您可以导入密钥并使用它们.

You can import Keys and use these.

import org.openqa.selenium.Keys

WebElement.sendKeys(Keys.DOWN);
WebElement.sendKeys(Keys.RETURN);

修改

也可能在一个sendKeys()调用中使用

Could probably also be used in one sendKeys() call

WebElement.sendKeys(Keys.DOWN, Keys.RETURN);