recivemail.java

电子邮件收发系统,采用各种技术进行研究开发适用大学生课程设计

package net.meybo.mail.client;

import java.io.FileOutputStream;
import java.io.OutputStream;
import javax.mail.*;

import org.apache.commons.mail.HtmlEmail;
import org.apache.commons.mail.MultiPartEmail;

import com.easyjf.util.CommUtil;
public class ReciveMail implements Runnable {
  private String userName;
  private String password;  
  private String pop3Server;
  private String localDir;
  private boolean keepCopy;	
  public ReciveMail(String userName,String password,String pop3Server,String localDir)
  {
	  this(userName,password,pop3Server,localDir,false);
  }
  public ReciveMail(String userName,String password,String pop3Server,String localDir,boolean keepCopy)
  {
	  this.userName=userName;
	  this.password=password;
	  this.pop3Server=pop3Server;
	  this.localDir=localDir;
	  this.keepCopy=keepCopy;
  }
	public void run() {
		if(!userName.equals("") && !pop3Server.equals("") && !localDir.equals(""))
		{
			recive();
		}
		System.out.println("邮件接收完成！");
	}
	public void recive()
	{
		Session mailsession = Session.getInstance(System.getProperties(),null);
		mailsession.setDebug(false);
		try{
		Store store = mailsession.getStore("pop3"); // protocol为连接协议，IMAP或是POP
		store.connect(pop3Server,userName,password);
		Folder folder = store.getFolder("INBOX");
		try {
			folder.open(keepCopy?Folder.READ_ONLY:Folder.READ_WRITE);
		} catch (MessagingException ex) {
			System.out.println("接收邮件发生错误！");
		}
		Message message[] = folder.getMessages();		
		for (int j = 0; j <message.length; j++) {
			OutputStream out=new FileOutputStream(localDir+"/"+CommUtil.getOnlyID()+".eml");		
			//System.out.println(((MimeMessage)message[j]).getSubject());
			//System.out.println(((MimeMessage)message[j]).getSentDate());
		    message[j].writeTo(out);
		    //folder.delete()
			out.close();	
			if(!keepCopy)message[j].setFlag(Flags.Flag.DELETED,true);			
			}
		folder.close(keepCopy?false:true);
		store.close();
		}		
		catch(Exception e)
		{
			System.out.println(e);
		}	
	}
	
	/**
	 * @param args
	 */
	public static void main(String[] args) {
		Session mailsession = Session.getInstance(System.getProperties(),null);
		mailsession.setDebug(true);
		try{	    
			MultiPartEmail email=null;		
			email=new HtmlEmail();
			email.setDebug(true);
			email.setHostName("smtp.21cn.com");
			email.setAuthentication("[e-mail]","csy8315");
			email.setSubject("test");
			email.setCharset("gbk");
			email.setFrom("[e-mail]");
			email.addTo("[e-mail]");
			email.setMsg("邮件测试");
			email.send();
		//InputStream in=new FileInputStream("D:\\mail\\5.eml");
		//MultiPartEmail email=new MultiPartEmail();        
		//email.buildMimeMessage();
		//MimeMessage mail=new MimeMessage(mailsession,in);
		//ParseMimeMessage email=new ParseMimeMessage(mail);		
		//MimeUtility.decode()
		//String content=(String)mail.getContent();
		//System.out.println(new String(content.getBytes("iso8859-1"),"gbk"));		
		}		
		catch(Exception e)
		{
			System.out.println(e);
		}
		
	}

}