随笔分类 -  Spring

摘要:1.导入依赖 <!-- https://mvnrepository.com/artifact/org.springframework/spring-webmvc --> <dependency> <groupId>org.springframework</groupId> <artifactId>s 阅读全文
posted @ 2020-08-27 11:27 L小龙虾 阅读(115) 评论(0) 推荐(0)
摘要:如果要调用UserDaoMysqlImpl接口实现类,那么需要在UserServiceImpl这个业务接口实现类,改变**private UserDao userDao= new UserDaoImpl();**这句代码为private UserDao userDao= new UserDaoMys 阅读全文
posted @ 2020-08-26 12:24 L小龙虾 阅读(133) 评论(0) 推荐(0)