摘要: 先创建一个Dao层接口: public interface UserDao { public void daoMethod(); } 根据Dao层接口创建2个实现类: public class UserDaoImpl implements UserDao { @Override public voi 阅读全文
posted @ 2022-10-13 13:57 云端跑男 阅读(42) 评论(0) 推荐(0)