@Data
public class User {
@Id
@KeySql(useGeneratedKeys = true)
private Long id;
private String username;
private String password;
}
4.配置mapper
1.创建usermapper类
public interface UserMapper extends Mapper<User> {}
2.在启动类中添加@MapperScan(包路径)注解
5.配置service
@Service
public class UserService {
@Autowired
private UserMapper userMapper;
public List<User> getUsers(){
return userMapper.selectAll();
}
}
5.配置controller
@RestController
public class UserController {
@Autowired
private UserService userService;
@GetMapping("user")
public List<User> getUser(){
return userService.getUsers();
}
}
最后配置一下user.sql
/*
SQLyog Professional v8.32
MySQL - 5.5.28 : Database - test
*********************************************************************
*/
/*!40101 SET NAMES utf8 */;
/*!40101 SET SQL_MODE=''*/;
/*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */;
/*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */;
/*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */;
/*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */;
CREATE DATABASE /*!32312 IF NOT EXISTS*/`test` /*!40100 DEFAULT CHARACTER SET utf8 */;
USE `test`;
/*Table structure for table `user` */
DROP TABLE IF EXISTS `user`;
CREATE TABLE `user` (
`id` bigint(20) NOT NULL AUTO_INCREMENT,
`username` varchar(50) NOT NULL,
`password` varchar(50) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8;
/*Data for the table `user` */
insert into `user`(`id`,`username`,`password`) values (2,'小红','111');
/*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
/*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
/*!40014 SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS */;
/*!40111 SET SQL_NOTES=@OLD_SQL_NOTES */;