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      1. 如何从BeautifulSoup表的TD中获取价值?

        How to get value from table#39;s td in BeautifulSoup?(如何从BeautifulSoup表的TD中获取价值?)

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                  本文介绍了如何从BeautifulSoup表的TD中获取价值?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着跟版网的小编来一起学习吧!

                  问题描述

                  我有一个页面,其源代码中包含一些表:

                  <table width='100%' cellspacing='0' cellpadding='2' class='an'>
                      <tr>
                          <td width='35%' align='right'>XXX :</td>
                          <td><b>20</b></td>
                      </tr>
                      <tr><
                          td align='right'>XXX :</td>
                          <td><b>XXX</b></td>
                      </tr>
                      <tr>
                          <td align='right'>XX :</td>
                          <td><b>XXX</b></td>
                      </tr>
                      <tr>
                          <td align='right'>XXX :</td>
                          <td><b>XXX</b></td>
                      </tr>
                      <tr>
                          <td align='right'>XXX :</td>
                          <td><b>XXX</b></td>
                      </tr>
                      <tr>
                          <td align='right'>XXX :</td>
                          <td><b>XXX</b></td>
                      </tr>
                      <tr>
                          <td align='right'>XXX :</td>
                          <td><b>XXX</b></td>
                      </tr>
                  </table>
                  
                  <table width='361' cellspacing='0' cellpadding='2' class='an'>
                      <tr>
                          <td width='35%' align='right'>XXX :</td>
                          <td><b>XXX</b></td>
                      </tr>
                      <tr>
                          <td align='right'>XXX :</td>
                          <td><b>XXX</b></td>
                      </tr>
                      <tr>
                          <td align='right'>XXX :</td>
                          <td><b>XXX</b></td>
                      </tr>
                      <tr>
                          <td align='right'>XXX :</td>
                          <td><b>XXX</b></td>
                      </tr>
                      <tr>
                          <td align='right'>XX :</td>
                          <td><a href='XXX'><b>XXX</b></a></td>
                      </tr>
                      <tr>
                          <td align='right'>PHONE :</td>
                          <td><b>518878943</b></td>
                      </tr>
                  </table>
                  

                  我想从此页面获取第二个表中的电话号码:

                  <td align='right'>PHONE :</td>
                  <td><b>518878943</b></td>
                  

                  但是,我的代码:

                  page_src="""<table width='100%' cellspacing='0' cellpadding='2' class='an'>
                      <tr>
                          <td width='35%' align='right'>XXX :</td>
                          <td><b>20</b></td>
                      </tr>
                      <tr><
                          td align='right'>XXX :</td>
                          <td><b>XXX</b></td>
                      </tr>
                      <tr>
                          <td align='right'>XX :</td>
                          <td><b>XXX</b></td>
                      </tr>
                      <tr>
                          <td align='right'>XXX :</td>
                          <td><b>XXX</b></td>
                      </tr>
                      <tr>
                          <td align='right'>XXX :</td>
                          <td><b>XXX</b></td>
                      </tr>
                      <tr>
                          <td align='right'>XXX :</td>
                          <td><b>XXX</b></td>
                      </tr>
                      <tr>
                          <td align='right'>XXX :</td>
                          <td><b>XXX</b></td>
                      </tr>
                  </table>
                  
                  <table width='361' cellspacing='0' cellpadding='2' class='an'>
                      <tr>
                          <td width='35%' align='right'>XXX :</td>
                          <td><b>XXX</b></td>
                      </tr>
                      <tr>
                          <td align='right'>XXX :</td>
                          <td><b>XXX</b></td>
                      </tr>
                      <tr>
                          <td align='right'>XXX :</td>
                          <td><b>XXX</b></td>
                      </tr>
                      <tr>
                          <td align='right'>XXX :</td>
                          <td><b>XXX</b></td>
                      </tr>
                      <tr>
                          <td align='right'>XX :</td>
                          <td><a href='XXX'><b>XXX</b></a></td>
                      </tr>
                      <tr>
                          <td align='right'>PHONE :</td>
                          <td><b>518878943</b></td>
                      </tr>
                  </table>
                  """
                  
                  soup = BeautifulSoup(page_src, 'html.parser')
                  divs = soup.findAll("table", {"class": "an"})
                  for div in divs:
                      row = ''
                      rows = [row in div.findAll('tbody').findAll('tr')]
                  

                  给我这样一条错误消息:

                  Traceback (most recent call last):
                    File "test.py", line 198, in <module>
                      rows = [row in div.findAll('tbody').findAll('tr')]
                  AttributeError: 'ResultSet' object has no attribute 'findAll'
                  

                  如何解决此问题,并从页面获取电话号码?谢谢

                  编辑:

                  部分解决。部分原因是我认为我的解决方案很难看,但很管用。也许有人会想出更漂亮的解决方案?

                  tds = []
                  soup = BeautifulSoup(page_src, 'html.parser')
                  divs = soup.findAll("table", {"class": "an"})
                  for div in divs:
                      rows = div.findAll('tr')
                      for row in rows :
                          tds.append(row.findAll('td'))
                  phone = str(tds[12][1])
                  phone = phone.replace("<td><b>", "").replace("</b></td>", "").strip()
                  print phone
                  

                  推荐答案

                  找到包含PHONE :td元素,然后获取following sibling element。一行:

                  soup.find("td", text="PHONE :").find_next_sibling("td").text
                  

                  这篇关于如何从BeautifulSoup表的TD中获取价值?的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持跟版网!

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