Selenium Webdriver - 点击隐藏元素 [英] Selenium Webdriver - click on hidden elements

问题描述

我正在尝试在 Google 云端硬盘中自动上传文件功能.

I am trying to automate upload file functionality in Google Drive.

用于传递参数的元素被隐藏，高度为 - 0px.

The element used to pass parameters is hidden with height - 0px.

任何用户操作都不会使该元素可见.所以我需要一种解决方法来在元素不可见时点击它.

None of the user actions would make this element visible. So I need a work around to click on the element while it is not visible.

<input type="file" style="height: 0px; visibility: hidden; position: absolute; width: 340px; font-size: inherit;" multiple=""/>

上述元素的 xpath 是 -

The xpath for the above element is -

//*[@class='goog-menu goog-menu-vertical uploadmenu density-tiny']/input

我正在使用

WebDriver.findElement(By.xpath(<xpath>).sendKeys(<uploadFile>)

异常 -

org.openqa.selenium.ElementNotVisibleException

• 元素当前不可见，因此可能无法与之交互.

我尝试过使用 JavascriptExecutor.但是找不到确切的语法.

I have tried using JavascriptExecutor. But unable to find the exact syntax.

推荐答案

试试这个:

WebElement elem = yourWebDriverInstance.findElement(By.xpath("//*[@class='goog-menu goog-menu-vertical uploadmenu density-tiny']/input"));
String js = "arguments[0].style.height='auto'; arguments[0].style.visibility='visible';";

((JavascriptExecutor) yourWebDriverInstance).executeScript(js, elem);

上面的一堆会改变你的文件输入控件的可见性.然后，您可以继续执行文件上传的常规步骤，例如:

The above bunch would change the visibility of your file input control. You can then proceed with the usual steps for file upload like:

elem.sendKeys("<LOCAL FILE PATH>"); 

请注意，通过更改输入字段的可见性，您会干扰被测应用程序.注入脚本来改变行为是侵入性的，不建议在测试中使用.

Be aware, by changing the visibility of an input field you are meddling with the application under test. Injecting scripts to alter behavior is intrusive and not recommended in tests.

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