from selenium import webdriver

if __name__ == '__main__':
	driver = webdriver.Chrome()
	url = 'https://pc.xuexi.cn/points/login.html?ref=https://pc.xuexi.cn/points/my-points.html'
	driver.get(url = url)

def article():
	driver.get(url='https://www.xuexi.cn/d05cad69216e688d304bb91ef3aac4c6/9a3668c13f6e303932b5e0e100fc248b.html')
	# 該網(wǎng)址只是眾文章閱讀中的其中一個(gè)類別，還有很多類別的文章供閱讀，只需更換鏈接即可
	
  article_lis = WebDriverWait(driver,100).until(EC.presence_of_all_elements_located((By.XPATH,'//span[@style=white-space: nowrap;]')))
  # 顯示等待 WebDriverWait(driver,100).until() 在這里等待，直到滿足條件或等待時(shí)間超過100，即 用xpath找到符合屬性style = "white-space: nowrap;" 的span節(jié)點(diǎn)；
  
  print('共找到%s篇文章' % len(article_lis))
  article_num = 0
  # article_num 每天有效閱讀上限為6篇文章，但為確保有效時(shí)長(zhǎng)達(dá)到12分鐘，所以多出2篇
  
  for data in article_lis: # 遍歷找到的文章列表進(jìn)行模擬閱讀
    if article_num >= 8: # 當(dāng)讀夠8篇時(shí)跳出循環(huán)，結(jié)束文章刷分
      break
    try:
      loading_page(data)
      print('已加載', data.text)
      # 輸出已刷文章，從而得出進(jìn)度
      article_num += 1
    except:
      continue
      
def loading_page(element = None):
  element.click()
  ele = driver.find_element_by_xpath('//a[contains(class,"search-icon")]')
  ele.send_keys(Keys.PAGE_DOWN)
  # 模擬頁面滾動(dòng)。采用的方法是找到 ‘搜索' 功能按鈕，不點(diǎn)擊，直接模擬點(diǎn)擊按鍵 PAGE_DOWN 
 
  time.sleep(120)
  # 每個(gè)頁面停留兩分鐘，至少30秒。經(jīng)測(cè)試，每隔30s 將會(huì)提交一個(gè)post請(qǐng)求，只有請(qǐng)求過后，有效閱讀數(shù)才會(huì) +1
  return None

 driver.get(url = 'https://www.xuexi.cn/4426aa87b0b64ac671c96379a3a8bd26/db086044562a57b441c24f2af1c8e101.html#11c4o0tv7nb-5')
  # 同上,該網(wǎng)址只是眾視頻觀看中的其中一個(gè)類別，還有很多類別的視頻供觀看，只需更換鏈接即可
  
  video_lis = WebDriverWait(driver,100).until(EC.presence_of_all_elements_located((By.XPATH,'//div[@style="margin: 0px auto;"]/div/div')))
  # 同上，顯示等待
  
  print('共找到%s篇文章' % len(video_lis))
  video_long = 0
  # 記錄已經(jīng)播放的時(shí)間 
  
  video_lis_1 = []
  for data in video_lis:
    video_lis_1.append(data.get_attribute('data-link-target'))
	# 與文章不同的地方是，文章閱讀是模擬點(diǎn)擊，而視頻播放獲取網(wǎng)址，放到video_lis_1 中
  
  for url_1 in video_lis_1: # 遍歷視頻列表，播放視頻
    if video_long >= 1080: #視頻時(shí)長(zhǎng)為18分鐘，即1080秒，在播放時(shí)間超過18分后結(jié)束播放，其實(shí)也根據(jù)分鐘判斷，我也不知道為什么當(dāng)時(shí)就用上了秒
      break
    try:
      video.get(url = url_1)
      tim_now = loading_video(driver = driver)
      video_long += tim_now*60
      # loading_video 返回的是已閱讀分鐘數(shù)，故*60
      print('視頻播放中,已播放時(shí)長(zhǎng)%s秒'%video_num)
    except:
      continue
      
def loading_video(driver = None):
  elem_first = WebDriverWait(driver, 100).until(EC.presence_of_all_elements_located((By.XPATH, '//span[@class="duration"]')))
  elem_start = driver.find_element_by_xpath('//div[@class="outter"]')
  elem_start.click()
  # 打開網(wǎng)頁后不自動(dòng)播放，應(yīng)該是因?yàn)槭侵苯哟蜷_網(wǎng)址的原因
  # 因?yàn)樵诖酥拔乙仓苯油ㄟ^模擬點(diǎn)擊打開網(wǎng)頁，結(jié)果是自動(dòng)播放的，但有一點(diǎn)兒不符合我當(dāng)時(shí)的需求，故改為打開網(wǎng)頁的方式
  
  tim_num = (int(elem_first[0].text[0])*10 + int(elem_first[0].text[1]))
	# 目的是獲取視頻的總時(shí)間，只取分鐘數(shù)
  if tim_num != 0: # 因?yàn)橛行┮曨l它根本不到一分鐘，故加判斷條件
    time.sleep(tim_num * 60)
    return tim_num
  else:
    time.sleep(60)
    # 不足一分鐘，不播放也要湊夠一分鐘
    return 1

def DaTi():
	driver.get(url = 'https://pc.xuexi.cn/points/exam-practice.html')
  elem_juje = WebDriverWait(driver,100).until(EC.presence_of_element_located((By.XPATH,'//div[@class="q-header"]')))
  juje = elem_juje.get_attribute('innerText')
  # 在每日答題中，有三類題，判斷題、選擇題、填空題，所以先獲取題的類別
  # 注意 特別需要注意的是 By.XPATH 和 xpath 文本獲取稍有卻別，By.XPATH 獲取文本方式為.get_attribute('innerText')
  
