**# coding=utf-8
from selenium import webdriver
import time
#类使用
class seleniumdriver:
def init(self,browser):
self.driver = self.open_browser(browser)

def open_browser(self,browser):
    if browser=="Chrome":
        driver = webdriver.Chrome()
    elif browser=="Firefox":
        driver = webdriver.Firefox()
    elif browser == "Ie":
        driver =webdriver.Ie()
    else:
        driver = webdriver.Edge()
    #time.sleep(10)
    return driver    

def get_url(self,url):
    if self.driver != None:
        if "https://"in url:
            self.driver.get(url)
            time.sleep(20)
        else:
            print("你的url有问题")
    else:
        print("case失败")
    self.driver.quit()

def handle_windows(self,*args):
    value = len(args)
    if value == 1:
        if args[0] =='max':
            self.driver.maximize_window()
        elif args[0] =='min':
            self.driver.minimize_window()
        elif args[0] =='back':
            self.driver.back()
        elif args[0] =='go':
            self.driver.forward()
        else:
            self.driver.refresh()
    elif value == 2:
        self.driver.set_window_size(args[0],args[1])
    else:
        print("你传递的参数有问题")
    time.sleep(5)
    self.driver.quit()

selfnium_driver = seleniumdriver(‘chrome’)
selfnium_driver.handle_windows(‘max’)