DocumentField type
提取的字段。
kind
属性标识 DocumentField
的类型(区分)。
type DocumentField =
| DocumentStringField
| DocumentDateField
| DocumentTimeField
| DocumentPhoneNumberField
| DocumentNumberField
| DocumentIntegerField
| DocumentBooleanField
| DocumentSelectionMarkField
| DocumentCountryRegionField
| DocumentSignatureField
| DocumentCurrencyField
| DocumentAddressField
| DocumentArrayField
| DocumentObjectField