?? passwordfrom.java~3~
字號:
package testsystem;
import java.awt.*;
import java.sql.*;
import javax.swing.*;
import java.awt.Rectangle;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
public class PassWordFrom extends JFrame {
private ImageIcon im1 = new ImageIcon("img\\forumlink.gif");
public PassWordFrom() {
try {
jbInit();
} catch (Exception exception) {
exception.printStackTrace();
}
}
private void jbInit() throws Exception {
this.setResizable(false);
setTitle("密碼修改");
getContentPane().setLayout(null);
jLabel1.setText("請輸入用戶名:");
jLabel1.setBounds(new Rectangle(53, 64, 96, 28));
jButton1.setBounds(new Rectangle(152, 206, 111, 35));
jButton1.setToolTipText("");
jButton1.setIcon(im1);
jButton1.setText("修改");
jButton1.addActionListener(new PassWordFrom_jButton1_actionAdapter(this));
this.getContentPane().add(jLabel1);
jp2.setBounds(new Rectangle(152, 149, 147, 32));
jp1.setBounds(new Rectangle(151, 105, 149, 30));
jt1.setBounds(new Rectangle(151, 65, 150, 30));
jLabel4.setHorizontalAlignment(SwingConstants.CENTER);
jLabel4.setText("密 碼 修 改");
jLabel4.setBounds(new Rectangle(122, 11, 151, 32));
jLabel3.setText("請輸入新密碼:");
jLabel3.setBounds(new Rectangle(53, 148, 87, 28));
this.getContentPane().add(jLabel2);
this.getContentPane().add(jLabel3);
this.getContentPane().add(jLabel4);
this.getContentPane().add(jt1);
this.getContentPane().add(jp1);
this.getContentPane().add(jp2);
this.getContentPane().add(jButton1);
jLabel2.setText("請輸入舊密碼:");
jLabel2.setBounds(new Rectangle(53, 105, 85, 29));
}
public static void main(String[] args) {
PassWordFrom passwordfrom = new PassWordFrom();
}
JLabel jLabel1 = new JLabel();
JLabel jLabel2 = new JLabel();
JLabel jLabel3 = new JLabel();
JLabel jLabel4 = new JLabel();
JTextField jt1 = new JTextField();
JPasswordField jp1 = new JPasswordField();
JPasswordField jp2 = new JPasswordField();
JButton jButton1 = new JButton();
public void jButton1_actionPerformed(ActionEvent e) {
String Name=jt1.getText().trim();
String psw=new String(jp1.getPassword()).trim();
String pwd=new String(jp2.getPassword()).trim();
Connection con=null;
Statement s1=null;
ResultSet rs=null;
if(Name.length()!=0&&psw.length()!=0&&pwd.length()!=0)
{
try
{
con = DBcon.link();
s1 = con.createStatement();
rs = s1.executeQuery("select * from Login where Name='" + Name + "'");
if (rs.next())
{
String oldpsw = rs.getString("Password");
if (oldpsw.equals(psw))
{
JOptionPane.showMessageDialog(null, "舊密碼輸入正確!");
s1.executeUpdate("update Login set PassWord='"+pwd+"' where Name='"+Name+"'");
JOptionPane.showMessageDialog(null, "新密碼修改成功!");
}
else
{
JOptionPane.showMessageDialog(null, "舊密碼輸入錯誤!","提示",JOptionPane.ERROR_MESSAGE);
}
}
else
{
JOptionPane.showMessageDialog(null, "無此用戶,請重新輸入!","提示",JOptionPane.ERROR_MESSAGE);
jt1.setText("");
jp1.setText("");
jp2.setText("");
jt1.requestFocus();
}
}
catch(SQLException co)
{
co.getMessage();
}
}
else
{
JOptionPane.showMessageDialog(null, "對不起,信息不能為空!","提示",JOptionPane.ERROR_MESSAGE);
}
}
}
class PassWordFrom_jButton1_actionAdapter implements ActionListener {
private PassWordFrom adaptee;
PassWordFrom_jButton1_actionAdapter(PassWordFrom adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.jButton1_actionPerformed(e);
}
}
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