form.py 文件源码

def wrap_formdata(self, form, formdata):
            if formdata is _Auto:
                if _is_submitted():
                    if request.files:
                        return CombinedMultiDict((
                            request.files, request.form
                        ))
                    elif request.form:
                        return request.form
                    elif request.get_json():
                        return ImmutableMultiDict(request.get_json())

                return None

            return formdata