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2020java框架教程之mybatis删除

<!-- 删除 -->
<delete id="deleteUsers" parameterType="int">
    delete from users where id=#{id}
</delete>

@Test
public void test12(){
    SqlSession sqlSession = MybatisUtils.getSqlSession();
    UsersDao mapper = sqlSession.getMapper(UsersDao.class);
    int i = mapper.deleteUsers(12);
    if(i>0) System.out.println("删除成功");
    else System.out.println("删除失败");
    sqlSession.commit();
    sqlSession.close();
}