dom4j 解析 xml 非常好用

package com.xml.test;

import java.io.ByteArrayInputStream;

import org.dom4j.Document;

import org.dom4j.Element;

import org.dom4j.io.SAXReader;

public class TestXml {

public static void ReadXml(String xmlstring){

ByteArrayInputStream inst=null;

System.out.println("-----------------------"+xmlstring);

xmlstring=xmlstring.replaceAll("null","");

System.out.println("-----------------------"+xmlstring);

try

{

String method="";

SAXReader reader = new SAXReader();

inst=new ByteArrayInputStream(xmlstring.getBytes());

Document xmltable = reader.read(inst);

Element tableroot=xmltable.getRootElement();

if("user".equals(tableroot.getName())){

String userid=xmltable.selectSingleNode("//user/userid").getText();

String password=xmltable.selectSingleNode("//user/password").getText();

String sex=xmltable.selectSingleNode("//user/sex").getText();

String name=xmltable.selectSingleNode("//user/name").getText();

/*String birthday=xmltable.selectSingleNode("//doc/doc-record/birthday").getText();

String mail=xmltable.selectSingleNode("//doc/doc-record/mail").getText();

String address=xmltable.selectSingleNode("//doc/doc-record/address").getText();

*/

System.out.println("---------------------userid:"+userid);

System.out.println("---------------------password:"+password);

System.out.println("---------------------sex:"+sex);

System.out.println("---------------------name:"+name);

System.out.println("---------------------");

System.out.println("---------------------");

System.out.println("---------------------");

method=xmltable.selectSingleNode("//doc/doc-record/method").getText();

System.out.println("---------------------method:"+method);

}

}catch(Exception e){

System.out.println("-------------------------::::"+e.getMessage());

}

}

public static void main(String args[]){

String str="";

StringBuffer strxml=new StringBuffer();

strxml.append("<?xml version=/"1.0/" encoding=/"gb2312/"?>");

strxml.append("<user>");

strxml.append("<userid>");

strxml.append("zhanghouying");

strxml.append("</userid>");

strxml.append("<password>");

strxml.append("111111");

strxml.append("</password>");

strxml.append("<sex>");

strxml.append("1");

strxml.append("</sex>");

strxml.append("<name>");

strxml.append("张厚营");

strxml.append("</name>");

strxml.append("</user>");

System.out.println("-----------------------"+strxml);

TestXml.ReadXml(strxml.toString());

}

}