1.mapper配置
<delete id="deleteUserById" parameterType="int">
delete from user where
id=#{id}
</delete>
2.java代码
@Test
public void testDeleteUserById() {
// 4. 创建SqlSession对象
SqlSession sqlSession = sqlSessionFactory.openSession();
// 5. 执行SqlSession对象执行删除
sqlSession.delete("deleteUserById", 48);
// 需要进行事务提交
sqlSession.commit();
// 7. 释放资源
sqlSession.close();
}