mailsendui.java

自己编写的邮件管理系统程序源代码,方便管理自己的邮件

package mail.ui;

import java.awt.Color;
import java.awt.FileDialog;
import java.awt.Rectangle;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.io.File;
import java.util.LinkedList;

import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import javax.swing.UIManager;

import mail.control.send.EmailSend;
import mail.message.MailMessage;

public class MailSendUI extends JFrame implements ActionListener, ItemListener
{
    JLabel labDestination = new JLabel();

    JTextField tfDest = new JTextField();

    JTextField tfCopySend = new JTextField();

    JLabel labCopySend = new JLabel();

    JTextField tfSubject = new JTextField();

    JLabel labSubject = new JLabel();

    JTextArea taMail = new JTextArea();

    JScrollPane jspMail = new JScrollPane(taMail);

    JButton bAttach = new JButton();

    JPanel listAttach = new JPanel();

    JScrollPane jspAttach = new JScrollPane(listAttach);

    JButton bSend = new JButton();

    JButton bCancel = new JButton();

    private int attachSize = 0;

    /**
     * 邮件客户端
     */
    private MailClientUI mailClient;

    private MailMessage nowMailItem = null;

    public MailSendUI(MailClientUI mailClient)
    {
        initUI();
        this.mailClient = mailClient;
    }

    private void initUI()
    {
        this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        JFrame.setDefaultLookAndFeelDecorated(true);
        labDestination.setBorder(BorderFactory.createLineBorder(Color.black));
        labDestination.setToolTipText("");
        labDestination.setText("        收信人地址");
        labDestination.setBounds(new Rectangle(28, 32, 100, 28));
        this.getContentPane().setLayout(null);
        tfDest.setBorder(BorderFactory.createLineBorder(Color.black));
        tfDest.setBounds(new Rectangle(136, 32, 440, 28));
        tfCopySend.setBorder(BorderFactory.createLineBorder(Color.black));
        tfCopySend.setBounds(new Rectangle(136, 74, 440, 28));
        labCopySend.setBounds(new Rectangle(28, 74, 100, 28));
        labCopySend.setBorder(BorderFactory.createLineBorder(Color.black));
        labCopySend.setText("            抄送");
        tfSubject.setBorder(BorderFactory.createLineBorder(Color.black));
        tfSubject.setBounds(new Rectangle(136, 113, 440, 28));
        labSubject.setBounds(new Rectangle(28, 113, 100, 28));
        labSubject.setBorder(BorderFactory.createLineBorder(Color.black));
        labSubject.setText("            主题");
        taMail.setBounds(new Rectangle(25, 249, 560, 247));
        jspMail.setBounds(new Rectangle(25, 249, 560, 247));
        jspMail.setBorder(BorderFactory.createLineBorder(Color.black));
        bAttach.setBorder(BorderFactory.createLineBorder(Color.black));
        bAttach.setText("添加附件");
        bAttach.setBounds(new Rectangle(486, 181, 85, 32));
        jspAttach.setBorder(BorderFactory.createLineBorder(Color.black));
        listAttach.setBounds(new Rectangle(27, 159, 448, 80));
        jspAttach.setBounds(new Rectangle(27, 159, 448, 80));
        bSend.setBackground(UIManager.getColor("ComboBox.selectionForeground"));
        bSend.setBorder(BorderFactory.createLineBorder(Color.black));
        bSend.setText("发送");
        bSend.setBounds(new Rectangle(177, 506, 95, 38));
        bCancel.setBounds(new Rectangle(324, 506, 95, 38));
        bCancel.setBackground(UIManager
                .getColor("ComboBox.selectionForeground"));
        bCancel.setBorder(BorderFactory.createLineBorder(Color.black));
        bCancel.setText("放弃");
        this.getContentPane().setBackground(Color.lightGray);
        this.setResizable(false);
        this.getContentPane().add(tfDest, null);
        this.getContentPane().add(jspAttach, null);
        this.getContentPane().add(jspMail, null);
        this.getContentPane().add(bAttach, null);
        this.getContentPane().add(bSend, null);
        this.getContentPane().add(bCancel, null);
        this.getContentPane().add(labDestination, null);
        this.getContentPane().add(tfCopySend, null);
        this.getContentPane().add(labCopySend, null);
        this.getContentPane().add(tfSubject, null);
        this.getContentPane().add(labSubject, null);

        listAttach.setLayout(null);

        this.bAttach.addActionListener(this);
        this.bCancel.addActionListener(this);
        this.bSend.addActionListener(this);

        this.setSize(620, 580);
        this.setLocation(100, 5);
        this.setTitle("发送邮件窗口");
    }

    public static void main(String[] args)
    {
        new MailSendUI(new MailClientUI()).setVisible(true);
    }

    public void actionPerformed(ActionEvent e)
    {

        if (e.getSource().equals(this.bAttach))
        {
            addAttach();
        } else if (e.getSource().equals(this.bCancel))
        {
            cancel();
        } else if (e.getSource().equals(this.bSend))
        {
            send();
        }
    }

    public void newMail()
    {
        this.tfCopySend.setText("");
        this.tfDest.setText("");
        this.tfSubject.setText("");
        this.taMail.setText("");

        this.setVisible(true);
        this.attachSize = 0;
        this.tfDest.setFocusable(true);
    }

