By having a field widget associated with a datatype, you can be sure that, after successful validation of the widget, retrieving the value of the widget will give you an object of the correct type.
By having a field widget associated with a datatype, you can be sure that, after successful validation of the widget, retrieving the value of the widget will give you an object of the correct type.
在栏位小零件中使用资料型态,您可以确认当小零件有效性检查成功,从小零件取回的值是正确的型态.