自用

@RestController
@RequestMapping("/user")
public class UserController {
    @Autowired
    private UserService userService;

    @RequestMapping("/findUser")
    public User findUser(){
        return userService.findUser();
    }

    @RequestMapping("/findUserById")
    public User findUserById(int userId){

        User user = userService.findUserById(userId);
        System.out.println("123123123123123"+user.getUserName());
        return user;
    }

    @RequestMapping("/addUser")
    public int addUser(User user){
        System.out.println("12312312312312312312"+user.getUserName());
         return userService.addUser(user);
    }
    @RequestMapping("/updateUser")
    public int updateUser(User user){

        return  userService.updateUser(user);
    }

    @RequestMapping("/deleteUser")
    public int deleteUser(int userId){
        return userService.deleteUser(userId);
    }

}

public interface UserDao {
    @Select("select * from user where userId = '1'")
    User findUser();
    @Select("select * from user where userId=#{userId}")
    User findUserById(int userId);
    @Insert("insert into user values(default,#{userName},#{userPassWord},#{userPhone})")
    int addUser(User user);
    @Update("update user set userName=#{userName},userPassWord=#{userPassWord},userPhone=#{userPhone} where userId=#{userId} ")
    int updateUser(User user);
    @Delete("delete from user where userId=#{userId}")
    int deleteUser(int userId);
}