import { BackTop } from 'uiw';
// or
import BackTop from '@uiw/react-back-top';

import React from 'react';
import { BackTop } from 'uiw';

export default function Demo() {
  return (
    <div>
      <div>滚动滚动条，【快看右下角】，显示返回顶部按钮。</div>
      <BackTop
        style={{ backgroundColor: 'red', color: '#fff' }}
        step={500}
        speed={10}
        content={<div>Top</div>}
      />
    </div>
  )
}

import React from 'react';
import { BackTop, Button } from 'uiw';

export default function Demo() {
  return (
    <BackTop
      fixed={false}
      step={500}
      clickable={false}
      speed={10}
    >
      {({ percent, scrollToTop }) => (
        <Button onClick={() => scrollToTop() } type="success">点击滚动到顶部{`${percent}%`}</Button>
      )}
    </BackTop>
  )
}

import React from 'react';
import { BackTop, Button } from 'uiw';

export default function Demo() {
  return (
    <BackTop
      fixed={false}
      step={500}
      speed={10}
    >
      <Button type="success">点击滚动到顶部</Button>
    </BackTop>
  )
}