实体类

package com.ruoyi.system.test;import lombok.Data;import java.util.ArrayList;
import java.util.List;@Data
public class SysDept implements TreeParentNode<SysDept> {private static final long serialVersionUID = 1L;/*** 部门ID*/private Long deptId;/*** 父部门ID*/private Long parentId;/*** 祖级列表*/private String ancestors;/*** 部门名称*/private String deptName;/*** 显示顺序*/private String orderNum;/*** 负责人*/private String leader;/*** 联系电话*/private String phone;/*** 邮箱*/private String email;/*** 部门状态:0正常,1停用*/private String status;/*** 删除标志（0代表存在 2代表删除）*/private String delFlag;/*** 父部门名称*/private String parentName;/*** 子部门*/private List<SysDept> children = new ArrayList<SysDept>();//参考率private String referenceRate;//正确率private String correctRate;private String avg;@Overridepublic String getTreeNodeId() {return String.valueOf(this.deptId);}@Overridepublic String getParentTreeNodeId() {return String.valueOf(this.parentId);}@Overridepublic List<SysDept> getChildTreeNodes() {return children;}}

获取树结构

指定层级、

指定层级之上（向上递归（包含父集所有、爷爷集所有...）（父集单独、爷爷集单独...））、

指定层级之下所有的（子集、孙子集...）

package com.ruoyi.system.test;import com.alibaba.fastjson.JSONObject;
import com.ruoyi.system.api.domain.SysDept;
import org.apache.commons.lang3.StringUtils;import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;/*** @program: isite90* @author: xlk*/
public class TestUtil {static   String aa  = "[{\"deptName\":\"华电国际电力股份有限公司\",\"deptId\":99,\"orderNum\":\"0\",\"delFlag\":\"0\",\"params\":{},\"parentId\":0,\"createBy\":\"admin\",\"children\":[],\"createTime\":1635757852000,\"ancestors\":\"0\",\"status\":\"0\"},{\"deptName\":\"山东分公司\",\"leader\":\"若依\",\"deptId\":100,\"orderNum\":\"0\",\"delFlag\":\"0\",\"params\":{},\"parentId\":99,\"createBy\":\"admin\",\"children\":[],\"createTime\":1626869734000,\"phone\":\"15888888888\",\"ancestors\":\"0,99\",\"email\":\"ry@qq.com\",\"status\":\"0\"},{\"deptName\":\"济南分公司\",\"deptId\":413,\"orderNum\":\"0\",\"delFlag\":\"0\",\"params\":{},\"parentId\":99,\"createBy\":\"admin\",\"children\":[],\"createTime\":1644555443000,\"ancestors\":\"0,99\",\"status\":\"0\"},{\"deptName\":\"莱城发电厂\",\"deptId\":237,\"orderNum\":\"0\",\"delFlag\":\"0\",\"params\":{},\"parentId\":100,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634797157000,\"ancestors\":\"0,99,100\",\"status\":\"0\"},{\"deptName\":\"安全环保部\",\"leader\":\"\",\"deptId\":239,\"orderNum\":\"10\",\"delFlag\":\"0\",\"params\":{},\"parentId\":237,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634797382000,\"ancestors\":\"0,99,100,237\",\"email\":\"\",\"status\":\"0\"},{\"deptName\":\"生产技术部\",\"leader\":\"\",\"deptId\":240,\"orderNum\":\"20\",\"delFlag\":\"0\",\"params\":{},\"parentId\":237,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634797392000,\"ancestors\":\"0,99,100,237\",\"email\":\"\",\"status\":\"0\"},{\"deptName\":\"运行调度部\",\"leader\":\"\",\"deptId\":241,\"orderNum\":\"30\",\"delFlag\":\"0\",\"params\":{},\"parentId\":237,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634797404000,\"ancestors\":\"0,99,100,237\",\"email\":\"\",\"status\":\"0\"},{\"deptName\":\"保卫部\",\"deptId\":407,\"orderNum\":\"31\",\"delFlag\":\"0\",\"params\":{},\"parentId\":237,\"createBy\":\"admin\",\"children\":[],\"createTime\":1642491000000,\"ancestors\":\"0,99,100,237\",\"status\":\"0\"},{\"deptName\":\"运行分场\",\"leader\":\"\",\"deptId\":242,\"orderNum\":\"40\",\"delFlag\":\"0\",\"params\":{},\"parentId\":237,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634797419000,\"ancestors\":\"0,99,100,237\",\"email\":\"\",\"status\":\"0\"},{\"deptName\":\"灰水分场\",\"leader\":\"\",\"deptId\":248,\"orderNum\":\"50\",\"delFlag\":\"0\",\"params\":{},\"parentId\":237,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634797502000,\"ancestors\":\"0,99,100,237\",\"email\":\"\",\"status\":\"0\"},{\"deptName\":\"化水分场\",\"deptId\":260,\"orderNum\":\"60\",\"delFlag\":\"0\",\"params\":{},\"parentId\":237,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798037000,\"ancestors\":\"0,99,100,237\",\"status\":\"0\"},{\"deptName\":\"燃料分场\",\"deptId\":269,\"orderNum\":\"70\",\"delFlag\":\"0\",\"params\":{},\"parentId\":237,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798213000,\"ancestors\":\"0,99,100,237\",\"status\":\"0\"},{\"deptName\":\"燃料质检部\",\"deptId\":281,\"orderNum\":\"80\",\"delFlag\":\"0\",\"params\":{},\"parentId\":237,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798407000,\"ancestors\":\"0,99,100,237\",\"status\":\"0\"},{\"deptName\":\"锅炉队\",\"deptId\":287,\"orderNum\":\"90\",\"delFlag\":\"0\",\"params\":{},\"parentId\":237,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798496000,\"ancestors\":\"0,99,100,237\",\"status\":\"0\"},{\"deptName\":\"汽机队\",\"deptId\":295,\"orderNum\":\"100\",\"delFlag\":\"0\",\"params\":{},\"parentId\":237,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798625000,\"ancestors\":\"0,99,100,237\",\"status\":\"0\"},{\"deptName\":\"电气队\",\"deptId\":302,\"orderNum\":\"110\",\"delFlag\":\"0\",\"params\":{},\"parentId\":237,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798716000,\"ancestors\":\"0,99,100,237\",\"status\":\"0\"},{\"deptName\":\"热控队\",\"deptId\":308,\"orderNum\":\"120\",\"delFlag\":\"0\",\"params\":{},\"parentId\":237,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798804000,\"ancestors\":\"0,99,100,237\",\"status\":\"0\"},{\"deptName\":\"灰检队\",\"deptId\":314,\"orderNum\":\"130\",\"delFlag\":\"0\",\"params\":{},\"parentId\":237,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798921000,\"ancestors\":\"0,99,100,237\",\"status\":\"0\"},{\"deptName\":\"综合队\",\"deptId\":319,\"orderNum\":\"140\",\"delFlag\":\"0\",\"params\":{},\"parentId\":237,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798993000,\"ancestors\":\"0,99,100,237\",\"status\":\"0\"},{\"deptName\":\"行政服务部\",\"deptId\":406,\"orderNum\":\"150\",\"delFlag\":\"0\",\"params\":{},\"parentId\":237,\"createBy\":\"admin\",\"children\":[],\"createTime\":1642490988000,\"ancestors\":\"0,99,100,237\",\"status\":\"0\"},{\"deptName\":\"山东润丰电力建设工程有限公司\",\"leader\":\"张鹏\",\"deptId\":408,\"orderNum\":\"999999\",\"delFlag\":\"0\",\"params\":{},\"parentId\":237,\"createBy\":\"wanghongru\",\"children\":[],\"createTime\":1642493024000,\"phone\":\"19963488085\",\"ancestors\":\"0,99,100,237\",\"status\":\"0\"},{\"deptName\":\"华电水务工程有限公司\",\"leader\":\"李路\",\"deptId\":409,\"orderNum\":\"999999\",\"delFlag\":\"0\",\"params\":{},\"parentId\":237,\"createBy\":\"wanghongru\",\"children\":[],\"createTime\":1642493106000,\"phone\":\"13598852863\",\"ancestors\":\"0,99,100,237\",\"status\":\"0\"},{\"deptName\":\"江苏帝邦建设工程有限公司\",\"leader\":\"公一霏\",\"deptId\":410,\"orderNum\":\"999999\",\"delFlag\":\"0\",\"params\":{},\"parentId\":237,\"createBy\":\"wanghongru\",\"children\":[],\"createTime\":1642493215000,\"phone\":\"18021834444\",\"ancestors\":\"0,99,100,237\",\"status\":\"0\"},{\"deptName\":\"监理单位\",\"leader\":\"监理单位\",\"deptId\":411,\"orderNum\":\"999999\",\"delFlag\":\"0\",\"params\":{},\"parentId\":237,\"createBy\":\"zhangmeng\",\"children\":[],\"createTime\":1642560312000,\"phone\":\"15512345678\",\"ancestors\":\"0,99,100,237\",\"status\":\"0\"},{\"deptName\":\"分包\",\"leader\":\"分包\",\"deptId\":412,\"orderNum\":\"999999\",\"delFlag\":\"0\",\"params\":{},\"parentId\":237,\"createBy\":\"18021834444\",\"children\