本文实例讲述了php基于dom实现读取图书xml格式数据的方法。分享给大家供大家参考，具体如下：
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<?php
$doc = new DOMDocument();
$doc->load( 'books.xml' );
$books = $doc->getElementsByTagName( "book" );
foreach( $books as $book )
{
$authors = $book->getElementsByTagName( "author" );
$author = $authors->item(0)->nodeValue;
$publishers = $book->getElementsByTagName( "publisher" );
$publisher = $publishers->item(0)->nodeValue;
$titles = $book->getElementsByTagName( "title" );
$title = $titles->item(0)->nodeValue;
echo "$title - $author - $publisher\n";
}
?>
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books.xml文件如下：
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<?xml version="1.0"?>
<books>
<book>
<author>Jack Herrington</author>
<title>PHP Hacks</title>
<publisher>O'Reilly</publisher>
</book>
<book>
<author>Jack Herrington</author>
<title>Podcasting Hacks</title>
<publisher>O'Reilly</publisher>
</book>
</books>
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运行结果如下：
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PHP Hacks - Jack Herrington - O'Reilly
Podcasting Hacks - Jack Herrington - O'Reilly
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希望本文所述对大家PHP程序设计有所帮助。