ant-design/components/select/demo/optgroup.md

order	title
5	zh-CN en-US 分组 Option Group

zh-CN

用 OptGroup 进行选项分组。

en-US

Using OptGroup to group the options.

import { Select } from 'antd';
const Option = Select.Option;
const OptGroup = Select.OptGroup;

function handleChange(value) {
  console.log(`selected ${value}`);
}

ReactDOM.render(
  <Select
    defaultValue="lucy"
    style={{ width: 200 }}
    onChange={handleChange}
  >
    <OptGroup label="Manager">
      <Option value="jack">Jack</Option>
      <Option value="lucy">Lucy</Option>
    </OptGroup>
    <OptGroup label="Engineer">
      <Option value="Yiminghe">yiminghe</Option>
    </OptGroup>
  </Select>
, mountNode);