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import java.sql.Connection;import java.sql.DriverManager;import java.sql.PreparedStatement;import java.sql.ResultSet;import java.sql.SQLException;public class DBConnection {	private static final String DBDRIVER = "com.mysql.jdbc.Driver" ;			    private static final String DBURL = "jdbc:mysql://localhost:3306/db_Struts1;    private static final String DBUSER = "root" ;								    private static final String DBPASSWORD = "123456";								public static Connection getConnection(){		Connection conn = null;															try {			Class.forName(DBDRIVER);											//?????			conn = DriverManager.getConnection(DBURL,DBUSER,DBPASSWORD);				} catch (ClassNotFoundException e) {									   e.printStackTrace();												} catch (SQLException e) {															e.printStackTrace();		}		return conn;	}	public static void close(Connection conn)  		if(conn != null) {				 			try {				conn.close();			 			} catch (SQLException e) {				e.printStackTrace();			}		}	}	public static void close(PreparedStatement pstmt) {		if(pstmt != null) {				 			try {				pstmt.close();			 			} catch (SQLException e) {				e.printStackTrace();			}		}	}	public static void close(ResultSet rs) {		if(rs != null) {				 			try {				rs.close();				 			} catch (SQLException e) {				e.printStackTrace();			}		}	}}

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