基于SMTP协议的模拟邮件系统（java代码实现）

package MailAssistant; import MailAssistant.Entity.User; import javax.mail.Message; import javax.swing.*; import javax.swing.table.DefaultTableModel; import java.awt.*; import java.awt.event.*; public class MailFrame extends JFrame { private JPanel contentPane; private final JButton SendButton = new JButton("发送"); private final JButton InboxButton = new JButton("收件箱"); private int number; private final JTable table = new JTable(); int xOld = 0; int yOld = 0; private final JLabel Receiverlabel = new JLabel("收件人"); private final JTextField ReceivertextField = new JTextField(); private final JLabel Subjectlabel = new JLabel("主题"); private final JTextField SubjecttextField = new JTextField(); private final JLabel Contentlabel = new JLabel("邮件内容"); private final JTextArea ContenttextField = new JTextArea(); private final JScrollPane scrollPane = new JScrollPane(); private final JLabel lblAbc = new JLabel(""); private final JLabel lblNewLabel_1 = new JLabel(""); private final JLabel lblNewLabel_2 = new JLabel(""); private final JLabel lblNewLabel_3 = new JLabel(""); private final JLabel lblNewLabel_4 = new JLabel(""); private final JSplitPane splitPane = new JSplitPane(); private String mailAccount; private String authorizePassword; private String ReceiverAccount; private String Subject; private String Content; private User user; //背景图片bgImage private ImageIcon bgImage = new ImageIcon("res/Mail.jpg"); public static void main(String[] args) { EventQueue.invokeLater(new Runnable() { public void run() { try { MailFrame frame = new MailFrame(null); frame.setVisible(true); //frame.fillTable(frame.table, 2); frame.button(frame); frame.Inboxbutton(frame); //frame.setSize(700, 450); //frame.setLocation(300, 100); } catch (Exception e) { e.printStackTrace(); } } }); } public JButton getbutton() { return SendButton; } public JButton getInboxButton() { return InboxButton; } public void button(MailFrame a) { JButton button = new JButton(); button = a.getbutton(); button.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { ReceiverAccount = ReceivertextField.getText(); Subject = SubjecttextField.getText(); Content = ContenttextField.getText(); if (ReceiverAccount.equals("") || Content.equals("")) { System.out.println("信息输入不完整！"); } boolean results = SendMail.sendMail(ReceiverAccount, Subject, Content, ""); if (results){ JOptionPane.showMessageDialog(new JLabel(), "邮件发送成功！", "提示",JOptionPane.WARNING_MESSAGE); ReceivertextField.setText(""); SubjecttextField.setText(""); ContenttextField.setText(""); } } }); } public void Inboxbutton(MailFrame a) { JButton button = new JButton(); button = a.getInboxButton(); button.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { Message[] messages = ReceiveMail.getAllMails(); if (messages !=null){ a.setVisible(false); JOptionPane.showMessageDialog(new JLabel(), "所有邮件获取成功", "提示",JOptionPane.WARNING_MESSAGE); ReceivesFrame receivesFrame = new ReceivesFrame(messages); receivesFrame.Inboxbutton(receivesFrame); receivesFrame.setVisible(true); } } }); } public void fillTable(JTable table, int num) { try { String[] column = {"Packet", "版本号", "标识"}; DefaultTableModel defaultTableModel = new DefaultTableModel(column, 0) { public boolean isCellEditable(int row, int column) { return false;//重写isCellEditable类使整个表格不允许被编辑 } }; int j = 0; while (j < num) { int id = j + 1; String version = "IPv4"; // int ident = packets[j].getIdent(); // Object[] str_row = {id, version, ident}; // defaultTableModel.addRow(str_row); j++; } table.setModel(defaultTableModel); } catch (Exception e) { JOptionPane.showMessageDialog(null, "加载不成功！"); } } public void uninum() { mailAccount = ""; authorizePassword = ""; } public MailFrame(User user) { this.user = user; // uninum(); getContentPane().setLayout(null); this.setLocationRelativeTo(null); bgImage.setImageObserver(null); this.setSize((bgImage).getIconWidth(), bgImage.getIconHeight()); //处理拖动事件---去掉默认边框后，不能拖动了，具体实现如下 this.addMouseListener(new MouseAdapter() { @Override public void mousePressed(MouseEvent e) { xOld = e.getX();//记录鼠标按下时的坐标 yOld = e.getY(); } }); this.addMouseMotionListener(new MouseMotionAdapter() { @Override public void mouseDragged(MouseEvent e) { int xOnScreen = e.getXOnScreen(); int yOnScreen = e.getYOnScreen(); int xx = xOnScreen - xOld; int yy = yOnScreen - yOld; MailFrame.this.setLocation(xx, yy);//设置拖拽后，窗口的位置 } }); JLayeredPane layeredPane = new JLayeredPane(); layeredPane.setSize(bgImage.getIconWidth(), bgImage.getIconHeight()); getContentPane().add(layeredPane); //背景图层Panel,充当容器---最底层 JPanel bgPanel = new JPanel(); bgPanel.setLocation(0, 0); bgPanel.setSize(bgImage.getIconWidth(), bgImage.getIconHeight()); layeredPane.add(bgPanel, JLayeredPane.DEFAULT_LAYER);//放在最底层 //背景图片，添加到背景图层Panel里面 JLabel bgLabel = new JLabel(bgImage); bgPanel.add(bgLabel); //主界面，也就是背景上面的一层Panel，可用于添加控件 contentPane = new JPanel(); contentPane.setLocation(0, 0); contentPane.setSize(700, 450); contentPane.setLayout(null); contentPane.setOpaque(false); layeredPane.add(contentPane, JLayeredPane.MODAL_LAYER);//放在较高一层 //关闭按钮 JButton closeButton = new JButton(); //closeButton.setIcon(new ImageIcon("src/images/closebtn.png")); closeButton.setSize(30, 30); contentPane.add(closeButton); JLabel lblNewLabel = new JLabel("基于SMTP协议的模拟邮件系统"); lblNewLabel.setFont(new Font("楷体", Font.PLAIN, 26)); lblNewLabel.setForeground(new Color(0, 0, 128)); lblNewLabel.setBounds(250, 0, 520, 50); contentPane.add(lblNewLabel); JLabel userLabel = new JLabel("欢迎你 --" + user.getUser_name()); userLabel.setFont(new Font("楷体", Font.PLAIN, 20));