JAVA解析XML字符串简单方法代码案例

<dependency>
　　<groupid>dom4j</groupid>
　　<artifactid>dom4j</artifactid>
　　<version>1.6.1</version>
</dependency>

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());
    }
  }
}

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