userpwd.java

代码是自己我的代码不是网上down的。是自己写的。里面有很多值得学习的知识点。还有一些javabean组件。不算自己写的JAR文件

package zcgl;

import java.awt.BorderLayout;

import javax.swing.JFrame;
import javax.swing.JPanel;
import java.awt.Rectangle;
import javax.swing.BorderFactory;
import javax.swing.JLabel;
import javax.swing.JTextField;
import javax.swing.JPasswordField;
import javax.swing.JButton;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.sql.*;
import java.awt.*;
import javax.swing.*;
/**
 * <p>Title: </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2008</p>
 *
 * <p>Company: </p>
 *
 * @author not attributable
 * @version 1.0
 */
public class UserPwd extends JFrame {
    Connection con = null;
   Statement smt = null;
   ResultSet rs = null;

    JPanel jPanel1 = new JPanel();
    JLabel jLabel1 = new JLabel();
    JTextField txtUser = new JTextField();
    JLabel jLabel2 = new JLabel();
    JPasswordField txtPass = new JPasswordField();
    JButton jButton1 = new JButton();

    public UserPwd() {
        try {
            jbInit();
        } catch (Exception exception) {
            exception.printStackTrace();
        }
    }

    private void jbInit() throws Exception {
        getContentPane().setLayout(null);
        jPanel1.setBorder(BorderFactory.createEtchedBorder());
        jPanel1.setBounds(new Rectangle(40, 45, 334, 168));
        jPanel1.setLayout(null);
        jLabel2.setText("密  码");
        jLabel2.setBounds(new Rectangle(49, 103, 42, 15));
        txtPass.setBounds(new Rectangle(105, 99, 126, 25));
        jButton1.setBounds(new Rectangle(158, 246, 83, 25));
        jButton1.setText("修改");
        jButton1.addActionListener(new UserPwd_jButton1_actionAdapter(this));
        this.getContentPane().add(jPanel1, null);
        txtUser.setBounds(new Rectangle(105, 43, 125, 21));
        jPanel1.add(jLabel1);
        jPanel1.add(txtUser);
        jPanel1.add(jLabel2);
        jPanel1.add(txtPass);
        this.getContentPane().add(jButton1);
        jLabel1.setText("用户名");
        jLabel1.setBounds(new Rectangle(52, 45, 42, 15));
    }

    public void jButton1_actionPerformed(ActionEvent e) throws
            ClassNotFoundException {
                con = new DBConn().getConnection();

               try {

                   smt = con.createStatement();
                   smt.executeUpdate("update OPERATOR set pwd='"+String.valueOf(txtPass.getPassword())+"'");
                   JOptionPane.showMessageDialog(this, "成功修改！");
               } catch (SQLException ex) {
               }
    }
    }



class UserPwd_jButton1_actionAdapter implements ActionListener {
    private UserPwd adaptee;
    UserPwd_jButton1_actionAdapter(UserPwd adaptee) {
        this.adaptee = adaptee;
    }

    public void actionPerformed(ActionEvent e) {
        try
        {
            adaptee.jButton1_actionPerformed(e);
        }
        catch(Exception ex)
        {

        }
    }
}