mainui.java

用Java编写的一个可下载MP3

package org.serain.shmily.mail;

import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.*;


import javax.mail.Message;
import javax.swing.*;

public class MainUI extends JFrame {
	private Email email;
	private ReceiveMail receiveMail;
	private JTextField to;
	private JTextField from;
	private JTextField cc;
	private JTextField bcc;
	private JTextField subject;
	private JTextArea text;
	private JTextField attachment;
	private JTextField mailhost;
	private JTextField username;
	private JTextField password;
	private JTextField proxyHost;
	private JTextField proxyPort;
	private JPanel buttonPanel;
	private JTextArea console;
	
	public MainUI(){
		setSize(400,700);
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setTitle("Mail发送系统");
		setLayout(new GridBagLayout());
		
		add(new JLabel("收件地址(*)："),new GBC(0,0).setFill(GBC.HORIZONTAL));
		to=new JTextField();
		add(to,new GBC(1,0,3,1).setFill(GBC.HORIZONTAL).setWeight(100, 0));
		add(new JLabel("发件地址(*)："),new GBC(0,1).setFill(GBC.HORIZONTAL));
		from=new JTextField();
		add(from,new GBC(1,1,3,1).setFill(GBC.HORIZONTAL).setWeight(100, 0));
		add(new JLabel("抄送地址："),new GBC(0,2).setFill(GBC.HORIZONTAL));
		cc=new JTextField();
		add(cc,new GBC(1,2,3,1).setFill(GBC.HORIZONTAL).setWeight(100, 0));
		add(new JLabel("暗送地址："),new GBC(0,3).setFill(GBC.HORIZONTAL));
		bcc=new JTextField();
		add(bcc,new GBC(1,3,3,1).setFill(GBC.HORIZONTAL).setWeight(100, 0));
		add(new JLabel("邮件主题(*)："),new GBC(0,4).setFill(GBC.HORIZONTAL));
		subject=new JTextField();
		add(subject,new GBC(1,4,3,1).setFill(GBC.HORIZONTAL).setWeight(100, 0));
		add(new JLabel("附件路径："),new GBC(0,5).setFill(GBC.HORIZONTAL));
		attachment=new JTextField();
		add(attachment,new GBC(1,5,3,1).setFill(GBC.HORIZONTAL).setWeight(100, 0));
		text=new JTextArea();
		add(new JScrollPane(text),new GBC(0,6,4,1).setFill(GBC.BOTH).setWeight(100, 100));
		add(new JLabel("服务器(*)："),new GBC(0,7).setFill(GBC.HORIZONTAL));
		mailhost=new JTextField();
		add(mailhost,new GBC(1,7,3,1).setFill(GBC.HORIZONTAL).setWeight(100, 0));
		add(new JLabel("用户(*)："),new GBC(0,8).setFill(GBC.HORIZONTAL));
		username=new JTextField();
		add(username,new GBC(1,8).setFill(GBC.HORIZONTAL).setWeight(50, 0));
		add(new JLabel("密码(*)："),new GBC(2,8).setFill(GBC.HORIZONTAL));
		password=new JTextField();
		add(password,new GBC(3,8).setFill(GBC.HORIZONTAL).setWeight(50, 0));
		add(new JLabel("代理："),new GBC(0,9).setFill(GBC.HORIZONTAL));
		proxyHost=new JTextField();
		add(proxyHost,new GBC(1,9).setFill(GBC.HORIZONTAL).setWeight(50, 0));
		add(new JLabel("端口："),new GBC(2,9).setFill(GBC.HORIZONTAL));
		proxyPort=new JTextField();
		add(proxyPort,new GBC(3,9).setFill(GBC.HORIZONTAL).setWeight(50, 0));
		buttonPanel=new JPanel();
		add(buttonPanel,new GBC(0,10,4,1).setFill(GBC.HORIZONTAL));
		JButton send=new JButton("发送");
		buttonPanel.add(send);
		JButton cancel=new JButton("收信");
		buttonPanel.add(cancel);
		console=new JTextArea();
		console.setEditable(false);
		add(new JScrollPane(console),new GBC(0,11,4,1).setFill(GBC.BOTH).setWeight(100, 100));
		
		send.addActionListener(new ActionListener(){
			public void actionPerformed(ActionEvent arg0) {
				sendButtonAction();
			}	
		});
		
		cancel.addActionListener(new ActionListener(){
			public void actionPerformed(ActionEvent e){
				cancelButtonAction();
			}
		});
	}
	
	public void sendButtonAction(){
		if(to.getText().equals("")||from.getText().equals("")||mailhost.getText().equals("")||subject.getText().equals("")||text.getText().equals("")||username.getText().equals("")||password.getText().equals("")){
			JOptionPane.showConfirmDialog(buttonPanel,"不能为空的请填写","警告",JOptionPane.DEFAULT_OPTION,JOptionPane.WARNING_MESSAGE);
		}else{
			email=new Email(to.getText(),from.getText(),cc.getText(),bcc.getText(),mailhost.getText(),subject.getText(),text.getText(),attachment.getText(),username.getText(),password.getText());
			email.send();
			BufferedReader bf=new BufferedReader(new InputStreamReader(System.in));
			BufferedWriter bw=new BufferedWriter(new PrintWriter(System.err));
			
			console.append(System.out.toString());
		}
		
	}
	public void cancelButtonAction(){
		receiveMail=new ReceiveMail(mailhost.getText(),username.getText(),password.getText());
		try {
			Message[] message=receiveMail.receive();
			for(int i=0;i<message.length;i++){
				console.append(message[i].getSubject());
				console.append("\n");
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
		
	}
	public static void main(String[]args){
		java.awt.EventQueue.invokeLater(new Runnable(){
			public void run(){
				new MainUI().setVisible(true);
			}
		});
	}

}