我正在嘗試使用 MultipleFileField 從 Flask 中的請求獲取并保存多個(gè)文件。但問題是我無法迭代它。我的意思是：形成班級class TestForm(FlaskForm):    user_id = IntegerField('user_id', validators=[DataRequired()])    name = StringField('name', validators=[DataRequired()])    description = StringField('description', validators=[DataRequired()])    category_id = IntegerField('category_id', validators=[DataRequired()])    date_of_purchase = DateField('date_of_purchase', validators=[DataRequired()])    guarantee_period = IntegerField('guarantee_period', validators=[DataRequired()])    files = MultipleFileField('files')并查看代碼：form = TestForm()...files = form.filesfor file in files:   with open(path.join('some_path', file.filename), 'wb') as f:        f.write(file.read())我收到這么大的請求：["<_io.BufferedReader name='1.jpg'>", "<_io.BufferedReader name='2.jpg'>"]但我收到錯(cuò)誤：AttributeError: 'str' object has no attribute 'filename'所以它轉(zhuǎn)換io.BufferedReader為str. 我可以做什么來解決這個(gè)問題？