arrivedState
  this.directions = directions
})
<!--
x:用于記錄上次滾動(dòng)的scrollLeft的值,
y:記錄上次滾動(dòng)的scrollTop的值,
isScrolling: 表示是否正在滾動(dòng),
arrivedState: {top/right/bottom/left}表示滾動(dòng)條是否到達(dá)指定邊界，
directions： {top/right/bottom/left} 表示滾動(dòng)條正在滾動(dòng)的方向
-->

<!--第二個(gè)參數(shù)，可以設(shè)置偏移量offset(滾動(dòng)條到達(dá)上下左右邊界的一個(gè)偏移值,例如left設(shè)置為30， 則水平滾動(dòng)條距離左邊界30px時(shí)則認(rèn)為到達(dá)了左邊界)-->
const { x, y, isScrolling, arrivedState, directions } = useScroll(document.getElementById('container'), { offset: { top: 0, bottom: 300, right: 30, left: 0 }})

<!--第二個(gè)參數(shù)，{behavior: smooth}設(shè)置平滑的滾動(dòng)-->
const { x, y, isScrolling, arrivedState, directions } = useScroll(document.getElementById('container'), { behavior: 'smooth' })

import { vScroll } from '@vueuse/components'

Vue.directive('scroll', vScroll)

<div id="container" ref="container" v-scroll="onScroll" class="container"></div>

onScroll({ x, y, isScrolling, arrivedState, directions }) {
  this.x = x
  this.y = y
  this.isScrolling = isScrolling
  this.arrivedState = arrivedState
  this.directions = directions
}