java 郵件操作

public  boolean sendMail(Map<String,String> senderInfo,String[] mail_to, String subject, String content)
    {
        try
        {
            // 獲取系統環境
            Properties props = new Properties(); 
            Authenticator auth = new Email_Autherticator(senderInfo.get("account"),senderInfo.get("password"));
            
            props.put("mail.smtp.host", senderInfo.get("smtp"));
            props.put("mail.smtp.auth", "true");
            Session session = Session.getDefaultInstance(props, auth);
            // 設置session,和郵件服務器進行通訊。
            MimeMessage message = new MimeMessage(session);
            
            // fileEncode 當前文件編碼，gb2312轉換的編碼
            // 獲取當前文件編碼
            String fileEncode = GetComputer.getPropertieByName("file.encoding");
            //content = new String(content.getBytes(fileEncode),"gb2312");
            //message.setContent(content, "text/html;charset=gb2312");
            message.setSubject(subject); // 設置郵件主題
            //message.setText(content); // 設置郵件正文
            message.setHeader("DropBox", "Authenticate"); // 設置郵件標題
            message.setSentDate(new Date()); // 設置郵件發送日期
            // 郵件地址，發件人name
            Address address = new InternetAddress(senderInfo.get("addr"), "MashupMail");
            message.setFrom(address); // 設置郵件發送者的地址
            
            // 設置郵件接收方的地址
            Address[] toAddress = new Address[mail_to.length]; 
            for(int i=0;i<mail_to.length;i++)
            {
                toAddress[i] = new InternetAddress(mail_to[i]);
            }
            
            // 設置要顯示的收件人
            message.setRecipients(Message.RecipientType.TO, toAddress);
            
            MimeMultipart mm = new MimeMultipart(); 
            
            this.setMMPWithImgSource(mm);
            // 這句很重要，千萬不要忘了
            mm.setSubType("related");
           
            // 新建一個存放信件內容的BodyPart對象
            BodyPart mdp = new MimeBodyPart(); 
            // 給BodyPart對象設置內容和格式/編碼方式
            mdp.setContent(content.toString(), "text/html;charset=GBK");
            
            mm.addBodyPart(mdp);
            
            message.setContent(mm);
            Transport.send(message,toAddress); // 發送郵件
            return true;
        }
        catch (Exception e)
        {
            e.printStackTrace();
        }
        return false;
    }

/** 
    * 用來進行服務器對用戶的認證 
    */  
   private class Email_Autherticator extends Authenticator  
   {  
       private String account;  
       private String password;  
       public Email_Autherticator(String account,String password)  
       {  
           super();  
           this.account = account;  
           this.password = password;  
       }  
         
       public PasswordAuthentication getPasswordAuthentication()  
       {  
           return new PasswordAuthentication(account,password);  
       }  
   }  
     
   /** 
    * 加入圖片資源 
    * @param mm 
    * @throws MessagingException 
    */  
   private void setMMPWithImgSource(MimeMultipart mm) throws MessagingException  
   {  
       String path = Constants.HUDSON_ROOT_PATH + "/images/sonarImgs/";  
       FileDataSource blocker_fds = new FileDataSource(path+"BLOCKER.png");  
       FileDataSource critical_fds = new FileDataSource(path+"CRITICAL.png");  
       FileDataSource info_fds = new FileDataSource(path+"INFO.png");  
       FileDataSource major_fds = new FileDataSource(path+"MAJOR.png");  
       FileDataSource minor_fds = new FileDataSource(path+"MINOR.png");  
         
       mm.addBodyPart(getMbp(blocker_fds, "BLOCKER"));  
       mm.addBodyPart(getMbp(critical_fds, "CRITICAL"));  
       mm.addBodyPart(getMbp(info_fds, "INFO"));  
       mm.addBodyPart(getMbp(major_fds, "MAJOR"));  
       mm.addBodyPart(getMbp(minor_fds, "MINOR"));         
   }  
     
   private MimeBodyPart getMbp(FileDataSource fds, String imgId) throws MessagingException  
   {  
       MimeBodyPart mbp = new MimeBodyPart();  
       mbp.setDataHandler(new DataHandler(fds));  
       mbp.setContentID(imgId);  
       return mbp;  
   }