treehelper.java

针对java变成写的一个关于xtree的树形菜单

package com.xaccp.struts.helper;

import java.util.List;
import java.util.Vector;
import com.xaccp.vo.DempVO;

public class TreeHelper {
	public static List list;
	public static String makeDempTree(String root,List list){
		return makeDempTree(root, list,"main");
	}
	public static String makeDempTree(String root,List list,String target){
		TreeHelper.list=list;
		//从id为1开始写
		String all="";
			for(int k=1;k<4;k++){
				all += findAllChildren(k, target);
				all += root + ".add(me"+k+");\n";
			}
		return all;
	}
	public static String findAllChildren(int id,String target){
//		首先创建自身节点
		DempVO me = findById(id);
		String meNode = "me" + id + " = new WebFXTreeItem('" + me.getDemp()+ "','\\ok.do?id=" + me.getId() + "')\n";
		//设置target
		meNode +="me" + id + ".target='" + target + "';\n";
		List res = new Vector();
		for (Object o: list) {
			DempVO d = (DempVO)o;
			if (d.getFatherid()==id) {
				String sonNode = findAllChildren(d.getId(), target);
				meNode+=sonNode;
				meNode+="me" + id + ".add(me" + d.getId() +");\n";
			}
		}
		return meNode;
	}
	public static DempVO findById(int id){
		for (Object o: list) {
			DempVO d = (DempVO)o;
			if (d.getId()==id) return d;
		}
		return null;
	}
}