文章目录
- base_attribute
- base_attribute_value
- 1、BaseAttribute
- 2、BaseAttributeValue
- 3、BaseCategoryApiController --》findAttribute()
- 4、BaseCategoryServiceImpl --》findAttribute()
- 5、BaseAttributeMapper
- 6、BaseAttributeMapper.xml
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对应表：base_attribute、base_attribute_value
base_attribute
mysql> select * from base_attribute;
+----+--------------+-----------------+---------------------+---------------------+------------+
| id | category1_id | attribute_name | create_time | update_time | is_deleted |
+----+--------------+-----------------+---------------------+---------------------+------------+
| 1 | 2 | 有声书分类 | 2023-03-20 15:39:12 | 2023-03-20 15:39:12 | 0 |
| 2 | 2 | 播讲形式 | 2023-03-20 15:39:12 | 2023-03-20 15:39:12 | 0 |
| 3 | 2 | 是否付费 | 2023-03-20 15:39:12 | 2023-03-20 15:39:12 | 0 |
| 4 | 2 | 是否完本 | 2023-03-20 15:39:12 | 2023-03-20 15:39:12 | 0 |
| 5 | 2 | 是否新品 | 2023-03-20 15:39:12 | 2023-03-20 15:39:12 | 0 |
| 6 | 10 | 是否付费 | 2023-03-20 15:53:23 | 2023-03-20 15:53:23 | 0 |
| 7 | 10 | 是否完本 | 2023-03-20 15:53:23 | 2023-03-20 15:53:23 | 0 |
| 8 | 11 | 是否付费 | 2023-03-20 15:53:23 | 2023-03-20 15:58:02 | 0 |
| 9 | 11 | 是否完本 | 2023-03-20 15:58:02 | 2023-03-20 15:58:02 | 0 |
| 10 | 8 | 创作团体 | 2023-03-20 15:58:02 | 2023-03-20 15:58:02 | 0 |
| 11 | 8 | 是否付费 | 2023-03-20 15:58:02 | 2023-03-20 15:58:02 | 0 |
| 12 | 8 | 是否完结 | 2023-03-20 15:58:02 | 2023-03-20 15:58:02 | 0 |
| 13 | 6 | 是否付费 | 2023-03-20 16:04:13 | 2023-03-20 16:04:13 | 0 |
| 14 | 6 | 是否完结 | 2023-03-20 16:04:13 | 2023-03-20 16:04:13 | 0 |
| 15 | 5 | 适合年龄 | 2023-03-20 16:04:13 | 2023-03-20 16:04:13 | 0 |
| 16 | 5 | 是否完结 | 2023-03-20 16:04:13 | 2023-03-20 16:04:13 | 0 |
| 17 | 5 | 是否付费 | 2023-03-20 16:04:13 | 2023-03-20 16:04:13 | 0 |
| 18 | 12 | 是否付费 | 2023-03-20 16:04:13 | 2023-03-20 16:04:13 | 0 |
| 19 | 12 | 是否完结 | 2023-03-20 16:04:13 | 2023-03-20 16:04:13 | 0 |
+----+--------------+-----------------+---------------------+---------------------+------------+
19 rows in set (0.00 sec)
base_attribute_value
mysql> select * from base_attribute_value;
+----+--------------+--------------+---------------------+---------------------+------------+
| id | attribute_id | value_name | create_time | update_time | is_deleted |
+----+--------------+--------------+---------------------+---------------------+------------+
| 1 | 1 | 男频小说 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 2 | 1 | 女频小说 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 3 | 2 | 多人 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 4 | 2 | 双人 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 5 | 2 | 单人 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 6 | 3 | 付费 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 7 | 3 | 免费 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 8 | 4 | 完结 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 9 | 4 | 连载中 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 10 | 5 | 新品 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 11 | 5 | 非新品 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 12 | 6 | 付费 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 13 | 6 | 免费 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 14 | 7 | 完结 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 15 | 7 | 连载中 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 16 | 8 | 付费 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 17 | 8 | 免费 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 18 | 9 | 完结 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 19 | 9 | 连载中 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 20 | 10 | 德云社 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 21 | 10 | 其他 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 22 | 11 | 付费 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 23 | 11 | 免费 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 24 | 12 | 完结 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 25 | 12 | 连载中 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 26 | 13 | 付费 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 27 | 13 | 免费 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 28 | 14 | 完结 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 29 | 14 | 连载中 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 30 | 