如何在 python selenium 中找到元素的标题

How to find the title of a element in python selenium

<div>

  <div class="alk_dvImage"><a href="/products/"><img class="alk_prImg" src="https://a random photo" alt="a random product"></a>
  </div>
  <div class="product-score"></div>
  

  <a href="/products/" class="alk_prName alk_pr" title="Products Title">Strong Graphic Card
  </a>

</div>

假设我们有上面给出的 html。我想提取嵌套在 div 中的 'a' 元素的标题。而且我还想要这个相同元素的 class 当我尝试此代码时如何

browser.find_element_by_css_selector('a.alk_prName alk_pr')

这没有任何反应。顺便说一句,我无法做任何事情来获得元素。

会发生什么?

您没有在选择器中通过点链接 类,请尝试以下操作:

browser.find_element_by_css_selector('a.alk_prName.alk_pr').get_attribute("title")

示例:

from selenium import webdriver
browser = webdriver.Chrome('C:\Program Files\ChromeDriver\chromedriver.exe')

html_content = """
  <a href="/products/" class="alk_prName alk_pr" title="Products Title">Strong Graphic Card</a>
"""

browser.get("data:text/html;charset=utf-8,{html_content}".format(html_content=html_content))

browser.find_element_by_css_selector('a.alk_prName.alk_pr').get_attribute("title")

要打印 title 属性的值,即 Products Title,您可以使用以下任一方法

  • 使用css_selector:

    print(driver.find_element(By.CSS_SELECTOR, "a.alk_prName.alk_pr[href='/products/']").get_attribute("title"))
    
  • 使用xpath:

    print(driver.find_element(By.XPATH, "//a[@class='alk_prName alk_pr' and @href='/products/'][contains(., 'Strong Graphic Card')]").get_attribute("title"))
    

理想情况下,您需要为 visibility_of_element_located() 引入 ,您可以使用以下任一方法 :

  • 使用CSS_SELECTOR:

    print(WebDriverWait(driver, 20).until(EC.visibility_of_element_located((By.CSS_SELECTOR, "a.alk_prName.alk_pr[href='/products/']"))).get_attribute("value"))
    
  • 使用XPATH:

    print(WebDriverWait(driver, 20).until(EC.visibility_of_element_located((By.XPATH, "//a[@class='alk_prName alk_pr' and @href='/products/'][contains(., 'Strong Graphic Card')]"))).get_attribute("value"))
    
  • 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