ant-design/components/image/demo/controlled-preview.md
2022-09-28 15:12:47 +08:00

59 lines
1.2 KiB
Markdown

---
order: 7
title:
zh-CN: 受控的预览
en-US: Controlled Preview
---
## zh-CN
可以使预览受控。
## en-US
You can make preview controlled.
```tsx
import { Button, InputNumber, Image } from 'antd';
import React, { useState } from 'react';
const App: React.FC = () => {
const [visible, setVisible] = useState(false);
const [scaleStep, setScaleStep] = useState(0.5);
return (
<>
<div>
scaleStep:{' '}
<InputNumber
min={0.1}
max={5}
defaultValue={0.5}
step={0.1}
onChange={val => setScaleStep(val!)}
/>
</div>
<br />
<Button type="primary" onClick={() => setVisible(true)}>
show image preview
</Button>
<Image
width={200}
style={{ display: 'none' }}
src="https://zos.alipayobjects.com/rmsportal/jkjgkEfvpUPVyRjUImniVslZfWPnJuuZ.png?x-oss-process=image/blur,r_50,s_50/quality,q_1/resize,m_mfit,h_200,w_200"
preview={{
visible,
scaleStep,
src: 'https://zos.alipayobjects.com/rmsportal/jkjgkEfvpUPVyRjUImniVslZfWPnJuuZ.png',
onVisibleChange: value => {
setVisible(value);
},
}}
/>
</>
);
};
export default App;
```