def login(browser: XuexiChrome):
"""
扫码登录流程，将登录的最终结果返回给主程序
:param browser: browser
:return: bool，表示是否登录成功
"""
browser.xuexi_get('https://pc.xuexi.cn/points/my-points.html')
sleep(2.5)
print('--> 请在5分钟内扫码完成登录')
browser.implicitly_wait(10)
qglogin = browser.find_element_by_id('qglogin')
browser.execute_script('arguments[0].scrollIntoView();', qglogin)
for i in range(60):
if browser.current_url == 'https://pc.xuexi.cn/points/my-points.html':
print('--> 登录成功')
return True
sleep(5)
return False
def run_exam(browser: XuexiChrome):
while True:
content = browser.find_element_by_class_name('ant-breadcrumb')
browser.execute_script('arguments[0].scrollIntoView();', content)
sleep(round(uniform(2, 3), 2))
# 题目类型
questionType = browser.find_element_by_class_name('q-header').text
# print(questionType)
# 当前题目的坐标
questionIndex = int(browser.find_element_by_class_name('big').text)
# 题目总数
questionCount = int(
findall('/(.*)',
browser.find_element_by_class_name('pager').text)[0])
# 确定按钮
okBtn = browser.find_element_by_class_name('ant-btn-primary')
try:
browser.find_element_by_class_name('answer')
if okBtn.text == '下一题':
okBtn.click()
sleep(round(uniform(0.2, 0.8), 2))
continue
except NoSuchElementException:
pass
# 提示按钮
tipBtn = browser.find_element_by_class_name('tips')
print('--> 当前题目进度：' + str(questionIndex) + '/' + str(questionCount))
tipBtn.click()
sleep(round(uniform(0.2, 0.8), 2))
try:
# 获取所有提示内容
tipsContent = browser.find_element_by_class_name(
'line-feed').find_elements_by_tag_name('font')
sleep(round(uniform(0.2, 0.8), 2))
tipBtn.click()
tips = []
tips.clear()
for tip in tipsContent:
tips.append(tip.text)
if '单选题' in questionType:
# 选择题，获取所有选项
options = browser.find_elements_by_class_name('choosable')
if len(tips) == 0:
sleep(round(uniform(0.2, 0.8), 2))
options[0].click()
else:
ansDict = {} # 存放每个选项与提示的相似度
for i in range(len(options)):
ansDict[i] = SequenceMatcher(
None, tips[0], options[i].text[3:]).ratio()
ansDict = sorted(ansDict.items(),
key=lambda x: x[1],
reverse=True)
# print(ansDict)
print('--> 最大概率选项： ' + options[ansDict[0][0]].text[0])
options[ansDict[0][0]].click()
sleep(round(uniform(0.2, 0.8), 2))
okBtn.click()
elif '多选题' in questionType:
# 选择题，获取所有选项
options = browser.find_elements_by_class_name('choosable')
qWord = browser.find_element_by_class_name('q-body').text
bracketCount = len(findall('（）', qWord))
if len(options) == bracketCount:
select_all(options)
else:
if len(tips) == 0:
sleep(round(uniform(0.2, 0.8), 2))
options[0].click()
sleep(round(uniform(0.2, 0.8), 2))
options[1].click()
else:
# 如果选项数量多于提示数量，则匹配出最可能的选项
if len(options) > len(tips):
ans = [] # 存放匹配出的最终结果
for i in range(len(tips)):
ansDict = {} # 存放每个选项与提示的相似度
for j in range(len(options)):
ansDict[j] = SequenceMatcher(
None, tips[i],
options[j].text[3:]).ratio()
# print(ansDict)
ansDict = sorted(ansDict.items(),
key=lambda x: x[1],
reverse=True)
ans.append(ansDict[0][0])
ans = list(set(ans))
# print(ans)
print('--> 最大概率选项：', end='')
for i in range(len(ans)):
print(' ' + options[ans[i]].text[0], end='')
print()
for i in range(len(ans)):
sleep(round(uniform(0.2, 0.8), 2))
options[ans[i]].click()
# 如果选项数量和提示数量相同或少于提示数量，则全选
else:
select_all(options)
sleep(round(uniform(0.2, 0.8), 2))
okBtn.click()
elif '填空题' in questionType:
# 填空题，获取所有输入框
blanks = browser.find_elements_by_class_name('blank')
tips_i = 0
for i in range(len(blanks)):
sleep(round(uniform(0.2, 0.8), 2))
if len(tips) > tips_i and tips[tips_i].strip() == '':
tips_i += 1
try:
blank_ans = tips[tips_i]
except:
blank_ans = '未找到提示'
print('--> 第{0}空答案可能是： {1}'.format(i + 1, blank_ans))
blanks[i].send_keys(blank_ans)
tips_i += 1
sleep(round(uniform(0.2, 0.8), 2))
okBtn.click()
except UnexpectedAlertPresentException:
alert = browser.switch_to.alert
alert.accept()
otherPlace = browser.find_element_by_id('app')
otherPlace.click()
sleep(round(uniform(0.2, 0.8), 2))
except WebDriverException:
print(str(format_exc()))
print('--> 答题异常，正在重试')
otherPlace = browser.find_element_by_id('app')
otherPlace.click()
sleep(round(uniform(0.2, 0.8), 2))
if questionIndex == questionCount:
sleep(round(uniform(0.2, 0.8), 2))
try:
submit = browser.find_element_by_class_name('submit-btn')
submit.click()
browser.implicitly_wait(10)
sleep(round(uniform(2.6, 4.6), 2))
except NoSuchElementException:
submit = browser.find_element_by_class_name('ant-btn-primary')
submit.click()
browser.implicitly_wait(10)
sleep(round(uniform(2.6, 4.6), 2))
except UnexpectedAlertPresentException:
alert = browser.switch_to.alert
alert.accept()
print('--> 答题结束')
break