Selenium(PYTHON)检查元素是否存在
因此,我试图找出如何正确运行这个循环,我的问题是,根据加载的链接,加载的页面将出现访问被拒绝错误,这与所有链接不同,我的问题是,我想确定某个特定元素是否加载到我的屏幕上,程序识别它并中断循环,并在for循环中开始下一次迭代,因此我试图确定是否存在“拒绝访问”元素,如果存在,则中断,否则,继续for循环Selenium(PYTHON)检查元素是否存在,python,html,selenium,webautomation,Python,Html,Selenium,Webautomation,因此,我试图找出如何正确运行这个循环,我的问题是,根据加载的链接,加载的页面将出现访问被拒绝错误,这与所有链接不同,我的问题是,我想确定某个特定元素是否加载到我的屏幕上,程序识别它并中断循环,并在for循环中开始下一次迭代,因此我试图确定是否存在“拒绝访问”元素,如果存在,则中断,否则,继续for循环 idList = ["8573", "85678", "2378", "2579"] for ID in idL
idList = ["8573", "85678", "2378", "2579"]
for ID in idList:
print(ID)
driver.get(f"https://www.someWebsite/username/{ID}")
element = driver.find_element_by_class_name("Access-Denied")
print("error loading website")
break
if not element:
print("you may continue the for loop")
请注意,如果显示拒绝访问页面的元素不存在,我会收到一个错误,即“拒绝访问”元素不存在,我如何修复此错误?您希望等待网页收到正确的响应。使用以下代码,您可以等待加载的完整响应,然后执行以下操作 根据结果采取适当行动:
from selenium.webdriver.common.by import By
from selenium.common.exceptions import TimeoutException
from selenium.webdriver.support.ui import WebDriverWait
...
try:
_ = WebDriverWait(driver, 10).until(
EC.presence_of_element_located((By.CLASS_NAME, "Access-Denied"))
)
print("error loading website")
break
except TimeoutException:
print("you may continue the for loop")
...
因此,如果存在拒绝访问的情况,则需要循环,然后中断
wait = WebDriverWait(driver, 10)
idList = ["8573", "85678", "2378", "2579"]
for ID in idList:
print(ID)
driver.get(f"https://www.someWebsite/username/{ID}")
try:
element=wait.until(EC.presence_of_element_located((By.CLASS_NAME, 'Access-Denied')))
break
except:
continue
进口
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC