用XML配置JDBC的批处理

import java.io.FileNotFoundException;import java.sql.Connection;import java.sql.DriverManager;import java.sql.ResultSet;import java.sql.SQLException;import java.sql.Statement;import java.util.Map;import javax.xml.bind.JAXBException;public class QueryBtwRecharge {public void query() throws FileNotFoundException, JAXBException, ClassNotFoundException, SQLException{ConnConfReader connConfReader=new ConnConfReader();Map<String,String> map=connConfReader.getConnConf();String dbDriver=map.get("dbDriver");String url=map.get("url");String user=map.get("user");String password=map.get("password");String sql=map.get("sql");Class.forName(dbDriver);Connection conn=DriverManager.getConnection(url, user, password);Statement stmt=conn.createStatement();ResultSet rs=stmt.executeQuery(sql);while(rs.next()){//System.out.println(rs.getString("cardnum")+"\t"+//rs.getString("total_fee")+"\t"+//rs.getString("createdate")+"\t"+//rs.getString("ip")+"\t"+//rs.getString("buyer_email")+"\t"//);System.out.println(rs.getString(1)+"\t"+rs.getString(2)+"\t"+rs.getString(3)+"\t"+rs.getString(4)+"\t");}if(rs!=null){rs.close();}if(stmt!=null){stmt.close();}if(conn!=null){conn.close();}}}