ant-design/components/cascader/demo/custom-trigger.md

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---
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order: 2
title:
zh-CN: 可以自定义显示
en-US: Custom trigger
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---
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## zh-CN
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切换按钮和结果分开。
## en-US
Separate trigger button and result.
```tsx
import React, { useState } from 'react';
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import { Cascader } from 'antd';
interface Option {
value: string;
label: string;
children?: Option[];
}
const options: Option[] = [
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{
value: 'zhejiang',
label: 'Zhejiang',
children: [
{
value: 'hangzhou',
label: 'Hangzhou',
},
],
},
{
value: 'jiangsu',
label: 'Jiangsu',
children: [
{
value: 'nanjing',
label: 'Nanjing',
},
],
},
];
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const App: React.FC = () => {
const [text, setText] = useState('Unselect');
const onChange = (_: string[], selectedOptions: Option[]) => {
setText(selectedOptions.map(o => o.label).join(', '));
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};
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return (
<span>
{text}
&nbsp;
<Cascader options={options} onChange={onChange}>
<a href="#">Change city</a>
</Cascader>
</span>
);
};
export default App;
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```