| | |
| | | import org.springframework.beans.factory.annotation.Autowired; |
| | | import org.springframework.stereotype.Service; |
| | | |
| | | import java.util.ArrayList; |
| | | import java.util.HashMap; |
| | | import java.util.List; |
| | | import java.util.Map; |
| | | import java.util.stream.Collectors; |
| | | |
| | | /** |
| | |
| | | @Override |
| | | public List<SvyLibTemplateCategoryVO> selectSvyLibTemplateCategoryList(SvyLibTemplateCategory svyLibTemplateCategory) { |
| | | List<SvyLibTemplateCategory> svyLibTemplateCategories = svyLibTemplateCategoryMapper.selectSvyLibTemplateCategoryList(svyLibTemplateCategory); |
| | | //将pid为空的,过滤掉 |
| | | // svyLibTemplateCategories = svyLibTemplateCategories.stream().filter(assort -> assort.getPid() == null).collect(Collectors.toList()); |
| | | |
| | | List<SvyLibTemplateCategoryVO> svyLibTemplateCategoryVOList = DtoConversionUtils.sourceToTarget(svyLibTemplateCategories, SvyLibTemplateCategoryVO.class); |
| | | //遍历查出来的数据,通过 id=pid 获取他们的子数据 |
| | | for (SvyLibTemplateCategoryVO svyLibTemplateCategoryVO : svyLibTemplateCategoryVOList) { |
| | | // if (svyLibTemplateCategoryVO.getPid() != null) { |
| | | // continue; |
| | | // } |
| | | SvyLibTemplateCategory svyLibTemplateCategory1 = new SvyLibTemplateCategory(); |
| | | svyLibTemplateCategory1.setPid(svyLibTemplateCategoryVO.getId()); |
| | | List<SvyLibTemplateCategory> svyLibTemplateCategoryList = svyLibTemplateCategoryMapper.selectSvyLibTemplateCategoryList(svyLibTemplateCategory1); |
| | | if (!Collections.isEmpty(svyLibTemplateCategoryList)) { |
| | | svyLibTemplateCategoryVO.setSvyLibTemplateCategoryList(svyLibTemplateCategoryList); |
| | | |
| | | List<SvyLibTemplateCategoryVO> rootList = new ArrayList<>(); |
| | | Map<Long, SvyLibTemplateCategoryVO> categoryMap = new HashMap<>(); |
| | | |
| | | // 建立id->对象的映射 |
| | | for (SvyLibTemplateCategoryVO category : svyLibTemplateCategoryVOList) { |
| | | categoryMap.put(category.getId(), category); |
| | | } |
| | | |
| | | for (SvyLibTemplateCategoryVO category : svyLibTemplateCategoryVOList) { |
| | | if (category.getPid() == null || category.getPid() == -1) { |
| | | // 顶层节点 |
| | | rootList.add(category); |
| | | } else { |
| | | // 找到父节点,并添加到其子节点列表 |
| | | SvyLibTemplateCategoryVO parent = categoryMap.get(category.getPid()); |
| | | if (parent != null) { |
| | | SvyLibTemplateCategory sc = DtoConversionUtils.sourceToTarget(category, SvyLibTemplateCategory.class); |
| | | parent.getSvyLibTemplateCategoryList().add(sc); |
| | | } |
| | | } |
| | | return svyLibTemplateCategoryVOList; |
| | | } |
| | | return rootList; |
| | | } |
| | | |
| | | /** |