mybatis学习记录------3

<!--删除用户 
         根据ID删除用户
      -->
    <delete id="deleteUser" parameterType="java.lang.Integer">
        delete from user where id = #{id}
    </delete>

@Test
    public void deleteUserTest() throws IOException {
        //Mybatis配置文件
        String resource = "SqlMapConfig.xml";
        //得到配置文件流
        InputStream inputStream = Resources.getResourceAsStream(resource);
        //创建会话工厂,传入配置文件信息
        SqlSessionFactory sqlSessionFactory = new SqlSessionFactoryBuilder().build(inputStream);
        //通过工厂得到SqlSession会话
        SqlSession sqlSession = sqlSessionFactory.openSession();
        
        //删除id为30的用户
        sqlSession.delete("test.deleteUser",30);
        //提交
        sqlSession.commit();
        sqlSession.close();
    }

<!--更新用户 
    需要传入用户的id，用户的更新信息
    parameterType指定user对象，包括id和更新信息，id必须存在
    #{id}：从输入的user对象中获取id属性值
     -->
     <update id="updateUser" parameterType="pers.czs.mybatis.po.User">
         update user set username=#{username},birthday=#{birthday},sex=#{sex},address=#{address} where id=#{id}
     </update>

@Test
    public void updateUserTest() throws IOException {
        //Mybatis配置文件
        String resource = "SqlMapConfig.xml";
        //得到配置文件流
        InputStream inputStream = Resources.getResourceAsStream(resource);
        //创建会话工厂,传入配置文件信息
        SqlSessionFactory sqlSessionFactory = new SqlSessionFactoryBuilder().build(inputStream);
        //通过工厂得到SqlSession会话
        SqlSession sqlSession = sqlSessionFactory.openSession();
        
        User user = new User();
        //id必须设置
        user.setId(29);
        user.setAddress("福建福州");
        user.setBirthday(new Date());
        user.setSex("男");
        user.setUsername("零零八");
        
        sqlSession.update("test.updateUser", user);
        
        //提交
        sqlSession.commit();
        sqlSession.close();
    }