电商项目8：平台属性
2024-06-18 02:38:14
电商项目8：平台属性
- 1、后端
- 1.1、属性分组模糊查询
- 1.2、商品属性新增功能：保存关联关系
- 1.3、查询规格参数列表
- 1.4、编辑规格参数
- 1.5、销售属性维护
- 1.6、查询分组关联属性
- 1.7、属性分组关联关系移除
- 1.8、查询分组未关联的属性
- 1.9、新增分组关联关系
1、后端
1.1、属性分组模糊查询
需要改造。当前端传0时候。模糊查询功能有点问题
AttrGroupServiceImpl
@Overridepublic PageUtils queryPage(Map<String, Object> params, Long catelogId) {QueryWrapper<AttrGroupEntity> wrapper = new QueryWrapper<AttrGroupEntity>();// 当前端传了keyString key = (String)params.get("key");if (!StringUtils.isEmpty(key)){// select * from pms_attr_group where catelog_id = ? and (attr_gruop_id = ? or attr_group_name like %%)wrapper.and((obj)->{obj.eq("attr_group_id",key).or().like("attr_group_name",key);});}// 当前端的catelogId为0，没传的时候，查询所有if (catelogId == 0){return new PageUtils(this.page(new Query<AttrGroupEntity>().getPage(params),wrapper));}// 当前端cateLogId不为0，则wrapper.eq("catelog_id",catelogId);IPage<AttrGroupEntity> page = this.page(new Query<AttrGroupEntity>().getPage(params),wrapper);return new PageUtils(page);}
1.2、商品属性新增功能：保存关联关系
没有插入关联关系，需重写方法
1、创建vo文件夹。
接收页面传递来的数据，封装对象
将业务处理完成的对象，封装成页面要用的数据
AttrVo
package com.ljs.gulimall.product.vo;import lombok.Data;@Data
public class AttrVo {private Long attrId;/*** 属性名*/private String attrName;/*** 是否需要检索[0-不需要，1-需要]*/private Integer searchType;/*** 值类型[0-为单个值，1-可以选择多个值]*/private Integer valueType;/*** 属性图标*/private String icon;/*** 可选值列表[用逗号分隔]*/private String valueSelect;/*** 属性类型[0-销售属性，1-基本属性，2-既是销售属性又是基本属性]*/private Integer attrType;/*** 启用状态[0 - 禁用，1 - 启用]*/private Long enable;/*** 所属分类*/private Long catelogId;/*** 快速展示【是否展示在介绍上；0-否 1-是】，在sku中仍然可以调整*/private Integer showDesc;/*** 属性分组id*/private Long attrGroupId;
}AttrController
/*** 保存*/@RequestMapping("/save")// @RequiresPermissions("product:attr:save")public R save(@RequestBody AttrVo attr){attrService.saveDetail(attr);return R.ok();}
AttrService
void saveDetail(AttrVo attr);
AttrServiceImpl
##@Transactional生效的前提是
@EnableTransactionManagement注解在配置类上。并且扫描到指定的dao层
@Transactional一般用于一次多个写操作
@Transactional@Overridepublic void saveDetail(AttrVo attr) {// 1、保存分组信息AttrEntity attrEntity = new AttrEntity();BeanUtils.copyProperties(attr,attrEntity);this.save(attrEntity);// 2、保存关联关系AttrAttrgroupRelationEntity relationEntity = new AttrAttrgroupRelationEntity();relationEntity.setAttrGroupId(attr.getAttrGroupId());relationEntity.setAttrId(attrEntity.getAttrId());relationService.save(relationEntity);}
1.3、查询规格参数列表
AttrController
@GetMapping("/base/list/{cateLogId}")public R list(@RequestParam Map<String,Object> params,@PathVariable("cateLogId") Long cateLogId){PageUtils page = attrService.queryBaseAttrPage(params,cateLogId);return R.ok().put("page",page);}
AttrService
PageUtils queryBaseAttrPage(Map<String, Object> params, Long cateLogId);
AttrServiceImpl
@Overridepublic PageUtils queryBaseAttrPage(Map<String, Object> params, Long cateLogId) {QueryWrapper<AttrEntity> queryWrapper = new QueryWrapper<AttrEntity>();if (cateLogId != 0){queryWrapper.eq("catelog_id",cateLogId);}String key = (String) params.get("key");if (!StringUtils.isEmpty(key)){// attr_id attr_namequeryWrapper.and((wrapper) -> {wrapper.eq("attr_id",key).or().like("attr_name",key);});}IPage<AttrEntity> page = this.page(new Query<AttrEntity>().getPage(params),queryWrapper);return new PageUtils(page);}
