Spring-Boot 快速使用

发表于 更新于

Spring-Boot 介绍

架构
spring boot
MyBatis-Plus
MySql
start

实体映射表

1
2
3
4
5
6
7
8
9
10
11
12
13
@Data
@EqualsAndHashCode(callSuper = false)
#表名称 配置映射表
@TableName("t_cc_*")
public class Dao implements Serializable {
    /**实现序列化，实现serializable接口的作用是就是可以把对象存到字节流，然后可以恢复。网络传输需要用到，分布式系统尤其重要*/
    private static final long serialVersionUID = 1L;

    //设置主键自增
    @TableId(value = "id", type = IdType.AUTO)
    private Integer id;
    private String tableName;
    private String tableColumn;

Mapper层

1
2
3
4
5
6
@Mapper
public interface Mapper extends BaseMapper<Dao> {
    //自定义sql
     @Select("SELECT t.id,t.Key,t.name,t.version,t.createTime,t.mark FROM t_apk t where Key=#{Key}")
    Dao selectByKey(@Param("Key") String Key);
}

service实现层

TO 继承了MyBatis-Plus的Pagination类有了分页属性

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
@Service
public class ServiceImpl implements Service {

    private static AndroidPackageMapper mapper;

    @Autowired
    @SuppressWarnings("SpringJavaAutowiringInspection")
    public AndroidPackageServiceImpl(AndroidPackageMapper mapper){
        this.mapper=mapper;
    }

    @Override
    public ActionResult<Page> List(TO){
        EntityWrapper<DO> ew = new EntityWrapper<>();
        ew.where("key={0}",key)
        List<DO> DOList=mapper.selectPage(TO,ew);
        Page<AndroidPackageVO> page=new Page(TO.getCurrent(),TO.getSize());
        page.setRecords(DOList);
        page.setTotal(TO.getTotal());
        ActionResult<Page> ar=new ActionResult<>();
        ar.setResult(page);
        return ar;
    }

}

service层

使用在启动类上使用@EnableTransactionManagement注解开启事务,在单元测试中的test函数上添加 @Transactional 注解配合
@Rollback 注解让每个单元测试都能在结束时回滚

1
2
3
4
5
//开启事务
@Transactional
public interface AndroidPackageService {
    ActionResult<Page> List(TO)
}

controller层

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
@RestController
@RequestMapping("/api/Controller")
public class Controller {
    //参数层次较多时用@RequestBody注解映射
    @RequestMapping("/find")
    public ResponseEntity<ActionResult> findAPKList(@RequestBody PageTO pageTO){
        ActionResult<Page> result=Service.List(pageTO);
        return ResponseEntity.ok(result);
    }

    //参数层次单一时
        @RequestMapping("/delete")
    public ResponseEntity<ActionResult> delete(String key){
        ActionResult<String> result=Service.delete(key);
        return ResponseEntity.ok(result);
    }
}