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91 lines
1.6 KiB
Markdown
91 lines
1.6 KiB
Markdown
---
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order: 8
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title:
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zh-CN: 自定义展开/折叠图标
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en-US: Customize collapse/expand icon
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---
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## zh-CN
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自定义展开/折叠图标。
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## en-US
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customize collapse/expand icon of tree node
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```tsx
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import { DownOutlined } from '@ant-design/icons';
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import { Tree } from 'antd';
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import type { DataNode, TreeProps } from 'antd/lib/tree';
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import React from 'react';
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const treeData: DataNode[] = [
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{
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title: 'parent 1',
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key: '0-0',
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children: [
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{
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title: 'parent 1-0',
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key: '0-0-0',
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children: [
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{
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title: 'leaf',
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key: '0-0-0-0',
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},
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{
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title: 'leaf',
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key: '0-0-0-1',
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},
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{
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title: 'leaf',
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key: '0-0-0-2',
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},
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],
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},
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{
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title: 'parent 1-1',
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key: '0-0-1',
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children: [
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{
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title: 'leaf',
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key: '0-0-1-0',
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},
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],
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},
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{
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title: 'parent 1-2',
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key: '0-0-2',
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children: [
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{
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title: 'leaf',
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key: '0-0-2-0',
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},
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{
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title: 'leaf',
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key: '0-0-2-1',
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},
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],
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},
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],
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},
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];
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const App: React.FC = () => {
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const onSelect: TreeProps['onSelect'] = (selectedKeys, info) => {
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console.log('selected', selectedKeys, info);
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};
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return (
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<Tree
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showLine
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switcherIcon={<DownOutlined />}
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defaultExpandedKeys={['0-0-0']}
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onSelect={onSelect}
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treeData={treeData}
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/>
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);
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};
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export default App;
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```
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