引入 dom4j 包
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<dependency>
<groupId>dom4j</groupId>
<artifactId>dom4j</artifactId>
<version>1.6.1</version>
</dependency>
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比如阿里云视频转码服务的回调通知解析，代码如下：
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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());
}
}
}
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输出结果
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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
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以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：https://www.cnblogs.com/acm-bingzi/p/java_dom4j.html