插入和查询图片

@Test

    public void testInsertStudent(){

        logger.info("Ìí¼ÓѧÉú");

        Student student=new Student();

        student.setName("ÕÅÈý4");

        student.setAge(14);

        student.setRemark("ºÜ³¤µÄ±¾ÎÄ...");

        byte []pic=null;

        try{

            File file=new File("c://boy.jpg");

            InputStream inputStream=new FileInputStream(file);

            pic=new byte[inputStream.available()];

            inputStream.read(pic);

            inputStream.close();

        }catch(Exception e){

            e.printStackTrace();

        }

        student.setPic(pic);

        studentMapper.insertStudent(student);

        sqlSession.commit();

    }

    @Test

    public void testGetStudentById(){

        logger.info("");

        Student student=studentMapper.getStudentById(4);

        System.out.println(student);

        byte []pic=student.getPic();

        try{

            File file=new File("d://boy2.jpg");

            OutputStream outputStream=new FileOutputStream(file);

            outputStream.write(pic);

            outputStream.close();

        }catch(Exception e){

            e.printStackTrace();

        }

    }