import './demo3.css'; import DatePicker from '../../date-picker'; import Form from '..'; import Input from '../../input'; import NumberPicker from '../../number-picker'; import Radio from '../../radio'; import React from 'react'; import ReactDOM from 'react-dom'; import Select from '../../select'; import Switch from '../../switch'; const FormItem = Form.Item; const formItemLayout = { labelCol: { span: 8 }, wrapperCol: { span: 16 }, }; interface PageState { size: string; } class Demo extends React.Component<{}, PageState> { handleChange: (v: any) => void; constructor(props) { super(props); this.state = { size: 'medium', }; this.handleChange = v => { this.setState({ size: v, }); }; } render() { return (