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yong php5 de simplexml jie xi ge zhong feed

2008-12-23 08:13:11 编辑來源:互联网 评论
 
 
 
本文为【用php5的simplexml解析各种feed】的拼音翻译版
  yong simplexml chu li atom shu ju
  hen duo bo ke shi yong atom lai shu chu shu ju , dan shi atom shi yong le ming cheng kong jian (namespace), suo yi xian zai qing qiu bei ming ming de yuan su he ben di ming cheng shi bi xu zhi ding ming cheng kong jian tong yi zi yuan biao shi fu (URI), huan you yi dian jiu shi simplexml de xpath fang fa wu fa zhi jie query zhe ge xml tree。
  cong PHP 5.1 ban kai shi ,SimpleXML ke yi zhi jie dui dai ming cheng kong jian de wen dang shi yong XPath cha xun 。 he tong chang yi yang ,XPath wei zhi lu jing bi xu shi yong ming cheng kong jian qian zhui , ji shi sou suo de wen dang shi yong mo ren ming cheng kong jian ye reng ran ru ci 。registerXPathNamespace() han shu ba qian zhui he hou xu cha xun zhong shi yong de ming cheng kong jian URL lian xi zai yi qi 。
  xia mian shi shi yong xpath cha xun atom wen dang title yuan su de li zi :
  PLAIN TEXT
  CODE:
  $atom = simplexml_load_file('http://www.ooso.net/index.php/feed/atom');
  $atom->registerXPathNamespace('atom','http://www.w3.org/2005/Atom');
  $titles = $atom->xpath('//atom:title');
  foreach($titles as $title)
  echo"<h2>". $title ."</h2>";
  yong simplexml chu li rss shu ju
  wordpress ke yi shu chu rss2 de shu ju yuan , zhe li mian ye you yi xie bu tong de namespace, bi ru dc。 yi ge shi yong simplexml jie xi rss2 de li zi :
  PLAIN TEXT
  PHP:
  $ns=array(
   'content'=>'http://purl.org/rss/1.0/modules/content/',
   'wfw'=>'http://wellformedweb.org/CommentAPI/',
   'dc'=>'http://purl.org/dc/elements/1.1/'
  );
  $articles=array();
  // step 1: huo de feed
  $blogUrl='http://www.ooso.net/index.php/feed/rss2';
  $xml= simplexml_load_url($blogUrl);
  // step 2: huo de channel metadata
  $channel=array();
  $channel['title'] =$xml->channel->title;
  $channel['link'] =$xml->channel->link;
  $channel['description']=$xml->channel->description;
  $channel['pubDate'] =$xml->pubDate;
  $channel['timestamp'] =strtotime($xml->pubDate);
  $channel['generator'] =$xml->generator;
  $channel['language'] =$xml->language;
  // step 3: huo de articles
  foreach($xml->channel->itemas$item){
   $article=array();
   $article['channel']=$blog;
   $article['title']=$item->title;
   $article['link']=$item->link;
   $article['comments']=$item->comments;
   $article['pubDate']=$item->pubDate;
   $article['timestamp']=strtotime($item->pubDate);
   $article['description']=(string)trim($item->description);
   $article['isPermaLink']=$item->guid['isPermaLink'];
   // get data held in namespaces
   $content=$item->children($ns['content']);
   $dc =$item->children($ns['dc']);
   $wfw =$item->children($ns['wfw']);
   $article['creator']=(string)$dc->creator;
   foreach($dc->subjectas$subject)
   $article['subject'][]=(string)$subject;
   $article['content']=(string)trim($content->encoded);
   $article['commentRss']=$wfw->commentRss;
   // add this article to the list
   $articles[$article['timestamp']]=$article;
  }
  zhe ge li zi zhong , shi yong children fang fa lai huo de ming cheng kong jian zhong de shu ju :
  PLAIN TEXT
  PHP:
  $dc =$item->children($ns['dc']);【原文】【汉音对照
 
 
 
 
 
 
 
 
 
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yong simplexml chu li atom shu ju hen duo bo ke shi yong atom lai shu chu shu ju , dan shi atom shi yong le ming cheng kong jian (namespace), suo yi xian zai qing qiu bei ming ming de yuan su he ben di ming cheng shi bi xu zhi ding ming cheng kong jian tong yi zi yuan biao shi fu (URI), huan you yi dian jiu shi simplexml de xpath fang fa wu fa zhi jie query zhe ge xml tree。 cong PHP 5.1 ban kai shi ,SimpleXML ke yi zhi jie dui dai ming cheng kong jian de wen dang shi yong XPath cha xun 。 he tong chang yi yang ,XPath wei zhi lu jing bi xu shi yong ming cheng kong jian qian zhui , ji shi sou suo de wen dang shi yong mo ren ming cheng kong jian ye reng ran ru ci 。registerXPathNamespace() han shu ba qian zhui he hou xu cha xun zhong shi yong de ming cheng kong jian URL lian xi zai yi qi 。 xia mian shi shi yong xpath cha xun atom wen dang title yuan su de li zi : PLAIN TEXT CODE: $atom = simplexml_load_file('http://www.ooso.net/index.php/feed/atom'); $atom->registerXPathNamespace('atom','http://www.w3.org/2005/Atom'); $titles = $atom->xpath('//atom:title'); foreach($titles as $title) echo"<h2>". $title ."</h2>"; yong simplexml chu li rss shu ju wordpress ke yi shu chu rss2 de shu ju yuan , zhe li mian ye you yi xie bu tong de namespace, bi ru dc。 yi ge shi yong simplexml jie xi rss2 de li zi : PLAIN TEXT PHP: $ns=array( 'content'=>'http://purl.org/rss/1.0/modules/content/', 'wfw'=>'http://wellformedweb.org/CommentAPI/', 'dc'=>'http://purl.org/dc/elements/1.1/' ); $articles=array(); // step 1: huo de feed $blogUrl='http://www.ooso.net/index.php/feed/rss2'; $xml= simplexml_load_url($blogUrl); // step 2: huo de channel metadata $channel=array(); $channel['title'] =$xml->channel->title; $channel['link'] =$xml->channel->link; $channel['description']=$xml->channel->description; $channel['pubDate'] =$xml->pubDate; $channel['timestamp'] =strtotime($xml->pubDate); $channel['generator'] =$xml->generator; $channel['language'] =$xml->language; // step 3: huo de articles foreach($xml->channel->itemas$item){ $article=array(); $article['channel']=$blog; $article['title']=$item->title; $article['link']=$item->link; $article['comments']=$item->comments; $article['pubDate']=$item->pubDate; $article['timestamp']=strtotime($item->pubDate); $article['description']=(string)trim($item->description); $article['isPermaLink']=$item->guid['isPermaLink']; // get data held in namespaces $content=$item->children($ns['content']); $dc =$item->children($ns['dc']); $wfw =$item->children($ns['wfw']); $article['creator']=(string)$dc->creator; foreach($dc->subjectas$subject) $article['subject'][]=(string)$subject; $article['content']=(string)trim($content->encoded); $article['commentRss']=$wfw->commentRss; // add this article to the list $articles[$article['timestamp']]=$article; } zhe ge li zi zhong , shi yong children fang fa lai huo de ming cheng kong jian zhong de shu ju : PLAIN TEXT PHP: $dc =$item->children($ns['dc']);
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