JAVA开发的ATM机模拟系统，连接数据库

JAVA开发的模拟ATM，实现存取款功能，修改密码，查询，用JDBC连接数据库。

package ATM;
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JPanel;
import javax.swing.JTextArea;
import java.awt.FlowLayout;


public class atm1 extends JDialog {
	private JTextArea textArea;
	private boolean inputCardStatus = true;//输入卡号状态
	private boolean inputPassStatus = false;//输入密码状态
	int  xiugaimima=0;
	
	private String cardNo = ““;//卡号
	private String pass = ““;//密码
	private Connection con;

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2010-09-01 19:28  tangwei\
     文件         340  2010-09-09 11:53  tangwei\.classpath
     文件         383  2010-09-01 19:28  tangwei\.project
     目录           0  2010-09-01 19:29  tangwei\ATM\
     文件         499  2010-09-09 09:01  tangwei\ATM\atm$1.class
     文件         740  2010-09-09 09:01  tangwei\ATM\atm.class
     文件         502  2010-09-09 11:25  tangwei\ATM\atm1$1.class
     文件        1000  2010-09-09 11:25  tangwei\ATM\atm1$10.class
     文件         930  2010-09-09 11:25  tangwei\ATM\atm1$11.class
     文件        1000  2010-09-09 11:25  tangwei\ATM\atm1$12.class
     文件        2729  2010-09-09 11:25  tangwei\ATM\atm1$13.class
     文件         841  2010-09-09 11:25  tangwei\ATM\atm1$14.class
     文件         814  2010-09-09 11:25  tangwei\ATM\atm1$15.class
     文件         556  2010-09-09 11:25  tangwei\ATM\atm1$16.class
     文件         798  2010-09-09 11:25  tangwei\ATM\atm1$17.class
     文件         829  2010-09-09 11:25  tangwei\ATM\atm1$18.class
     文件         998  2010-09-09 11:25  tangwei\ATM\atm1$2.class
     文件         998  2010-09-09 11:25  tangwei\ATM\atm1$3.class
     文件         998  2010-09-09 11:25  tangwei\ATM\atm1$4.class
     文件         998  2010-09-09 11:25  tangwei\ATM\atm1$5.class
     文件         998  2010-09-09 11:25  tangwei\ATM\atm1$6.class
     文件         998  2010-09-09 11:25  tangwei\ATM\atm1$7.class
     文件         998  2010-09-09 11:25  tangwei\ATM\atm1$8.class
     文件         998  2010-09-09 11:25  tangwei\ATM\atm1$9.class
     文件        6750  2010-09-09 11:25  tangwei\ATM\atm1.class
     文件       11707  2010-09-09 11:49  tangwei\ATM\atm1.java
     目录           0  2010-09-09 08:57  tangwei\ATM\lib\
     文件      537303  2010-04-20 01:12  tangwei\ATM\lib\sqljdbc4.jar