Selenium——根据已有cookie打开网页

原文:https://www.cnblogs.com/loveniko/p/13026269.html

一、获取cookie

#coding=utf-8
from selenium import webdriver
from PIL import Image
import time
global driver
try:
    driver = webdriver.Chrome()
    driver.maximize_window()
    driver.get("登录网址")
    cookies = driver.get_cookies()
    print("抓取前:")          #此处获取的是登陆前的cookies
    print(cookies)      
    time.sleep(20)            #需要在20秒内,手动输入账号密码完成登录才会有cookies信息
    cookies = driver.get_cookies()
    print("抓取后:")  #此处获取的是登陆后的cookies
    print(cookies)
finally:
    a = "n"
    while a == "n":
        a = input("是否关闭浏览器驱动?y/n\n")
        if a == "n":
            pass
        else:
            time.sleep(3)
            driver.quit()

二、利用cookie进行登录

#coding=utf-8
from selenium import webdriver
from PIL import Image
import time
global driver
try:
    driver = webdriver.Chrome()
    driver.maximize_window()
    driver.get("登录网址")
    coo = [抓取前的cookie,抓取后的cookie]
  driver.delete_all_cookies() # 清除自带的cookie(有的网站可能不需要,本人在实测时需要添加该句代码) for cookie in coo: #这里是将变量coo里的字典字段写到driver.add_cookie中 if 'expiry' in cookie: #expiry这个字段是指cookid的过期时间,这段代码是把'expiry'删除,不让加入到cookie中,不然会报错 del cookie['expiry'] driver.add_cookie(cookie) time.sleep(5) driver.refresh() #不需要输入密码,成功登陆网页 finally: a = "n" while a == "n": a = input("是否关闭浏览器驱动?y/n\n") if a == "n": pass else: time.sleep(3) driver.quit()
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