from selenium import webdriver
from lxml import etree
from time import sleep
#导入动作链对应类
from selenium.webdriver import ActionChains
#实例化一个浏览器对象(传入浏览器的驱动)
bro=webdriver.Chrome(executable_path='chromedriver.exe')
#page_source获取浏览器当前页面的页面源码(包括动态加载的)
bro.get('https://qzone.qq.com/')
bro.switch_to.frame('login_frame')
a_tag=bro.find_element_by_id('switcher_plogin')
a_tag.click()
username=bro.find_element_by_id('u')
password=bro.find_element_by_id('p')
username.send_keys('2456578039')
password.send_keys('zzq123686')
btn=bro.find_element_by_id('login_button')
btn.click()
sleep(5)
#关闭浏览器
bro.quit()