php 读写 xml

读取xml信息

test.xml

<?xml version="1.0" encoding="UTF-8"?>			张三		23		努力学习				李四		23		努力学习	

test.php

<?php	$xmldoc = new DOMDocument();		$xmldoc->load("test.xml");		$stus = $xmldoc->getElementsByTagName("student");		for($i=0;$i length;$i++){				$stu = $stus->item($i);		echo getNodeVal($stu,"name")."--".getNodeVal($stu,"age")."--".				getNodeVal($stu,"intro")."
";	}		function getNodeVal(&$MyNode,$tagName){		return $MyNode->getElementsByTagName($tagName)->item(0)->nodeValue;	}?>

写xml：

<?php	$xmldoc = new DOMDocument("1.0","utf-8");		$xmldoc->load("classes2.xml");		//添加一个学生信息	//创建学生结点	$root = $xmldoc->getElementsByTagName("class")->item(0);	$stu_node = $xmldoc->createElement("student");		$stu_node->setAttribute("sex", "男");		//创建名字结点并且挂载到学生结点下	$stu_node_name=$xmldoc->createElement("name");	$stu_node_name->nodeValue = "唐唐";	$stu_node->appendChild($stu_node_name);		$stu_node_age=$xmldoc->createElement("age");	$stu_node_age->nodeValue = "24";	$stu_node->appendChild($stu_node_age);		$stu_node_intro=$xmldoc->createElement("intro");	$stu_node_intro->nodeValue = "我是唐唐,我一直很努力";	$stu_node->appendChild($stu_node_intro);		//把学生结点挂载到根结点下	$root->appendChild($stu_node);		$xmldoc->save("new.x本￥文来源gaodai$ma#com搞$代*码*网(搞代gaodaima码ml");?>

删除结点：

<?php	$xmldoc = new DOMDocument("1.0","utf-8");		$xmldoc->load("test.xml");	//删除一个结点	$root = $xmldoc->getElementsByTagName("class")->item(0);		$stus = $xmldoc->getElementsByTagName("student");		$stu1 = $stus->item(2);		//$root->removeChild($stu1);		$stu1->parentNode->removeChild($stu1);		$xmldoc->save("test.xml");?>

修改结点：

<?php	$xmldoc = new DOMDocument("1.0","utf-8");		$xmldoc->load("test.xml");	//删除一个结点	$root = $xmldoc->getElementsByTagName("class")->item(0);		$stus = $xmldoc->getElementsByTagName("student");		$stu1 = $stus->item(0);		$stu1_name = $stu1->getElementsByTagName("name")->item(0);	$stu1_name->nodeValue = "唐唐改名了";		$xmldoc->save("test.xml");?>

以上就介绍了php 读写 xml，包括了方面的内容，希望对PHP教程有兴趣的朋友有所帮助。

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