十年网站开发经验 + 多家企业客户 + 靠谱的建站团队
量身定制 + 运营维护+专业推广+无忧售后,网站问题一站解决
首先看看两种树形菜单结构的代码示例。
SingleTreeNode:
package com.zzj.tree; public class SingleTreeNode { private int id; private int pId; private String name; public SingleTreeNode() { } public SingleTreeNode(int id, int pId, String name) { this.id = id; this.pId = pId; this.name = name; } public int getId() { return id; } public void setId(int id) { this.id = id; } public int getpId() { return pId; } public void setpId(int pId) { this.pId = pId; } public String getName() { return name; } public void setName(String name) { this.name = name; } @Override public String toString() { return "SingleTreeNode [id=" + id + ", pId=" + pId + ", name=" + name + "]"; } }