":[],\"createTime\":1642560403000,\"phone\":\"15512345679\",\"ancestors\":\"0,99,100,237\",\"status\":\"0\"},{\"deptName\":\"运行甲班\",\"leader\":\"\",\"deptId\":243,\"orderNum\":\"10\",\"delFlag\":\"0\",\"params\":{},\"parentId\":242,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634797434000,\"ancestors\":\"0,99,100,237,242\",\"email\":\"\",\"status\":\"0\"},{\"deptName\":\"运行乙班\",\"leader\":\"\",\"deptId\":244,\"orderNum\":\"20\",\"delFlag\":\"0\",\"params\":{},\"parentId\":242,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634797451000,\"ancestors\":\"0,99,100,237,242\",\"email\":\"\",\"status\":\"0\"},{\"deptName\":\"运行丙班\",\"leader\":\"\",\"deptId\":245,\"orderNum\":\"30\",\"delFlag\":\"0\",\"params\":{},\"parentId\":242,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634797461000,\"ancestors\":\"0,99,100,237,242\",\"email\":\"\",\"status\":\"0\"},{\"deptName\":\"运行丁班\",\"leader\":\"\",\"deptId\":246,\"orderNum\":\"40\",\"delFlag\":\"0\",\"params\":{},\"parentId\":242,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634797472000,\"ancestors\":\"0,99,100,237,242\",\"email\":\"\",\"status\":\"0\"},{\"deptName\":\"运行戊班\",\"leader\":\"\",\"deptId\":247,\"orderNum\":\"50\",\"delFlag\":\"0\",\"params\":{},\"parentId\":242,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634797486000,\"ancestors\":\"0,99,100,237,242\",\"email\":\"\",\"status\":\"0\"},{\"deptName\":\"灰水甲班\",\"leader\":\"\",\"deptId\":249,\"orderNum\":\"10\",\"delFlag\":\"0\",\"params\":{},\"parentId\":248,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634797515000,\"ancestors\":\"0,99,100,237,248\",\"email\":\"\",\"status\":\"0\"},{\"deptName\":\"灰水乙班\",\"leader\":\"\",\"deptId\":250,\"orderNum\":\"20\",\"delFlag\":\"0\",\"params\":{},\"parentId\":248,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634797593000,\"ancestors\":\"0,99,100,237,248\",\"email\":\"\",\"status\":\"0\"},{\"deptName\":\"灰水丙班\",\"leader\":\"\",\"deptId\":251,\"orderNum\":\"30\",\"delFlag\":\"0\",\"params\":{},\"parentId\":248,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634797603000,\"ancestors\":\"0,99,100,237,248\",\"email\":\"\",\"status\":\"0\"},{\"deptName\":\"灰水丁班\",\"leader\":\"\",\"deptId\":252,\"orderNum\":\"40\",\"delFlag\":\"0\",\"params\":{},\"parentId\":248,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634797612000,\"ancestors\":\"0,99,100,237,248\",\"email\":\"\",\"status\":\"0\"},{\"deptName\":\"灰水戊班\",\"leader\":\"\",\"deptId\":253,\"orderNum\":\"50\",\"delFlag\":\"0\",\"params\":{},\"parentId\":248,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634797622000,\"ancestors\":\"0,99,100,237,248\",\"email\":\"\",\"status\":\"0\"},{\"deptName\":\"水源地班\",\"leader\":\"\",\"deptId\":254,\"orderNum\":\"60\",\"delFlag\":\"0\",\"params\":{},\"parentId\":248,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634797632000,\"ancestors\":\"0,99,100,237,248\",\"email\":\"\",\"status\":\"0\"},{\"deptName\":\"脱硫甲班\",\"leader\":\"\",\"deptId\":255,\"orderNum\":\"70\",\"delFlag\":\"0\",\"params\":{},\"parentId\":248,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634797645000,\"ancestors\":\"0,99,100,237,248\",\"email\":\"\",\"status\":\"0\"},{\"deptName\":\"脱硫乙班\",\"leader\":\"\",\"deptId\":256,\"orderNum\":\"80\",\"delFlag\":\"0\",\"params\":{},\"parentId\":248,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634797657000,\"ancestors\":\"0,99,100,237,248\",\"email\":\"\",\"status\":\"0\"},{\"deptName\":\"脱硫丙班\",\"leader\":\"\",\"deptId\":257,\"orderNum\":\"90\",\"delFlag\":\"0\",\"params\":{},\"parentId\":248,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634797667000,\"ancestors\":\"0,99,100,237,248\",\"email\":\"\",\"status\":\"0\"},{\"deptName\":\"脱硫丁班\",\"leader\":\"\",\"deptId\":258,\"orderNum\":\"100\",\"delFlag\":\"0\",\"params\":{},\"parentId\":248,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634797683000,\"ancestors\":\"0,99,100,237,248\",\"email\":\"\",\"status\":\"0\"},{\"deptName\":\"脱硫戊班\",\"deptId\":259,\"orderNum\":\"110\",\"delFlag\":\"0\",\"params\":{},\"parentId\":248,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798005000,\"ancestors\":\"0,99,100,237,248\",\"status\":\"0\"},{\"deptName\":\"化验班\",\"deptId\":261,\"orderNum\":\"10\",\"delFlag\":\"0\",\"params\":{},\"parentId\":260,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798091000,\"ancestors\":\"0,99,100,237,260\",\"status\":\"0\"},{\"deptName\":\"制氢站\",\"deptId\":262,\"orderNum\":\"20\",\"delFlag\":\"0\",\"params\":{},\"parentId\":260,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798105000,\"ancestors\":\"0,99,100,237,260\",\"status\":\"0\"},{\"deptName\":\"运行甲班\",\"deptId\":263,\"orderNum\":\"30\",\"delFlag\":\"0\",\"params\":{},\"parentId\":260,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798118000,\"ancestors\":\"0,99,100,237,260\",\"status\":\"0\"},{\"deptName\":\"运行乙班\",\"deptId\":264,\"orderNum\":\"40\",\"delFlag\":\"0\",\"params\":{},\"parentId\":260,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798134000,\"ancestors\":\"0,99,100,237,260\",\"status\":\"0\"},{\"deptName\":\"运行丙班\",\"deptId\":265,\"orderNum\":\"50\",\"delFlag\":\"0\",\"params\":{},\"parentId\":260,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798144000,\"ancestors\":\"0,99,100,237,260\",\"status\":\"0\"},{\"deptName\":\"运行丁班\",\"deptId\":266,\"orderNum\":\"60\",\"delFlag\":\"0\",\"params\":{},\"parentId\":260,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798156000,\"ancestors\":\"0,99,100,237,260\",\"status\":\"0\"},{\"deptName\":\"运行戊班\",\"deptId\":267,\"orderNum\":\"70\",\"delFlag\":\"0\",\"params\":{},\"parentId\":260,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798169000,\"ancestors\":\"0,99,100,237,260\",\"status\":\"0\"},{\"deptName\":\"化学运行\",\"deptId\":268,\"orderNum\":\"80\",\"delFlag\":\"0\",\"params\":{},\"parentId\":260,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798192000,\"ancestors\":\"0,99,100,237,260\",\"status\":\"0\"},{\"deptName\":\"调度室\",\"deptId\":271,\"orderNum\":\"10\",\"delFlag\":\"0\",\"params\":{},\"parentId\":269,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798261000,\"ancestors\":\"0,99,100,237,269\",\"status\":\"0\"},{\"deptName\":\"运行甲班\",\"deptId\":272,\"orderNum\":\"20\",\"delFlag\":\"0\",\"params\":{},\"parentId\":269,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798272000,\"ancestors\":\"0,99,100,237,269\",\"status\":\"0\"},{\"deptName\":\"运行乙班\",\"deptId\":273,\"orderNum\":\"30\",\"delFlag\":\"0\",\"params\":{},\"parentId\":269,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798282000,\"ancestors\":\"0,99,100,237,269\",\"status\":\"0\"},{\"deptName\":\"运行丙班\",\"deptId\":274,\"orderNum\":\"40\",\"delFlag\":\"0\",\"params\":{},\"parentId\":269,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798315000,\"ancestors\":\"0,99,100,237,269\",\"status\":\"0\"},{\"deptName\":\"运行丁班\",\"deptId\":275,\"orderNum\":\"50\",\"delFlag\":\"0\",\"params\":{},\"parentId\":269,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798328000,\"ancestors\":\"0,99,100,237,269\",\"status\":\"0\"},{\"deptName\":\"运行戊班\",\"deptId\":276,\"orderNum\":\"60\",\"delFlag\":\"0\",\"params\":{},\"parentId\":269,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798343000,\"ancestors\":\"0,99,100,237,269\",\"status\