jdom从MYSQL导出XML文件

import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.sql.*;

import org.jdom.Document;
import org.jdom.Element;
import org.jdom.output.XMLOutputter;

public class XMLfromMYSQL {

	public static void main(String[] args) {
		ResultSet rs = null;
		Statement stmt = null;
		Connection conn = null;
		try {
			String URL = "jdbc:mysql://127.0.0.1:3306/multi";
			String user = "root";
			String password = "123";
			Class.forName("com.mysql.jdbc.Driver");
			conn = DriverManager.getConnection(URL, user, password);
			stmt = conn.createStatement();
			rs = stmt.executeQuery("SELECT Rbh,Rgly,Rlx,Rbz FROM RJBB");

			Document document = new Document(new Element("RJBB"));// 创建文档,用表名做根元素
			int count = 1;
			String sElement = "";
			ResultSetMetaData rsmd = rs.getMetaData(); // 获取字段名
			int numberOfColumns = rsmd.getColumnCount(); // 获取字段数
			while (rs.next()) {
				sElement = "第" + count + "行";
				Element element0 = new Element(sElement); // 创建元素 生成JDOM树
				document.getRootElement().addContent(element0);
				for (int i = 1; i <= numberOfColumns; i++) {
					String date = rs.getString(i); // 代码转换
					Element element = new Element(rsmd.getColumnName(i))
							.setText(date);
					element0.addContent(element);
				}
				count++;
			}
			rs.close();

			XMLOutputter outp = new XMLOutputter();
			try {
				outp.output(document, new FileOutputStream("D:\\MYSQL.xml"));
			} catch (FileNotFoundException e) {
				e.printStackTrace();
			} catch (IOException e) {
				e.printStackTrace();
			} // 输出XML文档
			System.out.println("XML 文档生成完毕！");
		} catch (ClassNotFoundException e) {
			e.printStackTrace();
		} catch (SQLException e) {
			e.printStackTrace();
		} finally {
			try {
				if (rs != null) {
					rs.close();
					rs = null;
				}
				if (stmt != null) {
					stmt.close();
					stmt = null;
				}
				if (conn != null) {
					conn.close();
					conn = null;
				}
			} catch (SQLException e) {
				e.printStackTrace();
			}
		}
	}

}