ant-design/components/tree/demo/big-data.md
章鱼 7fd093bd0a
docs: feat components TS demo (#34742)
* docs: add general components TS demo

* docs: add layout components TS demo

* docs: add navigation components TS demo

* docs: add data entry components TS demo

* chore(deps): add types for qs

* docs: add data display TS demo

* docs: add feedback components TS demo

* docs: add other components TS demo

* chore(deps): add types

* docs: unified demo code style

* docs: fix lint error

* docs: add demo TS type

* docs: fix demo TS type

* test: update snapshot

* docs: fix TS demo

* feat: update Rate character type

* docs: fix lint error

* feat: update Rate character type

* feat: update Rate character type
2022-05-19 09:46:26 +08:00

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Markdown

---
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 React from 'react';
import { Tree } from 'antd';
import type { DataNode } from 'antd/lib/tree';
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;
```