| package com.moral.api.service.impl; | 
|   | 
| import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper; | 
| import com.moral.api.entity.Organization; | 
| import com.moral.api.mapper.OrganizationMapper; | 
| import com.moral.api.service.OrganizationService; | 
| import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl; | 
| import com.moral.constant.Constants; | 
| import org.springframework.beans.factory.annotation.Autowired; | 
| import org.springframework.stereotype.Service; | 
| import org.springframework.util.ObjectUtils; | 
|   | 
| import java.util.ArrayList; | 
| import java.util.List; | 
|   | 
| /** | 
|  * <p> | 
|  * 组织表 服务实现类 | 
|  * </p> | 
|  * | 
|  * @author moral | 
|  * @since 2021-10-12 | 
|  */ | 
| @Service | 
| public class OrganizationServiceImpl extends ServiceImpl<OrganizationMapper, Organization> implements OrganizationService { | 
|   | 
|     @Autowired(required = false) | 
|     private OrganizationMapper organizationMapper; | 
|   | 
|     @Override | 
|     public Organization getOrganizationById(int id) { | 
|         QueryWrapper<Organization> wrapper_organization = new QueryWrapper<>(); | 
|         wrapper_organization.eq("is_delete",Constants.NOT_DELETE); | 
|         wrapper_organization.eq("id",id); | 
|         Organization organization = organizationMapper.selectOne(wrapper_organization); | 
|         return organization; | 
|     } | 
|   | 
|     /** | 
|      * @Description: 根据父组织获取所有子组织 | 
|      * @Param: [] | 
|      * @return: java.util.List<com.moral.api.entity.Organization> | 
|      * @Author: 陈凯裕 | 
|      * @Date: 2021/4/14 | 
|      */ | 
|     @Override | 
|     public List<Organization> getAllChildrenOrganization(Integer parentId) { | 
|         List<Organization> children = new ArrayList<>(); | 
|         recursionQueryChildren(parentId, children); | 
|         return children; | 
|     } | 
|   | 
|     /** | 
|      * @Description: 通过父组织查询下面所有的子组织放到children中 | 
|      * @Param: [parent, children] | 
|      * @return: void | 
|      * @Author: 陈凯裕 | 
|      * @Date: 2021/4/14 | 
|      */ | 
|     private void recursionQueryChildren(Integer parentId, List<Organization> children) { | 
|         QueryWrapper<Organization> queryWrapper = new QueryWrapper(); | 
|         queryWrapper.eq("is_delete", Constants.NOT_DELETE); | 
|         queryWrapper.eq("parent_id", parentId); | 
|         List<Organization> organizations = organizationMapper.selectList(queryWrapper); | 
|         if (!ObjectUtils.isEmpty(organizations)) { | 
|             children.addAll(organizations); | 
|             for (Organization organization : organizations) { | 
|                 recursionQueryChildren(organization.getId(), children); | 
|             } | 
|         } else { | 
|             return; | 
|         } | 
|     } | 
| } |