def element_deselect(self, cls, type, value): '''取消下拉框勾选操作''' select = Select(self.get_element(cls)) if (type == 'index'): select.deselect_by_index(value) elif (type == 'visible_text'): select.deselect_by_visible_text(value) elif (type == 'value'): select.dedeselect_by_value(value)