display.java

JAVA产品存储系统

import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextArea;
/*
 * @author Amadan gong
 * @2008.11.17
 * @显示所有产品
 */
class display extends JFrame implements ActionListener{
	JFrame f1=null;
	public display(JFrame f)throws IOException{
		f1=new JFrame("information of production");
		Container contentPane=f1.getContentPane();
		JPanel panel=new JPanel();
		JTextArea area=new JTextArea(20,80);
		BufferedReader   br   =   new   BufferedReader(new   FileReader("production.txt"));  
		String   str   =   null;  
		  try   {   
			  while((str=br.readLine())!=null)   
			  area.append(str+'\n');   
			  }   catch   (IOException   e2)   {   
			  //   TODO   Auto-generated   catch   block   
			  e2.printStackTrace();   
			  }   
			  
		panel.add(area);
		contentPane.add(panel,BorderLayout.CENTER);
		f1.pack();
		f1.setVisible(true);
		f1.addWindowListener(new WindowAdapter(){
			public void windowClosing(WindowEvent e){
				System.exit(0);
			}
		});
	}
	public void actionPerformed(ActionEvent arg0) {
		// TODO Auto-generated method stub
		
	}
}