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我需要從此HTML中提取屬性src
的值。使用xpath提取屬性值
例如從這個HTML:
<div class="css_telo js_telo">
<div class="css_teloV">
<div class="css_vlavo">
<div class="css_info css_zena">
<a class="css_foto big_foto" href="" title="Fotka: endoskopia"><span><img id="PPAsrc" src="http://m3.aimg.sk/profil/v_08c261dabb82e3eaded3e54c28c49e35.jpg?13922246241392224624" width="176" height="220" alt="Fotka: endoskopia" /></span></a><a href="/sluzby/fotka/profilova/?i9=8d6d0b1a0798" class="c_zmenfoto" title="Kliknutím si môžeš zmeniť fotku">Zmeniť fotku</a>
</div>
<div class="por_0">
<div class="css_album css_menubox edit c_prazdne" id="m_fotoalbumy">
<h3>Fotoalbumy<small> (0)</small></h3>
</div>
</div>
<div class="por_1">
<div class="css_album c_video xcss_akt css_menubox edit" id="m_videoalbumy">
<h3>Videoalbumy<small> (0)</small></h3>
</div>
</div>
<div class="por_2">
<div class="css_priatelia css_menubox edit" id="m_userFriends">
<h3>Priatelia<small> (0)</small></h3>
</div>
</div>
</div>
我需要得到這個:
http://m3.aimg.sk/profil/v_08c261dabb82e3eaded3e54c28c49e35.jpg?13922246241392224624
我想這個XPath表達式:
//div[@class="css_telo js_telo"]/div[@class="css_teloV"]/div[@class="css_vlavo"]/div[@class="css_info css_zena"]/a/span/img/@src
但它不起作用。問題在哪裏?
圖片網址是壞了。您的XPath表達式會爲我返回一個有效的結果,您如何查詢HTML代碼片段並確保原始HTML包含命名空間? –