yinxing2006的专栏

package model;import java.io.PrintStream;import java.sql.*;public class DBConnector{  String DriverName;  String DBUrl;  Connection conn;  ResultSet rs;    public String getDBUrl() {     return DBUrl;

package lib;/* * 查询数据库,通过传递进来的SQL查询语句从数据库中检索信息,并以相应格式显示 */import java.sql.*;import java.util.*;import javax.swing.*;import javax.swing.table.*;import view.QueryDBView;public class QueryDBBean{ static

/* * 用于连接SQL Server 2000数据库 */package lib;import java.sql.*;public class DBConnector{  String DriverName;  String ip;  int port;  String DBName;  String DBUrl;  String userName;  String password;  Con

jButton.addKeyListener(new KeyListener(){ public void keyTyped(KeyEvent e){} public void keyPressed(KeyEvent e){txt.setText("键被按下");} public void keyReleased(KeyEvent e){txt.setText("键被释放");} });

package lib;public class Constants{        //用于检测用户合法性的表(即用户帐户信息表)    public static final String userInfoTableName = "userInfo";    public static final String userNameFiledName = "userName";    public

/* * 用于连接SQL Server 2000数据库 */package lib;import java.sql.*;public class DBConnector{  String DriverName;  String ip;  int port;  String DBName;  String DBUrl;  String userName;  String password;  Con