BASE64Decoder转码

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import sun.misc.BASE64Decoder;

String mailconts;

List<MailContentEntity> MailContentEntityList=MailFactory.getMailContentRemote().findAll();
       System.out.println("MailContentEntityList"+MailContentEntityList.size());
       for(MailContentEntity mailContentEntity:MailContentEntityList){
           BASE64Decoder bs=new BASE64Decoder();
           mailContent = mailContentEntity.getMailContent();
           try {
               if(!StringUtils.isEmpty(mailContent)){
                   mailconts =new String(bs.decodeBuffer(mailContent));
                   byte[] data = mailconts.getBytes();
                   mailconts = new String(data,"UTF-8");
                   mailContentEntity.setMailContent(mailconts);
                   MailFactory.getMailContentRemote().saveEntity(mailContentEntity);
               } else {
                   mailconts = "";
                   mailContentEntity.setMailContent(mailconts);
                   MailFactory.getMailContentRemote().saveEntity(mailContentEntity);
               }
           } catch (Exception e) {
               // TODO Auto-generated catch block
               e.printStackTrace();
               //break;
           }

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