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* docs: reduce demo * add
2.0 KiB
2.0 KiB
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zh-CN
可以同时展开多个面板,这个例子默认展开了第一个。
en-US
More than one panel can be expanded at a time, the first panel is initialized to be active in this case.
import { Collapse, Select } from 'antd';
import { SettingOutlined } from '@ant-design/icons';
const { Panel } = Collapse;
const { Option } = Select;
function callback(key) {
console.log(key);
}
const text = `
A dog is a type of domesticated animal.
Known for its loyalty and faithfulness,
it can be found as a welcome guest in many households across the world.
`;
const genExtra = () => (
<SettingOutlined
onClick={event => {
// If you don't want click extra trigger collapse, you can prevent this:
event.stopPropagation();
}}
/>
);
class Demo extends React.Component {
state = {
expandIconPosition: 'left',
};
onPositionChange = expandIconPosition => {
this.setState({ expandIconPosition });
};
render() {
const { expandIconPosition } = this.state;
return (
<>
<Collapse
defaultActiveKey={['1']}
onChange={callback}
expandIconPosition={expandIconPosition}
>
<Panel header="This is panel header 1" key="1" extra={genExtra()}>
<div>{text}</div>
</Panel>
<Panel header="This is panel header 2" key="2" extra={genExtra()}>
<div>{text}</div>
</Panel>
<Panel header="This is panel header 3" key="3" extra={genExtra()}>
<div>{text}</div>
</Panel>
</Collapse>
<br />
<span>Expand Icon Position: </span>
<Select
value={expandIconPosition}
style={{ margin: '0 8px' }}
onChange={this.onPositionChange}
>
<Option value="left">left</Option>
<Option value="right">right</Option>
</Select>
</>
);
}
}
ReactDOM.render(<Demo />, mountNode);