package com.nnmzkj.common.dto;import lombok.Data;import java.io.Serializable;import java.util.ArrayList;import java.util.List;@Datapublic class TreeParamDto implements Serializable { private static final long serialVersionUID = -7692266106281926159L; private Long id; private String name; private Long parentId; private Long menuId; //冗余字段 private Integer isParent; private List<TreeParamDto> children ;}
/////////////////package com.nnmzkj.common.utils;import com.nnmzkj.common.dto.BaseTreeGrid;import com.nnmzkj.common.dto.TreeParamDto;import com.nnmzkj.sys.model.SysMenuEntity;import com.nnmzkj.sys.model.SysOrgEntity;import org.springframework.stereotype.Component;import java.util.ArrayList;import java.util.List;@Componentpublic class TreeUtils { /** * 真*树形结构 * @param myId * @param list * @param <T> * @return */ public static <T extends TreeParamDto> List<T> getTreeArray(Long myId,List<T> list){ List<T> result = new ArrayList<T>(); List<T> childList = getChild(myId, list); if (childList.size() >0){ for (T t : childList) { List<T> treeArray = getTreeArray(t.getId(), list); if(t.getChildren() == null) { t.setChildren(new ArrayList<TreeParamDto>()); } for (T t1 : treeArray) { t.getChildren().add(t1); } result.add(t); } } return result; } public static <T extends TreeParamDto> List<T> selectTree(Long myId,List<T> list,List<T> result,String str){ List<T> childList = getChild(myId, list); if (childList.size() >0){ if (myId >0){ str = "|----" + str; } for (T t : childList) { t.setName(str+t.getName()); result.add(t); result = selectTree(t.getId(), list,result,str); } return result; } return result; } /** * 获取子集 * @param list * @param <T> * @return */ public static <T extends TreeParamDto> List<T> getChild(Long myId,List<T> list){ List<T> result = new ArrayList<T>(); if (!StringUtil.isNullOrEmpty(list) && list.size() >0){ for (T t : list) { if (t.getParentId().equals(myId)){ result.add(t); } } } return result; } public static List<SysOrgEntity> selectOrg(List<SysOrgEntity> list){ list = getTreeList(list); for (SysOrgEntity sysOrg : list) { String str =""; Byte level = sysOrg.getLevel(); if (level != 0){ for (int i=0 ;i<sysOrg.getLevel();i++){ str = str + "|----"; } } sysOrg.setName(str+sysOrg.getName()); } return list; } /** * 使列表树结构排序 * @param allList * @return */ public static List<SysOrgEntity> getTreeList(List<SysOrgEntity> allList){ List<SysOrgEntity> rootList = getTreeRootList(0,allList); List<SysOrgEntity> list = new ArrayList<SysOrgEntity>(); for (SysOrgEntity entity : rootList) { list.addAll(getChildList(entity,allList)); } return list ; } /** * 获取所有子机构 * @param parent 父机构 * @param allList 所有列表 * @return */ public static List<SysOrgEntity> getChildList(SysOrgEntity parent,List<SysOrgEntity> allList){ //存放子机构的集合 ArrayList<SysOrgEntity> listChild = new ArrayList<SysOrgEntity>(); listChild.add(parent); for (SysOrgEntity entity : allList) { if(entity.getParentId().equals(parent.getOrgId())) { listChild.addAll(getChildList(entity, allList)) ; } } return listChild ; } /** * 获取根机构集合 * @param rootLevel 根机构等级 * @param allList * @return */ public static List<SysOrgEntity> getTreeRootList(int rootLevel,List<SysOrgEntity> allList){ if(rootLevel>=5){ return null; } List<SysOrgEntity> rootList = new ArrayList<SysOrgEntity>(); for (SysOrgEntity entity : allList) { if(entity.getLevel()==rootLevel){ rootList.add(entity); } } if(rootList.size()>0){ return rootList ; }else{ rootList = getTreeRootList(rootLevel+1,allList); } return rootList; }}
