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php解析xml方法实例详解

2020-03-22 17:27:53
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本文以实例形式详细讲述了php解析xml方法。分享给大家供大家参考。具体分析如下:books.xml文件如下: xml version="1.0" encoding="ISO-8859-1" bookstore book category="children" title lang="en" Harry Potter /title author J K. Rowling /author year 2005 /year price 29.99 /price /book book category="cooking" title lang="en" Everyday Italian /title author Giada De Laurentiis /author year 2005 /year price 30.00 /price /book book category="web" cover="paperback" title lang="en" Learning XML /title author Erik T. Ray /author year 2003 /year price 39.95 /price /book /bookstore 1、DOM解析XML //创建一个DOMDocument对象 $doc=new DOMDocument(); //加载XML文件 $doc- load("books.xml"); //获取所有的book标签 $bookDom=$doc- getElementsByTagName("book"); foreach($bookDom as $book){ $title = $book- getElementsByTagName("title")- item(0)- nodeValue; $author = $book- getElementsByTagName("author")- item(0)- nodeValue; $year = $book- getElementsByTagName("year")- item(0)- nodeValue; $price = $book- getElementsByTagName("price")- item(0)- nodeValue; echo "title:".$title." br echo "author:".$author." br echo "year:".$year." br echo "price:".$price ." br echo "*********************************** br 2、xml_parse_into_struct创建解析器,将xml数据解析到数组,释放解析器,再有就是从数组中提取想要的值。 // 读取xml文件 $file = "books.xml"; $data = file_get_contents($file); // 创建解析器 $parser = xml_parser_create(); // 将 XML 数据解析到数组中 xml_parse_into_struct($parser, $data, $vals, $index); // 释放解析器 xml_parser_free($parser); // 数组处理 $arr = array(); $t=0; foreach($vals as $html' target='_blank'>value) { $type = $value['type']; $tag = $value['tag']; $level = $value['level']; $attributes = isset($value['attributes']) $value['attributes']:""; $val = isset($value['value']) $value['value']:""; switch ($type) { case 'open': if ($attributes != "" || $val != "") { $arr[$t]['tag'] = $tag; $arr[$t]['attributes'] = $attributes; $arr[$t]['level'] = $level; $t++; break; case "complete": if ($attributes != "" || $val != "") { $arr[$t]['tag'] = $tag; $arr[$t]['attributes'] = $attributes; $arr[$t]['val'] = $val; $arr[$t]['level'] = $level; $t++; break; echo " pre print_r($arr); echo " /pre 3、用 SAX 解析器读取 XML-----XML Simple API(SAX)解析器 $file="books.xml"; $xml = simplexml_load_file($file); echo " pre print_r($xml); echo " /pre 希望本文所述对大家的php程序设计有所帮助。PHP教程

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