myBatis入门例证

myBatis入门例子
1，本文采用的Mybatis框架版本为： mybatis-3.0.4.jar
2， 以持久化一个简单的User bean为例
User实体类的代码如下：

MyBatis的配置文件这里取名为mybatis-config.xml其配置代码如下(相当与Hibernate的hibernate.cfg.xml):


加载配置文件得到sqlSessionFactory的工具类
package TestMapper; import org.apache.ibatis.session.SqlSession; import org.apache.ibatis.session.SqlSessionFactory; import org.junit.Test;  public class TestMapper {     static SqlSessionFactory sqlSessionFactory = null;     static {        sqlSessionFactory = MyBatisUtil.getSqlSessionFactory();     }      @Test     public void testAdd() {        SqlSession sqlSession = sqlSessionFactory.openSession();        try {            UserMapper userMapper = sqlSession.getMapper(UserMapper.class);            User user = new User("tom",new Integer(5));            userMapper.insertUser(user);            sqlSession.commit();//这里一定要提交，不然数据进不去数据库中        } finally {            sqlSession.close();        }     }      @Test     public void getUser() {        SqlSession sqlSession = sqlSessionFactory.openSession();        try {            UserMapper userMapper = sqlSession.getMapper(UserMapper.class);            User user = userMapper.getUser("jun");            System.out.println("name: "+user.getName()+"|age: "+user.getAge());        } finally {            sqlSession.close();        }     }  }








    1 楼    heyangfeng    2011-05-18              大哥，问下，加入了dtd文件，不能提示，是啥原因？