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<p>我们实验室有个光荣传统每天早上起床叫醒我的不是闹钟而是群里雷打不动的安全新闻其实我免提醒了2333<br>而这个发送新闻的人一代一代的传承我没想到竟然有一天会落在我头上哭了o(╥﹏╥)o<br>为了不暴露我的起床时间,同时能保质保量的完成任务,我决定做个机器人帮我完成。<br>这就是这片po文的由来啦</p>
<h1 id="大杀器itchat"><a href="#大杀器itchat" class="headerlink" title="大杀器itchat"></a>大杀器itchat</h1><h2 id="introduction"><a href="#introduction" class="headerlink" title="introduction"></a>introduction</h2><p>先来一段<a href="https://itchat.readthedocs.io/zh/latest/" target="_blank" rel="noopener">itchat</a>的官方介绍吧</p>
<blockquote>
<p>itchat是一个开源的微信个人号接口使用python调用微信从未如此简单。<br>使用不到三十行的代码,你就可以完成一个能够处理所有信息的微信机器人。<br>当然该api的使用远不止一个机器人更多的功能等着你来发现比如这些。<br>该接口与公众号接口itchatmp共享类似的操作方式学习一次掌握两个工具。<br>如今微信已经成为了个人社交的很大一部分,希望这个项目能够帮助你扩展你的个人的微信号、方便自己的生活。</p>
</blockquote>
<p>实际上itchat是对微信网页端的爬虫所以网页端可以实现的功能都有那么我想要的定时群发微信消息自然不在话下</p>
<h2 id="初步尝试"><a href="#初步尝试" class="headerlink" title="初步尝试"></a>初步尝试</h2><ul>
<li><p>安装</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">pip install itchat</span><br></pre></td></tr></table></figure>
</li>
<li><p>一个简单实例:实现给文件传输助手发送消息</p>
</li>
</ul>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br></pre></td><td class="code"><pre><span class="line">import itchat</span><br><span class="line">itchat.auto_login()</span><br><span class="line">itchat.send(&apos;Hello, filehelper&apos;, toUserName=&apos;filehelper&apos;)</span><br></pre></td></tr></table></figure>
<h1 id="实现定时转发"><a href="#实现定时转发" class="headerlink" title="实现定时转发"></a>实现定时转发</h1><p>这个的实现需要注册msg_register,逻辑很简单,当收到指定群里的指定消息时,将消息转发到另一个群。<br><figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br></pre></td><td class="code"><pre><span class="line">import itchat</span><br><span class="line">from datetime import datetime</span><br><span class="line">import time</span><br><span class="line">import re</span><br><span class="line">import threading</span><br><span class="line">from itchat.content import TEXT</span><br><span class="line">from itchat.content import *</span><br><span class="line">from apscheduler.schedulers.blocking import BlockingScheduler</span><br><span class="line"></span><br><span class="line">@itchat.msg_register([TEXT], isFriendChat=True, isGroupChat=True, isMpChat=True)</span><br><span class="line">def getContent(msg):</span><br><span class="line"> global g_msg</span><br><span class="line"> groups = itchat.get_chatrooms(update = True)</span><br><span class="line"> for g in groups:</span><br><span class="line"> #print(g[&apos;NickName&apos;])</span><br><span class="line"> if g[&apos;NickName&apos;] == &apos;被转发的群名&apos;:</span><br><span class="line"> from_group = g[&apos;UserName&apos;]</span><br><span class="line"> if &apos;每日安全简讯&apos; in msg[&apos;Content&apos;]:</span><br><span class="line"> print(&quot;get message from &quot; + msg[&apos;FromUserName&apos;])</span><br><span class="line"> if msg[&apos;FromUserName&apos;] == from_group:</span><br><span class="line"> g_msg = msg[&apos;Content&apos;]</span><br><span class="line"> print(&apos;成功获得群消息,等待转发&apos;)</span><br><span class="line"> print(int(time.strftime(&quot;%H%M%S&quot;)))</span><br><span class="line"> while(1):</span><br><span class="line"> if int(time.strftime(&quot;%H%M%S&quot;)) &gt; 80000:</span><br><span