--- order: 99 title: zh-CN: 大数据 en-US: Big data debug: true --- ## zh-CN 大数据展示。 ## en-US Plenty of tree nodes. ```tsx import { Tree } from 'antd'; import type { DataNode } from 'antd/es/tree'; import React from 'react'; const treeData: DataNode[] = []; for (let i = 0; i < 100; i += 1) { const children: DataNode[] = []; for (let j = 0; j < 100; j += 1) { children.push({ title: `child ${i}-${j}`, key: `l-${i}-${j}`, }); } treeData.push({ title: `parent ${i}`, key: `l-${i}`, children, }); } const App: React.FC = () => <Tree defaultExpandAll height={400} treeData={treeData} />; export default App; ```