passwordtrange2.java

本系统是鞋厂管理系统

import java.awt.*;
import java.awt.event.*;
import java.sql.*;
import javax.swing.*;

//该类为修改员工密码的类
public class PasswordTrange2 extends JFrame implements ActionListener
{
	DBConnection conn=new DBConnection();
	Connection con=conn.getConn();
	
	JPasswordField jpf1=new JPasswordField(10);
	JPasswordField jpf2=new JPasswordField(10);
	JButton b=new JButton("确定");
	
	PasswordTrange1 pt1=new PasswordTrange1();
	
	public  PasswordTrange2()
	{
		super("员工密码修改");
		setLocation(380,300);
		setSize(300,200);
		
		JLabel lb1=new JLabel("输入新密码");
		JLabel lb2=new JLabel("确认新密码");
		
		JPanel p1=new JPanel();
		JPanel p2=new JPanel();
		JPanel p3=new JPanel();
		JPanel p4=new JPanel();
		JPanel p5=new JPanel();
		JPanel p6=new JPanel();
		
		Container c=getContentPane();
		
		p1.setLayout(new FlowLayout());
		p1.add(lb1);
		p1.add(jpf1);;
		
		p3.setLayout(new FlowLayout());
		p2.add(lb2);
		p2.add(jpf2);
		
		p3.add(b);
		
		p4.setLayout(new GridLayout(3,1));
		p4.add(p1);
		p4.add(p2);
		p4.add(p3);
		
		c.setLayout(new BorderLayout());
		
		c.add(p5,BorderLayout.NORTH);
		c.add(p4,BorderLayout.CENTER);
		c.add(p6,BorderLayout.SOUTH);
		
		b.addActionListener(this);
	}
	
	public static void main(String[] args)
	{
		PasswordTrange2 trange=new PasswordTrange2();
	}
	

	public void actionPerformed(ActionEvent e)
	{
		if("确定".equals(e.getActionCommand()))
		{
			if(jpf1.getText().length()==0&&jpf2.getText().length()==0)
			{
				pt1.sorry();//调用PasswordTrange1的方法,提高代码的重用性
			}
			else if(!(jpf1.getText().equals(jpf2.getText())))
			{
				pt1.alert();//调用PasswordTrange1的方法,提高代码的重用性
			}
			else if(jpf1.getText().equals(jpf2.getText()))
			{
				setVisible(false);
				try
				{
					String sql="update staff set pass='"+jpf2.getText()+"'";
					Statement stmt=con.createStatement();
					stmt.executeUpdate(sql);
				}
				catch(SQLException ex){}
				pt1.success();//调用PasswordTrange1的方法,提高代码的重用性
			}
		}
	}
}