package com.ruoyi.system.service.impl;
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import com.baomidou.mybatisplus.core.toolkit.CollectionUtils;
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import com.baomidou.mybatisplus.core.toolkit.ObjectUtils;
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import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.ruoyi.common.basic.PageDTO;
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import com.ruoyi.common.enums.ShowStatusEnum;
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import com.ruoyi.common.exception.ServiceException;
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import com.ruoyi.common.utils.BeanUtils;
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import com.ruoyi.common.utils.CollUtils;
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import com.ruoyi.common.utils.StringUtils;
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import com.ruoyi.system.domain.TbFieldCategory;
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import com.ruoyi.system.dto.FieldCategoryDTO;
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import com.ruoyi.system.dto.ShowHideDTO;
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import com.ruoyi.system.dto.update.FieldCategoryUpdateDTO;
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import com.ruoyi.system.mapper.TbFieldCategoryMapper;
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import com.ruoyi.system.query.FieldCategoryQuery;
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import com.ruoyi.system.service.TbFieldCategoryService;
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import com.ruoyi.system.vo.FieldCategoryDetailVO;
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import com.ruoyi.system.vo.FieldCategoryVO;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import java.util.List;
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import java.util.Objects;
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import java.util.stream.Collectors;
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/**
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* <p>
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* 字段分类表 服务实现类
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* </p>
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*
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* @author mitao
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* @since 2024-03-13
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*/
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@Service
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public class TbFieldCategoryServiceImpl extends ServiceImpl<TbFieldCategoryMapper, TbFieldCategory> implements TbFieldCategoryService {
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@Override
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public void add(FieldCategoryDTO dto) {
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//一级分类
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TbFieldCategory oneCategory = new TbFieldCategory();
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oneCategory.setFieldCategoryName(dto.getFieldCategoryName());
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oneCategory.setSortOrder(dto.getSortOrder());
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this.save(oneCategory);
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//二级分类
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List<FieldCategoryDTO> children = dto.getChildren();
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if (!CollectionUtils.isEmpty(children)) {
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children.forEach(item->{
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TbFieldCategory twoCategory = new TbFieldCategory();
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twoCategory.setParentId(oneCategory.getId());
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twoCategory.setFieldCategoryName(item.getFieldCategoryName());
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this.save(twoCategory);
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//三级分类
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List<FieldCategoryDTO> next = item.getChildren();
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if (!CollectionUtils.isEmpty(next)) {
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next.forEach(nextItem->{
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TbFieldCategory threeCategory = new TbFieldCategory();
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threeCategory.setParentId(twoCategory.getId());
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threeCategory.setFieldCategoryName(nextItem.getFieldCategoryName());
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this.save(threeCategory);
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});
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}
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});
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}
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}
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@Override
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public PageDTO<FieldCategoryVO> queryPage(FieldCategoryQuery query) {
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Page<TbFieldCategory> page = this.lambdaQuery()
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.like(StringUtils.isNotBlank(query.getFieldCategoryName()), TbFieldCategory::getFieldCategoryName, query.getFieldCategoryName())
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.eq(ObjectUtils.isNotEmpty(query.getStatus()), TbFieldCategory::getStatus, query.getStatus())
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.eq(TbFieldCategory::getParentId, 0)
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.orderByDesc(TbFieldCategory::getCreateTime)
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.page(new Page<>(query.getPageNum(), query.getPageSize()));
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if (CollUtils.isEmpty(page.getRecords())) {
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return PageDTO.empty(page);
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}
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return PageDTO.of(page, FieldCategoryVO.class);
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public void showHide(ShowHideDTO dto) {
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updateCategoryAndChildren(dto.getId(), dto.getStatus());
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}
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private void updateCategoryAndChildren(Long id, ShowStatusEnum status) {
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TbFieldCategory category = this.validateParam(id);
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this.lambdaUpdate()
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.eq(TbFieldCategory::getId, id)
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.set(TbFieldCategory::getStatus, status)
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.update();
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List<TbFieldCategory> children = this.lambdaQuery().eq(TbFieldCategory::getParentId, category.getId()).list();
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if (CollUtils.isNotEmpty(children)) {
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List<Long> childIds = children.stream().map(TbFieldCategory::getId).collect(Collectors.toList());
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childIds.forEach(childId -> updateCategoryAndChildren(childId, status));
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}
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public void deleteChildren(Long id) {
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//认定为二级分类
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TbFieldCategory category = this.getById(id);
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if (Objects.nonNull(category)) {
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//查询是否有三级分类
