引入 dom4j 包

<dependency><groupId>dom4j</groupId><artifactId>dom4j</artifactId><version>1.6.1</version></dependency>

比如阿里云視頻轉(zhuǎn)碼服務(wù)的回調(diào)通知解析，代碼如下：

import org.dom4j.Document;import org.dom4j.DocumentException;import org.dom4j.DocumentHelper;import org.dom4j.Element;import java.util.Iterator;public class DOMParser { public static void main(String[] args) { String strXML = '<?xml version='1.0' encoding='UTF-8'?> <Notification xmlns='http://mns.aliyuncs.com/doc/v1/'> <TopicOwner>1692545896541241</TopicOwner> <TopicName>MyTopic</TopicName> <Subscriber>1692545896541241</Subscriber> <SubscriptionName>bing-test3</SubscriptionName> <MessageId>C39FB8C345BBFBA8-1-1687F6FAADD-200000015</MessageId> <MessageMD5>CAA1E9F5E9F854ACD8297B100BF8CCF9</MessageMD5> <Message>{'jobId':'2384a4d89b1d4f1e869559e2ff8c9fad','requestId':'639D1D03-1557-4AD7-9AD7-691F02834516','Type':'Transcode','state':'Success','type':'Transcode','State':'Success','JobId':'2384a4d89b1d4f1e869559e2ff8c9fad','RequestId':'639D1D03-1557-4AD7-9AD7-691F02834516'}</Message> <PublishTime>1548326251229</PublishTime> </Notification>'; Document doc = null; try { doc = DocumentHelper.parseText(strXML); } catch (DocumentException e) { e.printStackTrace(); } Element root = doc.getRootElement();// 指向根節(jié)點(diǎn) Iterator it = root.elementIterator(); while (it.hasNext()) { Element element = (Element) it.next();// 一個(gè)Item節(jié)點(diǎn) System.out.println(element.getName() + ' : ' + element.getTextTrim()); } }}

輸出結(jié)果

TopicOwner : 1692545896541241TopicName : MyTopicSubscriber : 1692545896541241SubscriptionName : bing-test3MessageId : C39FB8C345BBFBA8-1-1687F6FAADD-200000015MessageMD5 : CAA1E9F5E9F854ACD8297B100BF8CCF9Message : {'jobId':'2384a4d89b1d4f1e869559e2ff8c9fad','requestId':'639D1D03-1557-4AD7-9AD7-691F02834516','Type':'Transcode','state':'Success','type':'Transcode','State':'Success','JobId':'2384a4d89b1d4f1e869559e2ff8c9fad','RequestId':'639D1D03-1557-4AD7-9AD7-691F02834516'}PublishTime : 1548326251229

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