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55 lines
1.2 KiB
55 lines
1.2 KiB
5 years ago
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---
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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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```jsx
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import { Tree, Icon } from 'antd';
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const { TreeNode } = Tree;
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class Demo extends React.Component {
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onSelect = (selectedKeys, info) => {
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console.log('selected', selectedKeys, info);
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};
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render() {
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return (
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<Tree
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showLine
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switcherIcon={<Icon type="down" />}
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defaultExpandedKeys={['0-0-0']}
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onSelect={this.onSelect}
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>
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<TreeNode title="parent 1" key="0-0">
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<TreeNode title="parent 1-0" key="0-0-0">
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<TreeNode title="leaf" key="0-0-0-0" />
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<TreeNode title="leaf" key="0-0-0-1" />
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<TreeNode title="leaf" key="0-0-0-2" />
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</TreeNode>
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<TreeNode title="parent 1-1" key="0-0-1">
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<TreeNode title="leaf" key="0-0-1-0" />
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</TreeNode>
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<TreeNode title="parent 1-2" key="0-0-2">
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<TreeNode title="leaf" key="0-0-2-0" />
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<TreeNode title="leaf" key="0-0-2-1" />
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</TreeNode>
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</TreeNode>
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</Tree>
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);
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}
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}
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ReactDOM.render(<Demo />, mountNode);
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```
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