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List<TbFieldCategory> threeCategoryList = this.lambdaQuery().eq(TbFieldCategory::getParentId, id).list();
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if (CollectionUtils.isNotEmpty(threeCategoryList)) {
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List<Long> ids = threeCategoryList.stream().map(TbFieldCategory::getId).collect(Collectors.toList());
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//删除该二级分类下面的三级分类
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this.removeByIds(ids);
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}
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//删除二级分类
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this.removeById(id);
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}
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public void delete(Long id) {
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//一级分类
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validateParam(id);
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//查询是否有二级分类
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List<TbFieldCategory> threeCategoryList = this.lambdaQuery().eq(TbFieldCategory::getParentId, id).list();
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if (CollectionUtils.isNotEmpty(threeCategoryList)) {
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List<Long> ids = threeCategoryList.stream().map(TbFieldCategory::getId).collect(Collectors.toList());
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//查询三级分类
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List<TbFieldCategory> list = this.lambdaQuery().in(TbFieldCategory::getParentId, ids).list();
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if (CollectionUtils.isNotEmpty(list)) {
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List<Long> ids1 = list.stream().map(TbFieldCategory::getId).collect(Collectors.toList());
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//删除三级分类
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this.removeByIds(ids1);
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}
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//删除二级分类
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this.removeByIds(ids);
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}
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//删除一级分类
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this.removeById(id);
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}
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private TbFieldCategory validateParam(Long id) {
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TbFieldCategory category = this.getById(id);
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if (Objects.isNull(category)) {
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throw new ServiceException("非法参数");
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}
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return category;
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}
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@Override
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public void edit(FieldCategoryUpdateDTO dto) {
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validateParam(dto.getId());
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//更新一级分类
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updateCategory(dto);
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List<FieldCategoryUpdateDTO> children = dto.getChildren();
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//更新二级分类
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if (!CollectionUtils.isEmpty(children)) {
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children.forEach(item->{
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updateCategory(item);
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//三级分类
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List<FieldCategoryUpdateDTO> next = item.getChildren();
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if (!CollectionUtils.isEmpty(next)) {
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next.forEach(this::updateCategory);
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}
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});
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}
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}
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private void updateCategory(FieldCategoryUpdateDTO dto) {
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if (dto == null) return;
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this.lambdaUpdate()
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.set(TbFieldCategory::getFieldCategoryName, dto.getFieldCategoryName())
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.set(Objects.nonNull(dto.getSortOrder()),TbFieldCategory::getSortOrder, dto.getSortOrder())
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.eq(TbFieldCategory::getId, dto.getId())
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.update();
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}
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@Override
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public List<FieldCategoryVO> queryFieldCategories(Long id) {
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List<TbFieldCategory> list = this.lambdaQuery()
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.select(TbFieldCategory::getId,TbFieldCategory::getFieldCategoryName)
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.eq(TbFieldCategory::getParentId, id)
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.eq(TbFieldCategory::getStatus, ShowStatusEnum.SHOW)
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.list();
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return BeanUtils.copyList(list, FieldCategoryVO.class);
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}
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@Override
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public FieldCategoryDetailVO getDetailsById(Long id) {
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TbFieldCategory oneCategory = this.getById(id);
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if (Objects.isNull(oneCategory)) {
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return new FieldCategoryDetailVO();
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}
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FieldCategoryDetailVO vo = BeanUtils.copyBean(oneCategory, FieldCategoryDetailVO.class);
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//根据一级分类id，查询二级分类
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List<TbFieldCategory> twoCategoryList = this.lambdaQuery().eq(TbFieldCategory::getParentId, oneCategory.getId()).list();
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twoCategoryList.forEach(item->{
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FieldCategoryDetailVO twoCategoryVO = BeanUtils.copyBean(item, FieldCategoryDetailVO.class);
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vo.getChildren().add(twoCategoryVO);
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//根据二级分类id，查询三级分类
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List<TbFieldCategory> threeCategoryList = this.lambdaQuery().eq(TbFieldCategory::getParentId, item.getId()).list();
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threeCategoryList.forEach(threeCategory->{
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FieldCategoryDetailVO threeCategoryVO = BeanUtils.copyBean(threeCategory, FieldCategoryDetailVO.class);
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twoCategoryVO.getChildren().add(threeCategoryVO);
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});
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});
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return vo;
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}
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}
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