import { Edit, SimpleForm, TextInput, ReferenceInput } from 'react-admin';

const ContactEdit = () => (
    <Edit>
        <SimpleForm>
            <TextInput source="first_name" />
            <TextInput source="last_name" />
            <ReferenceInput source="company_id" reference="companies" />
        </SimpleForm>
    </Edit>
);

运行结果