ant-design/components/cascader/demo/suffix.md

order	debug	title
11	true	[{zh-CN 后缀图标} {en-US Suffix}]

zh-CN

省市区级联。

en-US

Cascade selection box for selecting province/city/district.

import { Cascader, Icon } from 'antd';

const options = [{
  value: 'zhejiang',
  label: 'Zhejiang',
  children: [{
    value: 'hangzhou',
    label: 'Hangzhou',
    children: [{
      value: 'xihu',
      label: 'West Lake',
    }],
  }],
}, {
  value: 'jiangsu',
  label: 'Jiangsu',
  children: [{
    value: 'nanjing',
    label: 'Nanjing',
    children: [{
      value: 'zhonghuamen',
      label: 'Zhong Hua Men',
    }],
  }],
}];

function onChange(value) {
  console.log(value);
}

ReactDOM.render(
  <div>
    <Cascader
      suffixIcon={<Icon type="smile" />}
      options={options}
      onChange={onChange}
      placeholder="Please select"
    />
    <Cascader
      suffixIcon="ab"
      style={{ marginTop: '1rem' }}
      options={options}
      onChange={onChange}
      placeholder="Please select"
    />
  </div>,
  mountNode
);