这时候所属分类和所属分组没有展示出来
实现类需要改造
@Overridepublic PageUtils queryBaseAttrPage(Map<String, Object> params, Long cateLogId) {QueryWrapper<AttrEntity> queryWrapper = new QueryWrapper<AttrEntity>();if (cateLogId != 0){queryWrapper.eq("catelog_id",cateLogId);}String key = (String) params.get("key");if (!StringUtils.isEmpty(key)){// attr_id attr_namequeryWrapper.and((wrapper) -> {wrapper.eq("attr_id",key).or().like("attr_name",key);});}IPage<AttrEntity> page = this.page(new Query<AttrEntity>().getPage(params),queryWrapper);List<AttrEntity> records = page.getRecords();List<AttrRespVo> attrRespVos = records.stream().map(attrEntity -> {AttrRespVo attrRespVo = new AttrRespVo();BeanUtils.copyProperties(attrEntity,attrRespVo);// 根据关联关系表获取所属分组信息AttrAttrgroupRelationEntity relationEntity = relationService.getOne(new QueryWrapper<AttrAttrgroupRelationEntity>().eq("attr_id", attrEntity.getAttrId()));if (relationEntity != null){Long attrGroupId = relationEntity.getAttrGroupId();AttrGroupEntity attrGroupEntity = attrGroupService.getOne(new QueryWrapper<AttrGroupEntity>().eq("attr_group_id", attrGroupId));if (attrGroupEntity != null){attrRespVo.setGroupName(attrGroupEntity.getAttrGroupName());}}// 获取所属分类信息CategoryEntity categoryEntity = categoryService.getOne(new QueryWrapper<CategoryEntity>().eq("cat_id", attrEntity.getCatelogId()));if (categoryEntity != null){attrRespVo.setCatelogName(categoryEntity.getName());}return attrRespVo;}).collect(Collectors.toList());PageUtils pageUtils = new PageUtils(page);pageUtils.setList(attrRespVos);return pageUtils;}
1.4、编辑规格参数
AttrController
/*** 信息*/@RequestMapping("/info/{attrId}")// @RequiresPermissions("product:attr:info")public R info(@PathVariable("attrId") Long attrId){AttrRespVo attrRespVo = attrService.getInfoById(attrId);return R.ok().put("attr", attrRespVo);}
AttrService
AttrRespVo getInfoById(Long attrId);
AttrServiceImpl
@Overridepublic AttrRespVo getInfoById(Long attrId) {AttrRespVo attrRespVo = new AttrRespVo();AttrEntity attrVO = this.getById(attrId);if (attrVO != null){BeanUtils.copyProperties(attrVO,attrRespVo);}// 1、获取分组信息并设值AttrAttrgroupRelationEntity relationEntity = relationService.getOne(new QueryWrapper<AttrAttrgroupRelationEntity>().eq("attr_id", attrId));if (relationEntity != null){Long groupId = relationEntity.getAttrGroupId();attrRespVo.setAttrGroupId(groupId);AttrGroupEntity attrGroupEntity = attrGroupService.getById(groupId);if (attrGroupEntity != null){String attrGroupName = attrGroupEntity.getAttrGroupName();attrRespVo.setGroupName(attrGroupName);}}// 2、获取分类信息并设值Long catelogId = attrRespVo.getCatelogId();Map<Integer,Long> categoryMap = new HashMap<>();Long[] catelogPath = categoryService.findCatelogPath(catelogId,categoryMap);attrRespVo.setCatelogPath(catelogPath);return attrRespVo;}
CategoryServiceImpl
/*** findCatelogPath** @param catelogId catelogId* @return Long[]*/public Long[] findCatelogPath(Long catelogId,Map<Integer,Long> categoryEntities) {CategoryEntity categoryEntity = categoryDao.findCatelogPath(catelogId);if (categoryEntity != null){Long parentCid = categoryEntity.getParentCid();Integer catLevel = categoryEntity.getCatLevel();if (catLevel != null){categoryEntities.put(catLevel,catelogId);if (catLevel != 0){this.findCatelogPath(parentCid,categoryEntities);}if (categoryEntities.size() != 0){List<Long> catelogIdList = new ArrayList<>();for (int i = 0; i < categoryEntities.size(); i++) {catelogIdList.add(categoryEntities.get(i+1));}return catelogIdList.toArray(new Long[0]);}}}return new Long[0];}
