def __init__(self, noimg=True, nohead=True):
    try:
        self.options = Options()
        if os.path.exists("./chrome/chrome.exe"):  # win
            self.options.binary_location = "./chrome/chrome.exe"
        elif os.path.exists("/opt/google/chrome/chrome"):  # linux
            self.options.binary_location = "/opt/google/chrome/chrome"
        if noimg:
            self.options.add_argument('blink-settings=imagesEnabled=false')  # 不加载图片, 提升速度
        if nohead:
            self.options.add_argument('--headless')
            self.options.add_argument('--disable-extensions')
            self.options.add_argument('--disable-gpu')
            self.options.add_argument('--no-sandbox')
        self.options.add_argument('--mute-audio')  # 关闭声音
        self.options.add_argument('--window-size=400,500')
        self.options.add_argument('--window-position=800,0')
        self.options.add_argument('--log-level=3')

        self.options.add_argument('--user-agent={}'.format(user_agent.getheaders()))
        self.options.add_experimental_option('excludeSwitches', ['enable-automation'])  # 绕过js检测
        self.webdriver = webdriver
        if os.path.exists("./chrome/chromedriver.exe"):  # win
            self.driver = self.webdriver.Chrome(executable_path="./chrome/chromedriver.exe",
                                                chrome_options=self.options)
        elif os.path.exists("./chromedriver"):  # linux
            self.driver = self.webdriver.Chrome(executable_path="./chromedriver",
                                                chrome_options=self.options)
        elif os.path.exists("/usr/lib64/chromium-browser/chromedriver"):  # linux 包安装chromedriver
            self.driver = self.webdriver.Chrome(executable_path="/usr/lib64/chromium-browser/chromedriver",
                                                chrome_options=self.options)
        elif os.path.exists("/usr/local/bin/chromedriver"):  # linux 包安装chromedriver
            self.driver = self.webdriver.Chrome(executable_path="/usr/local/bin/chromedriver",
                                                chrome_options=self.options)
        else:
            self.driver = self.webdriver.Chrome(chrome_options=self.options)
    except:
        print("=" * 120)
        print("Mydriver初始化失败")
        print("=" * 120)
        raise


def login(self):
    print("正在打开二维码登陆界面,请稍后")
    self.driver.get("https://pc.xuexi.cn/points/login.html")
    try:
        remover = WebDriverWait(self.driver, 30, 0.2).until(
            lambda driver: driver.find_element_by_class_name("redflagbox"))
    except exceptions.TimeoutException:
        print("网络缓慢，请重试")
    else:
        self.driver.execute_script('arguments[0].remove()', remover)
    try:
        remover = WebDriverWait(self.driver, 30, 0.2).until(
            lambda driver: driver.find_element_by_class_name("header"))
    except exceptions.TimeoutException:
        print("当前网络缓慢...")
    else:
        self.driver.execute_script('arguments[0].remove()', remover)
    try:
        remover = WebDriverWait(self.driver, 30, 0.2).until(
            lambda driver: driver.find_element_by_class_name("footer"))
    except exceptions.TimeoutException:
        print("当前网络缓慢...")
    else:
        self.driver.execute_script('arguments[0].remove()', remover)
        self.driver.execute_script('window.scrollTo(document.body.scrollWidth/2 - 200 , 0)')
    try:
        WebDriverWait(self.driver, 270).until(EC.title_is(u"系统维护中"))
        cookies = self.get_cookies()
        return cookies
    except:
        print("扫描二维码超时")

def dd_login(self, d_name, pwd):
    __login_status = False
    self.driver.get(
        "https://login.dingtalk.com/login/index.htm?"
        "goto=https%3A%2F%2Foapi.dingtalk.com%2Fconnect%2Foauth2%2Fsns_authorize"
        "%3Fappid%3Ddingoankubyrfkttorhpou%26response_type%3Dcode%26scope%3Dsnsapi"
        "_login%26redirect_uri%3Dhttps%3A%2F%2Fpc-api.xuexi.cn%2Fopen%2Fapi%2Fsns%2Fcallback"
    )
    self.driver.find_elements_by_id("mobilePlaceholder")[0].click()
    self.driver.find_element_by_id("mobile").send_keys(d_name)
    self.driver.find_elements_by_id("mobilePlaceholder")[1].click()
    self.driver.find_element_by_id("pwd").send_keys(pwd)
    self.driver.find_element_by_id("loginBtn").click()
    try:
        print("登陆中...")
        WebDriverWait(self.driver, 2, 0.1).until(lambda driver: driver.find_element_by_class_name("modal"))
        print(self.driver.find_element_by_class_name("modal").find_elements_by_tag_name("div")[0].text)
        self.driver.quit()
        __login_status = False
    except:
        __login_status = True
    return __login_status

def get_cookies(self):
    cookies = self.driver.get_cookies()
    return cookies

def set_cookies(self, cookies):
    for cookie in cookies:
        self.driver.add_cookie({k: cookie[k] for k in cookie.keys()})

def get_url(self, url):
    self.driver.get(url)

def go_js(self, js):
    self.driver.execute_script(js)

def quit(self):
    self.driver.quit()