":\"0\"},{\"deptName\":\"系统班\",\"deptId\":277,\"orderNum\":\"70\",\"delFlag\":\"0\",\"params\":{},\"parentId\":269,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798356000,\"ancestors\":\"0,99,100,237,269\",\"status\":\"0\"},{\"deptName\":\"电工班\",\"deptId\":278,\"orderNum\":\"80\",\"delFlag\":\"0\",\"params\":{},\"parentId\":269,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798366000,\"ancestors\":\"0,99,100,237,269\",\"status\":\"0\"},{\"deptName\":\"机修班\",\"deptId\":279,\"orderNum\":\"90\",\"delFlag\":\"0\",\"params\":{},\"parentId\":269,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798377000,\"ancestors\":\"0,99,100,237,269\",\"status\":\"0\"},{\"deptName\":\"煤管班\",\"deptId\":280,\"orderNum\":\"100\",\"delFlag\":\"0\",\"params\":{},\"parentId\":269,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798391000,\"ancestors\":\"0,99,100,237,269\",\"status\":\"0\"},{\"deptName\":\"采样班\",\"deptId\":282,\"orderNum\":\"10\",\"delFlag\":\"0\",\"params\":{},\"parentId\":281,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798425000,\"ancestors\":\"0,99,100,237,281\",\"status\":\"0\"},{\"deptName\":\"制样班\",\"deptId\":283,\"orderNum\":\"20\",\"delFlag\":\"0\",\"params\":{},\"parentId\":281,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798444000,\"ancestors\":\"0,99,100,237,281\",\"status\":\"0\"},{\"deptName\":\"化验班\",\"deptId\":284,\"orderNum\":\"30\",\"delFlag\":\"0\",\"params\":{},\"parentId\":281,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798456000,\"ancestors\":\"0,99,100,237,281\",\"status\":\"0\"},{\"deptName\":\"铁路班\",\"deptId\":285,\"orderNum\":\"40\",\"delFlag\":\"0\",\"params\":{},\"parentId\":281,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798469000,\"ancestors\":\"0,99,100,237,281\",\"status\":\"0\"},{\"deptName\":\"计量班\",\"deptId\":286,\"orderNum\":\"50\",\"delFlag\":\"0\",\"params\":{},\"parentId\":281,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798481000,\"ancestors\":\"0,99,100,237,281\",\"status\":\"0\"},{\"deptName\":\"磨煤机班\",\"deptId\":288,\"orderNum\":\"10\",\"delFlag\":\"0\",\"params\":{},\"parentId\":287,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798512000,\"ancestors\":\"0,99,100,237,287\",\"status\":\"0\"},{\"deptName\":\"风机班\",\"deptId\":289,\"orderNum\":\"20\",\"delFlag\":\"0\",\"params\":{},\"parentId\":287,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798521000,\"ancestors\":\"0,99,100,237,287\",\"status\":\"0\"},{\"deptName\":\"本体班\",\"deptId\":290,\"orderNum\":\"30\",\"delFlag\":\"0\",\"params\":{},\"parentId\":287,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798532000,\"ancestors\":\"0,99,100,237,287\",\"status\":\"0\"},{\"deptName\":\"管阀班\",\"deptId\":291,\"orderNum\":\"40\",\"delFlag\":\"0\",\"params\":{},\"parentId\":287,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798544000,\"ancestors\":\"0,99,100,237,287\",\"status\":\"0\"},{\"deptName\":\"焊工班\",\"deptId\":292,\"orderNum\":\"50\",\"delFlag\":\"0\",\"params\":{},\"parentId\":287,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798557000,\"ancestors\":\"0,99,100,237,287\",\"status\":\"0\"},{\"deptName\":\"综合班\",\"deptId\":293,\"orderNum\":\"60\",\"delFlag\":\"0\",\"params\":{},\"parentId\":287,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798571000,\"ancestors\":\"0,99,100,237,287\",\"status\":\"0\"},{\"deptName\":\"本体班\",\"deptId\":296,\"orderNum\":\"10\",\"delFlag\":\"0\",\"params\":{},\"parentId\":295,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798641000,\"ancestors\":\"0,99,100,237,295\",\"status\":\"0\"},{\"deptName\":\"调速班\",\"deptId\":297,\"orderNum\":\"20\",\"delFlag\":\"0\",\"params\":{},\"parentId\":295,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798652000,\"ancestors\":\"0,99,100,237,295\",\"status\":\"0\"},{\"deptName\":\"水泵班\",\"deptId\":298,\"orderNum\":\"30\",\"delFlag\":\"0\",\"params\":{},\"parentId\":295,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798662000,\"ancestors\":\"0,99,100,237,295\",\"status\":\"0\"},{\"deptName\":\"辅机班\",\"deptId\":299,\"orderNum\":\"40\",\"delFlag\":\"0\",\"params\":{},\"parentId\":295,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798673000,\"ancestors\":\"0,99,100,237,295\",\"status\":\"0\"},{\"deptName\":\"化检班\",\"deptId\":300,\"orderNum\":\"50\",\"delFlag\":\"0\",\"params\":{},\"parentId\":295,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798685000,\"ancestors\":\"0,99,100,237,295\",\"status\":\"0\"},{\"deptName\":\"保洁班\",\"deptId\":301,\"orderNum\":\"60\",\"delFlag\":\"0\",\"params\":{},\"parentId\":295,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798698000,\"ancestors\":\"0,99,100,237,295\",\"status\":\"0\"},{\"deptName\":\"继电保护班\",\"deptId\":303,\"orderNum\":\"10\",\"delFlag\":\"0\",\"params\":{},\"parentId\":302,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798736000,\"ancestors\":\"0,99,100,237,302\",\"status\":\"0\"},{\"deptName\":\"配电班\",\"deptId\":304,\"orderNum\":\"20\",\"delFlag\":\"0\",\"params\":{},\"parentId\":302,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798747000,\"ancestors\":\"0,99,100,237,302\",\"status\":\"0\"},{\"deptName\":\"高压试验班\",\"deptId\":305,\"orderNum\":\"30\",\"delFlag\":\"0\",\"params\":{},\"parentId\":302,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798759000,\"ancestors\":\"0,99,100,237,302\",\"status\":\"0\"},{\"deptName\":\"通讯班\",\"deptId\":306,\"orderNum\":\"40\",\"delFlag\":\"0\",\"params\":{},\"parentId\":302,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798771000,\"ancestors\":\"0,99,100,237,302\",\"status\":\"0\"},{\"deptName\":\"电机班\",\"deptId\":307,\"orderNum\":\"50\",\"delFlag\":\"0\",\"params\":{},\"parentId\":302,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798787000,\"ancestors\":\"0,99,100,237,302\",\"status\":\"0\"},{\"deptName\":\"试验班\",\"deptId\":309,\"orderNum\":\"10\",\"delFlag\":\"0\",\"params\":{},\"parentId\":308,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798821000,\"ancestors\":\"0,99,100,237,308\",\"status\":\"0\"},{\"deptName\":\"炉控班\",\"deptId\":310,\"orderNum\":\"20\",\"delFlag\":\"0\",\"params\":{},\"parentId\":308,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798831000,\"ancestors\":\"0,99,100,237,308\",\"status\":\"0\"},{\"deptName\":\"机控班\",\"deptId\":311,\"orderNum\":\"30\",\"delFlag\":\"0\",\"params\":{},\"parentId\":308,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798843000,\"ancestors\":\"0,99,100,237,308\",\"status\":\"0\"},{\"deptName\":\"工程师站\",\"deptId\":312,\"orderNum\":\"40\",\"delFlag\":\"0\",\"params\":{},\"parentId\":308,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798856000,\"ancestors\":\"0,99,100,237,308\",\"status\":\"0\"},{\"deptName\":\"辅控班\",\"deptId\":313,\"orderNum\":\"50\",\"delFlag\":\"0\",\"params\":{},\"parentId\":308,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798867000,\"ancestors\":\"0,99,100,237,308\",\"status\":\"0\"},{\"deptName\":\"脱硫班\",\"deptId\":315,\"orderNum\":\"10\",\"delFlag\":\"0\",\"params\":{},\"parentId\":314,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798938000,\"ancestors\":\"0,99,100,237,314\",\"status\":\"0\"},{\"deptName\":\"综合班\",\"deptId\":316,\"orderNum\":\"20\",\"delFlag\":\"0\",\"params\":{},\"parentId\":314,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798948000,\"ancestors