pop3frame.java

自己写的具有图形界面的SMTP和POP3邮件服务器端程序,实现邮件发送和收取,新建用户功能,用最基本的语句描述了邮件服务器端与客户端之间的通信过程

package cstest;

import java.awt.Panel;
import java.awt.ScrollPane;
import java.awt.Menu;
import java.awt.MenuBar;
import java.awt.MenuItem;
import java.awt.Dimension;
import java.awt.Frame;
import java.awt.BorderLayout;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JFrame;
import javax.swing.JTable;
import javax.swing.JTextArea;

public class Pop3Frame extends JFrame
{
     // private static Pop3Server pop;
      private ServerTable tt=new ServerTable();
      private Panel panel;
      private ScrollPane scrollpane;
      private ScrollPane scrollpane2;
      private JTable table;
      private MenuBar menubar;
      private Menu    menu;
      private Menu    menu2;
      private MenuItem menuitem;
      private MenuItem menuitem2;
      private MenuItem menuitem3;
      private MenuItem menuitem4;
      private MenuItem menuitem5;
      static JTextArea textarea;

      public Pop3Frame()
      {
            panel=new Panel();
            scrollpane=new ScrollPane();
            menubar=new MenuBar();
            menu=new Menu("System");
            menu2=new Menu("User");
            menuitem=new MenuItem("Server Start");

            menuitem.addActionListener(new ActionListener() {
                       public void actionPerformed(ActionEvent e) {

                       }
                 });

            menuitem2=new MenuItem("Server Stop");
            menuitem3=new MenuItem("New User");
            menuitem4=new MenuItem("Delete User");
            menuitem5=new MenuItem("Exit");
            menuitem5.addActionListener(new ActionListener() {
                            public void actionPerformed(ActionEvent e) {
                                  stopServer();
                            }
                      });
            menu.add(menuitem);
            menu.add(menuitem2);
            menu.add(menuitem5);
            menu2.add(menuitem3);
            menu2.add(menuitem4);
            menubar.add(menu);
            //menubar.add(menu2);
            textarea=new JTextArea();
            textarea.setRows(20);
            textarea.setLineWrap(true);
            textarea.setEditable(false);

            Frame f=new Frame();
            f.setTitle("Pop3 Server v0.1");
            f.setLayout(new BorderLayout());
            scrollpane.setSize(400,200);
            scrollpane.add(textarea);
            f.setMenuBar(menubar);
            f.add("Center",tt);
            f.add("South",scrollpane);
            f.setSize(500,340);

            Dimension screenSize=Toolkit.getDefaultToolkit().getScreenSize();
            Dimension frameSize=f.getSize();
            if(frameSize.height>screenSize.height)
            {
                  frameSize.height=screenSize.height;
            }
            if(frameSize.width>screenSize.width)
            {
                  frameSize.width=screenSize.width;
            }
            f.setLocation(
                    (screenSize.width-frameSize.width)/2,
                    (screenSize.height-frameSize.height)/2);


            f.setVisible(true);
           }

           public static void main(String args[])
  {
        Pop3Frame sf=new Pop3Frame();
        Pop3Server pop3=new Pop3Server();
        pop3.run();

  }


           public void startServer()
           {
           }

           public void stopServer()
           {
                 System.exit(0);
           }

}