python提取知乎当前最热的问答内容

#-*- coding: utf-8 -*-
import urllib.request
import re
from _io import open
def yunpan_search():
    url = "https://www.zhihu.com/explore"
    req = urllib.request.Request(url, headers = {
        'Connection': 'Keep-Alive',
        'Accept': 'text/html, application/xhtml+xml, */*',
       'Accept-Language': 'en-US,en;q=0.8,zh-Hans-CN;q=0.5,zh-Hans;q=0.3',
        'User-Agent': 'Mozilla/5.0 (Windows NT 6.3; WOW64; Trident/7.0; rv:11.0) like Gecko'
})
    opener = urllib.request.urlopen(req)
    html = opener.read()
    html = html.decode('utf-8')
    rex = '(?<=\n).*?(?=<span class="answer-date-link-wrap">)'
    m = re.findall(rex,html,re.S)
    f = open('/root/Desktop/zhihu.txt','w')
    for i in m:
        f.write(i)
        f.write('\n\n')
    f.close()
    print("抓取成功!")
    file = open('/root/Desktop/zhihu.txt','r+')
    fullfile = file.readlines()
    text = []
    p = re.compile(r'\w*', re.L)
    pp = re.compile(r"(&;)*")
    for line in fullfile:
        lines = p.sub('',line)
        liness = pp.sub('',lines)
        text.append(liness)
    file.seek(0)
    file.truncate(0)
    file.writelines(text)
    file.close()
    print("处理成功！")
 
if __name__=='__main__':
    yunpan_search()</script></pre>                    </div>

                  

	 	
                    <div class="">
                        <ul class="m-news-opt fix">
                            <li class="opt-item">
                                <a href='/python-357619.html' target='_blank'><p>< 上一篇</p><p class="ellipsis">Python连接Oracle</p></a>
                            </li>
                            <li class="opt-item ta-r">
                                 <a href='/python-357621.html' target='_blank'><p>下一篇 ></p><p class="ellipsis">玩Python之HTTP代理</p></a>
                            </li>
                        </ul>
                    </div>
                    
                    
                    
                    
                </div>
              
                    </div>
                
                  

                    <div class="g-title fix">
                        <h2 class="title-txt">人气教程排行</h2>
                    </div>
                    <div class="m-rank u-dashed mb40">
			
