65.txt

是一个 java 基础学习软件 有设计说明

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.lang.*;
import java.util.*;
import java.net.*;
import java.io.*;
// email 程序
// 显示框架
public class EmailTest
{
   public static void main(String[] args)
   {
      EmailFrame frame = new EmailFrame();
      frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
      frame.setLocation(200,100);
      frame.setIconImage(Toolkit.getDefaultToolkit().getImage("about.gif"));
	  frame.setVisible(true);
	  frame.setResizable(false);
	  frame.addWindowListener(new
	  		WindowAdapter()
	  		{
				public void windowClosing(WindowEvent e)
				{
					System.exit(0);
				}
			});
	}
}
//
class EmailFrame extends JFrame
{
   Container contentPane;
   public EmailFrame() 								// initialization  Emailframe
   {
      this.setSize(WIDTH, HEIGHT);
      this.setTitle("...Send Email ... ");
  	  contentPane = getContentPane();
  	  
  	  LabelPanel labelPanel = new LabelPanel();
  	  SendPanel  sendPanel  = new SendPanel();
  	  
   	  contentPane.add(labelPanel,BorderLayout.CENTER); 
   	  contentPane.add(sendPanel,BorderLayout.SOUTH);    	  
   	  
   }
   
	public static final int WIDTH = 365;
	public static final int HEIGHT = 400;
	private JTextField from;
	private JTextField to;  
	private JTextField smtpServer;
	private JTextArea  message;
	private JTextArea  communication;
	private JTextField username;
	private JTextField password;	
	private JButton send; 
	private JButton clear; 	  
	private BufferedReader in ;
	private PrintWriter out;
// 发送	  
   public void sendEmail()									//  send Email
   {
   		try 
   		{
   			Socket s = new Socket(smtpServer.getText(),25);
   			
   			out = new PrintWriter (s.getOutputStream());
   			in = new BufferedReader(new InputStreamReader(s.getInputStream()));
   			
   			String host = InetAddress.getLocalHost().getHostName();
   			
   			this.receive();
   			send("HELLO"+host);
   			receive();
   			send("MAIL FROM:<"+from.getText()+">");
   			receive();
   			send("RCPT TO:<"+to.getText()+">");
   			receive();
   			send("DATA");
   			receive();
   			StringTokenizer tokenizer = new StringTokenizer(message.getText(),"\n");
   			while(tokenizer.hasMoreElements())
   				send(tokenizer.nextToken());
   			send (".");
   			receive();
   			s.close();
   		}catch(IOException e)
   		{
   			communication.append("Error:"+e);
   		}
   }
   
   public void send(String s ) throws IOException
   {
   		communication.append(s+"\n");
   		out.print(s);
   		out.print("\r\n");   		
   		out.flush();
   	}
   	
   	public void receive()throws IOException
   	{
   		String line = in.readLine();
   		if(line!=null)
   		{
   			communication.append(line+"\n");
   		}
   	}

   
   class LabelPanel extends JPanel
   {
   		public LabelPanel()									//  initialization  LabelPanel
   		{
   			this.add(new JLabel("   From :       "));
 	  		from= new JTextField ("[e-mail]",24);
   			this.add(from);
   			
   			this.add(new JLabel("   To :           "));
 	  		to= new JTextField ("[e-mail]",24);
   			this.add(to); 
   			  
   			this.add(new JLabel("SMTP server:"));
 	  		smtpServer= new JTextField ("smtp.163.com",24);
   			this.add(smtpServer);   
   			
   			message = new JTextArea(",hello !",6,31);	
   			this.add(message);	
   			
   			Date date = new Date();
   			communication = new JTextArea(date.toString()+"\n",6,31);
   			this.add(communication);
   			
			this.add(new JLabel("Username:"));
 	  		username= new JTextField ("",9);
   			this.add(username); 		
   			
			this.add(new JLabel("Password:"));
 	  		password= new JTextField ("",9);
   			this.add(password); 		   				
		
   		}
   }
   class SendPanel extends JPanel							// initialization  SendPanel
   {
   		public SendPanel()
   		{
   			clear = new JButton("Clear");
			clear.addActionListener(new
				ActionListener()
				{
					public void actionPerformed(ActionEvent event)
					{
						communication.setText("");
					}
				}); 
			this.add(clear);     			
   			send = new JButton("Send");
			send.addActionListener(new
				ActionListener()
				{
					public void actionPerformed(ActionEvent event)
					{
						new Thread()
						{
							public void run()
							{
								sendEmail();
							}
						}.start();
					}
				}); 
			this.add(send);  			
		}
   }
      
   
}