\":\"0,99,100,237,314\",\"status\":\"0\"},{\"deptName\":\"机械班\",\"deptId\":317,\"orderNum\":\"30\",\"delFlag\":\"0\",\"params\":{},\"parentId\":314,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798959000,\"ancestors\":\"0,99,100,237,314\",\"status\":\"0\"},{\"deptName\":\"泵班\",\"deptId\":318,\"orderNum\":\"40\",\"delFlag\":\"0\",\"params\":{},\"parentId\":314,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798970000,\"ancestors\":\"0,99,100,237,314\",\"status\":\"0\"},{\"deptName\":\"车辆调度班\",\"deptId\":320,\"orderNum\":\"10\",\"delFlag\":\"0\",\"params\":{},\"parentId\":319,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634799916000,\"ancestors\":\"0,99,100,237,319\",\"status\":\"0\"},{\"deptName\":\"维护班\",\"deptId\":321,\"orderNum\":\"20\",\"delFlag\":\"0\",\"params\":{},\"parentId\":319,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634799927000,\"ancestors\":\"0,99,100,237,319\",\"status\":\"0\"},{\"deptName\":\"土建班\",\"deptId\":322,\"orderNum\":\"30\",\"delFlag\":\"0\",\"params\":{},\"parentId\":319,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634799937000,\"ancestors\":\"0,99,100,237,319\",\"status\":\"0\"},{\"deptName\":\"安装班\",\"deptId\":323,\"orderNum\":\"40\",\"delFlag\":\"0\",\"params\":{},\"parentId\":319,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634799947000,\"ancestors\":\"0,99,100,237,319\",\"status\":\"0\"},{\"deptName\":\"维修班\",\"deptId\":324,\"orderNum\":\"50\",\"delFlag\":\"0\",\"params\":{},\"parentId\":319,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634799957000,\"ancestors\":\"0,99,100,237,319\",\"status\":\"0\"},{\"deptName\":\"保洁班\",\"deptId\":325,\"orderNum\":\"60\",\"delFlag\":\"0\",\"params\":{},\"parentId\":319,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634799969000,\"ancestors\":\"0,99,100,237,319\",\"status\":\"0\"},{\"deptName\":\"历下发电厂\",\"deptId\":414,\"orderNum\":\"0\",\"delFlag\":\"0\",\"params\":{},\"parentId\":413,\"createBy\":\"admin\",\"children\":[],\"createTime\":1644555476000,\"ancestors\":\"0,99,413\",\"status\":\"0\"},{\"deptName\":\"高新研发部\",\"deptId\":415,\"orderNum\":\"0\",\"delFlag\":\"0\",\"params\":{},\"parentId\":413,\"createBy\":\"admin\",\"children\":[],\"createTime\":1644555503000,\"ancestors\":\"0,99,413\",\"status\":\"0\"},{\"deptName\":\"电厂001\",\"deptId\":416,\"orderNum\":\"0\",\"delFlag\":\"0\",\"params\":{},\"parentId\":414,\"createBy\":\"admin\",\"children\":[],\"createTime\":1644555533000,\"ancestors\":\"0,99,413,414\",\"status\":\"0\"},{\"deptName\":\"电厂002\",\"deptId\":417,\"orderNum\":\"0\",\"delFlag\":\"0\",\"params\":{},\"parentId\":414,\"createBy\":\"admin\",\"children\":[],\"createTime\":1644555541000,\"ancestors\":\"0,99,413,414\",\"status\":\"0\"},{\"deptName\":\"研发部001\",\"deptId\":418,\"orderNum\":\"0\",\"delFlag\":\"0\",\"params\":{},\"parentId\":415,\"createBy\":\"admin\",\"children\":[],\"createTime\":1644555562000,\"ancestors\":\"0,99,413,415\",\"status\":\"0\"},{\"deptName\":\"研发部002\",\"deptId\":419,\"orderNum\":\"0\",\"delFlag\":\"0\",\"params\":{},\"parentId\":415,\"createBy\":\"admin\",\"children\":[],\"createTime\":1644555570000,\"ancestors\":\"0,99,413,415\",\"status\":\"0\"},{\"deptName\":\"研发部003\",\"deptId\":420,\"orderNum\":\"0\",\"delFlag\":\"0\",\"params\":{},\"parentId\":415,\"createBy\":\"admin\",\"children\":[],\"createTime\":1644555575000,\"ancestors\":\"0,99,413,415\",\"status\":\"0\"}]";// ===============   向下查询 子集(子集全部、孙子集全部......)@org.junit.Testpublic void getChildrenTest(){List<SysDept> sysDepts = JSONObject.parseArray(aa, SysDept.class);SysDept dept = new SysDept();dept.setDeptId(237L);int count = 0;List<SysDept> childrenList = new ArrayList<>();getChildren(dept, sysDepts,childrenList);for (SysDept sysDept : childrenList) {count += 1 ;System.out.println(sysDept.getDeptName() + "  ========== " + sysDept.getParentId() + " ===  " + count );}}//获取子集(子集全部、孙子集全部......)public static void getChildren(SysDept dept, List<SysDept> list, List<SysDept> dataList) {for (SysDept sysDept : list) {if (sysDept.getParentId().equals(dept.getDeptId())) {dataList.add(sysDept);getChildren(sysDept, list, dataList);}}}// ===============   向上查询父集（直属父级）元素 一直到最顶级@org.junit.Testpublic void getParentTest(){List<SysDept> sysDepts = JSONObject.parseArray(aa, SysDept.class);SysDept dept = new SysDept();int count = 0;dept.setParentId(242L);List<SysDept> dataList = new ArrayList<>();getParent(dept, sysDepts,dataList );for (SysDept sysDept : dataList) {count += 1 ;System.out.println(sysDept.getDeptName() + "  ========== " + sysDept.getParentId() + " ===  " + count );}}public static void getParent(SysDept dept, List<SysDept> list, List<SysDept> dataList) {for (SysDept sysDept : list) {if (sysDept.getDeptId().equals(dept.getParentId())) {dataList.add(sysDept);getParent(sysDept, list, dataList);}}}//  获取 当前 层级 或者 所有父级、祖父级 ...     1 所有父集   2 当前层级@org.junit.Testpublic void getBrotherListTest(){List<SysDept> sysDepts = JSONObject.parseArray(aa, SysDept.class);SysDept dept = new SysDept();dept.setDeptId(242L);int count = 0;//   1 所有父集   2 当前层级int  type = 2;List<SysDept> parentList = getBrotherList(dept, sysDepts,type);for (SysDept sysDept : parentList) {count += 1 ;System.out.println(sysDept.getDeptName() + "  ========== " + sysDept.getParentId() + " ===  " + count );}}//获取父集 （父集所有 、爷爷集所有 ....） ； 传入某个层级  向上查询（ 指定层级之上 （包含指定层级的同级）） 1 所有父集   2 当前等级public static List<SysDept> getBrotherList(SysDept dept, List<SysDept> list,int type) {List<SysDept> dataList = new ArrayList<>();String oldAncestors = "";//  通过层级id查询对应的层级码for (SysDept sysDept : list) {if( sysDept.getDeptId().equals(dept.getDeptId())){oldAncestors = sysDept.getAncestors();}}//获取目标层级码的  ， 号 数量int oldCountStr = countStr(oldAncestors, ",");for (SysDept sysDept : list) {if(StringUtils.isNotBlank( sysDept.getAncestors())) {String ancestors = sysDept.getAncestors();int newCountStr = countStr(ancestors, ",");if( type == 2){if(newCountStr == oldCountStr){dataList.add(sysDept);}}else if( type == 1){if(newCountStr <= oldCountStr){dataList.add(sysDept);}}}}return dataList;}/*** 判断字符串中某个字符存在的个数* @param str1  完整字符串* @param str2  要统计匹配个数的字符* @return*/public static int countStr(String str1, String str2) {int count=0;if (str1.indexOf(str2) == -1) {return 0;}while(str1.indexOf(str2)!=-1){count++;str1=str1.substring(str1.indexOf(str2)+str2.length());}return count;}// 递归获取当前元素的所有子元素，通过 lambda 表达式遍历的@org.junit.Testpublic void listWithTree() {//1、查出所有分类List<SysDept> entities = JSONObject.parseArray(aa, SysDept.class);List<SysDept> returnData = new ArrayList<>();//2.1）、找到所有的一级分类List<SysDept> level1Menus = entities.stream().filter(entity ->entity.getDeptId().equals(237L)).map((dept) -> {dept.setChildren(getChildrensss(dept, entities,returnData));return dept;}).collect(Collectors.toList());for (SysDept dept : returnData) {System.out.println(dept.getDeptName() + " ============== " + dept.getDeptId());}}//递归查找所有菜单的子菜单private List<SysDept> getChildrensss(SysDept root,List<SysDept> all, List<SysDept> returnDatas ){List<SysDept> children = all.stream().filter(categoryEntity -> {return categoryEntity.getParentId().equals(root.getDeptId());}).map(sysDept -> {//1、找到子菜单sysDept.setChildren(getChildrensss(sysDept,all,returnDatas));returnDatas.add(sysDept);return sysDept;}).collect(Collectors.toList());return children;}}

