php DOMDocument 建立，載入，解析xml文檔代碼

代碼如下

複製代碼

$xml_str = "<?xml version='1.0'?>"; $xml_str .= "<books>"; $xml_str .= "<book>"; $xml_str .= "<title>harry potter</title>"; $xml_str .= "<author>j.k.rowling</author>"; $xml_str .= "<publisher>warner bros.</publisher>"; $xml_str .= "<price>39.0</price>"; $xml_str .= "</book>"; $xml_str .= "</books>"; $dom = new domdocument; $dom->loadxml($xml_str); echo $dom->savexml(); $dom->save("test.xml"); //domdocument 載入xml文檔 $dom = new domdocument; $dom->load('17-1.xml'); $root = $dom->documentelement;

//解析xml文檔

代碼如下

複製代碼

$doc = new domdocument(); $doc->load("17-1.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;         $prices = $book->getelementsbytagname("price");     $price = $prices->item(0)->nodevalue;         echo "$title - $author - $publisher - $price";     echo "<br/>";     echo "<br/>"; }

/*
17-1.xml

代碼如下

複製代碼

<?xml version="1.0" encoding="gb2312"?> <books>     <book>         <title>learning php5</title>         <author>david</author>         <publisher>white water press</publisher>         <price>29.90</price>     </book>     <book>         <title>learning xml</title>         <author>jeffson</author>         <publisher>white water press</publisher>         <price>50.79</price>     </book>     <book>         <title>using perl</title>         <author>lucas</author>         <publisher>white water press</publisher>         <price>17.00</price>     </book>     <book>         <title>windows networks</title>         <author>paul</author>         <publisher>white water press</publisher>         <price>32.99</price>     </book>     <book>         <title>fly leaf</title>         <author>jenny</author>         <publisher>white water press</publisher>         <price>19.50</price>     </book> </books>

*/
?>