wen自动化之浏览器的窗口切换

from selenium import webdriver
from selenium.webdriver.support.wait import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.common.by import By
import time
driver = webdriver.Chrome()
driver.get("https://www.baidu.com/")
driver.maximize_window()
window = driver.window_handles
print("当前窗口：",driver.current_window_handle)
driver.find_element_by_xpath('//input[@id="kw"]').send_keys("柠檬班")
driver.find_element_by_xpath('//input[@id="su"]').submit()
webelenment = (By.XPATH,'//div[@tpl="tieba_general"]//a[text()="吧_百度贴吧"]')
time.sleep(2)
WebDriverWait(driver,20).until(EC.presence_of_element_located(webelenment))
driver.find_element_by_xpath('//div[@tpl="tieba_general"]//a[text()="吧_百度贴吧"]').click()
# 判断窗口是否进行切换
WebDriverWait(driver,20).until(EC.new_window_is_opened(window))
# 进行窗口的切换
windows = driver.window_handles
driver.switch_to.window(windows[-1])
print("切换后的窗口",driver.current_window_handle)
# 点击签到操作
wb = (By.XPATH,'//a[@title="签到"]')
WebDriverWait(driver,20).until(EC.presence_of_element_located(wb))
time.sleep(2)
driver.find_element_by_xpath('//a[@title="签到"]').click()