因为方便性的原因，把方法封装了。因为芝士网的本身的问题，还是得要强制睡眠。

#!/usr/bin/env python
# -*- coding: utf-8 -*-

# 导入webdriver方法,用来调用浏览器，需要自行下载好相应的驱动
from time import sleep

from selenium import webdriver
from selenium.webdriver.support.wait import WebDriverWait
# 这个是一些进阶的方法，比如拿到值
from selenium.webdriver.support import expected_conditions as EC

from selenium.webdriver.common.by import By

if __name__ == '__main__':

    # 执行便会启动浏览器
    mobileEmulation = {'deviceName': 'iPhone 6 Plus'}
    options = webdriver.ChromeOptions()
    options.add_experimental_option('mobileEmulation', mobileEmulation)
    driver = webdriver.Chrome(chrome_options=options)
    # 隐性等待和显性等待可以同时用，但要注意：等待的最长时间取两者之中的大者
    # driver.implicitly_wait(5)
    # 获取一个网页页面
    driver.get("https://test.zhishinet.com/static_res/pages/StudentClient/www/#/startPage")

    def get_element_by_method(driver, key, type, **kw):
        try:
            if type == 'xpath':
                # 总共找10秒，0.5秒找一次，如果找到返回，找不到则抛异常
                WebDriverWait(driver, 10, 0.5).until(EC.presence_of_element_located((By.XPATH, key)))
                element = driver.find_element_by_xpath(key)
            elif type == 'id':
                WebDriverWait(driver, 10, 0.5).until(EC.presence_of_element_located((By.ID, key)))
                element = driver.find_element_by_id(key)
            elif type == 'link':
                WebDriverWait(driver, 10, 0.5).until(EC.presence_of_element_located((By.LINK_TEXT, key)))
                element = driver.find_element_by_link_text(key)

            if element and 'method' in kw:
                if kw['method'] == 'click':
                    element.click()
                elif kw['method'] == 'submit':
                    element.submit()
                elif kw['method'] == 'send_keys' and 'keys' in kw:
                    element.send_keys(kw['keys'])
            else:
                return element
        except:
            print('element can not find, key=', key)
            print('kw=', kw)
        finally:
            pass

    # 打开芝士网，输入账号密码，登录
    get_element_by_method(driver, 'username', 'id', method='send_keys', keys='******')
    get_element_by_method(driver, '//*[@id="login"]/div[2]/div/div/ons-list[2]/ons-list-item[2]/div/ons-row/ons-col[3]/input',
                           'xpath', method='send_keys', keys='******')
    get_element_by_method(driver, '//*[@id="loginBtn"]/div', 'xpath', method='click')

    # 打开微课堂
    get_element_by_method(driver, '//*[@id="homePage"]/div[2]/ons-row/ons-col[4]', 'xpath', method='click')
    sleep(2)
    get_element_by_method(driver, '//*[@id="globalModal"]/div[2]/div/div/img', 'xpath', method='click')
    get_element_by_method(driver, '//*[@id="globalModal"]/div[2]/div/div/img', 'xpath', method='click')

    sleep(2)
    # 选择英语、数学
    get_element_by_method(driver, 'mic_center_subject', 'id', method='click')
    get_element_by_method(driver, '//*[@id="microVideo"]/ons-popover/div[2]/div[1]/ons-list/ons-list-item',
                                     'xpath', method='click')

    # 选择第一个推荐视频观看
    get_element_by_method(driver, '//*[@id="microVideo"]/div[2]/div/ons-list[1]/ons-row[2]/ons-carousel/div[1]'
                                  '/ons-carousel-item[1]/div/div', 'xpath', method='click')
    # 已经进入视频
    # get_element_by_method(driver, '//*[@id="plv_container"]', 'xpath').click()
    sleep(5)
    # 进入视频后点赞
    get_element_by_method(driver, '//*[@id="recommedPage"]/div[2]/ons-row/ons-col[1]/img', 'xpath', method='click')
    # 取消点赞,先退出去，再进来点赞
    get_element_by_method(driver, '//*[@id="microVideoPlayer"]/div[2]/div[1]/div', 'xpath', method='click')
    sleep(3)
    get_element_by_method(driver, '//*[@id="microVideo"]/div[2]/div/ons-list[1]/ons-row[2]/ons-carousel/div[1]'
                                  '/ons-carousel-item[1]/div/div/div', 'xpath', method='click')
    sleep(5)
    get_element_by_method(driver, '//*[@id="recommedPage"]/div[2]/ons-row/ons-col[1]/img', 'xpath', method='click')

    # 写评论 -- 评论打不开(设置设备默认为手机)
    get_element_by_method(driver, '//*[@id="recommedPage"]/div[2]/ons-row/ons-col[2]/img', 'xpath', method='click')
    # 光标先定位到输入框
    get_element_by_method(driver, '//*[@id="microSuggestion"]/div[2]/textarea', 'xpath', method='click')
    # 写评论
    get_element_by_method(driver, '//*[@id="microSuggestion"]/div[2]/textarea', 'xpath', method='send_keys',
                          keys='视频非常不错\nhello,world!!!')
    # 提交
    get_element_by_method(driver, '//*[@id="microSuggestion"]/ons-toolbar/div[3]', 'xpath', method='click')

    sleep(3)
    # 收藏个性推荐视频,先退出，再点收藏，再进入视频
    get_element_by_method(driver, '//*[@id="microVideoPlayer"]/div[2]/div[1]/div/span', 'xpath', method='click')
    sleep(3)
    get_element_by_method(driver, '//*[@id="microVideo"]/div[2]/div/ons-list[1]/ons-row[2]/ons-carousel/div[1]'
                                  '/ons-carousel-item[1]/div/div/div/div[3]/img', 'xpath', method='click')
    get_element_by_method(driver, '//*[@id="microVideo"]/div[2]/div/ons-list[1]/ons-row[2]/ons-carousel/div[1]'
                                  '/ons-carousel-item[1]/div/div/div', 'xpath', method='click')

    # 筛选视频
    sleep(3)
    # 退出
    get_element_by_method(driver, '//*[@id="microVideoPlayer"]/div[2]/div[1]/div', 'xpath', method='click')
    sleep(3)
    # 点击筛选
    get_element_by_method(driver, '//*[@id="microVideo"]/ons-toolbar/div[3]/ons-button[1]', 'xpath', method='click')
    sleep(2)
    # 点击我知道了，选择有理数
    get_element_by_method(driver, '//*[@id="globalModal"]/div[2]/div/div/img', 'xpath', method='click')
    get_element_by_method(driver, '//*[@id="microVideoList"]/div[2]/ons-list/div[2]/div[4]', 'xpath', method='click')

    sleep(3)
    # 搜索视频，点击搜索
    get_element_by_method(driver, '//*[@id="microVideo"]/ons-toolbar/div[3]/ons-button[2]', 'xpath', method='click')
    # 点击框，
    get_element_by_method(driver, '//*[@id="searchText"]', 'xpath', method='click')
    # 输入文字
    get_element_by_method(driver, '//*[@id="searchText"]', 'xpath', method='send_keys', keys='微积分')
    # 搜索
    get_element_by_method(driver, '//*[@id="microVideoSearch"]/ons-toolbar/div[3]', 'xpath', method='click')
    get_element_by_method(driver, '//*[@id="globalModal"]/div[2]/div/div/img', 'xpath', method='click')