摘要: 1、TreeData:供实体类继承 import java.util.ArrayList; import java.util.List; public class TreeData<T,E> { public E id; public E pid; public List<T> child=new 阅读全文
posted @ 2023-07-13 17:53 yangzhuxian 阅读(172) 评论(0) 推荐(0) 编辑