error.java

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import java.awt.BorderLayout; 
import java.awt.event.*;
import javax.swing.JLabel; 
import javax.swing.*;

public class Error extends JFrame
{
   JButton b1=new JButton("点击返回登陆界面");
	
   public Error()
	{
		super("错误");
		this.setBounds(300, 200, 500, 400);

		JLabel jl = null; 
        ImageIcon img = null; 
		img = new ImageIcon("sorry.jpg"); 
        jl = new JLabel(img); 
        this.setLayout(new BorderLayout()); 
        this.add(jl, BorderLayout.CENTER); 
        
		add("North",b1);
		b1.addActionListener(
		
		new ActionListener()
				{
        public void actionPerformed(ActionEvent e)
					{
						Denglu denglu=new Denglu();
						denglu.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
						denglu.setVisible(true);
						Error.this.dispose();
						
			  }
			}
		);
		
	}		
			
}