15 | 0-3岁 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 31 | 15 | 3-6岁 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 32 | 15 | 6岁以上 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 33 | 16 | 完结 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 34 | 16 | 连载中 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 35 | 17 | 付费 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 36 | 17 | 免费 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 37 | 18 | 付费 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 38 | 18 | 免费 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 39 | 19 | 完结 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 40 | 19 | 连载中 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
+----+--------------+--------------+---------------------+---------------------+------------+
40 rows in set (0.00 sec)
请求路径：/api/album/category/findAttribute/{categoryId}
请求参数：占位符参数
请求方式：get
返回结果集：
{
"code": 200,
"message": "成功",
"data": [
{
"id": 1,
"createTime": null,
"category1Id": 2,
"attributeName": "有声书分类",
"attributeValueList": [
{
"id": 1,
"createTime": null,
"attributeId": 1,
"valueName": "男频小说"
},
{
"id": 2,
"createTime": null,
"attributeId": 1,
"valueName": "女频小说"
}
]
},
{
"id": 2,
"createTime": null,
"category1Id": 2,
"attributeName": "播讲形式",
"attributeValueList": [
{
"id": 3,
"createTime": null,
"attributeId": 2,
"valueName": "多人"
},
{
"id": 4,
"createTime": null,
"attributeId": 2,
"valueName": "双人"
},
{
"id": 5,
"createTime": null,
"attributeId": 2,
"valueName": "单人"
}
]
},
{
"id": 3,
"createTime": null,
"category1Id": 2,
"attributeName": "是否付费",
"attributeValueList": [
{
"id": 6,
"createTime": null,
"attributeId": 3,
"valueName": "付费"
},
{
"id": 7,
"createTime": null,
"attributeId": 3,
"valueName": "免费"
}
]
},
{
"id": 4,
"createTime": null,
"category1Id": 2,
"attributeName": "是否完本",
"attributeValueList": [
{
"id": 8,
"createTime": null,
"attributeId": 4,
"valueName": "完结"
},
{
"id": 9,
"createTime": null,
"attributeId": 4,
"valueName": "连载中"
}
]
},
{
"id": 5,
"createTime": null,
"category1Id": 2,
"attributeName": "是否新品",
"attributeValueList": [
{
"id": 10,
"createTime": null,
"attributeId": 5,
"valueName": "新品"
},
{
"id": 11,
"createTime": null,
"attributeId": 5,
"valueName": "非新品"
}
]
}
]
}
1、BaseAttribute
package com.atguigu.tingshu.model.album;
import com.atguigu.tingshu.model.base.BaseEntity;
import com.baomidou.mybatisplus.annotation.TableField;
import com.baomidou.mybatisplus.annotation.TableName;
import io.swagger.v3.oas.annotations.media.Schema;
import lombok.Data;
import java.util.List;
@Data
@Schema(description = "BaseAttribute")
@TableName("base_attribute")
public class BaseAttribute extends BaseEntity {
private static final long serialVersionUID = 1L;
@Schema(description = "一级分类id")
@TableField("category1_id")
private Long category1Id;
@Schema(description = "属性显示名称")
@TableField("attribute_name")
private String attributeName;
@TableField(exist = false)
private List<BaseAttributeValue> attributeValueList;
}
2、BaseAttributeValue
package com.atguigu.tingshu.model.album;
import com.atguigu.tingshu.model.base.BaseEntity;
import com.baomidou.mybatisplus.annotation.TableField;
import com.baomidou.mybatisplus.annotation.TableName;
import io.swagger.v3.oas.annotations.media.Schema;
import lombok.Data;
@Data
@Schema(description = "BaseAttributeValue")
@TableName("base_attribute_value")
public class BaseAttributeValue extends BaseEntity {
private static final long serialVersionUID = 1L;
@Schema(description = "属性id")
@TableField("attribute_id")
private Long attributeId;
@Schema(description = "属性值名称")
@TableField("value_name")
private String valueName;
}
3、BaseCategoryApiController --》findAttribute()
@Tag(name = "分类管理")
@RestController
@RequestMapping(value="/api/album/category")
@SuppressWarnings({"unchecked", "rawtypes"})
public class BaseCategoryApiController {
/**
* 根据一级分类ID查询属性
*
* 该方法用于从数据库中查询与给定的一级分类ID相关的所有属性它通过HTTP GET请求的URL中提取一级分类ID，
* 然后调用业务服务来获取相应的属性列表最后，它返回一个包含查询到的属性列表的Result对象
*
* @param category1Id 从URL中获取的一级分类ID，用于查询特定分类的属性
* @return 返回一个Result对象，其中包含一个属性列表，这些属性与给定的一级分类ID相关
*/
@GetMapping("findAttribute/{category1Id}")
public Result<List<BaseAttribute>> findAttribute(@PathVariable("category1Id") Long category1Id){
// 调用业务服务根据一级分类ID查询属性