                        <ul>
						
 <li class="rank-item">
                                <a href="/python-361871.html" title='对Python2.7pandas中的read_excel详解' class="item-name ellipsis" target="_blank">
                                    <span class="g-art-count fr">384次</span>
                                    <span class="g-sort-num top">1</span>
                                   对Python2.7pandas中的read_excel详解                                </a>
                            </li>							  								  														  <li class="rank-item">
                                <a href="/python-357851.html" title='Python实现定时弹窗提醒' class="item-name ellipsis" target="_blank">
                                    <span class="g-art-count fr">383次</span>
                                    <span class="g-sort-num second">2</span>
                                   Python实现定时弹窗提醒                                </a>
                            </li>								  														  								  <li class="rank-item">
                                <a href="/python-359898.html" title='python爬虫入门（3）--利用requests构建知乎API' class="item-name ellipsis" target="_blank">
                                    <span class="g-art-count fr">383次</span>
                                    <span class="g-sort-num third">3</span>
                                   python爬虫入门（3）--利用requests构建知乎API                                </a>
                            </li>														  								  							<li class="rank-item">
                                <a href="/python-361328.html" title='python如何爬取搜狗微信公众号文章永久链接的思路解析' class="item-name ellipsis" target="_blank">
                                    <span class="g-art-count fr">382次</span>
                                    <span class="g-sort-num ">4</span>
                                   python如何爬取搜狗微信公众号文章永久链接的思路解析                                </a>
                            </li>							  								  							<li class="rank-item">
                                <a href="/python-363639.html" title='python字典的键可以相同吗' class="item-name ellipsis" target="_blank">
                                    <span class="g-art-count fr">381次</span>
                                    <span class="g-sort-num ">5</span>
                                   python字典的键可以相同吗                                </a>
                            </li>							  								  							<li class="rank-item">
                                <a href="/python-462846.html" title='python是一种面向什么的语言？' class="item-name ellipsis" target="_blank">
                                    <span class="g-art-count fr">381次</span>
                                    <span class="g-sort-num ">6</span>
                                   python是一种面向什么的语言？                                </a>
                            </li>							  								  							<li class="rank-item">
                                <a href="/python-355903.html" title='python通过pil为png图片填充上背景颜色的方法' class="item-name ellipsis" target="_blank">
                                    <span class="g-art-count fr">381次</span>
                                    <span class="g-sort-num ">7</span>
                                   python通过pil为png图片填充上背景颜色的方法                                </a>
                            </li>							  								  							<li class="rank-item">
                                <a href="/python-364233.html" title='python语言的编程模式有什么' class="item-name ellipsis" target="_blank">
                                    <span class="g-art-count fr">380次</span>
                                    <span class="g-sort-num ">8</span>
                                   python语言的编程模式有什么                                </a>
                            </li>							  								  							<li class="rank-item">
                                <a href="/python-353438.html" title='使用python获取进程pid号的方法' class="item-name ellipsis" target="_blank">
                                    <span class="g-art-count fr">380次</span>
                                    <span class="g-sort-num ">9</span>
                                   使用python获取进程pid号的方法                                </a>
                            </li>							  								  							<li class="rank-item">
                                <a href="/python-362615.html" title='Python中如何解决无限循环的问题' class="item-name ellipsis" target="_blank">
                                    <span class="g-art-count fr">380次</span>
                                    <span class="g-sort-num ">10</span>
                                   Python中如何解决无限循环的问题                                </a>
                            </li>							  								  							<li class="rank-item">
                                <a href="/python-466149.html" title='怎么解决pip不是内部或外部命令' class="item-name ellipsis" target="_blank">
                                    <span class="g-art-count fr">378次</span>
                                    <span class="g-sort-num ">11</span>
                                   怎么解决pip不是内部或外部命令                                </a>
                            </li>							  								  							<li class="rank-item">
                                <a href="/python-374795.html" title='python中def是什么意思' class="item-name ellipsis" target="_blank">
                                    <span class="g-art-count fr">378次</span>
                                    <span class="g-sort-num ">12</span>
                                   python中def是什么意思                                </a>
                            </li>							  								  							<li class="rank-item">
                                <a href="/python-361381.html" title='对numpy中数组元素的统一赋值实例' class="item-name ellipsis" target="_blank">
                                    <span class="g-art-count fr">376次</span>
                                    <span class="g-sort-num ">13</span>
                                   对numpy中数组元素的统一赋值实例                                </a>
                            </li>							  								  							<li class="rank-item">
                                <a href="/python-378450.html" title='python的选择语句是什么语句' class="item-name ellipsis" target="_blank">
                                    <span class="g-art-count fr">374次</span>
                                    <span class="g-sort-num ">14</span>
                                   python的选择语句是什么语句                                </a>
                            </li>							  								  							<li class="rank-item">
                                <a href="/python-362375.html" title='Python中构造方法的解析（附示例）' class="item-name ellipsis" target="_blank">
                                    <span class="g-art-count fr">374次</span>
                                    <span class="g-sort-num ">15</span>
                                   Python中构造方法的解析（附示例）                                </a>
                            </li>							  								  							<li class="rank-item">
                                <a href="/python-360729.html" title='关于python中引入导入与自定义模块以及外部文件的实例分享' class="item-name ellipsis" target="_blank">
                                    <span class="g-art-count fr">373次</span>
                                    <span class="g-sort-num ">16</span>
                                   关于python中引入导入与自定义模块以及外部文件的实例分享                                </a>
                            </li>							  								  							<li class="rank-item">
                                <a href="/python-364421.html" title='python如何在不同类之间调用方法' class="item-name ellipsis" target="_blank">
                                    <span class="g-art-count fr">372次</span>
                                    <span class="g-sort-num ">17</span>
                                   python如何在不同类之间调用方法                                </a>
                            </li>							  								  							<li class="rank-item">
                                <a href="/python-462395.html" title='python中的【//】是什么运算符号' class="item-name ellipsis" target="_blank">
                                    <span class="g-art-count fr">372次</span>
                                    <span class="g-sort-num ">18</span>
                                   python中的【//】是什么运算符号                                </a>
                            </li>							  								  							<li class="rank-item">
                                <a href="/python-363743.html" title='python中╲t是什么' class="item-name ellipsis" target="_blank">
                                    <span class="g-art-count fr">371次</span>
                                    <span class="g-sort-num ">19</span>
                                   python中╲t是什么                                </a>
                            </li>							  								  							<li class="rank-item">
                                <a href="/python-357501.html" title='python同时给多个变量赋值' class="item-name ellipsis" target="_blank">
                                    <span class="g-art-count fr">371次</span>
                                    <span class="g-sort-num ">20</span>
                                   python同时给多个变量赋值                                </a>
                            </li>