集合转树结构

工具类接口

package com.ruoyi.system.test;import com.alibaba.fastjson.annotation.JSONField;import java.util.List;/*** 通过id/ParentId方式* 实现树形结构的List转树形结构的定义接口** @author mengqiang*/
public interface TreeParentNode<T> {/*** 获取树形结构当前节点的标识* 注：不参与 json序列化** @return*/@JSONField(serialize = false)String getTreeNodeId();/*** 获取树形结构当前节点父节点的标识* 注：不参与 json序列化** @return*/@JSONField(serialize = false)String getParentTreeNodeId();/*** 获取树形结构当前节点的所有子节点* 注：不参与 json序列化** @return*/@JSONField(serialize = false)List<T> getChildTreeNodes();
}

转换工具类

package com.ruoyi.system.test;import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;/*** List转树形结构工具类 泛型对象必须继承*/
public class ListToTreeUtil<T extends TreeParentNode> {/*** 获取树形结构对象*/public T getTreeObject(List<T> objectList) {Map<String, T> objectMap = new HashMap<>();//第一次遍历列表，将列表转成Mapfor (T object : objectList) {objectMap.put(object.getTreeNodeId(), object);}T root = null;//第二次遍历列表，设置父子关系for (T object : objectList) {//获取当前节点对象的父节点标识String key = object.getParentTreeNodeId();if (key == null || !objectMap.containsKey(key)) {root = object;} else {//如果包含父节点标识的Key则获取父对象T parentObj = objectMap.get(key);//将当前节点保存入父对象子节点集合中parentObj.getChildTreeNodes().add(object);}}return root;}/*** @param nodes* @return*/public List<T> getTreeListObject(List<T> nodes) {List<T> result = new ArrayList<T>();Map<String, T> nodeMap = new HashMap<>();//第一次遍历列表，将列表转成Mapfor (T node : nodes) {nodeMap.put(node.getTreeNodeId(), node);}//第二次遍历列表，设置父子关系for (T node : nodes) {//获取当前节点对象的父节点标识String key = node.getParentTreeNodeId();if (nodeMap.containsKey(key)) {//如果包含父节点标识的Key则获取父对象T parentObj = nodeMap.get(key);//将当前节点保存入父对象子节点集合中parentObj.getChildTreeNodes().add(node);} else {//父节点标识的Key不存在表示当前节点是根节点result.add(node);}}return result;}
}

