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96 lines
1.7 KiB
Markdown
96 lines
1.7 KiB
Markdown
---
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order: 5.1
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version: 4.20.0
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title:
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zh-CN: 自定义回填方式
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en-US: ShowCheckedStrategy
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---
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## zh-CN
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通过设置 `ShowCheckedStrategy` 选择回填方式。
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## en-US
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The way show selected item in box using `ShowCheckedStrategy`.
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```tsx
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import { Cascader } from 'antd';
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const { SHOW_CHILD } = Cascader;
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interface Option {
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value: string | number;
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label: string;
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children?: Option[];
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}
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const options: Option[] = [
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{
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label: 'Light',
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value: 'light',
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children: new Array(20)
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.fill(null)
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.map((_, index) => ({ label: `Number ${index}`, value: index })),
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},
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{
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label: 'Bamboo',
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value: 'bamboo',
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children: [
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{
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label: 'Little',
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value: 'little',
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children: [
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{
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label: 'Toy Fish',
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value: 'fish',
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},
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{
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label: 'Toy Cards',
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value: 'cards',
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},
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{
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label: 'Toy Bird',
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value: 'bird',
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},
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],
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},
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],
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},
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];
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const App: React.FC = () => {
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const onChange = (value: string[][]) => {
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console.log(value);
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};
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return (
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<>
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<Cascader
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style={{ width: '100%' }}
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options={options}
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onChange={onChange}
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multiple
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maxTagCount="responsive"
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showCheckedStrategy={SHOW_CHILD}
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defaultValue={[
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['bamboo', 'little', 'fish'],
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['bamboo', 'little', 'cards'],
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['bamboo', 'little', 'bird'],
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]}
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/>
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<br />
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<br />
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<Cascader
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style={{ width: '100%' }}
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options={options}
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onChange={onChange}
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multiple
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maxTagCount="responsive"
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defaultValue={['bamboo']}
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/>
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</>
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);
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};
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export default App;
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```
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