                        </ul>
                    </div>
                </div>
            </div>
            <!-- / 教程内容页 -->
        </div>
    </div>
  
<!-- 页尾 -->
<div class="footer">
   本站所有资源全部来源于网络，若本站发布的内容侵害到您的隐私或者利益，请联系我们删除！</div>
<!-- / 页尾 -->

 <script type="text/javascript" src="/kan/js/read.js"></script>

<div style="display:none">
<div class="login-box" id="login-dialog">
<div class="login-top"><a class="current" rel="nofollow" id="login1" onclick="setTab('login',1,2);" >登录</a></div>
<div class="login-form" id="nav-signin">
 <!-- <div class="login-ico"><a rel="nofollow" class="qq" id="qqlogin" target="_blank" href="/user-center-qqlogin.html"> QQ </a></div>  -->


<div class="login-box-form" id="con_login_1">
<form id="loginform" action="/user-center-login.html" method="post" onsubmit="return false;">
<p class="int-text">
<input class="email" id="username" name="username" type="text" value="用户名或Email" onfocus="if(this.value=='用户名或Email'){this.value='';}" onblur="if(this.value==''){this.value='用户名或Email';};" ></p>
<p class="int-text">
<input class="password1" type="password" id="password" name="password"  value="******"  onBlur="if(this.value=='') this.value='******';" onFocus="if(this.value=='******') this.value='';" >
</p>
<p class="int-info">
                <label class="ui-label"> </label>
                <label for="agreement" class="ui-label-checkbox">
                <input type="checkbox" value="" name="cookietime" id="cookietime" checked="checked" value="2592000">
                <input type="hidden" name="notforward" id="notforward" value="1">
                <input  type="hidden" name="dosubmit" id="dosubmit" value="1">记住我的登录 </label>                           
       <a rel="nofollow" class="aright" href="/user-center-forgetpwd.html" target="_blank"> 忘记密码？ </a></p>
  <p class="int-btn"><a rel="nofollow" id="loginbt"  class="loginbtn"><span>登录</span></a></p> 
  </form>
</div>
<form id="regform" action="/user-center-reg.html" method="post">
<div  class="login-reg" style="display: none;" id="con_login_2">
<input type="hidden" name="t" id="t"/>
  <p class="int-text">
    <input  id="email" name="email" type="text" value="Email" onfocus="if(this.value=='Email'){this.value='';}" onblur="if(this.value==''){this.value='Email';};"></p>
    <p class="int-text">
    <input id="uname" name="username" type="text" value="用户名或昵称" onfocus="if(this.value=='用户名或昵称'){this.value='';}" onblur="if(this.value==''){this.value='用户名或昵称';};"></p>
  <p class="int-text">
  <input  type="password" id="pwd" name="password" value="******"  onBlur="if(this.value=='') this.value='******';" onFocus="if(this.value=='******') this.value='';"> </p>
  <p class="int-text1"><span class="inputbox">
    <input id="validate" name="validate" type="text" value="验证码" onfocus="if(this.value=='验证码'){this.value='';}" onblur="if(this.value==''){this.value='验证码';};">
    </span><span class="yzm-img"><img src="/user-checkcode-index" alt="看不清楚换一张"  id="indexlogin"></p>
  <p class="int-info">
    <label>
      <input value="" name="agreement" id="agreement" CHECKED="checked" type="checkbox">
      我已阅读<a rel="nofollow" href="/user-center-agreement.html">用户协议</a>及<a rel="nofollow" href="/user-center-agreement.html">版权声明</a></label>
  </p>
  <p class="int-btn"><input type="hidden" name="dosubmit"/>
<a rel="nofollow" class="loginbtn"  id="register"><span>注册</span></a></p>
</div>
 </form>
</div>
</div>

</div>















</div>
 
<script type="text/javascript" src="/kan/js/foot_js.js"></script>   
<script>
var _hmt = _hmt || [];
(function() {
  var hm = document.createElement("script");
  hm.src = "https://hm.baidu.com/hm.js?6dc1c3c5281cf70f49bc0bc860ec24f2";
  var s = document.getElementsByTagName("script")[0]; 
  s.parentNode.insertBefore(hm, s);
})();
</script>
 <script type="text/javascript" src="/layui/layui.js"></script>
    <script>
    layui.use('code', function() {
        layui.code({
            elem: 'pre', //默认值为.layui-code
            about: false,
            skin: 'notepad',
            title: 'php怎么实现数据库验证跳转代码块',
            encode: true //是否转义html标签。默认不开启
        });
    });
    </script>

</body>

</html>