测试代码

package com.ruoyi.system.test;import com.alibaba.fastjson.JSON;import java.util.List;/*** @program: isite90* @author: xlk*/
public class ListToTree {private static final String JSON_STR   = "[{\"deptName\":\"华电国际电力股份有限公司\",\"deptId\":99,\"orderNum\":\"0\",\"delFlag\":\"0\",\"params\":{},\"parentId\":0,\"createBy\":\"admin\",\"children\":[],\"createTime\":1635757852000,\"ancestors\":\"0\",\"status\":\"0\"},{\"deptName\":\"山东分公司\",\"leader\":\"若依\",\"deptId\":100,\"orderNum\":\"0\",\"delFlag\":\"0\",\"params\":{},\"parentId\":99,\"createBy\":\"admin\",\"children\":[],\"createTime\":1626869734000,\"phone\":\"15888888888\",\"ancestors\":\"0,99\",\"email\":\"ry@qq.com\",\"status\":\"0\"},{\"deptName\":\"济南分公司\",\"deptId\":413,\"orderNum\":\"0\",\"delFlag\":\"0\",\"params\":{},\"parentId\":99,\"createBy\":\"admin\",\"children\":[],\"createTime\":1644555443000,\"ancestors\":\"0,99\",\"status\":\"0\"},{\"deptName\":\"莱城发电厂\",\"deptId\":237,\"orderNum\":\"0\",\"delFlag\":\"0\",\"params\":{},\"parentId\":100,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634797157000,\"ancestors\":\"0,99,100\",\"status\":\"0\"},{\"deptName\":\"安全环保部\",\"leader\":\"\",\"deptId\":239,\"orderNum\":\"10\",\"delFlag\":\"0\",\"params\":{},\"parentId\":237,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634797382000,\"ancestors\":\"0,99,100,237\",\"email\":\"\",\"status\":\"0\"},{\"deptName\":\"生产技术部\",\"leader\":\"\",\"deptId\":240,\"orderNum\":\"20\",\"delFlag\":\"0\",\"params\":{},\"parentId\":237,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634797392000,\"ancestors\":\"0,99,100,237\",\"email\":\"\",\"status\":\"0\"},{\"deptName\":\"运行调度部\",\"leader\":\"\",\"deptId\":241,\"orderNum\":\"30\",\"delFlag\":\"0\",\"params\":{},\"parentId\":237,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634797404000,\"ancestors\":\"0,99,100,237\",\"email\":\"\",\"status\":\"0\"},{\"deptName\":\"保卫部\",\"deptId\":407,\"orderNum\":\"31\",\"delFlag\":\"0\",\"params\":{},\"parentId\":237,\"createBy\":\"admin\",\"children\":[],\"createTime\":1642491000000,\"ancestors\":\"0,99,100,237\",\"status\":\"0\"},{\"deptName\":\"运行分场\",\"leader\":\"\",\"deptId\":242,\"orderNum\":\"40\",\"delFlag\":\"0\",\"params\":{},\"parentId\":237,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634797419000,\"ancestors\":\"0,99,100,237\",\"email\":\"\",\"status\":\"0\"},{\"deptName\":\"灰水分场\",\"leader\":\"\",\"deptId\":248,\"orderNum\":\"50\",\"delFlag\":\"0\",\"params\":{},\"parentId\":237,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634797502000,\"ancestors\":\"0,99,100,237\",\"email\":\"\",\"status\":\"0\"},{\"deptName\":\"化水分场\",\"deptId\":260,\"orderNum\":\"60\",\"delFlag\":\"0\",\"params\":{},\"parentId\":237,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798037000,\"ancestors\":\"0,99,100,237\",\"status\":\"0\"},{\"deptName\":\"燃料分场\",\"deptId\":269,\"orderNum\":\"70\",\"delFlag\":\"0\",\"params\":{},\"parentId\":237,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798213000,\"ancestors\":\"0,99,100,237\",\"status\":\"0\"},{\"deptName\":\"燃料质检部\",\"deptId\":281,\"orderNum\":\"80\",\"delFlag\":\"0\",\"params\":{},\"parentId\":237,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798407000,\"ancestors\":\"0,99,100,237\",\"status\":\"0\"},{\"deptName\":\"锅炉队\",\"deptId\":287,\"orderNum\":\"90\",\"delFlag\":\"0\",\"params\":{},\"parentId\":237,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798496000,\"ancestors\":\"0,99,100,237\",\"status\":\"0\"},{\"deptName\":\"汽机队\",\"deptId\":295,\"orderNum\":\"100\",\"delFlag\":\"0\",\"params\":{},\"parentId\":237,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798625000,\"ancestors\":\"0,99,100,237\",\"status\":\"0\"},{\"deptName\":\"电气队\",\"deptId\":302,\"orderNum\":\"110\",\"delFlag\":\"0\",\"params\":{},\"parentId\":237,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798716000,\"ancestors\":\"0,99,100,237\",\"status\":\"0\"},{\"deptName\":\"热控队\",\"deptId\":308,\"orderNum\":\"120\",\"delFlag\":\"0\",\"params\":{},\"parentId\":237,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798804000,\"ancestors\":\"0,99,100,237\",\"status\":\"0\"},{\"deptName\":\"灰检队\",\"deptId\":314,\"orderNum\":\"130\",\"delFlag\":\"0\",\"params\":{},\"parentId\":237,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798921000,\"ancestors\":\"0,99,100,237\",\"status\":\"0\"},{\"deptName\":\"综合队\",\"deptId\":319,\"orderNum\":\"140\",\"delFlag\":\"0\",\"params\":{},\"parentId\":237,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798993000,\"ancestors\":\"0,99,100,237\",\"status\":\"0\"},{\"deptName\":\"行政服务部\",\"deptId\":406,\"orderNum\":\"150\",\"delFlag\":\"0\",\"params\":{},\"parentId\":237,\"createBy\":\"admin\",\"children\":[],\"createTime\":1642490988000,\"ancestors\":\"0,99,100,237\",\"status\":\"0\"},{\"deptName\":\"山东润丰电力建设工程有限公司\",\"leader\":\"张鹏\",\"deptId\":408,\"orderNum\":\"999999\",\"delFlag\":\"0\",\"params\":{},\"parentId\":237,\"createBy\":\"wanghongru\",\"children\":[],\"createTime\":1642493024000,\"phone\":\"19963488085\",\"ancestors\":\"0,99,100,237\",\"status\":\"0\"},{\"deptName\":\"华电水务工程有限公司\",\"le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"deptId\":259,\"orderNum\":\"110\",\"delFlag\":\"0\",\"params\":{},\"parentId\":248,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798005000,\"ancestors\":\"0,99,100,237,248\",\"status\":\"0\"},{\"deptName\":\"化验班\",\"deptId\":261,\"orderNum\":\"10\",\"delFlag\":\"0\",\"params\":{},\"parentId\":260,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798091000,\"ancestors\":\"0,99,100,237,260\",\"status\":\"0\"},{\"deptName\":\"制氢站\",\"deptId\":262,\"orderNum\":\"20\",\"delFlag\":\"0\",\"params\":{},\"parentId\":260,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798105000,\"ancestors\":\"0,99,100,237,260\",\"status\":\"0\"},{\"deptName\":\"运行甲班\",\"deptId\":263,\"orderNum\":\"30\",\"delFlag\":\"0\",\"params\":{},\"parentId\":260,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798118000,\"ancestors\":\"0,99,100,237,260\",\"status\":\"0\"},{\"deptName\":\"运行乙班\",\"deptId\":264,\"orderNum\":\"40\",\"delFlag\":\"0\",\"params\":{},\"parentId\":260,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798134000,\"ancestors\":\"0,99,100,237,260\",\"status\":\"0\"},{\"deptName\":\"运行丙班\",\"deptId\":265,\"orderNum\":\"50\",\"delFlag\":\"0\",\"params\":{},\"parentId\":260,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798144000,\"ancestors\":\"0,99,100,237,260\",\"status\":\"0\"},{\"deptName\":\"运行丁班\",\"deptId\":266,\"orderNum\":\"60\",\"delFlag\":\"0\",\"params\":{},\"parentId\":260,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798156000,\"ancestors\":\"0,99,100,237,260\",\"status\":\"0\"},{\"deptName\":\"运行戊班\",\"deptId\":267,\"orderNum\":\"70\",\"delFlag\":\"0\",\"params\":{},\"parentId\":260,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798169000,\"ancestors\":\"0,99,100,237,260\",\"status\":\"0\"},{\"deptName\":\"化学运行\",\"deptId\":268,\"orderNum\":\"80\",\"delFlag\":\"0\",\"params\":{},\"parentId\":260,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798192000,\"ancestors\":\"0,99,100,237,260\",\"status\":\"0\"},{\"deptName\":\"调度室\",\"deptId\":271,\"orderNum\":\"10\",\"delFlag\":\"0\",\"params\":{},\"parentId\":269,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798261000,\"ancestors\":\"0,99,100,237,269\",\"status\":\"0\"},{\"deptName\":\"运行甲班\",\"deptId\":272,\"orderNum\":\"20\",\"delFlag\":\"0\",\"params\":{},\"parentId\":269,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798272000,\"ancestors\":\"0,99,100,237,269\",\"status\":\"0\"},{\"deptName\":\"运行乙班\",\"deptId\":273,\"orderNum\":\"30\",\"delFlag\":\"0\",\"params\":{},\"parentId\":269,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798282000,\"ancestors\":\"0,99,100,237,269\",\"status\":\"0\"},{\"deptName\":\"运行丙班\",\"deptId\":274,\"orderNum\":\"40\",\"delFlag\":\"0\",\"params\":{},\"parentId\":269,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798315000,\"ancestors\":\"0,99,100,237,269\",\"status\":\"0\"},{\"deptName\":\"运行丁班\",\"deptId\":275,\"orderNum\":\"50\",\"delFlag\":\"0\",\"params\":{},\"parentId\":269,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798328000,\"ancestors\":\"0,99,100,237,269\",\"status\":\"0\"},{\"deptName\":\"运行戊班\",\"deptId\":276,\"orderNum\":\"60\",\"delFlag\":\"0\",\"params\":{},\"parentId\":269,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798343000,\"ancestors\":\"0,99,100,237,269\",\"status\":\"0\"},{\"deptName\":\"系统班\",\"deptId\":277,\"orderNum\":\"70\",\"delFlag\":\"0\",\"params\":{},\"parentId\":269,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798356000,\"ancestors\":\"0,99,100,237,269\",\"status\":\"0\"},{\"deptName\":\"电工班\",\"deptId\":278,\"orderNum\":\"80\",\"delFlag\":\"0\",\"params\":{},\"parentId\":269,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798366000,\"ancestors\":\"0,99,100,237,269\",\"status\":\"0\"},{\"deptName\":\"机修班\",\"deptId\":279,\"orderNum\":\"90\",\"delFlag\":\"0\",\"params\":{},\"parentId\":269,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798377000,\"ancestors\":\"0,99,100,237,269\",\"status\":\"0\"},{\"deptName\":\"煤管班\",\"deptId\":280,\"orderNum\":\"100\",\"delFlag\":\"0\",\"params\":{},\"parentId\":269,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798391000,\"ancestors\":\"0,99,100,237,269\",\"status\":\"0\"},{\"deptName\":\"采样班\",\"deptId\":282,\"orderNum\":\"10\",\"delFlag\":\"0\",\"params\":{},\"parentId\":281,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798425000,\"ancestors\":\"0,99,100,237,281\",\"status\":\"0\"},{\"deptName\":\"制样班\",\"deptId\":283,\"orderNum\":\"20\",\"delFlag\":\"0\",\"params\":{},\"parentId\":281,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798444000,\"ancestors\":\"0,99,100,237,281\",\"status\":\"0\"},{\"deptName\":\"化验班\",\"deptId\":284,\"orderNum\":\"30\",\"delFlag\":\"0\",\"params\":{},\"parentId\":281,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798456000,\"ancestors\":\"0,99,100,237,281\",\"status\":\"0\"},{\"deptName\":\"铁路班\",\"deptId\":285,\"orderNum\":\"40\",\"delFlag\":\"0\",\"params\":{},\"parentId\":281,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798469000,\"ancestors\":\"0,99,100,237,281\",\"status\":\"0\"},{\"deptName\":\"计量班\",\"deptId\":286,\"orderNum\":\"50\",\"delFlag\":\"0\",\"params\":{},\"parentId\":281,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798481000,\"ancestors\":\"0,99,100,237,281\",\"status\":\"0\"},{\"deptName\":\"磨煤机班\",\"deptId\":288,\"orderNum\":\"10\",\"delFlag\":\"0\",\"params\":{},\"parentId\":287,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798512000,\"ancestors\":\"0,99,100,237,287\",\"status\":\"0\"},{\"deptName\":\"风机班\",\"deptId\":289,\"orderNum\":\"20\",\"delFlag\":\"0\",\"params\":{},\"parentId\":287,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798521000,\"ancestors\":\"0,99,100,237,287\",\"status\":\"0\"},{\"deptName\":\"本体班\",\"deptId\":290,\"orderNum\":\"30\",\"delFlag\":\"0\",\"params\":{},\"parentId\":287,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798532000,\"ancestors\":\"0,99,100,237,287\",\"status\":\"0\"},{\"deptName\":\"管阀班\",\"deptId\":291,\"orderNum\":\"40\",\"delFlag\":\"0\",\"params\":{},\"parentId\":287,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798544000,\"ancestors\":\"0,99,100,237,287\",\"status\":\"0\"},{\"deptName\":\"焊工班\",\"deptId\":292,\"orderNum\":\"50\",\"delFlag\":\"0\",\"params\":{},\"parentId\":287,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798557000,\"ancestors\":\"0,99,100,237,287\",\"status\":\"0\"},{\"deptName\":\"综合班\",\"deptId\":293,\"orderNum\":\"60\",\"delFlag\":\"0\",\"params\":{},\"parentId\":287,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798571000,\"ancestors\":\"0,99,100,237,287\",\"status\":\"0\"},{\"deptName\":\"本体班\",\"deptId\":296,\"orderNum\":\"10\",\"delFlag\":\"0\",\"params\":{},\"parentId\":295,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798641000,\"ancestors\":\"0,99,100,237,295\",\"status\":\"0\"},{\"deptName\":\"调速班\",\"deptId\":297,\"orderNum\":\"20\",\"delFlag\":\"0\",\"params\":{},\"parentId\":295,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798652000,\"ancestors\":\"0,99,100,237,295\",\"status\":\"0\"},{\"deptName\":\"水泵班\",\"deptId\":298,\"orderNum\":\"30\",\"delFlag\":\"0\",\"params\":{},\"parentId\":295,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798662000,\"ancestors\":\"0,99,100,237,295\",\"status\":\"0\"},{\"deptName\":\"辅机班\",\"deptId\":299,\"orderNum\":\"40\",\"delFlag\":\"0\",\"params\":{},\"parentId\":295,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798673000,\"ancestors\":\"0,99,100,237,295\",\"status\":\"0\"},{\"deptName\":\"化检班\",\"deptId\":300,\"orderNum\":\"50\",\"delFlag\":\"0\",\"params\":{},\"parentId\":295,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798685000,\"ancestors\":\"0,99,100,237,295\",\"status\":\"0\"},{\"deptName\":\"保洁班\",\"deptId\":301,\"orderNum\":\"60\",\"delFlag\":\"0\",\"params\":{},\"parentId\":295,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798698000,\"ancestors\":\"0,99,100,237,295\",\"status\":\"0\"},{\"deptName\":\"继电保护班\",\"