import React, { Component } from 'react';

class ScrollableComponent extends Component {
  constructor(props) {
    super(props);
    this.state = {
      scrollY: 0
    };
  }

  componentDidMount() {
    window.addEventListener('scroll', this.handleScroll);
  }

  componentWillUnmount() {
    window.removeEventListener('scroll', this.handleScroll);
  }

  handleScroll = () => {
    this.setState({ scrollY: window.scrollY });
  }

  render() {
    return (
      <div style={{ transform: `translateY(${this.state.scrollY}px)` }}>
        {/* 包裹需要滚动的元素 */}
        {/* ... */}
      </div>
    );
  }
}

export default ScrollableComponent;