MyBatis入门--删除private EmpMaapper empMapper; public void testD

实体类

@Data
@NoArgsConstructor
@AllArgsConstructor
public class Emp {
    private Integer id;
    private String username;
    private String password;
    private String name;
    private Short gender;
    private String image;
    private Short job;
    private LocalDate entrydate;
    private Integer deptId;
    private LocalDateTime createTime;
    private LocalDateTime updateTime;
}

mapper接口

@Mapper
public interface EmpMaapper {

    //根据id删除数据
    @Delete("delete from emp where id = #{id}")

    public int delete(Integer id);
}

测试

@SpringBootTest//springboot整合单元测试的注解
class SpringbootMybatisDemo1ApplicationTests {

    @Autowired
    private EmpMaapper empMapper;

    @Test
    public void testDelete(){
        empMapper.delete(17);
    }

}