day3 selenium

from selenium import webdriver
from selenium.webdriver.common.action_chains import ActionChains
from time import sleep

der = webdriver.Firefox()
der.implicitly_wait(10)
der.get('https://www.cnblogs.com/')
hover_ele = der.find_element_by_css_selector("#cate_item_2 > a:nth-child(1)")
ActionChains(der).move_to_element(hover_ele).perform()
sleep(5)
der.find_element_by_xpath('/html/body/div/div[4]/div[8]/div[1]/div[3]/div[2]/div[2]/ul/li[5]/a').click()
der.find_element_by_css_selector('div.post_item:nth-child(1) > div:nth-child(2) > h3:nth-child(1) > a:nth-child(1)').click()
der.switch_to.window(der.window_handles[-1])
der.add_cookie({'name':'token','value':''})
try:
    der.find_element_by_css_selector('.postDesc > a:nth-child(5)').click()
    der.get_screenshot_as_file('/data/截图.png')

except:
    pass

sleep(5)
der.quit()

 day3  selenium