ant-design/components/form/index.jsx

import Form from './Form';
import FormItem from './FormItem';
import ValueMixin from './ValueMixin';
import Input from '../input';

Form.Item = FormItem;
Form.ValueMixin = ValueMixin;

// 对于 import { Form, Input } from 'antd/lib/form/';
// 的方式做向下兼容
// https://github.com/ant-design/ant-design/pull/566
Form.Form = Form;
Form.Input = Input;

export default Form;