CategoryDao
/*** findCatelogPath** @param catelogId catelogId* @return CategoryEntity*/CategoryEntity findCatelogPath(@Param("catelogId") Long catelogId);
CategoryDao.xml
<select id="findCatelogPath" resultMap="categoryMap">SELECT parent_cid,cat_level FROM `pms_category`where cat_id = #{catelogId}</select>
编辑回显就可以出现三级分类了
但是所属分组这里修改有问题
需要编写修改接口
AttrController
/*** 修改*/@RequestMapping("/update")// @RequiresPermissions("product:attr:update")public R update(@RequestBody AttrVo attr){attrService.updateDetail(attr);return R.ok();}
AttrServiceImpl
@Overridepublic void updateDetail(AttrVo attr) {// 1、修改分组信息AttrEntity attrEntity = new AttrEntity();BeanUtils.copyProperties(attr,attrEntity);this.updateById(attrEntity);// 2、修改关联关系AttrAttrgroupRelationEntity relationEntity = new AttrAttrgroupRelationEntity();relationEntity.setAttrGroupId(attr.getAttrGroupId());Long attrId = attrEntity.getAttrId();relationEntity.setAttrId(attrId);// 3、本身无关联关系。则新增关联关系。如果有关联关系则修改关联关系int count = relationService.count(new QueryWrapper<AttrAttrgroupRelationEntity>().eq("attr_id", attrId));if (count > 0){relationService.updateByAttrId(relationEntity);}else{relationService.save(relationEntity);}}
AttrAttrgroupRelationServiceImpl
/*** updateByAttrId** @param relationEntity relationEntity* @return int*/public int updateByAttrId(AttrAttrgroupRelationEntity relationEntity) {return this.baseMapper.updateByAttrId(relationEntity);}
AttrAttrgroupRelationDao
/*** updateByAttrId** @param relationEntity relationEntity* @return int*/int updateByAttrId(AttrAttrgroupRelationEntity relationEntity);
AttrAttrgroupRelationDao.xml
<update id="updateByAttrId">update pms_attr_attrgroup_relationset attr_group_id = #{attrGroupId}where attr_id = #{attrId}</update>
1.5、销售属性维护
1、销售属性分页查询（实现同一个接口，两种路径查询规格规格参数或销售属性）
AttrController
@GetMapping("/{attrType}/list/{cateLogId}")public R list(@RequestParam Map<String,Object> params,@PathVariable("cateLogId") Long cateLogId,@PathVariable("attrType") String attrType){PageUtils page = attrService.queryBaseAttrPage(params,cateLogId,attrType);return R.ok().put("page",page);}
AttrService
PageUtils queryBaseAttrPage(Map<String, Object> params, Long cateLogId, String attrType);
AttrServiceImpl
queryBaseAttrPageQueryWrapper<AttrEntity> queryWrapper = new QueryWrapper<AttrEntity>().eq("attr_type","base".equalsIgnoreCase(attrType) ? 1 : 0);2、修改、新增、删除兼容规格参数
ProductEnum.java
package com.ljs.gulimall.common.Enum;public enum ProductEnum {SPECIFICATION_PARAMETERS(1,"规格参数"),SALES_ATTRIBUTES(0,"销售属性");private final Integer code;private final String msg;ProductEnum(Integer code , String msg){this.code = code;this.msg = msg;}public Integer getCode() {return code;}public String getMsg() {return msg;}
}AttrController.java
/*** 删除*/@RequestMapping("/delete")// @RequiresPermissions("product:attr:delete")public R delete(@RequestBody Long[] attrIds){List<Long> attrIdList = (List<Long>) Arrays.asList(attrIds);attrService.removeByIds(attrIdList);// 删除时同时删除关联关系relationService.removeByAttrIds(attrIdList);return R.ok();}
AttrAttrgroupRelationDao.java
