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1.0 KiB
1.0 KiB
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zh-CN
隐藏下拉列表中已选择的选项。
en-US
Hide already selected options in the dropdown.
import { Select } from 'antd';
const OPTIONS = ['Apples', 'Nails', 'Bananas', 'Helicopters'];
class SelectWithHiddenSelectedOptions extends React.Component {
state = {
selectedItems: [],
};
handleChange = selectedItems => {
this.setState({ selectedItems });
};
render() {
const { selectedItems } = this.state;
const filteredOptions = OPTIONS.filter(o => !selectedItems.includes(o));
return (
<Select
mode="multiple"
placeholder="Inserted are removed"
value={selectedItems}
onChange={this.handleChange}
style={{ width: '100%' }}
>
{filteredOptions.map(item => (
<Select.Option key={item} value={item}>
{item}
</Select.Option>
))}
</Select>
);
}
}
ReactDOM.render(<SelectWithHiddenSelectedOptions />, mountNode);