1     def select_all_from_list(self, locator): 2         """Selects all values from multi-select list identified by `id`. 3  4         Key attributes for lists are `id` and `name`. See `introduction` for 5         details about locating elements. 6         """ 7         self._info("Selecting all options from list '%s'." % locator) 8  9         select = self._get_select_list(locator)10         if not select.is_multiple:11             raise RuntimeError("Keyword 'Select all from list' works only for multiselect lists.")12 13         for i in range(len(select.options)):14             select.select_by_index(i)

方法名：select_all_from_list(self, locator)

公共方法 选中所有选项，适用于multi-select list

接收参数：locator

9行：使用方法，返回Select对象

13、14行：遍历所有options，并选中

使用：

输出结果：

INFO : Selecting all options from list 'id=creOutTime'.