/*** removeByAttrIds** @param attrIdList attrIdList* @return int*/int removeByAttrIds(@Param("list") List<Long> attrIdList);
AttrAttrgroupRelationServiceImpl.java
@Overridepublic int removeByAttrIds(List<Long> attrIdList) {return relationDao.removeByAttrIds(attrIdList);}
AttrServiceImpl
saveDetail@Transactional@Overridepublic void saveDetail(AttrVo attr) {// 1、保存分组信息AttrEntity attrEntity = new AttrEntity();BeanUtils.copyProperties(attr,attrEntity);this.save(attrEntity);if (ProductEnum.SPECIFICATION_PARAMETERS.getCode().equals(attrEntity.getAttrType())){// 2、保存关联关系AttrAttrgroupRelationEntity relationEntity = new AttrAttrgroupRelationEntity();relationEntity.setAttrGroupId(attr.getAttrGroupId());relationEntity.setAttrId(attrEntity.getAttrId());relationService.save(relationEntity);}}
updateDetail@Transactional@Overridepublic void updateDetail(AttrVo attr) {// 1、修改分组信息AttrEntity attrEntity = new AttrEntity();BeanUtils.copyProperties(attr,attrEntity);this.updateById(attrEntity);if (ProductEnum.SPECIFICATION_PARAMETERS.getCode().equals(attrEntity.getAttrType())){// 2、修改关联关系AttrAttrgroupRelationEntity relationEntity = new AttrAttrgroupRelationEntity();relationEntity.setAttrGroupId(attr.getAttrGroupId());Long attrId = attrEntity.getAttrId();relationEntity.setAttrId(attrId);// 3、本身无关联关系。则新增关联关系。如果有关联关系则修改关联关系int count = relationService.count(new QueryWrapper<AttrAttrgroupRelationEntity>().eq("attr_id", attrId));if (count > 0){relationService.updateByAttrId(relationEntity);}else{relationService.save(relationEntity);}}}
queryBaseAttrPage@Overridepublic PageUtils queryBaseAttrPage(Map<String, Object> params, Long cateLogId, String attrType) {QueryWrapper<AttrEntity> queryWrapper = new QueryWrapper<AttrEntity>().eq("attr_type","base".equalsIgnoreCase(attrType) ? 1 : 0);if (cateLogId != 0){queryWrapper.eq("catelog_id",cateLogId);}String key = (String) params.get("key");if (!StringUtils.isEmpty(key)){// attr_id attr_namequeryWrapper.and((wrapper) -> {wrapper.eq("attr_id",key).or().like("attr_name",key);});}IPage<AttrEntity> page = this.page(new Query<AttrEntity>().getPage(params),queryWrapper);List<AttrEntity> records = page.getRecords();List<AttrRespVo> attrRespVos = records.stream().map(attrEntity -> {AttrRespVo attrRespVo = new AttrRespVo();BeanUtils.copyProperties(attrEntity,attrRespVo);if (ProductEnum.SPECIFICATION_PARAMETERS.getCode().equals(attrRespVo.getAttrType())){// 根据关联关系表获取所属分组信息AttrAttrgroupRelationEntity relationEntity = relationService.getOne(new QueryWrapper<AttrAttrgroupRelationEntity>().eq("attr_id", attrEntity.getAttrId()));if (relationEntity != null){Long attrGroupId = relationEntity.getAttrGroupId();AttrGroupEntity attrGroupEntity = attrGroupService.getOne(new QueryWrapper<AttrGroupEntity>().eq("attr_group_id", attrGroupId));if (attrGroupEntity != null){attrRespVo.setGroupName(attrGroupEntity.getAttrGroupName());}}}// 获取所属分类信息CategoryEntity categoryEntity = categoryService.getOne(new QueryWrapper<CategoryEntity>().eq("cat_id", attrEntity.getCatelogId()));if (categoryEntity != null){attrRespVo.setCatelogName(categoryEntity.getName());}return attrRespVo;}).collect(Collectors.toList());PageUtils pageUtils = new PageUtils(page);pageUtils.setList(attrRespVos);return pageUtils;}
