后端代码遍历树结构代码：
privateList<AlertTree> buildMenuTree(List<AlertTree>list , Integer pid){
List<AlertTree> treeList = new ArrayList<>();
list.forEach(menu->{
if(pid==menu.getCateParentId()){
menu.setChildList(buildMenuTree(list,menu.getId()));
treeList.add(menu);
}
});
returntreeList;
}
