小知识,大挑战!本文正在参与“ 程序员必备小知识 ”创作活动
pom文件引入mybatis plus依赖
<dependency>
<groupId>com.baomidou</groupId>
<artifactId>mybatis-plus-boot-starter</artifactId>
<version>3.3.2</version>
</dependency>
java实体类(tableName注解将实体类和数据库表映射)
@Data
@ToString
@TableName( value ="t_public_account_article" )
public class InfoEntity {
private String aid;
private String appmsgid;
private String cover;
private String digest;
private String itemidx;
private String link;
private String title;
@SerializedName("create_time")
private Long createTime;
@SerializedName("update_time")
private Long updateTime;
}
DAO层mapper接口
@Mapper
@Component
public interface InfoDao extends BaseMapper<InfoEntity> {
void insertUnique(InfoEntity entity);
void insertList(@Param("list") List<InfoEntity> list);
}
SERVICE层service服务
@Service
public class IndexService {
@Autowired
private InfoDao infoDao;
public List<InfoEntity> list(){
return infoDao.selectList(null);
}
}