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48 lines
1.3 KiB
Markdown
48 lines
1.3 KiB
Markdown
---
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order: 6
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title:
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zh-CN: 适应文本高度的文本域
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en-US: Autosizing the height to fit the content
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---
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## zh-CN
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`autoSize` 属性适用于 `textarea` 节点，并且只有高度会自动变化。另外 `autoSize` 可以设定为一个对象，指定最小行数和最大行数。
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## en-US
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`autoSize` prop for a `textarea` type of `Input` makes the height to automatically adjust based on the content. An option object can be provided to `autoSize` to specify the minimum and maximum number of lines the textarea will automatically adjust.
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```jsx
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import { Input } from 'antd';
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const { TextArea } = Input;
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export default () => {
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const [value, setValue] = React.useState();
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// eslint-disable-next-line @typescript-eslint/no-shadow
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const onChange = ({ target: { value } }) => {
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setValue(value);
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};
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return (
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<>
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<TextArea placeholder="Autosize height based on content lines" autoSize />
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<div style={{ margin: '24px 0' }} />
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<TextArea
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placeholder="Autosize height with minimum and maximum number of lines"
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autoSize={{ minRows: 2, maxRows: 6 }}
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/>
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<div style={{ margin: '24px 0' }} />
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<TextArea
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value={value}
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onChange={onChange}
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placeholder="Controlled autosize"
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autoSize={{ minRows: 3, maxRows: 5 }}
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/>
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</>
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);
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};
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```
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