zzfrm.java

ATM系统分为前台和后台

package atm;

//import javax.swing.SwingUtilities;
import java.awt.BorderLayout;
import javax.swing.JPanel;
import javax.swing.JFrame;
import java.awt.GridBagLayout;
import javax.swing.JLabel;
import java.awt.GridBagConstraints;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

import javax.swing.JTextField;
import javax.swing.JButton;

import oo.Sql;

public class ZZFrm extends JFrame {

	private static final long serialVersionUID = 1L;

	private JPanel jContentPane = null;

	private JPanel jPanel = null;

	private JLabel jLabel = null;

	private JTextField jTextField = null;

	private JLabel jLabel2 = null;

	private JTextField jTextField2 = null;

	private JButton jButton = null;

	/**
	 * This method initializes jPanel	
	 * 	
	 * @return javax.swing.JPanel	
	 */
	private JPanel getJPanel() {
		if (jPanel == null) {
			GridBagConstraints gridBagConstraints8 = new GridBagConstraints();
			gridBagConstraints8.gridx = 1;
			gridBagConstraints8.gridy = 4;
			GridBagConstraints gridBagConstraints5 = new GridBagConstraints();
			gridBagConstraints5.fill = GridBagConstraints.VERTICAL;
			gridBagConstraints5.gridy = 2;
			gridBagConstraints5.weightx = 1.0;
			gridBagConstraints5.gridx = 1;
			GridBagConstraints gridBagConstraints4 = new GridBagConstraints();
			gridBagConstraints4.gridx = 0;
			gridBagConstraints4.gridy = 2;
			jLabel2 = new JLabel();
			jLabel2.setText("请输入转帐金额：");
			GridBagConstraints gridBagConstraints1 = new GridBagConstraints();
			gridBagConstraints1.fill = GridBagConstraints.VERTICAL;
			gridBagConstraints1.gridy = 0;
			gridBagConstraints1.weightx = 1.0;
			gridBagConstraints1.gridx = 1;
			GridBagConstraints gridBagConstraints = new GridBagConstraints();
			gridBagConstraints.gridx = 0;
			gridBagConstraints.gridy = 0;
			jLabel = new JLabel();
			jLabel.setText("请输入收款人帐号：");
			jPanel = new JPanel();
			jPanel.setLayout(new GridBagLayout());
			jPanel.add(jLabel, gridBagConstraints);
			jPanel.add(getJTextField(), gridBagConstraints1);
			jPanel.add(jLabel2, gridBagConstraints4);
			jPanel.add(getJTextField2(), gridBagConstraints5);
			jPanel.add(getJButton(), gridBagConstraints8);
		}
		return jPanel;
	}

	/**
	 * This method initializes jTextField	
	 * 	
	 * @return javax.swing.JTextField	
	 */
	private JTextField getJTextField() {
		if (jTextField == null) {
			jTextField = new JTextField();
			jTextField.setColumns(18);
		}
		return jTextField;
	}

	/**
	 * This method initializes jTextField2	
	 * 	
	 * @return javax.swing.JTextField	
	 */
	private JTextField getJTextField2() {
		if (jTextField2 == null) {
			jTextField2 = new JTextField();
			jTextField2.setColumns(8);
		}
		return jTextField2;
	}

	/**
	 * This method initializes jButton	
	 * 	
	 * @return javax.swing.JButton	
	 */
	private JButton getJButton() {
		if (jButton == null) {
			jButton = new JButton();
			jButton.setText("确定");
			jButton.addActionListener(new java.awt.event.ActionListener() {
				public void actionPerformed(java.awt.event.ActionEvent e) {
					System.out.println("actionPerformed()"); // TODO Auto-generated Event stub actionPerformed()
					try{
						con=db.getConn();
						st=con.createStatement();
						ResultSet rs=db.executeQuery("select * from cardInfo where cardID='"+UserFrm.cardID+"'");
						String aa=String.valueOf(jTextField2.getText());
						int a=Integer.parseInt(aa);
						if(rs.next()){
							if(UserFrm.cardID==UserFrm.cardID){
								int i=Integer.parseInt(rs.getString("balance"))-a;
								rs=db.executeQuery("update cardInfo set balance='"+i+"' where cardID='"+UserFrm.cardID+"'");

									int ii=Integer.parseInt(rs.getString("balance"))+a;
									rs=db.executeQuery("update cardInfo set balance='"+ii+"' where cardID='"+jTextField.getText()+"'");
									javax.swing.JOptionPane.showMessageDialog(null, "转帐成功！");
									rs.close();
									UMFrm um=new UMFrm();
									um.setVisible(true);
									close();
								
							}
						}
					}catch(SQLException ee){
						ee.printStackTrace();
					}
				}
			});
		}
		return jButton;
	}
	Sql db=new Sql();  //  @jve:decl-index=0:
	Connection con;
	ResultSet rs;
	Statement st;
	/**
	 * This method initializes jButton1	
	 * 	
	 * @return javax.swing.JButton	
	 */
	public void close(){
		this.setVisible(false);
	}
	/**
	 * @param args
	 */
	/*public static void main(String[] args) {
		// TODO 自动生成方法存根
		SwingUtilities.invokeLater(new Runnable() {
			public void run() {
				ZZFrm thisClass = new ZZFrm();
				thisClass.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
				thisClass.setVisible(true);
			}
		});
	}

	/**
	 * This is the default constructor
	 */
	public ZZFrm() {
		super();
		initialize();
	}

	/**
	 * This method initializes this
	 * 
	 * @return void
	 */
	private void initialize() {
		this.setSize(350, 200);
		this.setContentPane(getJContentPane());
		this.setContentPane(getJContentPane());
		this.setTitle("用户转帐窗");
	}

	/**
	 * This method initializes jContentPane
	 * 
	 * @return javax.swing.JPanel
	 */
	private JPanel getJContentPane() {
		if (jContentPane == null) {
			jContentPane = new JPanel();
			jContentPane.setLayout(new BorderLayout());
			jContentPane.add(getJPanel(), BorderLayout.CENTER);
		}
		return jContentPane;
	}

}