如何使用 Selenium 和 Python 定位元素并提取 innerText

How to locate the element and extract the innerText using Selenium and Python

<span class="chr-UserDropdownItem-imageAndText">
    <img class="chr-UserDropdownItem-image" src="/slm/profile/image/264023573852/24.sp?version=1" alt="User Profile Avatar">
    <span class="smb-DropdownItem-text">
        <span>   test user   </span>
    </span>
</span>

通过查看上面的屏幕截图,请帮我从 span 标签 中唯一地提取 innerText 测试用户

您可以使用 xpath 找到元素:

driver.find_element_by_xpath("//span[@class='smb-DropdownItem-text']//span[contains(text(),'test user')]");

要提取文本 test user,您必须为 visibility_of_element_located() 引入 WebDriverWait,您可以使用以下 :

  • 使用 CSS_SELECTORget_attribute():

    print(WebDriverWait(driver, 20).until(EC.visibility_of_element_located((By.CSS_SELECTOR, "span.smb-DropdownItem-text>span"))).get_attribute("innerHTML"))
    
  • 使用 XPATHtext 属性:

    print(WebDriverWait(driver, 20).until(EC.visibility_of_element_located((By.XPATH, "span[@class='smb-DropdownItem-text']>span"))).text)
    
  • 注意:您必须添加以下导入:

    from selenium.webdriver.support.ui import WebDriverWait
    from selenium.webdriver.common.by import By
    from selenium.webdriver.support import expected_conditions as EC
    

您可以像这样使用 XPath 来删除白色-space:

driver.find_element_by_xpath('//span/text()[normalize-space()="test user"]')

如果 span 标签中没有 white-space,请这样使用 XPath:

driver.find_element_by_xpath('//span[contains(text(), "test user")]')

对于动态:

driver.find_element_by_xpath('//span[contains(text(), "' . $HereIsSetYourDynamicallyVaribleName . '")]')

你可以试试下面的xpath。

//img[contains(@src, '/profile/image/')]]/following-sibling::span