怎样将Blob数据(图片,二进制数据),通过hibernate存储到oracle中,并且取出二进制对象.

Question

http://dev2dev.bea.com.cn/bbs/thread.jspa?forumID=123&threadID=9923&messageID=50709#50709楼主可以看一下这个.

Answer 1

重要的是用Hibernate进行处理,Blob怎么能与BLOB之间进行转换??能有具体代码吗?

Answer 2

public void saveAttachment(final Attachment attachment,
            final InputStream input)
    {
        final HibernateTemplate hibert = getHibernateTemplate();
         hibert.execute(new HibernateCallback()
        {
            public Object doInHibernate(Session session)
                    throws HibernateException
            {
                //  attachment.setFile(Hibernate.createBlob(new byte[0]));
                //  session.save(attachment);
                //   session.flush();                //     session.refresh(attachment, LockMode.UPGRADE);
                try
                {
                    if (input != null)
                    {
                        attachment.setFile(Hibernate.createBlob(input));
                    }
                }
                catch (IOException e)
                {
                    throw new DataAccessResourceFailureException(
                            "error occurs when save attachment", e);
                }
                return session.save(attachment);            }
        });
这段代码是往数据库里放附件一段代码，并且它是与spring结合的hibernate操作实现，参考一下吧
    }