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from DrissionPage import ChromiumPage
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from DrissionPage.common import *
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import time
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from loguru import logger
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# 实现单个课程的刷课逻辑
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def one_course(cid: str, ctype: str, crate: int, again: bool = False):
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'''
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cid: 课程id
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ctype: 课程类型
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crate: 课程总体完成率
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----------------------
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接受一个课程id,执行刷课
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1. 跳转到对应课程页面
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2. 进入相应的课程界面
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3. 循环检验课程是否完成
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4. 完成当前课程后退出
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'''
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# 接管浏览器
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cur_page = ChromiumPage()
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if again:
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# 关闭所有标签页和浏览器
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cur_page.close()
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# 判定课程类别
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if ctype == '必修':
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cur_page.ele('@value=1').click()
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elif ctype == '选修':
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cur_page.ele('@value=2').click()
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elif ctype == '专题':
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cur_page.ele('@value=4').click()
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elif ctype == '培训':
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cur_page.ele('@value=5').click()
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time.sleep(1)
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# 利用课程序号定位，跳转到视频页面
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trs = cur_page.ele('#tbody').eles('tag:tr')
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for tr in trs:
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# 鉴别课程序号
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if tr.ele('tag:td').text.split('\t')[0] == cid:
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# 进入视频页面
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tr.ele('tag:button@@text():进入学习').click()
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cur_page.wait.new_tab(timeout=3) # 等待新标签页出现
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tab = cur_page.get_tab(cur_page.latest_tab) # 获取新标签页
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time.sleep(1)
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if crate == 100:
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print('当前课程已完成')
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cur_page.close_tabs(tabs_or_ids=[tab])
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# 进入后，获得当前视频的完成率,决定操作方式
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if tab.ele('tag:a@@text():继续学习', timeout=2):
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tab.ele('tag:a@@text():继续学习').click()
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else:
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tab.ele(
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'c:#normalModel_video > xg-start > div.xgplayer-icon-play > svg > path').click()
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# 建立循环，检测当前视频是否完播
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'''
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<div id="normalModel_nodeList" style="max-height:550px;overflow:auto;">
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<div class="item-title selected" id="node_27817"><div class="courseName" title="活的马克思主义(上)" style="font-size:13px;">活的马克思主义(上)</div><span class="progressBar progress" style="font-size:12px;" id="progress_27817"><img id="progress_27817_percentImage" src="/js/axsProgress/images/percentImage.png" alt="100" style="width: 70px;height:12px;background-position: -50px 50%;background-image: url(/js/axsProgress/images/percentImage_back1.png);padding: 0;margin: 0;" class="percentImage" title="100%"> <span id="progress_27817_percentText" class="percentText" style="font-size:13px;">100%</span></span></div><div class="item-title" id="node_27821"><div class="courseName" title="活的马克思主义(下)" style="font-size:13px;">活的马克思主义(下)</div><span class="progressBar progress" style="font-size:12px;" id="progress_27821"><img id="progress_27821_percentImage" src="/js/axsProgress/images/percentImage.png" alt="100" style="width: 70px;height:12px;background-position: -50px 50%;background-image: url(/js/axsProgress/images/percentImage_back1.png);padding: 0;margin: 0;" class="percentImage" title="100%"> <span id="progress_27821_percentText" class="percentText" style="font-size:13px;">100%</span></span></div></div>
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'''
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while 1:
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# todo:想要加一个定时刷新的功能方便释放内存
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watch_rates = tab.ele('#normalModel_nodeList').eles('tag:span')
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l = []
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for watch_rate in watch_rates:
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l.append(int(watch_rate.text[:-1]))
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# 取偶数索引
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l = l[::2]
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infol = [str(i)+'%' for i in l]
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logger.info('当前各个视频完成率:{}'.format(infol))
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if l == [100]*len(l):
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# 关闭当前标签页
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logger.warning('当前课程已完成,当前标签页即将关闭')
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time.sleep(1)
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cur_page.close_tabs(tabs_or_ids=[tab])
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break
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'''
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由于视频播完后会自动暂停，所以需要检测是否播放完毕以准备下一步操作
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有多个小节会提示是否进入下一小节，所以需要检测是否有进入下一小节的按钮
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解决方案:检测列表中首个不是100的元素的索引,根据索引点击对应的视频,并尝试检测是否有播放按钮来区分正在播放和播放完毕
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'''
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# 每60秒先检测是否有视频播放完毕
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try:
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if tab.ele('tag:div@@text():本小结已经学习完，是否进入下一节？', timeout=2):
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tab.ele('tag:a@@text():是').click()
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except:
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pass
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finally:
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# 有时候没有弹窗提示，用以下方式手动检测
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for i in l:
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if i != 100:
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tab.ele('#normalModel_nodeList').eles(
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'tag:div')[l.index(i)+1].click()
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time.sleep(1)
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try:
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if tab.ele('c:#normalModel_video > xg-start > div.xgplayer-icon-play > svg > path', timeout=2):
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tab.ele(
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'c:#normalModel_video > xg-start > div.xgplayer-icon-play > svg > path').click()
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except:
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pass
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time.sleep(60) # 每次监测间隔60秒
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break # なぜここにbreakがいるのですか？あかしいなあ。
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if __name__ == '__main__':
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one_course('6992', '培训', 68)
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