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<p>我试图从<a href="http://store.steampowered.com/stats/" rel="nofollow noreferrer">this page</a>中提取信息,它的HTML如下所示。在</p>
<p>我试图提取第一个<code>class="currentServers"</code>中的文本(示例:我从这行<code><span class="currentServers">745,807</span></code>得到<strong>745807</strong></p>
<p>问题是行中有两个类名为<code>class="currentServers"</code>的跨接。我想得到行的第一列中的值。在</p>
<p>HTML格式:</p>
<pre><code><tr class="player_count_row" style="">
<td align="right">
<span class="currentServers">745,807</span>
</td>
<td align="right">
<span class="currentServers">836,540</span>
</td>
<td width="20">&nbsp;</td>
<td>
<a class="gameLink" onmouseover="GameHover( this, event, 'global_hover', {&quot;type&quot;:&quot;app&quot;,&quot;id&quot;:570,&quot;v6&quot;:1} );" onmouseout="HideGameHover( this, event, 'global_hover' )" href="http://store.steampowered.com/app/570/">Dota 2</a>
</td>
</tr>
</code></pre>
<p>我觉得我离得很近,但我想不通。在</p>
<p>这就是我所尝试的:</p>
^{pr2}$
<p>输出如下:</p>
<pre><code>[u'346110', u'http://store.steampowered.com/app/346110/', u'745,807']
[u'230410', u'http://store.steampowered.com/app/230410/', u'745,807']
[u'252950', u'http://store.steampowered.com/app/252950/', u'745,807']
[u'482730', u'http://store.steampowered.com/app/482730/', u'745,807']
[u'252490', u'http://store.steampowered.com/app/252490/', u'745,807']
[u'4000', u'http://store.steampowered.com/app/4000/', u'745,807']
[u'444090', u'http://store.steampowered.com/app/444090/', u'745,807']
[u'359550', u'http://store.steampowered.com/app/359550/', u'745,807']
[u'588430', u'http://store.steampowered.com/app/588430/', u'745,807']
[u'374320', u'http://store.steampowered.com/app/374320/', u'745,807']
[u'8930', u'http://store.steampowered.com/app/8930/', u'745,807']
[u'107410', u'http://store.steampowered.com/app/107410/', u'745,807']
[u'238960', u'http://store.steampowered.com/app/238960/', u'745,807']
[u'304930', u'http://store.steampowered.com/app/304930/', u'745,807']
[u'10', u'http://store.steampowered.com/app/10/', u'745,807']
[u'72850', u'http://store.steampowered.com/app/72850/', u'745,807']
[u'289070', u'http://store.steampowered.com/app/289070/', u'745,807']
[u'105600', u'http://store.steampowered.com/app/105600/', u'745,807']
[u'377160', u'http://store.steampowered.com/app/377160/', u'745,807']
[u'236390', u'http://store.steampowered.com/app/236390/', u'745,807']
[u'292030', u'http://store.steampowered.com/app/292030/', u'745,807']
[u'227300', u'http://store.steampowered.com/app/227300/', u'745,807']
[u'386360', u'http://store.steampowered.com/app/386360/', u'745,807']
[u'236850', u'http://store.steampowered.com/app/236850/', u'745,807']
[u'364360', u'http://store.steampowered.com/app/364360/', u'745,807']
[u'381210', u'http://store.steampowered.com/app/381210/', u'745,807']
[u'363970', u'http://store.steampowered.com/app/363970/', u'745,807']
[u'453480', u'http://store.steampowered.com/app/453480/', u'745,807'
... ... ...
</code></pre>
<p>我要提取其周围有红色椭圆的值:</p>
<p>(appid,Current Players,Game Name)-我可以成功地获得每个游戏的appid和游戏名,但不能按顺序获取当前玩家</p>
<p><a href="https://i.stack.imgur.com/Ome1m.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Ome1m.png" alt="enter image description here"/></a></p>