handles的操作

# coding=utf-8
# project：web自动化练习
# date：2020/6/4
# author：Victoria
# file：do_handles.py
# 主要是练习handles的操作
from selenium import webdriver
from selenium.webdriver.support.wait import WebDriverWait
from selenium.webdriver.common.by import By
from selenium.webdriver.support import expected_conditions as EC
from time import sleep

driver = webdriver.Firefox()
driver.get("https://www.baidu.com/")

driver.find_element_by_id("kw").send_keys("柠檬班")
driver.find_element_by_id("su").click()

WebDriverWait(driver, 10).until(EC.visibility_of_element_located((By.XPATH, "//div[@tpl='tieba_general']/h3/a")))
driver.find_element_by_xpath("//div[@tpl='tieba_general']/h3/a").click()
# 操作元素都等一等
sleep(0.5)
# 获取当前窗口的句柄
handles = driver.window_handles
print(handles)
# 打印当前窗口的句柄
print(driver.current_window_handle)
# 最后一个打开的界面为最新的界面
driver.switch_to.window(handles[-1])

# 新的页面操作
# visibility_of_element_located里面是个元祖一定要记得价格括号
WebDriverWait(driver, 10).until(EC.visibility_of_element_located((By.ID, "j_head_focus_btn")))
driver.find_element_by_id("j_head_focus_btn").click()

方法2

使用new_window_is_opened

# coding=utf-8
# project：web自动化练习
# date：2020/6/4
# author：Victoria
# file：do_handles.py
# 主要是练习handles的操作
from selenium import webdriver
from selenium.webdriver.support.wait import WebDriverWait
from selenium.webdriver.common.by import By
from selenium.webdriver.support import expected_conditions as EC
from time import sleep

driver = webdriver.Firefox()
driver.get("https://www.baidu.com/")

driver.find_element_by_id("kw").send_keys("柠檬班")
driver.find_element_by_id("su").click()

WebDriverWait(driver, 10).until(EC.visibility_of_element_located((By.XPATH, "//div[@tpl='tieba_general']/h3/a")))
# 获取当前窗口的句柄
handles = driver.window_handles  # 窗口总数为1
# 操作，引起窗口的数量发生变化
driver.find_element_by_xpath("//div[@tpl='tieba_general']/h3/a").click()
# 等待新窗口出现
WebDriverWait(driver, 10).until(EC.new_window_is_opened(handles))
# 重新获取一下窗口
handles = driver.window_handles  # 窗口总数为1
# 最后一个打开的界面为最新的界面
driver.switch_to.window(handles[-1])