我很喜欢帆。 这是我的代码应用操作2
/**
* Select a frame by its (zero-based) index. Selecting a frame by index is equivalent to the
* JS expression window.frames[index] where "window" is the DOM window represented by the
* current context. Once the frame has been selected, all subsequent calls on the WebDriver
* interface are made to that frame.
*
* @param index (zero-based) index
* @return This driver focused on the given frame
* @throws NoSuchFrameException If the frame cannot be found
*/
WebDriver frame(int index);
/**
* Select a frame by its name or ID. Frames located by matching name attributes are always given
* precedence over those matched by ID.
*
* @param nameOrId the name of the frame window, the id of the <frame> or <iframe>
* element, or the (zero-based) index
* @return This driver focused on the given frame
* @throws NoSuchFrameException If the frame cannot be found
*/
WebDriver frame(String nameOrId);
/**
* Select a frame using its previously located {@link WebElement}.
*
* @param frameElement The frame element to switch to.
* @return This driver focused on the given frame.
* @throws NoSuchFrameException If the given element is neither an IFRAME nor a FRAME element.
* @throws StaleElementReferenceException If the WebElement has gone stale.
* @see WebDriver#findElement(By)
*/
WebDriver frame(WebElement frameElement);
}
可以控制任何错误吗？如果没有，请建议我在帆中采取行动的良好格式的最佳做法。