cookie= driver.get_cookies()#获取登录成功后浏览器cookies
driver.delete_all_cookies()#删除所有的cookies
driver.add_cookie({'value': 'JSESSIONID=D107CE8318219D2EE3B5E7E2897BED0F'})#增加cookies
#cookie2=driver.get_cookies()#在查浏览器cookies,发现cookies值已经修改
driver.get(url)#打开url,实现免登陆