mailclient.java

邮件客户端源代码java版

/*
	此类是创建邮件代理界面并调用邮件发送
*/
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.JOptionPane;
 class Platform extends JDialog implements ActionListener{
 	
	private static final int WINDOW_WIDTH=300;
	
	private static final int WINDOW_HEIGHT=350;
	
    private static final int FIELD_WIDTH=25;
    
    private static final int AREA_WIDTH=8;
    
    private static final int AREA_HEIGHT=25;
    
    private static final int PORT_NUMBER=25;
    
    private static final Point LOCATION=new Point(200,150);
    
	private JLabel fromTag=new JLabel("From:   ");
	
	private JTextField fromText=new JTextField(FIELD_WIDTH);
	
	private JLabel toTag=new JLabel("To:     ");
	
	private JTextField toText=new JTextField(FIELD_WIDTH);
	
	private JLabel subjectTag=new JLabel("Subject:");
	
	private JTextField subjectText=new JTextField(FIELD_WIDTH);
	
	private JLabel messageTag= new JLabel("Message:");
	
	private JTextArea messageArea=new JTextArea(AREA_WIDTH,AREA_HEIGHT);
	
	private JButton sendButton=new JButton("Send");
	
	private JButton clearButton=new JButton("Clear");
	
	private JButton quitButton=new JButton("Quit");
	
	//初始化邮件代理界面
	public Platform(JFrame jf){
		
		super(jf,"Java MailClient",true);
		
		setSize(WINDOW_WIDTH,WINDOW_HEIGHT);

		
		messageArea.setWrapStyleWord(true);
		
		messageArea.setLineWrap(true);
		
		messageArea.setBackground(Color.white);
		
		sendButton.addActionListener(this);
		
		clearButton.addActionListener(this);
		
		quitButton.addActionListener(this);
		
		messageArea.setLineWrap(true);
		
		Panel tag=new Panel();
		
		Panel text=new Panel();
		
		Panel area=new Panel();
		
		Panel up=new Panel();
		
		Panel button=new Panel();
		
		Panel whole=new Panel();
		
		up.setLayout(new BorderLayout());
		
		tag.setLayout(new GridLayout(3,1));
		
		text.setLayout(new GridLayout(3,1));
		
		tag.add(fromTag);
		
		tag.add(toTag);
		
		tag.add(subjectTag);
		
		text.add(fromText);
		
		text.add(toText);
		
		text.add(subjectText);
		
		up.add(tag,BorderLayout.WEST);
		
		up.add(text,BorderLayout.CENTER);
		
		area.setLayout(new BorderLayout());
		
		area.add(messageTag,BorderLayout.NORTH);
		
		area.add(messageArea,BorderLayout.CENTER);
		
		button.setLayout(new GridLayout(1,3));
		
		button.add(sendButton);
		
		button.add(clearButton);
		
		button.add(quitButton);
		
		whole.setLayout(new BorderLayout());
		
		whole.add(up,BorderLayout.NORTH);
		
		whole.add(area,BorderLayout.CENTER);
		
		whole.add(button,BorderLayout.SOUTH);
		
		add(whole);
		
		setLocation(LOCATION);
		
		setResizable(false);
		
		show();
	}
	
	//侦听事件接口
	public void actionPerformed(ActionEvent e){
		try{
		
			if (e.getActionCommand()=="Send"){
			
			
				Login login=new Login(new JFrame());
		
		    	SendMail mail=new SendMail();
			
				mail.setFrom(fromText.getText().trim());
	
				mail.setTo(toText.getText().trim());
	
				mail.setSubject(subjectText.getText().trim());
			
				mail.setData(messageArea.getText()) ;
           
				mail.createSocket(mail.getservername(),PORT_NUMBER);
			

				if(mail.transmit(login.getUserName(),login.getUserPassword())==1){
					
					System.out.println("The mai has been sent!");
					
				}
				else{
					
					System.out.println("It's fail to sent the mail!");
					
				}

				mail.close();
				
			}
			
			else if(e.getActionCommand()=="Clear"){
				
				messageArea.setText(null);
				
			}
			
			else{
				
				System.exit(1);
				
			}
			
		}
		
		catch(Exception f){
			
			System.out.println("There is a Exception.");
			
		}
		
	}
	

}



public class MailClient{
	
	public static void main(String[] args) throws Exception{
		
		Platform a=new Platform(new JFrame());

	}
}