何扒复制public class MybatisApplication {      publicstatic final String URL = "jdbc:mysql://localhost:3306/mblog";      publicstatic final String USER = "root";      publicstatic final String PASSWORD = "123456";      publicstatic void main(String[] args) {          String resource = "mybatis-config.xml";          InputStream inputStream = null;          SqlSession sqlSession = null;          try {              inputStream = Resources.getResourceAsStream(resource);              SqlSessionFactory sqlSessionFactory = new SqlSessionFactoryBuilder().build(inputStream);              sqlSession = sqlSessionFactory.openSession();              UserMapper userMapper = sqlSession.getMapper(UserMapper.class);              System.out.println(userMapper.selectById(1));          } catch (Exception e) {              e.printStackTrace();          } finally {              try {                  inputStream.close();              } catch (IOException e) {                  e.printStackTrace();              }              sqlSession.close();          }      }  1.2.3.4.5.6.7.8.9.10.11.12.13.14.15.16.17.18.19.20.21.22.23.24.25.26.27.