mybaits 1

默认全局配置文件
mybatis-config.xml

将sql映射文件注册到全局配置文件

<mappers>
	<mapper resource="EmployeeBeanMapper.xml" />
</mappers>

1、读取配置文件，生成SqlSessionFactory

public SqlSessionFactory getSqlSessionFactory() throws IOException {
	String resource = "mybatis-config.xml";
	InputStream inputStream = Resources.getResourceAsStream(resource);
	return new SqlSessionFactoryBuilder().build(inputStream);
}

2、获取sqlSession实例，能直接执行已经映射的sql语句

SqlSessionFactory sqlSessionFactory = getSqlSessionFactory();

	SqlSession openSession = sqlSessionFactory.openSession();