把Oracle数据库中的数据存到XML文件

package com.cnwu.db.toxml;

import java.io.IOException;

import java.sql.Connection;

import java.sql.DriverManager;

import java.sql.ResultSet;

import java.sql.SQLException;

import java.util.Date;

import org.dom4j.Document;

import org.dom4j.DocumentHelper;

import org.dom4j.Element;

import org.dom4j.io.OutputFormat;

public class DBWriteToXML

{

public static void main(String[] args) throws SQLException, IOException

{

// 使用dom4j从数据库中拿出数据，构建一个XML然后将其输出到控制台

Element root = DocumentHelper.createElement("orcl");

Document document = DocumentHelper.createDocument(root);

ResultSet rs = DBWriteToXML.getData();// 从数据库中获得数据，准备存放到xml

while (rs.next())

{

Integer id = rs.getInt(1);

String user = rs.getString(2);

Element element = root.addElement("person");

Element ID = element.addElement("id");

Element name = element.addElement("user");

ID.addText(String.valueOf(id));

name.addText(String.valueOf(user));

}

// ---------------------------------------------------

// 将获得的数据输出到控制台

OutputFormat format = new OutputFormat(" ", true);

format.setEncoding("gb2312"); // 设置输出时的编码，起先老是不能处理中文，就是这个原因

org.dom4j.io.XMLWriter xmlWriter = new org.dom4j.io.XMLWriter(

System.out, format);

xmlWriter.write(document);

xmlWriter.flush();

// -----------------------------------------------------

}

// ---------------------------------------------------

// 从Oracle数据库中获得数据

public static ResultSet getData()

{

try

{

ResultSet result = null;

Class.forName("oracle.jdbc.OracleDriver");

String url = "jdbc:oracle:thin:@localhost:1521:orcl";

String user = "scott";

String passwd = "tiger";

Connection conn = DriverManager.getConnection(url, user, passwd);

java.sql.Statement stm = conn.createStatement();

result = stm.executeQuery("select * from map");

return result;

}

catch (Exception e)

{

e.printStackTrace();

return null;

}

}

}

//数据库表：MAP



//下面是运行结果



参考连接：http://hi.baidu.com/200770842223/item/21543d57d8b204c49f2667ea?qq-pf-to=pcqq.c2c