PHP: Reading XML with DOM 使用DOM解析XML

Categories: PHP; Tagged with: DOMDocument • PHP • PHP解析XML • XML; @ August 28th, 2010 17:50

PHP中有很多方法解析XML. 本文单表使用DOM解析XML.

要进行解析的XML:

  
    13999910**
    
    [email protected]
    [网络异常]服务器: {ID}网络异常

进行解析的PHP代码:

	/**
	 * 解析XML, 创建Site, 返回Site列表.
	 * @param $xmlPath
	 * @return unknown_type
	 */
	public static function loadSitesFormXML($xmlPath) {
		$xml = new DOMDocument(); // 创建DOM
		$xml->load($xmlPath);//'sites.xml'); // 加载XML
		$sitesXml = $xml->getElementsByTagName("site"); // 根据Name获得Elements列表.
	
		$arraySites = array();
	
		foreach($sitesXml as $site) { // 遍历每一个Element.
			$site = self::createSite($site); // 转入createSite()方法进一步解析DOMElement, 创建并返回Site对象.
			$arraySites[$site->id] = $site;
		}
		// logMesg("
XML解析完毕, 共获得Stie对象: ".count($arraySites), false);
		return $arraySites;
	}

	/**
	 * 解析给定的DOMElement, 创建并返回Site对象.
	 * @param $site
	 * @return unknown_type
	 */
	public static function createSite(DOMElement $site) {
		$id = $site->getAttribute("id"); // 获得Attribute ID
		$url = $site->getAttribute("url"); // 获得Attribute URL
		$expectedReturnString = $site->getAttribute("expectedReturnString");
		$timeOut = $site->getAttribute("timeOut");
		$maxRetries = $site->getAttribute("maxRetries");
		$minErrorReportInterval = $site->getAttribute("minErrorReportInterval");
		
		$notifySmsToElement = $site->getElementsByTagName("notifySmsTo"); // 获得Element: 手机短信发送对象
		$notifySmsTo = $notifySmsToElement->item(0)->nodeValue;
		
		$notifySmsBodyElement = $site->getElementsByTagName("notifySmsBody");
		$notifySmsBody = $notifySmsBodyElement->item(0)->nodeValue;
		
		$notifyEmailToElement = $site->getElementsByTagName("notifyEmailTo");
		$notifyEmailTo = $notifyEmailToElement->item(0)->nodeValue;
		
		$notifyEmailSubjectElement = $site->getElementsByTagName("notifyEmailSubject");
		$notifyEmailSubject = $notifyEmailSubjectElement->item(0)->nodeValue;
		
		$notifyEmailBodyElement = $site->getElementsByTagName("notifyEmailBody");
		$notifyEmailBody = $notifyEmailBodyElement->item(0)->nodeValue;
		return $site = new Site($id, $url, $expectedReturnString, $timeOut, $maxRetries, $minErrorReportInterval, $notifySmsTo, $notifySmsBody, $notifyEmailTo, $notifyEmailSubject, $notifyEmailBody);
	}

参考:

0. PHP手册DOMDocument: http://php.net/manual/en/class.domdocument.php

1. IBM DW :Reading and writing the XML DOM with PHP

2. 解读PHP DOMDocument在解析XML文件中的作用

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