getInfoById@Overridepublic AttrRespVo getInfoById(Long attrId) {AttrRespVo attrRespVo = new AttrRespVo();AttrEntity attrVO = this.getById(attrId);if (attrVO != null){BeanUtils.copyProperties(attrVO,attrRespVo);}if (ProductEnum.SPECIFICATION_PARAMETERS.getCode().equals(attrRespVo.getAttrType())){// 1、获取分组信息并设值AttrAttrgroupRelationEntity relationEntity = relationService.getOne(new QueryWrapper<AttrAttrgroupRelationEntity>().eq("attr_id", attrId));if (relationEntity != null){Long groupId = relationEntity.getAttrGroupId();attrRespVo.setAttrGroupId(groupId);AttrGroupEntity attrGroupEntity = attrGroupService.getById(groupId);if (attrGroupEntity != null){String attrGroupName = attrGroupEntity.getAttrGroupName();attrRespVo.setGroupName(attrGroupName);}}}// 2、获取分类信息并设值Long catelogId = attrRespVo.getCatelogId();Map<Integer,Long> categoryMap = new HashMap<>();Long[] catelogPath = categoryService.findCatelogPath(catelogId,categoryMap);attrRespVo.setCatelogPath(catelogPath);return attrRespVo;}
AttrAttrgroupRelationService.java
int removeByAttrIds(List<Long> attrIdList);
AttrAttrgroupRelationDao
/*** removeByAttrIds** @param attrIdList attrIdList* @return int*/int removeByAttrIds(@Param("list") List<Long> attrIdList);
AttrAttrgroupRelationDao.xml
<delete id="removeByAttrIds">delete frompms_attr_attrgroup_relationwhere attr_idin<foreach collection="list" item="item" separator="," open="(" close=")">#{item}</foreach></delete>
1.6、查询分组关联属性
AttrGroupController.java
@Autowiredprivate AttrService attrService;// /product/attrgroup/{attrgroupId}/attr/relation@GetMapping("/{attrgroupId}/attr/relation")public R getRelation(@PathVariable Long attrgroupId){List<AttrEntity> list = attrService.getRelationByAttrGroupId(attrgroupId);return R.ok().put("data",list);}
AttrServiceImpl.java
@Overridepublic List<AttrEntity> getRelationByAttrGroupId(Long attrgroupId) {// 根据attrgroupId获取关联关系表attrId集合List<AttrAttrgroupRelationEntity> relationEntityList = relationService.list(new QueryWrapper<AttrAttrgroupRelationEntity>().eq("attr_group_id", attrgroupId));List<Long> attrIdList = relationEntityList.stream().filter(Objects::nonNull).map(AttrAttrgroupRelationEntity::getAttrId).collect(Collectors.toList());// 根据attrId集合查询所有attr信息Collection<AttrEntity> attrEntities = attrService.listByIds(attrIdList);if (attrEntities != null && !attrEntities.isEmpty()){return (List<AttrEntity>) attrEntities;}return new ArrayList<AttrEntity>();}
AttrService.java
List<AttrEntity> getRelationByAttrGroupId(Long attrgroupId);
1.7、属性分组关联关系移除
AttrGroupController
@PostMapping("/attr/relation/delete")public R deleteRelation(@RequestBody AttrRelationDeleteVo [] vos){attrGroupService.deleteRelation(vos);return R.ok();}
AttrGroupService
void deleteRelation(AttrRelationDeleteVo[] vos);
AttrGroupServiceImpl
@Overridepublic void deleteRelation(AttrRelationDeleteVo[] vos) {if (vos == null || vos.length == 0) {return;}List<AttrAttrgroupRelationEntity> relationList = new ArrayList<>();for (AttrRelationDeleteVo vo : vos) {AttrAttrgroupRelationEntity entity = new AttrAttrgroupRelationEntity();entity.setAttrId(vo.getAttrId());entity.setAttrGroupId(vo.getAttrGroupId());relationList.add(entity);}if (relationList.size() > 0){attrAttrgroupRelationDao.deleteRelation(relationList);}}
AttrAttrgroupRelationDao
