<dependency>
 <groupId>com.h2database</groupId>
 <artifactId>h2</artifactId>
 <scope>runtime</scope>
</dependency>

spring:
  datasource:
    username: hsp
    password: 123456
    url: jdbc:h2:file:./blogDB
    driver-class-name: org.h2.Driver
    schema: classpath:schema.sql
    data: classpath:data.sql
    initialization-mode: always
    continue-on-error: true

  h2:
    console:
      enabled: true
      path: /h2

CREATE TABLE `blog` (
  `id` int AUTO_INCREMENT NOT NULL,
  `title` varchar(255) DEFAULT NULL,
  PRIMARY KEY (`id`)
);

insert into blog(id,title) values(1,'花生皮編程博客');

@MapperScan({"cn.hsp.blog"})
@SpringBootApplication
public class HspApplication {

 public static void main(String[] args) {
  SpringApplication.run(HspApplication.class, args);
 }

}

@RestController
@RequestMapping("/blog")
public class BlogController {

    @Autowired
    private BlogMapper blogMapper;

    @GetMapping(value="/query")
    public List<Blog> query()
    {
        return blogMapper.query();
    }
}

@Repository
public interface BlogMapper {
    @Select(value = "select * from blog")
    List<Blog> query();
}

@Data
public class Blog {
    private int id;
    private String title;
}