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Python常用爬虫代码总结方便查询-创新互联

beautifulsoup解析页面

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from bs4 import BeautifulSoup
soup = BeautifulSoup(htmltxt, "lxml")
# 三种装载器
soup = BeautifulSoup("

", "html.parser") ### 只有起始标签的会自动补全,只有结束标签的会自动忽略 ### 结果为:
soup = BeautifulSoup("

", "lxml") ### 结果为:
soup = BeautifulSoup("

", "html5lib") ### html5lib则出现一般的标签都会自动补全 ### 结果为:

# 根据标签名、id、class、属性等查找标签 ### 根据class、id、以及属性alog-action的值和标签类别查询 soup.find("a",class_="title",id="t1",attrs={"alog-action": "qb-ask-uname"})) ### 查询标签内某属性的值 pubtime = soup.find("meta",attrs={"itemprop":"datePublished"}).attrs['content'] ### 获取所有class为title的标签 for i in soup.find_all(class_="title"): print(i.get_text()) ### 获取特定数量的class为title的标签 for i in soup.find_all(class_="title",limit = 2): print(i.get_text()) ### 获取文本内容时可以指定不同标签之间的分隔符,也可以选择是否去掉前后的空白。 soup = BeautifulSoup('

The Dormouses story

The Dormouses story

', "html5lib") soup.find(class_="title").get_text("|", strip=True) #结果为:The Dormouses story|The Dormouses story ### 获取class为title的p标签的id soup.find(class_="title").get("id") ### 对class名称正则: soup.find_all(class_=re.compile("tit")) ### recursive参数,recursive=False时,只find当前标签的第一级子标签的数据 soup = BeautifulSoup('abc','lxml') soup.html.find_all("title", recursive=False)</pre> <br> 本文题目:Python常用爬虫代码总结方便查询-创新互联 <br> 当前地址:<a href="http://cdysf.com/article/hoihh.html">http://cdysf.com/article/hoihh.html</a> </div> </div> <div class="other"> <h3>其他资讯</h3> <ul> <li> <a href="/article/dedpcep.html">数组回文java代码 java编写回文数</a> </li><li> <a href="/article/dedpcsd.html">包含sap系统哪里查找img的词条</a> </li><li> <a href="/article/dedpcso.html">德国sap软件系统的简单介绍</a> </li><li> <a href="/article/dedpcid.html">登录搜索窗口代码java javaweb搜索框</a> </li><li> <a href="/article/dedpcse.html">java源代码项目下载 java源码app</a> </li> </ul> </div> </div> </div> <footer> <div class="footop"> <div class="wrap"> <div class="bottomrpw"> <div class="erp arp"> <dl> <dt>ADDRESS</dt> <dd class="address"> <i class="icon"></i> <span class="word">成都市青羊区锦天国际1号楼1002室</span> </dd> </dl> </div> <div class="erp arp"> <dl> <dt>TEL</dt> <dd class="phonum"> <i class="icon"></i> <span class="word en"> <a href="tel:18980820575">18980820575</a> </span> </dd> </dl> </div> <div class="erp crp"> <dl> <dt>OTHER</dt> <dd> <a class="word get-quote">获得报价与方案</a> </dd> <dd> <a href="#" target="_blank" rel='nofollow' class="word" title="付款方式">付款方式</a> </dd> </dl> </div> <div class="erp code-rp"> <dl> <dt>Wechat</dt> <dd class="code-wrap"> <span class="code"> <img src="/Public/Home/images/qr-code.jpg" alt="创帆新辰微信公众号" /> </span> </dd> </dl> </div> </div> </div> </div> <div class="footerbot"> <div class="friendlinks"> <div class="wrap"> <ul class="rpl"> <li><a href="http://m.cdxwcx.com/zuo.html" title="做网站的公司" target="_blank">做网站的公司</a></li><li><a href="http://www.myzitong.com/" title="梓潼做网站" target="_blank">梓潼做网站</a></li><li><a href="https://www.cdxwcx.com/city/ziyang/" title="资阳做网站" target="_blank">资阳做网站</a></li><li><a href="http://www.tjjierui.cn/" title="tjjierui.cn" target="_blank">tjjierui.cn</a></li><li><a href="http://www.cdhuace.com/zhaopai.html" title="发光字制作" target="_blank">发光字制作</a></li><li><a href="http://www.emts.com.cn/about/" title="东方电机技改服务有限公司" target="_blank">东方电机技改服务有限公司</a></li><li><a href="http://www.scxichong.com/" title="西充网站建设公司" target="_blank">西充网站建设公司</a></li><li><a href="http://www.kswsj.cn/" title="全网营销网站推广" target="_blank">全网营销网站推广</a></li><li><a href="http://www.cdwuji.com/" title="正泰动物制药" target="_blank">正泰动物制药</a></li><li><a href="http://www.4006tel.net/yingxiao/" title="营销网站定位" target="_blank">营销网站定位</a></li> </ul> </div> </div> <div class="wrap"> <div class="copyright"> <span class="en">©2007-2025</span> 青羊区创帆新辰信息咨询服务部(个体工商户) <span class="en">ALL RIGHTS RESERVED.</span> <a rel="nofollow" href="http://www.miitbeian.gov.cn" target="_blank">蜀ICP备2025128472号</a> </div> </div> </div> </footer> <div class="fcwrap"> <ul class="rpl clearfix"> <li class="phone"> <a rel="nofollow" target="_blank" href="tel:18980820575"> <i class="icon"></i> <strong>18980820575</strong> </a> </li> <li class="qq"> <a rel="nofollow" target="_blank" href="https://wpa.qq.com/msgrd?v=1&uin=244261566&site=qq&menu=yes"> <i class="icon"></i> <strong>244261566</strong> </a> </li> <li class="back-top"> <a href="javascript:void(0)" rel="nofollow" class="back-to-top"> <i class="icon"></i> <strong>回到顶部</strong> </a> </li> </ul> </div> <!--nav--> <div class="n-Wrap"> <div class="navBar visble show"> <div class="barlogo"> <a href="/" rel="nofollow"> <img src="/Public/Home/images/logo1.png" alt="成都做网站" /> <img src="/Public/Home/images/logo2.png" alt="成都网站设计" /> </a> </div> <div class="bmenu"> <i class="bar-top"><span></span></i> <i class="bar-cen"><span></span></i> <i class="bar-bom"><span></span></i> <i class="bar-left"><span></span></i> <i class="bar-right"><span></span></i> </div> </div> <section class="fixmenu"> <div class="close-bar"> <i class="bar-left"><span></span></i> <i class="bar-right"><span></span></i> </div> <nav class="smph"> <ul> <li class="index-hrefs on"><a href="http://www.cdysf.com/"><font>首页</font></a></li> <li><a href="/about/" rel="nofollow"><font>关于我们</font></a></li> <li><a href="/service/" rel="nofollow"><font>网站建设</font></a></li> <li><a href="/case/" rel="nofollow"><font>网站案例</font></a></li> <li><a href="/solve/" rel="nofollow"><font>网站方案</font></a></li> <li><a href="/news/" rel="nofollow"><font>建站知识</font></a></li> <li><a href="/contact/" rel="nofollow"><font>联系创帆新辰</font></a></li> </ul> <div class="pwrap"> <span class="label">建站热线</font> <strong class="phone"><a href="tel:18980820575">18980820575</a></strong> </div> </nav> </section> </div> <!--end nav--> <script src="/Public/Home/js/hotcss.js"></script> <script type="text/javascript" src="/Public/Home/js/su_new.js"></script> </body> </html> <script> $(".con img").each(function(){ var src = $(this).attr("src"); 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