List<BaseAttribute> baseAttributes = this.baseCategoryService.findAttribute(category1Id);
// 返回查询到的属性列表的Result对象
return Result.ok(baseAttributes);
}
}
4、BaseCategoryServiceImpl --》findAttribute()
@Service
@SuppressWarnings({"unchecked", "rawtypes"})
public class BaseCategoryServiceImpl extends ServiceImpl<BaseCategory1Mapper, BaseCategory1> implements BaseCategoryService {
@Override
public List<BaseAttribute> findAttribute(Long category1Id) {
return this.baseAttributeMapper.findAttribute(category1Id);
}
}
5、BaseAttributeMapper
package com.atguigu.tingshu.album.mapper;
import com.atguigu.tingshu.model.album.BaseAttribute;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import org.apache.ibatis.annotations.Mapper;
import java.util.List;
@Mapper
public interface BaseAttributeMapper extends BaseMapper<BaseAttribute> {
List<BaseAttribute> findAttribute(Long category1Id);
}
6、BaseAttributeMapper.xml
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
PUBLIC "-//ibatis.apache.org//DTD Mapper 3.0//EN"
"http://ibatis.apache.org/dtd/ibatis-3-mapper.dtd">
<mapper namespace="com.atguigu.tingshu.album.mapper.BaseAttributeMapper">
<resultMap id="attributeMap" type="com.atguigu.tingshu.model.album.BaseAttribute" autoMapping="true">
<id column="id" property="id"></id>
<collection property="attributeValueList" javaType="List" ofType="com.atguigu.tingshu.model.album.BaseAttributeValue" autoMapping="true">
<id column="bav_id" property="id"/>
</collection>
</resultMap>
<select id="findAttribute" resultMap="attributeMap">
select ba.id, ba.category1_id, ba.attribute_name, bav.id bav_id, bav.attribute_id, bav.value_name from base_attribute ba
inner join base_attribute_value bav on ba.id=bav.attribute_id
where ba.category1_id=#{category1Id} and ba.is_deleted=0 and bav.is_deleted=0
</select>
</mapper>
select * from base_attribute ba
inner join base_attribute_value bav on ba.id=bav.attribute_id
where ba.category1_id=2 and ba.is_deleted=0 and bav.is_deleted=0;
mysql> select * from base_attribute ba inner join base_attribute_value bav on ba.id=bav.attribute_id where ba.category1_id=2 and ba.is_deleted=0 and bav.is_deleted=0;
+----+--------------+-----------------+---------------------+---------------------+------------+----+--------------+--------------+---------------------+---------------------+------------+
| id | category1_id | attribute_name | create_time | update_time | is_deleted | id | attribute_id | value_name | create_time | update_time | is_deleted |
+----+--------------+-----------------+---------------------+---------------------+------------+----+--------------+--------------+---------------------+---------------------+------------+
| 1 | 2 | 有声书分类 | 2023-03-20 15:39:12 | 2023-03-20 15:39:12 | 0 | 1 | 1 | 男频小说 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 1 | 2 | 有声书分类 | 2023-03-20 15:39:12 | 2023-03-20 15:39:12 | 0 | 2 | 1 | 女频小说 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 2 | 2 | 播讲形式 | 2023-03-20 15:39:12 | 2023-03-20 15:39:12 | 0 | 3 | 2 | 多人 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 2 | 2 | 播讲形式 | 2023-03-20 15:39:12 | 2023-03-20 15:39:12 | 0 | 4 | 2 | 双人 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 2 | 2 | 播讲形式 | 2023-03-20 15:39:12 | 2023-03-20 15:39:12 | 0 | 5 | 2 | 单人 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 3 | 2 | 是否付费 | 2023-03-20 15:39:12 | 2023-03-20 15:39:12 | 0 | 6 | 3 | 付费 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 3 | 2 | 是否付费 | 2023-03-20 15:39:12 | 2023-03-20 15:39:12 | 0 | 7 | 3 | 免费 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 4 | 2 | 是否完本 | 2023-03-20 15:39:12 | 2023-03-20 15:39:12 | 0 | 8 | 4 | 完结 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 4 | 2 | 是否完本 | 2023-03-20 15:39:12 | 2023-03-20 15:39:12 | 0 | 9 | 4 | 连载中 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 5 | 2 | 是否新品 | 2023-03-20 15:39:12 | 2023-03-20 15:39:12 | 0 | 10 | 5 | 新品 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
| 5 | 2 | 是否新品 | 2023-03-20 15:39:12 | 2023-03-20 15:39:12 | 0 | 11 | 5 | 非新品 | 2023-03-20 16:15:34 | 2023-03-20 16:15:34 | 0 |
+----+--------------+-----------------+---------------------+---------------------+------------+----+--------------+--------------+---------------------+---------------------+------------+
11 rows in set (0.00 sec)
