Mybatis执行过程

mybatis执行过程

1、加载配置文件
InputStream inputStream = Resources.getResourseAsStream(“mybatis-confnig.xml”);
2、创建SqlSessionFactoryBuilder
SqlSessionFactoryBuilder sqlSessionFactoryBuilder = new SqlSessionFactoryBuilder();
3、创建SqlSessionFactory
SqlSessionFactory sqlSessionFactory = sqlSessionFactoryBuilder.build(inputStream);
4、创建SqlSession
SqlSession sqlSession = sqlSessionFactory.openSession();
5、得到代理对象
ItemMapper itemMapper = sqlSession.getMapper(itemMapper.class);
6、得到结果集
List< Item> item = itemMapper.selectByExanple();