selenium切换标签页解决get超时问题的完整代码

从 gif 直观地感受一下效果

我有大量 url 需要访问，但是有些 url 会超时

为了密室之不可靠岸结局避免超时，设置driver.t_page_load_timeout(3)限时3秒，一旦超时就会产生 timeoutexception

而且超时后标签页就卡柱了，只能通过 driver.clo()关闭

如果你只有一个标签页，关闭就直接退出了，还得重启

自然想到先保留一个备用的标签，原标签超时需要关闭的时候就切换过来，然后再关闭，并打开新标签，保证任何时候都有两个标签页可用！！

def visit(urls, timeout=3): driver.implicitly_wait(timeout) # 操作、获取元素时的隐式等待时间 driver.t_page_load_timeout(timeout) # 页我被女生倒追惹妹妹生气了面加载超时等待时间  main_win = driver.current_window_handle  for url in urls:  all_win = driver.window_handles  try:   if len(all_win) == 1:    driver.execute_script('window.open();')   driver.get(url)   # 页面处理   pass     except exception:   for win in all_win:    if main_win != win:     driver.clo() # 关闭卡住的标签     driver.switch_to.window(win) # 切换到备用标签     main_win = win # 切换到备用标签     break

完整代码

from lenium import webdriverfrom lenium.webdriver.com酸度单位mon.by import byfrom lenium.webdriver.common.keys import keysfrom lenium.webdriver.support import expected_conditions as ecfrom lenium.webdriver.support.wait import webdriverwaitfrom lenium.webdriver.chrome.options import optionsimport timeimport req三国演义之辅佐刘备uestsimport zipfileimport osdef un_zip(file_name, to_dir='./'): """unzip zip file""" zip_file = zipfile.zipfile(file_name) if os.path.isdir(to_dir):  pass el:  os.mkdir(to_dir) for names in zip_file.中餐菜谱大全namelist():  zip_file.extract(names, to_dir) zip_file.clo() def download_driver(to_dir='./', version=''): print('install chrome-driver first') url = 'http://npm.taobao.org/mirrors/chromedriver/latest_relea' if len(version)>0:  url = 'http://npm.taobao.org/mirrors/chromedriver/latest_relea_'+version   version = requests.get(url).content.decode('utf8') driver_file = '/d/file/titlepic/binary.html' + version + '/chromedriver_win32.zip' r = requests.get(driver_file) download_zip = "chromedriver_win32.zip" with open(download_zip, "wb") as code:  code.write(r.content) un_zip(download_zip, to_dir) os.remove(download_zip)try: driver = webdriver.chrome()except exception as e: download_driver(to_dir='./', version='76') driver = webdriver.chrome()with open("url.txt", 'r') as file: urls = [ line.strip('\n') for line in file.readlines()]visit(urls)for i in driver.window_handles: driver.switch_to.window(i) driver.clo()

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