hasDepartmentIdFn(treeData,key){   this.hasDepartmentId=false   constloop=(data)=>{    for(constitemofdata){     if(item.treedataid===key){      this.hasDepartmentId=true      bre

基本思想根据根节点没有父节点原理找到父节点；根据子节点的父id找到根节点所有的子节点；递归遍历父节点的所有子节点； privatevoidrecursionFn(List<SysDept>list,SysDeptt){//得到子节点列表List<SysDept>childList=getChildList(list,t

 递归查：@OverridepublicList<PromotionOrgInfoPO>queryOrgInfo(){List<PromotionOrgInfoPO>promotionOrgInfoPOS=pointExchangeDAO.queryOrgInfo();List<PromotionOrgInfoPO>rootInfo=newArrayList<>();if(

先创建一个Menu类packagecom.hlt.cdr.translate.utils;importlombok.Builder;importlombok.Data;importjava.util.List;/***Menu**@authorlcry*@date2020/06/0120:36*/@Data@BuilderpublicclassMenu{/***id*/publicIn

publicList<T>GetChildObjects<T>(DependencyObjectobj,Typetypename)whereT:FrameworkElement{DependencyObjectchild=null;

 java三级菜单遍历@OverridepublicList<YjztCity>getYjzt(){List<YjztCity>yjztCities=yjztCityMapper.selectByExample(null);//先获取你想要

原数组：arr=[{name:'北京',id:110000,childList:[{name:'北京',id:110001,childList:[{name:'东城',id:110101},{name:'西城',id:110102}]}]

publicList<dynamic>GetData(IDbConnectionconnection){Func<int,List<dynamic>,List<dynamic>>DiguiChild=null;DiguiChild=newFunc<int,List<dy