Java修改密码实现

package repasswrod; import java.awt.BorderLayout; import java.awt.Dimension; import javax.swing.JFrame; import javax.swing.JPanel; import java.awt.GridLayout; import javax.swing.JLabel; import java.awt.Rectangle; import javax.swing.JTextField; import java.awt.Font; import javax.swing.JButton; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JOptionPane; /** * <p>Title: </p> * * <p>Description: </p> * * <p>Copyright: Copyright (c) 2007</p> * * <p>Company: </p> * * @author not attributable * @version 1.0 */ public class newpassFrame extends JFrame { JPanel contentPane; JLabel jlbNewpas = new JLabel(); JTextField jtfUser = new JTextField(); JLabel jlbUser = new JLabel(); JTextField jtfOldpas = new JTextField(); JTextField jtfNewpas = new JTextField(); JLabel jlbOldpas = new JLabel(); JLabel jLbTitle = new JLabel(); JButton REButton = new JButton(); public newpassFrame() { try { setDefaultCloseOperation(EXIT_ON_CLOSE); jbInit(); } catch (Exception exception) { exception.printStackTrace(); } } /** * Component initialization. * * @throws java.lang.Exception */ private void jbInit() throws Exception { contentPane = (JPanel) getContentPane(); contentPane.setLayout(null); setSize(new Dimension(400, 300)); setTitle("修改密码"); jlbNewpas.setText("请输入新密码："); jlbNewpas.setBounds(new Rectangle(94, 164, 89, 32)); jtfUser.setBounds(new Rectangle(205, 97, 119, 31)); jtfUser.addActionListener(new newpassFrame_jtfUser_actionAdapter(this)); jlbUser.setText("请输入登录名："); jlbUser.setBounds(new Rectangle(92, 96, 113, 32)); jtfOldpas.setBounds(new Rectangle(205, 131, 119, 31)); jtfNewpas.setBounds(new Rectangle(205, 164, 119, 31)); jlbOldpas.setToolTipText(""); jlbOldpas.setText("请输入旧密码："); jlbOldpas.setBounds(new Rectangle(92, 131, 101, 32)); jLbTitle.setFont(new java.awt.Font("宋体", Font.PLAIN, 14)); jLbTitle.setText("修改密码"); jLbTitle.setBounds(new Rectangle(170, 40, 61, 31)); REButton.setBounds(new Rectangle(137, 209, 125, 53)); REButton.setAction(null); REButton.setText("修改"); REButton.addActionListener(new newpassFrame_REButton_actionAdapter(this)); contentPane.add(jlbNewpas); contentPane.add(jtfUser); contentPane.add(jlbUser); contentPane.add(jtfOldpas); contentPane.add(jtfNewpas); contentPane.add(jlbOldpas); contentPane.add(jLbTitle); contentPane.add(REButton); } public void REButton_actionPerformed(ActionEvent e) { String LoginName = jtfUser.getText(); String OldPassWord = jtfOldpas.getText(); String NewPassword = jtfNewpas.getText(); if (LoginName.equals("")) { JOptionPane.showMessageDialog(this, "请填写用户登录名", "提示", JOptionPane.ERROR_MESSAGE, null); jtfUser.requestFocus(true); //获取用户登录文本的焦点 } else { boolean getUser = (new DBOperate()).GetUser(LoginName); if (getUser) { JOptionPane.showMessageDialog(this, "没有该登录名，请核实。", "提示", JOptionPane.ERROR_MESSAGE, null); jtfUser.setSelectionStart(0); //选择文本高亮的起点 jtfUser.setSelectionEnd(LoginName.length()); //选择文本高亮的尾部 jtfUser.requestFocus(true); } else { boolean getPwd = (new DBOperate()).GetPwd(LoginName, OldPassWord); if (getPwd) { JOptionPane.showMessageDialog(this, "旧密码错误，请重新输入", "提示", JOptionPane.ERROR_MESSAGE, null); jtfOldpas.setSelectionStart(0); jtfOldpas.setSelectionEnd(LoginName.length()); jtfOldpas.requestFocus(true); } else { boolean Succeed = (new DBOperate()).RePwd(LoginName, NewPassword); if (Succeed) JOptionPane.showMessageDialog(this, "密码修改成功。", "提示", JOptionPane.INFORMATION_MESSAGE, null); else JOptionPane.showMessageDialog(this, "修改错误。", "提示", JOptionPane. ERROR_MESSAGE, null); } } } } public void jtfUser_actionPerformed(ActionEvent e) { } } class newpassFrame_jtfUser_actionAdapter implements ActionListener { private newpassFrame adaptee; newpassFrame_jtfUser_actionAdapter(newpassFrame adaptee) { this.adaptee = adaptee; } public void actionPerformed(ActionEvent e) { adaptee.jtfUser_actionPerformed(e); } } class newpassFrame_REButton_actionAdapter implements ActionListener { private newpassFrame adaptee; newpassFrame_REButton_actionAdapter(newpassFrame adaptee) { this.adaptee = adaptee; } public void actionPerformed(ActionEvent e) { adaptee.REButton_actionPerformed(e); } }