出处：

引入 dom4j 包

<dependency>

　　<groupId>dom4j</groupId>

　　<artifactId>dom4j</artifactId>

　　<version>1.6.1</version>

</dependency>

 

比如阿里云视频转码服务的回调通知解析，代码如下：

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 = "
      
      
      
       1692545896541241
       
      
       MyTopic
       
      
       1692545896541241
       
      
       bing-test3
       
      
       C39FB8C345BBFBA8-1-1687F6FAADD-200000015
       
      
       CAA1E9F5E9F854ACD8297B100BF8CCF9
       
      
       {\"jobId\":\"2384a4d89b1d4f1e869559e2ff8c9fad\",\"requestId\":\"639D1D03-1557-4AD7-9AD7-691F02834516\",\"Type\":\"Transcode\",\"state\":\"Success\",\"type\":\"Transcode\",\"State\":\"Success\",\"JobId\":\"2384a4d89b1d4f1e869559e2ff8c9fad\",\"RequestId\":\"639D1D03-1557-4AD7-9AD7-691F02834516\"}
       
      
       1548326251229
       
     ";        Document doc = null;        try {            doc = DocumentHelper.parseText(strXML);        } catch (DocumentException e) {            e.printStackTrace();        }        Element root = doc.getRootElement();// 指向根节点        Iterator it = root.elementIterator();        while (it.hasNext()) {            Element element = (Element) it.next();// 一个Item节点            System.out.println(element.getName() + " : " + element.getTextTrim());        }    }}

 

输出结果

TopicOwner : 1692545896541241

TopicName : MyTopic

Subscriber : 1692545896541241

SubscriptionName : bing-test3

MessageId : C39FB8C345BBFBA8-1-1687F6FAADD-200000015

MessageMD5 : CAA1E9F5E9F854ACD8297B100BF8CCF9

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"}

PublishTime : 1548326251229