/*** deleteRelation** @param relationList relationList*/int deleteRelation(@Param("list") List<AttrAttrgroupRelationEntity> relationList);
AttrAttrgroupRelationDao.xml
<delete id="deleteRelation">delete frompms_attr_attrgroup_relation where<foreach collection="list" item="item" separator=" or ">(attr_id = #{item.attrId} and attr_group_id = #{item.attrGroupId})</foreach></delete>
1.8、查询分组未关联的属性
查询关联关系和新增关联关系。应该是未关联属性才可以被操作
AttrGroupController
/*** 获取属性分组没有关联的其他属性** @param attrgroupId attrgroupId* @param params params* @return R*/// /product/attrgroup/{attrgroupId}/attr/relation@GetMapping("/{attrgroupId}/noattr/relation")public R getNoRelation(@PathVariable Long attrgroupId,@RequestParam Map<String, Object> params){PageUtils page = attrService.getNoRelation(attrgroupId,params);return R.ok().put("page",page);}
AttrService
PageUtils getNoRelation(Long attrgroupId, Map<String, Object> params);
AttrServiceImpl
@Overridepublic PageUtils getNoRelation(Long attrgroupId, Map<String, Object> params) {// 1、根据分组id查询到所有的分类idList<AttrGroupEntity> attrGroupEntities = attrGroupService.getBaseMapper().selectList(new QueryWrapper<AttrGroupEntity>().eq("attr_group_id", attrgroupId));if (attrGroupEntities == null || attrGroupEntities.size() == 0){return null;}List<Long> cateLogIds = attrGroupEntities.stream().map(AttrGroupEntity::getCatelogId).collect(Collectors.toList());// 2、查询当前分类的所有分组List<AttrGroupEntity> attrGroupEntityList = attrGroupService.getBaseMapper().selectList(new QueryWrapper<AttrGroupEntity>().in("catelog_id", cateLogIds));if (attrGroupEntityList == null || attrGroupEntityList.size() == 0){return null;}// 3、查询所有分组的关联属性List<Long> groupIdList = attrGroupEntityList.stream().map(AttrGroupEntity::getAttrGroupId).collect(Collectors.toList());if (groupIdList.size() == 0){return null;}List<AttrAttrgroupRelationEntity> relationEntities = relationService.getBaseMapper().selectList(new QueryWrapper<AttrAttrgroupRelationEntity>().in("attr_group_id", groupIdList));// 4、剔除掉已经存在关联关系的关联属性if (relationEntities == null || relationEntities.size() == 0){return null;}List<Long> attrIds = relationEntities.stream().map(AttrAttrgroupRelationEntity::getAttrId).collect(Collectors.toList());QueryWrapper<AttrEntity> wrapper = new QueryWrapper<AttrEntity>().in("catelog_id", cateLogIds).notIn("attr_id", attrIds).eq("attr_type",ProductEnum.SPECIFICATION_PARAMETERS.getCode());String key = (String)params.get("key");if (!StringUtils.isEmpty(key)){wrapper.and(item -> {item.eq("attr_id",key).or().like("attr_name",key);});}IPage<AttrEntity> page = this.page(new Query<AttrEntity>().getPage(params), wrapper);return new PageUtils(page);}
1.9、新增分组关联关系
AttrGroupController
///attr/relation@PostMapping("/attr/relation")public R addRelation(@RequestBody AttrRelationVo[] vos){if (vos != null && vos.length != 0){List<AttrRelationVo> collect = Arrays.stream(vos).collect(Collectors.toList());List<AttrAttrgroupRelationEntity> entityList = collect.stream().map(item -> {AttrAttrgroupRelationEntity entity = new AttrAttrgroupRelationEntity();BeanUtils.copyProperties(item,entity);return entity;}).collect(Collectors.toList());relationService.saveBatch(entityList);return R.ok();}return R.error();}
新增关联关系可以使用了。
至此新增，编辑时需要判断分组id是否存在。再保存关联关系。避免空指针异常
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