java如何解析传来的xml字符串

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需要：dom4j-1.6.1.jar

代码：

package jiexixml;

import java.util.Iterator;
import java.util.List;
import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;

public class xmlchang{

public static void main(String[] args) {
String v_strXML = "<?xml version=\"1.0\" encoding=\"gb2312\"?>"+
"<Result xmlns=\"http://www.fiorano.com/fesb/activity/DBQueryOnInput2/Out\">"+"<PAGE><YSLDH>222222</YSLDH><YSLDLXM>预受理单号</YSLDLXM></PAGE>"+
"<DATA>"+
"<row resultcount=\"1\">"+
"<users_id>1001 </users_id>"+
"<users_name>wangwei </users_name>"+
"<users_group>80 </users_group>"+
"<users_address>1001号 </users_address>"+
"</row>"+
"<row resultcount=\"2\">"+
"<users_id>1002 </users_id>"+
"<users_name>wangwei </users_name>"+
"<users_group>80 </users_group>"+
"<users_address>1002号 </users_address>"+
"</row>"+"</DATA>"+
"</Result>";
Document doc = null;
try {
doc = DocumentHelper.parseText(v_strXML);
} catch (DocumentException e2) {
// TODO 自动生成 catch 块
e2.printStackTrace();
}
Element root = doc.getRootElement();// 指向根节点
try {
List<Element> lstTime = root.elements("PAGE");// 所有的Item节点
for (int i = 0; i < lstTime.size(); i++) {
Element etime = (Element) lstTime.get(i);
Element start = etime.element("YSLDH");
Element end = etime.element("YSLDLXM");
System.out.println("start.getTextTrim()=" + start.getTextTrim());
System.out.println("end.getTextTrim()=" + end.getTextTrim());
}
} catch (Exception e) {
e.printStackTrace();
}
try {
Element lstTime = root.element("PAGE");// 所有的Item节点
Element start = lstTime.element("YSLDH");
Element end = lstTime.element("YSLDLXM");
System.out.println("start.getTextTrim()=" + start.getTextTrim());
System.out.println("end.getTextTrim()=" + end.getTextTrim());
}catch(Exception e){
e.printStackTrace();
}


try {
Element lstTime = root.element("DATA");// 所有的Item节点
List kk =lstTime.elements("row");
Iterator iterator =kk.iterator();
while(iterator.hasNext()){
Element k1 = (Element)iterator.next();
Element users_id=k1.element("users_id");
Element users_name=k1.element("users_name");
Element users_group=k1.element("users_group");
Element users_address=k1.element("users_address");
System.out.println(users_id.getTextTrim());
System.out.println(users_name.getTextTrim());
System.out.println(users_group.getTextTrim());
System.out.println(users_address.getTextTrim());
}

List<Element> picLinks = root.selectNodes("//row[@resultcount='1']");
for(Element e:picLinks){
System.out.println(e.element("users_id").getTextTrim());
}
}catch(Exception e){
e.printStackTrace();
}
}
}

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