    /**
     * 添加附件
     */
    private void addAttach()
    {
        if (attachSize == 4)
        {
            JOptionPane.showMessageDialog(this, "您最多只能设置4个附件");
            return;
        }
        FileDialog fd = new FileDialog(this, "打开文件", FileDialog.LOAD);
        fd.setVisible(true);

        if ((fd.getDirectory() != null) && (fd.getFile() != null))
        {
            try
            {

                File file1 = new File(fd.getDirectory(), fd.getFile());
                JCheckBox jcb = new JCheckBox(file1.toString());

                jcb.setBounds(new Rectangle(20, attachSize * 18, 400, 18));
                jcb.setSelected(true);
                jcb.addItemListener(this);
                listAttach.add(jcb, null);
                attachSize++;
            } catch (Exception e)
            {
                e.printStackTrace();
            }
        }
        fd = null;
    }

    /**
     * 发送邮件
     */
    private void send()
    {
        if (checkSendMail() == 1)
        {
            sendEmail();
        }
    }

    /**
     * 发送邮件代码实现
     */
    private void sendEmail()
    {
        try
        {
            EmailSend emailSend = new EmailSend();
            emailSend.setFrom(mailClient.getEmailName());
            emailSend.setTo(this.tfDest.getText());
            emailSend.setCc(this.tfCopySend.getText());
            emailSend.setSubject(this.tfSubject.getText());
            emailSend.setContent(this.taMail.getText());
            int endIndex = mailClient.getEmailName().indexOf("@");
            emailSend.setUser(mailClient.getEmailName().substring(0, endIndex));
            emailSend.setPassword(mailClient.getEmailPsw());
            emailSend.setMailhost(mailClient.getSmtpServer());

            emailSend.prepareSend();

            for (int i = 0; i < attachSize; i++)
            {
                JCheckBox jcb = (JCheckBox) listAttach.getComponent(i);
                emailSend.addAttach(jcb.getText());
            }
            emailSend.send();
            info("目的地址为" + tfDest.getText() + "的邮件已被成功发送");
        } catch (Exception e)
        {
            error("目的地址为" + tfDest.getText() + "的邮件发送失败，错误原因如下："
                    + e.getMessage());
            e.printStackTrace();
        }
    }

    /**
     * 转发邮件
     * 
     * @param item
     */
    public void TSendMailMessage(MailMessage item)
    {
        nowMailItem = item;
        tfDest.setText("");
        tfSubject.setText(item.getSubject());
        taMail.setText(item.getContent());

        attachSize = 0;
        listAttach.removeAll();

        LinkedList list = item.getAttachList();
        if (item.isFlag() == true && list != null)
        {
            for (int i = 0; i < list.size(); i++)
            {
                File nowdir = new File(".").getAbsoluteFile();
                String dirString = nowdir.toString();
                String subs = dirString.substring(0, dirString.length() - 1);
                File tempDir = new File(subs + "info/enclosure/");
                File filename = new File(tempDir, (String) list.get(i));

                JCheckBox jcb = new JCheckBox(filename.toString());
                jcb.setBounds(new Rectangle(20, attachSize * 18, 400, 18));
                jcb.setSelected(true);
                jcb.addItemListener(this);
                listAttach.add(jcb, null);
                attachSize++;
            }
        }
        listAttach.updateUI();

        this.setVisible(true);
    }

    /**
     * 回复邮件
     * 
     * @param item
     */
    public void replyMailMessage(MailMessage item)
    {
        nowMailItem = item;
        attachSize = 0;
        listAttach.removeAll();

        this.tfDest.setText(item.getFrom());
        this.tfSubject.setText("回复：" + item.getSubject());
        this.taMail.setText("\r\n\r\n\r\n您在给我的信中写到：\r\n" + item.getContent());

        this.taMail.setFocusable(true);
        this.setVisible(true);
    }

    /**
     * 检查设置
     */
    private int checkSendMail()
    {
        if (this.tfDest.getText().trim().equals(""))
        {
            error("发送邮件错误：您必须输入收信人地址");
            return 0;
        }
        if (this.tfDest.getText().trim().indexOf("@") < 0)
        {
            error("发送邮件错误：您必须输入正确的收信人地址");
            return 0;
        }
        if (this.taMail.getText().trim().equals(""))
        {
            error("发送邮件错误：您必须输入邮件正文信息");
            return 0;
        }
        return 1;
    }

    /**
     * 显示信息
     * 
     * @param errorInfo
     */
    private synchronized void info(String info)
    {
        mailClient.log(info);
        JOptionPane.showMessageDialog(this, info);
    }

    /**
     * 显示错误信息
     * 
     * @param errorInfo
     */
    private synchronized void error(String errorInfo)
    {
        mailClient.errorLog(errorInfo);
        JOptionPane.showMessageDialog(this, errorInfo);
    }

    public void itemStateChanged(ItemEvent e)
    {
        for (int i = 0; i < attachSize; i++)
        {
            JCheckBox jcb = (JCheckBox) listAttach.getComponent(i);
            if (jcb.isSelected() == false)
            {
                listAttach.remove(i);
                attachSize--;
                break;
            }
        }
        for (int i = 0; i < attachSize; i++)
        {
            JCheckBox jcb = (JCheckBox) listAttach.getComponent(i);
            jcb.setBounds(new Rectangle(20, i * 18, 400, 18));
        }
        listAttach.updateUI();
    }

    /**
     * 取消
     */
    private void cancel()
    {
        this.setVisible(false);
        mailClient.getReceiveUI().setVisible(true);
    }
}