数据库应用-java+sqlserver（五）ModifyPassword

ModifyPassword:

import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.sql.Statement;
import javax.swing.*;


public class ModifyPassword extends JDialog implements ActionListener
{
    JPasswordField t1,t2,t3;
    JButton b1,b2;
    static String userid,password;
    ModifyPassword(MyFrame f,String s,boolean b)
    {
        super(f,s,b);
        t1=new JPasswordField(20);
        t2=new JPasswordField(20);
        t3=new JPasswordField(20);
        
        b1=new JButton("确定");
        b2=new JButton("取消");
        b1.addActionListener(this);
        b2.addActionListener(this);
        
        Box vbox=Box.createVerticalBox();
        JPanel p1=new JPanel(),
               p2=new JPanel(),
               p3=new JPanel(),
               p4=new JPanel();
        
        p1.add(new JLabel("原始密码:"));
        p1.add(t1);
        p2.add(new JLabel(" 新 密 码 :"));
        p2.add(t2);
        p3.add(new JLabel("确认密码:"));
        p3.add(t3);
        p4.add(b1);
        p4.add(b2);
        
        vbox.add(Box.createVerticalStrut(20));
        vbox.add(p1);
        vbox.add(Box.createVerticalStrut(20));
        vbox.add(p2);
        vbox.add(Box.createVerticalStrut(20));
        vbox.add(p3);
        vbox.add(Box.createVerticalStrut(20));
        vbox.add(p4);
        add(vbox);
        setBounds(200,200,400,300);
        setDefaultCloseOperation(HIDE_ON_CLOSE);
    }
    public void actionPerformed(ActionEvent e)
    {
        if(e.getSource()==b1)
        {
            String s1=new String(t1.getPassword()),
                   s2=new String(t2.getPassword()),
                   s3=new String(t3.getPassword());
            userid=Logon.userid;
            password=Logon.password;
             System.out.println(password+"passwordx");
            if(s1.equals(password.trim()))
            {
                System.out.println(password+"passwordok");
                if(s2.equals(s3))
                {   
                    SqlManager DBm=SqlManager.createInstance();
                    DBm.connectDB();
                    String sql="exec ProcModify'"+userid+"','"+s2+"'";
                    System.out.println(sql);
                    if(DBm.executeUpdate(sql)==1)
                    {
                        JOptionPane.showMessageDialog(this, "密码修改成功");
                        password=s2;
                        Logon.password=s2;
                        setVisible(false);
                    }
                    else{
                        JOptionPane.showMessageDialog(this, "密码修改失败!!!\n请重试");
                        t1.setText(null);
                        t2.setText(null);
                        t3.setText(null);
                        t1.requestFocusInWindow();  
                    }
                }
            }
            else{
                JOptionPane.showMessageDialog(this, "原始密码输入错误!!!\n请重新输入");
                t1.setText(null);
                t2.setText(null);
                t3.setText(null);
                t1.requestFocusInWindow();  
            }        
        }
        else if(e.getSource()==b2)
        {
            t1.setText(null);
            t2.setText(null);
            t3.setText(null);
            t1.requestFocusInWindow();
            setVisible(false);
        }
        
    }
}