  time.sleep(1) # 等待一秒，其實(shí)也無所謂，但是為防止過快操作造成電腦卡頓，還是等待一秒。
  if '選' in juje:
    elem_tishi = WebDriverWait(driver, 100).until(EC.presence_of_element_located((By.XPATH, '//span[@class="tips"]')))
    elem_tishi.click()
    # 在答題中，答案在查看提示中以紅色標(biāo)記，所以首先要模擬點(diǎn)擊查看答案，使答案加載
    time.sleep(0.5)
    elem_answer = WebDriverWait(driver, 100).until(EC.presence_of_all_elements_located((By.XPATH, '//div[@class="line-feed"]/font')))
    # 提取紅色標(biāo)記的文字，即答案
    time.sleep(0.5)
    # 同樣沒什么實(shí)際意義
    
    ans_lis = []
    for elem in elem_answer:
      ans_lis.append(elem.get_attribute('innerText'))
    # 因?yàn)檫x擇題嘛，不一定就是單選題，所以要存放這些答案，以便于在選項(xiàng)中找答案
    print('得到答案')
    time.sleep(0.5)
    # 同樣沒什么實(shí)際意義
    
    elem_juje.click()
		# 再次模擬點(diǎn)擊的原因是 此時(shí) 查看提示 框還處于打開狀態(tài)，如果不關(guān)閉，會(huì)影響提交答案的操作
		# 模擬點(diǎn)擊網(wǎng)頁，關(guān)閉 查看提示 框
    time.sleep(0.5)
    
    elem_xuanxiang = WebDriverWait(driver, 100).until(EC.presence_of_all_elements_located((By.XPATH, '//div[@class="question"]/div[@class="q-answers"]/div[contains(@class,"q-answer")]')))
    # 獲取所有的選項(xiàng)節(jié)點(diǎn)
    
    for elem in elem_xuanxiang:
      data = elem.get_attribute('innerText')[3:].replace('-','')
      print(data)
      for i in ans_lis:
        if i in data:
          elem.click()
          ans_lis.remove(i) 
          # 根據(jù)依次A -- > D 遍歷答案,將兩者對(duì)照進(jìn)行選擇與否，所以滿足要求后去除該答案
          # 防止對(duì)選項(xiàng)多次點(diǎn)擊造成取消選擇或其他錯(cuò)誤
          time.sleep(0.5) #防止過快操作，每次選擇后等待0.5秒
          break
          
    elem_next = WebDriverWait(driver, 100).until(EC.presence_of_element_located((By.XPATH,'//div[@class="action-row"]/button')))
    elem_next.click()
    # 模擬點(diǎn)擊確定按鈕跳轉(zhuǎn)下一題
    DaTi(driver)
  elif '填' in juje:
  
    elem_tishi = WebDriverWait(driver,100).until(EC.presence_of_element_located((By.XPATH,'//span[@class="tips"]')))
    elem_tishi.click()
    time.sleep(0.5)
    elem_answer = WebDriverWait(driver,100).until(EC.presence_of_element_located((By.XPATH,'//div[@class="line-feed"]')))
    time.sleep(0.5)
    if '請(qǐng)觀看視頻' in elem_answer.get_attribute('innerText'):
      input('手動(dòng)選擇答案后無需點(diǎn)擊確定，在此輸入回車?yán)^續(xù)')
      elem_next = WebDriverWait(driver, 100).until(EC.presence_of_element_located((By.XPATH, '//div[@class="action-row"]/button')))
      elem_next.click()
    # 在填空題中會(huì)有觀看視頻的題目，而且查看提示中會(huì)寫‘請(qǐng)觀看視頻'而不會(huì)直接給出答案，所以要人工選擇
    elem_answer = WebDriverWait(driver,100).until(EC.presence_of_all_elements_located((By.XPATH,'//div[@class="line-feed"]/font')))
    answer = []
    time.sleep(0.5)
    for elem in elem_answer:
      answer.append(elem.get_attribute('innerText'))
		# 同樣填空題中也有多個(gè)空的情況，所以將答案放在列表里
    time.sleep(1)
    elem_data = WebDriverWait(driver,100).until(EC.presence_of_all_elements_located((By.XPATH,'//input[@class="blank"]')))
    # 找到每個(gè)空
    for i in range(len(answer)):
      elem_data[i].send_keys(answer[i])
      time.sleep(0.5)
    # 通過遍歷空，將對(duì)應(yīng)的答案寫入
    elem_data[0].click()
    time.sleep(1)
    # 模擬點(diǎn)擊網(wǎng)頁，因?yàn)樵趯懲昕蘸?，不點(diǎn)擊網(wǎng)頁會(huì)有確定按鈕為不可點(diǎn)的情況
    elem_next = WebDriverWait(driver,100).until(EC.presence_of_element_located((By.XPATH,'//div[@class="action-row"]/button')))
    elem_next.click()
    DaTi(driver)
  elif '判' in juje:# 同上，判斷題不會(huì)直接給出答案，所以只能手動(dòng)吧
    input('手動(dòng)選擇答案后無需點(diǎn)擊確定，在此輸入回車?yán)^續(xù)')
    elem_next = WebDriverWait(driver, 100).until(EC.presence_of_element_located((By.XPATH, '//div[@class="action-row"]/button')))
    elem_next.click()
    DaTi(driver)