//向DOM中寫入新數(shù)據(jù)
??$item = $dom->createElement("item");
??$title = $dom->createElement("title");
??$titleText = $dom->createTextNode("title text");
??$title->appendChild($titleText);
??$item->appendChild($title);
??$dom->documentElement->getElementsByTagName('channel')->item(0)->appendChild($item);
??
??//從DOM中刪除節(jié)點(diǎn)
??//$dom->documentElement->RemoveChild($dom->documentElement->getElementsByTagName("channel")->item(0));
??//或者使用xpath查詢出節(jié)點(diǎn)再刪除
??//$dom->documentElement->RemoveChild($xpath->query("/rss/channel")->item(0));
??//$dom->save("newfile.xml");
??
??//從DOM中修改節(jié)點(diǎn)數(shù)據(jù)
??//修改第一個(gè)title的文件
??//這個(gè)地方比較笨，新創(chuàng)建一個(gè)節(jié)點(diǎn)，然后替換舊的節(jié)點(diǎn)。如果哪位朋友有其他好的方法請(qǐng)一定要告訴我
??$firstTitle = $xpath->query("/rss/channel/item/title")->item(0);
??$newTitle = $dom->createElement("title");
??$newTitle->appendChild(new DOMText("This's the new title text!!!"));
??$firstTitle->parentNode->replaceChild($newTitle, $firstTitle);
??//修改屬性
??//$firstTitle = $xpath->query("/rss/channel/item/title")->item(0);
??//$firstTitle->setAttribute("orderby", "4");
??$dom->save("newfile.xml");
??
??echo "<hr/><a href=\"newfile.xml\">查看newfile.xml</a>";
??
??//下面的代碼獲得并解析php.net的首頁(yè)，將返第一個(gè)title元素的內(nèi)容。
??/*
??$dom->loadHTMLFile("http://www.php.net/");
??$title = $dom->getElementsByTagName("title");
??print $title->item(0)->textContent;
??*/
???>
??
??下面是test.xml文件代碼：
??
??<?xml version="1.0" encoding="gb2312"?>
??<rss version="2.0">
??<channel>
??<title>javascript</title>
??<link>http://blog.csdn.net/zhongmao/category/29515.aspx</link>
??<description>javascript</description>
??<language>zh-chs</language>
??<generator>.text version 0.958.2004.2001</generator>
??<item>
??<creator>zhongmao</creator>
??<title orderby="1">out put excel used javascript</title>
??<link>http://blog.csdn.net/zhongmao/archive/2004/09/15/105385.aspx</link>
??<pubdate>wed, 15 sep 2004 13:32:00 gmt</pubdate>
??<guid>http://blog.csdn.net/zhongmao/archive/2004/09/15/105385.aspx</guid>
??<comment>http://blog.csdn.net/zhongmao/comments/105385.aspx</comment>
??<comments>http://blog.csdn.net/zhongmao/archive/2004/09/15/105385.aspx#feedback
</comments>
??<comments>2</comments>
??<commentrss>http://blog.csdn.net/zhongmao/comments/commentrss/105385.aspx
</commentrss>
??<ping>http://blog.csdn.net/zhongmao/services/trackbacks/105385.aspx</ping>
??<description>test description</description>
??</item>
??<item>
??<creator>zhongmao</creator>
??<title orderby="2">out put word used javascript</title>
??<link>http://blog.csdn.net/zhongmao/archive/2004/08/06/67161.aspx</link>
??<pubdate>fri, 06 aug 2004 16:33:00 gmt</pubdate>
??<guid>http://blog.csdn.net/zhongmao/archive/2004/08/06/67161.aspx</guid>
??<comment>http://blog.csdn.net/zhongmao/comments/67161.aspx</comment>
??<comments>http://blog.csdn.net/zhongmao/archive/2004/08/06/67161.aspx#feedback
</comments>
??<comments>0</comments>
??<commentrss>http://blog.csdn.net/zhongmao/comments/commentrss/67161.aspx
</commentrss>
??<ping>http://blog.csdn.net/zhongmao/services/trackbacks/67161.aspx</ping>
??<description>test word description</description>
??</item>
??<item>
??<creator>zhongmao</creator>
??<title orderby="3">xmlhttp</title>
??<link>http://blog.csdn.net/zhongmao/archive/2004/08/02/58417.aspx</link>
??<pubdate>mon, 02 aug 2004 10:11:00 gmt</pubdate>
??<guid>http://blog.csdn.net/zhongmao/archive/2004/08/02/58417.aspx</guid>
??<comment>http://blog.csdn.net/zhongmao/comments/58417.aspx</comment>
??<comments>http://blog.csdn.net/zhongmao/archive/2004
/08/02/58417.aspx#feedback</comments>
??<comments>0</comments>
??<commentrss>http://blog.csdn.net/zhongmao/comments/commentrss
/58417.aspx</commentrss>
??<ping>http://blog.csdn.net/zhongmao/services/trackbacks/58417.aspx</ping>
??<description>xmlhttpaaa asd bb cc dd</description>
??</item>
??</channel>
??</rss>