changepassword.java

使用JBuilder基于Oracle数据库的课程作业

package StudentManageSystem.mainframeswing;

import javax.swing.*;
import java.awt.BorderLayout;
import java.awt.Rectangle;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import StudentManageSystem.link.SQLRunner;
import java.sql.ResultSet;
import java.awt.*;
import java.sql.*;

class ChangePassword extends JDialog {
    String id;
    public ChangePassword(String id) {
        try {
            this.id=id;
            jbInit();
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }

    private void jbInit() throws Exception {
        this.getContentPane().setLayout(null);
        this.setSize(400,330);
        this.setTitle("密码修改");
        jLabel1.setText("旧密码");
        jLabel1.setBounds(new Rectangle(46, 34, 83, 33));
        jPasswordField_new2.setText("");
        jPasswordField_new2.setBounds(new Rectangle(154, 167, 174, 40));
        jLabel3.setText("确认新密码");
        jLabel3.setBounds(new Rectangle(46, 173, 130, 25));
        jPasswordField_new1.setText("");
        jPasswordField_new1.setBounds(new Rectangle(153, 101, 174, 38));
        jLabel2.setText("新密码");
        jLabel2.setBounds(new Rectangle(46, 106, 78, 31));
        jButton2.addActionListener(new ChangePassword_jButton2_actionAdapter(this));
        jButton1.addActionListener(new ChangePassword_jButton1_actionAdapter(this));
        jButton2.setBounds(new Rectangle(220, 241, 87, 31));
        jButton2.setText("取消");
        jButton1.setBounds(new Rectangle(96, 241, 85, 31));
        jButton1.setText("确定");
        this.getContentPane().add(jLabel1);
        this.getContentPane().add(jLabel2);
        this.getContentPane().add(jLabel3);
        this.getContentPane().add(jButton1);
        this.getContentPane().add(jButton2);
        this.getContentPane().add(jPasswordField_new2);
        this.getContentPane().add(jPasswordField_new1);
        this.getContentPane().add(jPasswordField_old);
        jPasswordField_old.setText("");
        jPasswordField_old.setBounds(new Rectangle(154, 25, 173, 38));
        this.setResizable(false);
    }

    JLabel jLabel1 = new JLabel();
    JPasswordField jPasswordField_old = new JPasswordField();
    JLabel jLabel2 = new JLabel();
    JPasswordField jPasswordField_new1 = new JPasswordField();
    JLabel jLabel3 = new JLabel();
    JPasswordField jPasswordField_new2 = new JPasswordField();
    JButton jButton1 = new JButton();
    JButton jButton2 = new JButton();
    public void jButton2_actionPerformed(ActionEvent e) {
        this.dispose();
    }

    public void jButton1_actionPerformed(ActionEvent e) {
        String old=new String(jPasswordField_old.getPassword());
        ResultSet rs=SQLRunner.getResult("select * from mysysuser where id='"+id+"' and password='"+old+"'");
        try {
            if (rs.next()) {
                String new1 = new String(jPasswordField_new1.getPassword());
                String new2 = new String(jPasswordField_new2.getPassword());
                if (new1.equals(new2)) {
                    if (SQLRunner.executSql("update mysysuser set password='" +
                                            new1 + "' where id='" + id + "'")) {
                        JOptionPane.showMessageDialog(null, "密码修改成功", "密码修改",
                                JOptionPane.INFORMATION_MESSAGE);
                        this.dispose();
                    } else {
                        JOptionPane.showMessageDialog(null, "新密码不应过长", "密码修改",
                                JOptionPane.ERROR_MESSAGE);
                    }
                } else {
                    JOptionPane.showMessageDialog(null, "新密码不一致", "密码修改",
                                                  JOptionPane.ERROR_MESSAGE);
                    return;

                }
            } else {
                JOptionPane.showMessageDialog(null, "旧密码错误", "密码修改",
                                              JOptionPane.ERROR_MESSAGE);
                return;
            }
        } catch (HeadlessException ex) {
        } catch (SQLException ex) {
        }
    }

}


class ChangePassword_jButton1_actionAdapter implements ActionListener {
    private ChangePassword adaptee;
    ChangePassword_jButton1_actionAdapter(ChangePassword adaptee) {
        this.adaptee = adaptee;
    }

    public void actionPerformed(ActionEvent e) {
        adaptee.jButton1_actionPerformed(e);
    }
}


class ChangePassword_jButton2_actionAdapter implements ActionListener {
    private ChangePassword adaptee;
    ChangePassword_jButton2_actionAdapter(ChangePassword adaptee) {
        this.adaptee = adaptee;
    }

    public void actionPerformed(ActionEvent e) {
        adaptee.jButton2_actionPerformed(e);
    }
}