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React实现虚拟列表的优秀库介绍

article 2025/1/20 3:49:20

在 React 中，有一些优秀的库可以帮助你实现高效的虚拟列表渲染。以下是几个常用的库：

1. react-window

react-window 是一个轻量级的虚拟列表库，适用于大多数虚拟列表需求。它提供了简单易用的 API 和良好的性能。

安装

npm install react-window

示例代码

import React, { useCallback } from 'react';
import { FixedSizeList as List } from 'react-window';

const generateUniqueKey = () => `${new Date().getTime()}-${Math.random().toString(36).substr(2, 9)}`;

const DATA_LIST = Array.from({ length: 100000 }, (_, index) => ({
  key: generateUniqueKey(),
  slogan: `Item ${index + 1}`,
  bgColor: `hsl(${Math.random() * 360}, 100%, 75%)`
}));

const ITEM_HEIGHT = 35;

const Row = ({ index, style }) => (
  <div style={{ ...style, backgroundColor: DATA_LIST[index].bgColor }}>
    {DATA_LIST[index].slogan}
  </div>
);

const VirtualListPage = () => (
  <List
    height={window.innerHeight}
    itemCount={DATA_LIST.length}
    itemSize={ITEM_HEIGHT}
    width={'100%'}
  >
    {Row}
  </List>
);

export default VirtualListPage;

2. react-virtualized

react-virtualized 是一个功能强大的虚拟列表库，提供了更多的功能和配置选项，适用于复杂的虚拟列表需求。

安装

npm install react-virtualized

示例代码

import React from 'react';
import { List } from 'react-virtualized';

const generateUniqueKey = () => `${new Date().getTime()}-${Math.random().toString(36).substr(2, 9)}`;

const DATA_LIST = Array.from({ length: 100000 }, (_, index) => ({
  key: generateUniqueKey(),
  slogan: `Item ${index + 1}`,
  bgColor: `hsl(${Math.random() * 360}, 100%, 75%)`
}));

const ITEM_HEIGHT = 35;

const rowRenderer = ({ key, index, style }) => (
  <div key={key} style={{ ...style, backgroundColor: DATA_LIST[index].bgColor }}>
    {DATA_LIST[index].slogan}
  </div>
);

const VirtualListPage = () => (
  <List
    width={window.innerWidth}
    height={window.innerHeight}
    rowCount={DATA_LIST.length}
    rowHeight={ITEM_HEIGHT}
    rowRenderer={rowRenderer}
  />
);

export default VirtualListPage;

3. react-virtual

react-virtual 是一个现代的虚拟列表库，提供了简单的 API 和良好的性能。

安装

npm install @tanstack/react-virtual

示例代码

import React from 'react';
import { useVirtual } from '@tanstack/react-virtual';

const generateUniqueKey = () => `${new Date().getTime()}-${Math.random().toString(36).substr(2, 9)}`;

const DATA_LIST = Array.from({ length: 100000 }, (_, index) => ({
  key: generateUniqueKey(),
  slogan: `Item ${index + 1}`,
  bgColor: `hsl(${Math.random() * 360}, 100%, 75%)`
}));

const ITEM_HEIGHT = 35;

const VirtualListPage = () => {
  const parentRef = React.useRef();

  const rowVirtualizer = useVirtual({
    size: DATA_LIST.length,
    parentRef,
    estimateSize: React.useCallback(() => ITEM_HEIGHT, []),
  });

  return (
    <div
      ref={parentRef}
      style={{
        height: '100vh',
        width: '100%',
        overflow: 'auto',
      }}
    >
      <div
        style={{
          height: `${rowVirtualizer.totalSize}px`,
          width: '100%',
          position: 'relative',
        }}
      >
        {rowVirtualizer.virtualItems.map(virtualRow => (
          <div
            key={virtualRow.index}
            ref={virtualRow.measureRef}
            style={{
              position: 'absolute',
              top: 0,
              left: 0,
              width: '100%',
              height: `${ITEM_HEIGHT}px`,
              transform: `translateY(${virtualRow.start}px)`,
              backgroundColor: DATA_LIST[virtualRow.index].bgColor,
            }}
          >
            {DATA_LIST[virtualRow.index].slogan}
          </div>
        ))}
      </div>
    </div>
  );
};

export default VirtualListPage;