deptId\":303,\"orderNum\":\"10\",\"delFlag\":\"0\",\"params\":{},\"parentId\":302,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798736000,\"ancestors\":\"0,99,100,237,302\",\"status\":\"0\"},{\"deptName\":\"配电班\",\"deptId\":304,\"orderNum\":\"20\",\"delFlag\":\"0\",\"params\":{},\"parentId\":302,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798747000,\"ancestors\":\"0,99,100,237,302\",\"status\":\"0\"},{\"deptName\":\"高压试验班\",\"deptId\":305,\"orderNum\":\"30\",\"delFlag\":\"0\",\"params\":{},\"parentId\":302,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798759000,\"ancestors\":\"0,99,100,237,302\",\"status\":\"0\"},{\"deptName\":\"通讯班\",\"deptId\":306,\"orderNum\":\"40\",\"delFlag\":\"0\",\"params\":{},\"parentId\":302,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798771000,\"ancestors\":\"0,99,100,237,302\",\"status\":\"0\"},{\"deptName\":\"电机班\",\"deptId\":307,\"orderNum\":\"50\",\"delFlag\":\"0\",\"params\":{},\"parentId\":302,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798787000,\"ancestors\":\"0,99,100,237,302\",\"status\":\"0\"},{\"deptName\":\"试验班\",\"deptId\":309,\"orderNum\":\"10\",\"delFlag\":\"0\",\"params\":{},\"parentId\":308,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798821000,\"ancestors\":\"0,99,100,237,308\",\"status\":\"0\"},{\"deptName\":\"炉控班\",\"deptId\":310,\"orderNum\":\"20\",\"delFlag\":\"0\",\"params\":{},\"parentId\":308,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798831000,\"ancestors\":\"0,99,100,237,308\",\"status\":\"0\"},{\"deptName\":\"机控班\",\"deptId\":311,\"orderNum\":\"30\",\"delFlag\":\"0\",\"params\":{},\"parentId\":308,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798843000,\"ancestors\":\"0,99,100,237,308\",\"status\":\"0\"},{\"deptName\":\"工程师站\",\"deptId\":312,\"orderNum\":\"40\",\"delFlag\":\"0\",\"params\":{},\"parentId\":308,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798856000,\"ancestors\":\"0,99,100,237,308\",\"status\":\"0\"},{\"deptName\":\"辅控班\",\"deptId\":313,\"orderNum\":\"50\",\"delFlag\":\"0\",\"params\":{},\"parentId\":308,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798867000,\"ancestors\":\"0,99,100,237,308\",\"status\":\"0\"},{\"deptName\":\"脱硫班\",\"deptId\":315,\"orderNum\":\"10\",\"delFlag\":\"0\",\"params\":{},\"parentId\":314,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798938000,\"ancestors\":\"0,99,100,237,314\",\"status\":\"0\"},{\"deptName\":\"综合班\",\"deptId\":316,\"orderNum\":\"20\",\"delFlag\":\"0\",\"params\":{},\"parentId\":314,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798948000,\"ancestors\":\"0,99,100,237,314\",\"status\":\"0\"},{\"deptName\":\"机械班\",\"deptId\":317,\"orderNum\":\"30\",\"delFlag\":\"0\",\"params\":{},\"parentId\":314,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798959000,\"ancestors\":\"0,99,100,237,314\",\"status\":\"0\"},{\"deptName\":\"泵班\",\"deptId\":318,\"orderNum\":\"40\",\"delFlag\":\"0\",\"params\":{},\"parentId\":314,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634798970000,\"ancestors\":\"0,99,100,237,314\",\"status\":\"0\"},{\"deptName\":\"车辆调度班\",\"deptId\":320,\"orderNum\":\"10\",\"delFlag\":\"0\",\"params\":{},\"parentId\":319,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634799916000,\"ancestors\":\"0,99,100,237,319\",\"status\":\"0\"},{\"deptName\":\"维护班\",\"deptId\":321,\"orderNum\":\"20\",\"delFlag\":\"0\",\"params\":{},\"parentId\":319,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634799927000,\"ancestors\":\"0,99,100,237,319\",\"status\":\"0\"},{\"deptName\":\"土建班\",\"deptId\":322,\"orderNum\":\"30\",\"delFlag\":\"0\",\"params\":{},\"parentId\":319,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634799937000,\"ancestors\":\"0,99,100,237,319\",\"status\":\"0\"},{\"deptName\":\"安装班\",\"deptId\":323,\"orderNum\":\"40\",\"delFlag\":\"0\",\"params\":{},\"parentId\":319,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634799947000,\"ancestors\":\"0,99,100,237,319\",\"status\":\"0\"},{\"deptName\":\"维修班\",\"deptId\":324,\"orderNum\":\"50\",\"delFlag\":\"0\",\"params\":{},\"parentId\":319,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634799957000,\"ancestors\":\"0,99,100,237,319\",\"status\":\"0\"},{\"deptName\":\"保洁班\",\"deptId\":325,\"orderNum\":\"60\",\"delFlag\":\"0\",\"params\":{},\"parentId\":319,\"createBy\":\"admin\",\"children\":[],\"createTime\":1634799969000,\"ancestors\":\"0,99,100,237,319\",\"status\":\"0\"},{\"deptName\":\"历下发电厂\",\"deptId\":414,\"orderNum\":\"0\",\"delFlag\":\"0\",\"params\":{},\"parentId\":413,\"createBy\":\"admin\",\"children\":[],\"createTime\":1644555476000,\"ancestors\":\"0,99,413\",\"status\":\"0\"},{\"deptName\":\"高新研发部\",\"deptId\":415,\"orderNum\":\"0\",\"delFlag\":\"0\",\"params\":{},\"parentId\":413,\"createBy\":\"admin\",\"children\":[],\"createTime\":1644555503000,\"ancestors\":\"0,99,413\",\"status\":\"0\"},{\"deptName\":\"电厂001\",\"deptId\":416,\"orderNum\":\"0\",\"delFlag\":\"0\",\"params\":{},\"parentId\":414,\"createBy\":\"admin\",\"children\":[],\"createTime\":1644555533000,\"ancestors\":\"0,99,413,414\",\"status\":\"0\"},{\"deptName\":\"电厂002\",\"deptId\":417,\"orderNum\":\"0\",\"delFlag\":\"0\",\"params\":{},\"parentId\":414,\"createBy\":\"admin\",\"children\":[],\"createTime\":1644555541000,\"ancestors\":\"0,99,413,414\",\"status\":\"0\"},{\"deptName\":\"研发部001\",\"deptId\":418,\"orderNum\":\"0\",\"delFlag\":\"0\",\"params\":{},\"parentId\":415,\"createBy\":\"admin\",\"children\":[],\"createTime\":1644555562000,\"ancestors\":\"0,99,413,415\",\"status\":\"0\"},{\"deptName\":\"研发部002\",\"deptId\":419,\"orderNum\":\"0\",\"delFlag\":\"0\",\"params\":{},\"parentId\":415,\"createBy\":\"admin\",\"children\":[],\"createTime\":1644555570000,\"ancestors\":\"0,99,413,415\",\"status\":\"0\"},{\"deptName\":\"研发部003\",\"deptId\":420,\"orderNum\":\"0\",\"delFlag\":\"0\",\"params\":{},\"parentId\":415,\"createBy\":\"admin\",\"children\":[],\"createTime\":1644555575000,\"ancestors\":\"0,99,413,415\",\"status\":\"0\"}]";public static void main(String[] args) {List<SysDept> deptList = JSON.parseArray(JSON_STR, SysDept.class);ListToTreeUtil<SysDept> menuList = new ListToTreeUtil<SysDept>();List<SysDept> treeListObject = menuList.getTreeListObject(deptList);System.out.println(JSON.toJSONString(treeListObject));}}

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java递归获取树结构的指定层级、指定层级之上（向上递归（包含父集所有、爷爷集所有...）（父集单独、爷爷集单独...））、指定层级之下所有的（子集、孙子集...）和list集合转Tree树结构

获取树结构

指定层级、

指定层级之上（向上递归（包含父集所有、爷爷集所有...）（父集单独、爷爷集单独...））、

指定层级之下所有的（子集、孙子集...）

集合转树结构

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