mailreader.java~101~

Mail Of Java

package mailofjava;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.util.*;

import javax.mail.*;
import javax.mail.internet.*;


public class MailReader extends JFrame {
  private BorderLayout borderLayout1 = new BorderLayout();
  private JPanel jp1=new JPanel(new BorderLayout());

  private JPanel jpup=new JPanel(new GridLayout(5,2));
  private JPanel jpdown=new JPanel(new BorderLayout());

  private JButton[] labelAttach=new JButton[20];


  private JPanel jp2=new JPanel(new FlowLayout());
  private JButton buttonExit= new JButton("退出");
  private JButton buttonAbout= new JButton("关于作者");
  private JButton buttonNext=new JButton("下一邮件");
  private JButton buttonPrevious=new JButton("上一邮件");

  private int totalMail;
  private int currentMail;
  private int attachCount;

  private JTextField textSubject=new JTextField("这里是mail subject");
  private JLabel labelSubject=new JLabel("邮件标题");

  private JTextField textFrom=new JTextField("这里是mail 来源");
  private JLabel labelFrom=new JLabel("发件人");

  private JTextField textTo=new JTextField("这里是mail 目的");
  private JLabel labelTo=new JLabel("收件人");

  private JTextField textDate=new JTextField("这里是mail 的日期");
  private JLabel labelDate=new JLabel("日期");

  private JTextArea jta=new JTextArea();;

  private JScrollPane jsp=new JScrollPane();
  private Message msg[];

   private String body;

  public MailReader() {
    try {
      CreateMessage cm=new CreateMessage();
      msg=cm.getMessage() ;//取得邮件服务器消息
      this.totalMail = msg.length ;//总邮件数
      this.currentMail = 0; //第0封
      this.attachCount =0;//附件个数

      LayoutPrepare();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  public static void main(String[] args) {
    MailReader mailReader = new MailReader();
    mailReader.setSize(1000,600);
    mailReader.setVisible(true);
    mailReader.show();

  }
/** 准备进行布局设定和listener设定*/

  private void LayoutPrepare() throws Exception {
  try{
   this.setMailMessager(0) ;

  } catch(Exception e){System.out.println("err");};

    buttonExit.addActionListener(
        new ActionListener(){
         public void actionPerformed (ActionEvent ae){
           System.exit(0);
         };


        }    );


      buttonAbout.addActionListener(
            new ActionListener(){
             public void actionPerformed (ActionEvent ae){
                  JOptionPane.showMessageDialog(null,"java高级教程mail篇 svc 曾海");
             };


        }    );
        buttonNext.addActionListener(
                  new ActionListener(){
                   public void actionPerformed (ActionEvent ae){
                  //下一个邮件
                     System.out.println("currentmail/total"+currentMail+"/"+totalMail);
                     if( (currentMail+1) < totalMail){
                       currentMail++;
                        setMailMessager(currentMail);
                        jp2.validate();
                     }
                     else
                      JOptionPane.showMessageDialog(null,"对不起，已经没得邮件也！");

                  };//func
        }    );

  buttonPrevious.addActionListener(
                  new ActionListener(){
                  public void actionPerformed (ActionEvent ae){
                       //上一个邮件
                      System.out.println("currentmail/total"+currentMail+"/"+totalMail);
                           if( (currentMail-1) >=0){
                              currentMail--;
                              setMailMessager(currentMail);
                              jp2.repaint() ;//强制
                              }
                               else
                            JOptionPane.showMessageDialog(null,"对不起，已经是头一个邮件！");

                            };//func
        }    );



   jpup.add(labelSubject);
   jpup.add(textSubject);
   jpup.add(labelFrom);
   jpup.add(textFrom);
   jpup.add(labelTo);
   jpup.add(textTo);
   jpup.add(labelDate);
   jpup.add(textDate);

   jp1.add(jpup,BorderLayout.NORTH);

   //jsp.getViewport().add(jta);//加rollbar
   //jsp.setSize(100,100) ;
   jpdown.add(jta,BorderLayout.CENTER );

    //jpdown.add(jsp,BorderLayout.CENTER );
    jsp.getViewport().add(jpdown);

    jp1.add(jsp,BorderLayout.CENTER );


    jp1.setBackground(java.awt.Color.darkGray );
    jp2.setBackground(java.awt.Color.blue );

    jp2.add(buttonExit);
    jp2.add(buttonAbout);
    jp2.add(buttonNext);
    jp2.add(buttonPrevious);



    this.setTitle("欢迎使用Mirthrandir的邮件阅读程序！");
    this.getContentPane().setLayout(borderLayout1) ;
    this.getContentPane().add(jp1,BorderLayout.NORTH );
    this.getContentPane().add(jp2,BorderLayout.SOUTH );
    }

  public void setMailMessager(int thisMail){
    //先清除上次的附件
    if(this.attachCount !=0){

      for(int i=0;i<attachCount;i++){
        jp2.remove(labelAttach[i]);
        labelAttach[i]=null;
      }//for
        jp2.repaint();
        jp2.validate();//key
    }



    attachCount=0;


    if(msg.length ==0){
      System.out.println("没有新邮件");
      System.exit(0);
    }

   try{
    textSubject.setText(  msg[thisMail].getSubject()) ;
    textDate.setText(msg[thisMail].getSentDate().toString()  );
    textFrom.setText(msg[thisMail].getFrom()[0].toString() ) ;//取第一个邮件地址
    textTo.setText(msg[thisMail].getRecipients(Message.RecipientType.TO)[0].toString()  ) ;

    Object obj = msg[thisMail].getContent() ;

   System.out.println("Mime类型"+msg[thisMail].getContentType() );

   if(msg[thisMail].isMimeType("multipart/*") ){
     System.out.println("多部份处理开始");
     Multipart mp= (Multipart) msg[thisMail].getContent() ;
     body="";
       for(int i=0;i<mp.getCount() ;i++){
         Part part= mp.getBodyPart(i) ;
        System.out.println("分部类型" +part.getContentType());

        if(part.isMimeType("text/plain") )
          body=body+(String) part.getContent() ;

        String disposition= part.getDisposition() ;
        if(disposition!=null  &&
           (disposition.equals(Part.ATTACHMENT) || disposition.equals(Part.INLINE )))
        {
          labelAttach[this.attachCount]= new JButton("本文的附件:"+part.getFileName() );
          labelAttach[this.attachCount].setForeground(java.awt.Color.yellow);
          labelAttach[this.attachCount].setBackground(java.awt.Color.blue);
          labelAttach[this.attachCount].setFont(new Font("宋体",Font.BOLD|Font.ITALIC,12 ));
          labelAttach[this.attachCount].addActionListener(
                    new ActionListener(){
                     public void actionPerformed (ActionEvent ae){
                              JOptionPane.showMessageDialog(null,"按了啊,可以存盘也！");

                    };//func
          }    );


          jp2.add(labelAttach[this.attachCount]);
          jp2.repaint() ;
          jp2.validate() ;

          this.attachCount ++;

          if(this.attachCount >=2)
             System.out.println("here");
        };//if


       // if(part.isMimeType("text/html") )
       //       body=body+(String) part.getContent() ;
       }//for


   }//如果是多部份的就。。

    jta.setText(body) ;


   }catch(Exception e){ e.printStackTrace() ;};

  }//method


}//class