public void save(Login login,String loginPath,String description) throws IOException{ InputStream in=this.getClass().getResourceAsStream(loginPath); byte[] buff=new byte[in.available()]; in.read(buff); in.close(); //字节数组转换为Blob对象 login.setImage(Hibernate.createBlob(buff)); //转换为clob对象 login.setDescription(Hibernate.createClob(description)); session=HibernateUtil.getSessionFactory().getCurrentSession(); session.beginTransaction(); session.save(login); session.getTransaction().commit(); } public void get(int id,String targetPath) throws SQLException, IOException{ session=HibernateUtil.getSessionFactory().getCurrentSession(); session.beginTransaction(); Login login=(Login) session.get(Login.class, id); session.getTransaction().commit(); //读取Clob内容 Clob description=login.getDescription(); Reader r=description.getCharacterStream(); BufferedReader br=new BufferedReader(r); String desc=null; do { desc=br.readLine(); if(desc==null) break; System.out.println(desc); } while (desc!=null); br.close(); r.close(); //Blob getBinaryStream() InputStream in=login.getImage().getBinaryStream(); FileOutputStream out=new FileOutputStream(targetPath); byte[] buff=new byte[1024]; while(in.read(buff)!=-1){ out.write(buff); } out.close(); in.close(); }
blob存取图片 clob存取大字符串
Blob 二进制大对象 Clob字符串大对象
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转载自wdyr123.iteye.com/blog/1682057
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