feat: 全量提交
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horizons
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package com.youlai.system.service.impl;
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import cn.hutool.core.bean.BeanUtil;
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import cn.hutool.core.collection.CollectionUtil;
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import cn.hutool.core.lang.Validator;
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import cn.hutool.core.util.StrUtil;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.youlai.system.common.constant.SystemConstants;
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import com.youlai.system.common.enums.StatusEnum;
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import com.youlai.system.common.model.Option;
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import com.youlai.system.converter.DeptConverter;
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import com.youlai.system.mapper.SysDeptMapper;
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import com.youlai.system.pojo.entity.SysDept;
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import com.youlai.system.pojo.form.DeptForm;
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import com.youlai.system.pojo.query.DeptQuery;
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import com.youlai.system.pojo.vo.dept.DeptVO;
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import com.youlai.system.service.SysDeptService;
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import lombok.RequiredArgsConstructor;
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import org.springframework.stereotype.Service;
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import java.util.*;
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import java.util.stream.Collectors;
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/**
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* 部门业务实现类
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*
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* @author haoxr
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* @date 2021-08-22
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*/
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@Service
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@RequiredArgsConstructor
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public class SysDeptServiceImpl extends ServiceImpl<SysDeptMapper, SysDept> implements SysDeptService {
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private final DeptConverter deptConverter;
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/**
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* 部门列表
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*/
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@Override
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public List<DeptVO> listDepartments(DeptQuery queryParams) {
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// 查询参数
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String keywords = queryParams.getKeywords();
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Integer status = queryParams.getStatus();
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// 查询数据
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List<SysDept> deptList = this.list(
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new LambdaQueryWrapper<SysDept>()
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.like(StrUtil.isNotBlank(keywords), SysDept::getName, keywords)
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.eq(Validator.isNotNull(status), SysDept::getStatus, status)
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.orderByAsc(SysDept::getSort)
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);
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List<DeptVO> list = new ArrayList<>();
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if (CollectionUtil.isNotEmpty(deptList)) {
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Set<Long> cacheDeptIds = deptList.stream()
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.map(SysDept::getId)
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.collect(Collectors.toSet());
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for (SysDept dept : deptList) {
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Long parentId = dept.getParentId();
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// 不在缓存ID列表的parentId是顶级节点ID，以此作为递归开始
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if (cacheDeptIds.contains(parentId) == false) {
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list.addAll(recurDepartments(parentId, deptList));
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cacheDeptIds.add(parentId); // 避免重复递归
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}
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}
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}
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// 列表为空说明所有的节点都是独立的
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if (list.isEmpty()) {
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return deptList.stream().map(item -> {
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DeptVO deptVO = new DeptVO();
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BeanUtil.copyProperties(item, deptVO);
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return deptVO;
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})
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.collect(Collectors.toList());
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}
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return list;
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}
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/**
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* 递归生成部门层级列表
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*
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* @param parentId
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* @param deptList
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* @return
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*/
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public List<DeptVO> recurDepartments(Long parentId, List<SysDept> deptList) {
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List<DeptVO> list = deptList.stream()
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.filter(dept -> dept.getParentId().equals(parentId))
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.map(dept -> {
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DeptVO deptVO = deptConverter.entity2Vo(dept);
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List<DeptVO> children = recurDepartments(dept.getId(), deptList);
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deptVO.setChildren(children);
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return deptVO;
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}).collect(Collectors.toList());
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return list;
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}
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/**
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* 部门下拉选项
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*
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* @return
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*/
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@Override
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public List<Option> listDeptOptions() {
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List<SysDept> deptList = this.list(new LambdaQueryWrapper<SysDept>()
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.eq(SysDept::getStatus, StatusEnum.ENABLE.getValue())
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.select(SysDept::getId, SysDept::getParentId, SysDept::getName)
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.orderByAsc(SysDept::getSort)
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);
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List<Option> options = recurDeptTreeOptions(SystemConstants.ROOT_NODE_ID, deptList);
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return options;
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}
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@Override
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public Long saveDept(DeptForm formData) {
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SysDept entity = deptConverter.form2Entity(formData);
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// 部门路径
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String treePath = generateDeptTreePath(formData.getParentId());
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entity.setTreePath(treePath);
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// 保存部门并返回部门ID
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this.save(entity);
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return entity.getId();
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}
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@Override
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public Long updateDept(Long deptId, DeptForm formData) {
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// form->entity
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SysDept entity = deptConverter.form2Entity(formData);
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entity.setId(deptId);
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// 部门路径
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String treePath = generateDeptTreePath(formData.getParentId());
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entity.setTreePath(treePath);
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// 保存部门并返回部门ID
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this.updateById(entity);
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return entity.getId();
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}
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/**
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* 递归生成部门表格层级列表
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*
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* @param parentId
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* @param deptList
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* @return
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*/
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public static List<Option> recurDeptTreeOptions(long parentId, List<SysDept> deptList) {
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if (CollectionUtil.isEmpty(deptList)) {
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return Collections.EMPTY_LIST;
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}
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List<Option> list = deptList.stream()
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.filter(dept -> dept.getParentId().equals(parentId))
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.map(dept -> {
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Option option = new Option(dept.getId(), dept.getName());
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List<Option> children = recurDeptTreeOptions(dept.getId(), deptList);
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if (CollectionUtil.isNotEmpty(children)) {
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option.setChildren(children);
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}
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return option;
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})
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.collect(Collectors.toList());
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return list;
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}
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/**
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* 删除部门
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*
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* @param ids 部门ID，多个以英文逗号,拼接字符串
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* @return
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*/
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@Override
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public boolean deleteByIds(String ids) {
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// 删除部门及子部门
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Optional.ofNullable(Arrays.stream(ids.split(",")))
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.ifPresent(deptIds -> deptIds.forEach(deptId ->
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this.remove(new LambdaQueryWrapper<SysDept>()
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.eq(SysDept::getId, deptId)
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.or()
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.apply("concat (',',tree_path,',') like concat('%,',{0},',%')", deptId))
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));
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return true;
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}
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/**
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* 获取部门详情
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*
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* @param deptId
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* @return
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*/
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@Override
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public DeptForm getDeptForm(Long deptId) {
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SysDept entity = this.getOne(new LambdaQueryWrapper<SysDept>()
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.eq(SysDept::getId, deptId)
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.select(
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SysDept::getId,
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SysDept::getName,
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SysDept::getParentId,
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SysDept::getStatus,
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SysDept::getSort
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));
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DeptForm deptForm = deptConverter.entity2Form(entity);
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return deptForm;
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}
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/**
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* 部门路径生成
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*
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* @param parentId
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* @return
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*/
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private String generateDeptTreePath(Long parentId) {
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String treePath = null;
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if (SystemConstants.ROOT_NODE_ID.equals(parentId)) {
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treePath = parentId + "";
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} else {
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SysDept parent = this.getById(parentId);
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if (parent != null) {
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treePath = parent.getTreePath() + "," + parent.getId();
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}
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}
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return treePath;
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}
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}
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