python网页窗口如何切换

diver.switch_to.window("切换窗口的句柄")

from selenium import webdriver

from selenium.webdriver.common.by import By

from selenium.webdriver.support.wait import WebDriverWait

from selenium.webdriver.support import expected_conditions as EC

import time

#打开一个会话

diver = webdriver.Chrome()

#全屏

diver.maximize_window()

diver.implicitly_wait(30)

try:

    # 访问百度链接

    diver.get("https://www.baidu.com")

    WebDriverWait(diver, 20).until(EC.visibility_of_element_located((By.ID, "kw")))

    # 等待文本框可见

    diver.find_element_by_id("kw").send_keys("百度贴吧")  # 输入内容

    WebDriverWait(diver, 20).until(EC.visibility_of_element_located((By.ID, "su")))

    # 等待百度一下可见

    diver.find_element_by_id("su").click()  # 点击

    WebDriverWait(diver, 20).until(

        EC.visibility_of_element_located((By.XPATH, '//a[text()="吧 - "]')))

    diver.find_element_by_xpath('//a[text()="吧 - "]').click()  # 点击

    time.sleep(3)

    handles_list = diver.window_handles

    print(handles_list)# 获取所有窗口的handle

    diver.switch_to.window(handles_list[-1])  # 切换到最后一个窗口——切换到全新的html页面

    # 等待百度贴吧可见

    WebDriverWait(diver, 20).until(

        EC.visibility_of_element_located((

            By.ID,"tab_picture")))  # 等待图片按钮可见

    diver.find_element_by_id("tab_picture").click()

    time.sleep(3)

    # 退出

    diver.quit()

except Exception as e:

    # 退出

    diver.quit()

    raise e