class="line"> SendMessage(g_msg,&apos;发送的对象群名&apos;)</span><br><span class="line"> g_msg = &apos;&apos;</span><br><span class="line"> break</span><br><span class="line"></span><br><span class="line">def SendMessage(context,gname):</span><br><span class="line"> itchat.get_chatrooms(update = True)</span><br><span class="line"> users = itchat.search_chatrooms(name=gname)</span><br><span class="line"> userName = users[0][&apos;UserName&apos;]</span><br><span class="line"> itchat.send_msg(context,toUserName=userName)</span><br><span class="line"> print(&quot;\n发送时间: &quot; + datetime.now().strftime(&quot;%Y-%m-%d %H:%M:%S&quot;) + &quot;\n&quot; &quot;发送到:&quot; + gname + &quot;\n&quot; + &quot;发送内容:&quot; + context + &quot;\n&quot;)</span><br><span class="line"> print(&quot;*********************************************************************************&quot;)</span><br><span class="line"></span><br><span class="line">if __name__ == &apos;__main__&apos;:</span><br><span class="line"> itchat.auto_login(hotReload=True,enableCmdQR=2)</span><br><span class="line"> itchat.run(blockThread=False)</span><br></pre></td></tr></table></figure></p>
<h1 id="添加周期防掉线"><a href="#添加周期防掉线" class="headerlink" title="添加周期防掉线"></a>添加周期防掉线</h1><p>据说每三十分钟发送一次消息可防止网页端微信掉线~~<br><figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br></pre></td><td class="code"><pre><span class="line">def loop_send():</span><br><span class="line"> nowTime = datetime.now().strftime(&quot;%Y-%m-%d %H:%M:%S&quot;)</span><br><span class="line"> context = &apos;现在是北京时间 :\n&apos;+ nowTime +&apos;\n\n我们还活着&apos;</span><br><span class="line"> itchat.get_chatrooms(update = True)</span><br><span class="line"> users = itchat.search_friends(name=u&apos;chengkun&apos;)</span><br><span class="line"> userName = users[0][&apos;UserName&apos;]</span><br><span class="line"> itchat.send_msg(context,toUserName=userName)</span><br><span class="line"></span><br><span class="line">if __name__ == &apos;__main__&apos;:</span><br><span class="line"> sched = BlockingScheduler()</span><br><span class="line"> sched.add_job(loop_send,&apos;interval&apos;,minutes=30)</span><br><span class="line"> sched.start()</span><br></pre></td></tr></table></figure></p>
<h1 id="把程序放在服务器上"><a href="#把程序放在服务器上" class="headerlink" title="把程序放在服务器上"></a>把程序放在服务器上</h1><p>我是在腾讯云有个服务器,因为自己的电脑不可能时时刻刻开机,所以就放在服务器上,方法是:<br><figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">sudo nohup python -u auto_Send.py &gt;&gt; auto_Send.log 2&gt;&amp;1 &amp;</span><br></pre></td></tr></table></figure></p>
<ul>
<li>使用nohup可以让程序在后台运行</li>
<li>然后将日志输出到auto_Send.log方便我们后期出bug了排错</li>
<li>-u可以防止输出到python缓冲区</li>
</ul>
<h1 id="遇到的坑"><a href="#遇到的坑" class="headerlink" title="遇到的坑"></a>遇到的坑</h1><h2 id="线程阻塞问题"><a href="#线程阻塞问题" class="headerlink" title="线程阻塞问题"></a>线程阻塞问题</h2><p>这里有两个线程一个是定时转发一个是循环发送因此要设置为itchat.run(blockThread=False)以及sched = BlockingScheduler()否则会卡在某个方法。</p>
<h2 id="找不到群组"><a href="#找不到群组" class="headerlink" title="找不到群组"></a>找不到群组</h2><p>这是因为users = itchat.search_chatrooms(name=gname),在搜索的是你保存到通讯录的群组。</p>
<h2 id="二维码显示不全"><a href="#二维码显示不全" class="headerlink" title="二维码显示不全"></a>二维码显示不全</h2><p>itchat.auto_login(hotReload=True,enableCmdQR=2)需要设置为2</p>
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