<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "
http://www.w3.org/TR/html4/loose.dtd">
<html>
<link rel="shortcut icon" href="1.ico" />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<?php
function getNodeVal(&$myNode,$tagName,$i){ //$myNode：节点对象,$tagName：节点名称,$i：节点项目
return $myNode->getElementsByTagName($tagName)->item($i)->nodeValue;
}
$xmldoc=new DOMDocument(); //创建xml节点对象
$xmldoc->load("class.xml"); //加载xml文档
//var_dump($xmldoc);
$stus=$xmldoc->getElementsByTagName("学生"); //获得第一节子节点的所有节点
echo"共有".$stus->length."人！";
//var_dump($stus);
$stu_name=$stus->item(0); //获得第一节子节点的单个节点
echo getNodeVal($stu_name,"名字",0);//获得第二节子节点的值
/**********************上面是方法1下面是方法2**************************************/
echo"<hr/>";
function getValue($node,$node_1,$i,$directory){
/*$node:XML第一节节点名
*$node_1:第二节节点名
*$i:查询的节点位置
*$directory:XML文件路径
*/
$xmldoc=new DOMDocument();
$xmldoc->load($directory);
$deploy=$xmldoc->getElementsByTagName($node);
$deploy_1=$deploy->item($i);
return getNodeVal($deploy_1,$node_1,0); //获得XML信息
}
echo getValue("学生","名字",0,"class.xml");echo"<hr/>";
echo getValue("学生","名字",1,"class.xml");echo"<hr/>";
echo getValue("学生","名字",2,"class.xml");echo"<hr/>";
echo getValue("学生","年龄",0,"class.xml");echo"<hr/>";
echo getValue("学生","年龄",1,"class.xml");echo"<hr/>";
echo getValue("学生","年龄",2,"class.xml");echo"<hr/>";
echo getValue("学生","介绍",0,"class.xml");echo"<hr/>";
echo getValue("学生","介绍",1,"class.xml");echo"<hr/>";
echo getValue("学生","介绍",2,"class.xml");echo"<hr/>";
?>
</html>