这是我的代码:
from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
browser = webdriver.PhantomJS()
browser.set_window_size(1120, 550)
browser.get("http://www.jamiiforums.com/kenyan-news/225589-kenyan-and-tanzanian-surburbs.html")
username = browser.find_element_by_id("navbar_username")
password = browser.find_element_by_name("vb_login_password_hint")
username.send_keys("user")
password.send_keys("password")
browser.find_element_by_class_name("loginbutton").click()
wait = WebDriverWait(browser, 10)
wait.until(EC.visibility_of_element_located((By.XPATH, '//h2[contains(., "Redirecting")]')))
wait.until(EC.title_contains('Kenyan & Tanzanian'))
link = browser.find_element_by_xpath('//div[@class="vbseo_liked"]/a[contains(@onclick, "return vbseoui.others_click(this)")]')
link.click()
browser.save_screenshot('screenie.png')
print 'success!!'
browser.close()
对于此 HTML 代码:
<div class="vbseo_liked">
<a href="http://www.jamiiforums.com/member.php?u=8355" rel="nofollow">Nyaralego</a>
,
<a href="http://www.jamiiforums.com/member.php?u=8870" rel="nofollow">Sikonge</a>
,
<a href="http://www.jamiiforums.com/member.php?u=8979" rel="nofollow">Ab-Titchaz</a>
and
<a onclick="return vbseoui.others_click(this)" href="http://www.jamiiforums.com/kenyan-news/225589-kenyan-and-tanzanian-surburbs.html#">11 others</a>
like this.
</div>
我希望能够点击此链接:
<a onclick="return vbseoui.others_click(this)" href="http://www.jamiiforums.com/kenyan-news/225589-kenyan-and-tanzanian-surburbs.html#">11 others</a>
然后在点击页面后对页面进行屏幕截图。当我运行代码时,我不断收到此错误。
selenium.common.exceptions.NoSuchElementException: Message: {"errorMessage":"Unable to find element with class name 'vbseo_liked'"
最佳答案
在点击之前,您需要等待帖子列表加载:
from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
browser = webdriver.PhantomJS()
browser.maximize_window()
browser.get("http://www.jamiiforums.com/kenyan-news/225589-kenyan-and-tanzanian-surburbs.html")
username = browser.find_element_by_id("navbar_username")
password = browser.find_element_by_name("vb_login_password_hint")
username.send_keys("username")
password.send_keys("password")
browser.find_element_by_class_name("loginbutton").click()
wait = WebDriverWait(browser, 10)
wait.until(EC.visibility_of_element_located((By.XPATH, '//h2[contains(., "Redirecting")]')))
wait.until(EC.title_contains('Kenyan & Tanzanian'))
wait.until(EC.visibility_of_element_located((By.ID, 'postlist')))
link = browser.find_element_by_xpath('//div[@class="vbseo_liked"]/a[contains(@onclick, "return vbseoui.others_click(this)")]')
link.click()
browser.save_screenshot('screenie.png')
print 'success!!'
browser.close()
请注意,生成的屏幕截图会非常大(磁盘上大约 39 MB)。
关于python - 使用 selenium 8 进行屏幕抓取,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/29354106/