如何使用Xpath选择iframe中的元素？ [英] How do I select elements inside an iframe with Xpath?
问题描述
我想创建一个Selenium测试来测试我们的AOL邮件扩展。我设法登录AOL并撰写电子邮件，但我还需要在编辑器中选择元素，这些元素位于iframe中。我检查了，甚至当编辑器打开时，以下测试失败：
I want to create a Selenium test to test our extensions with AOL mail. I managed to login to AOL and compose an email, but I also need to select elements inside the editor, which is inside an iframe. I checked and even when the editor is open the following test fails:
self.assertEqual(first=1, second=len(self.driver.find_elements_by_xpath(xpath="//iframe[@name='editor_body']//body[@contenteditable='true']")))
我收到错误 AssertionError：1！= 0 。如何通过Xpath（或以任何其他方式使用Selenium）选择iframe和其他元素的主体？
I get the error AssertionError: 1 != 0. How do I select the body of the iframe and other elements by Xpath (or in any other way with Selenium)?
推荐答案
你在切换到它们之前，无法遍历< iframe> 。你的xPath，
You cannot traverse through <iframe>'s until switching to them. Your xPath,
//iframe[@name='editor_body']//body[@contenteditable='true']
无效，因为< body> tag位于iFrame中，该iFrame不在当前上下文中。你需要先切换到它：
will not work because the <body> tag is within an iFrame, which is not in the current context. you need to switch to it first:
driver.switch_to.frame('editor_body')...
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