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在 AS3 中使用 tree [复制链接]

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离线韭菜
 

只看楼主 倒序阅读 使用道具 楼主  发表于: 2010-10-23

在 AS3 中使用 tree

http://developer.yahoo.com/flash/astra-flash/tree/

XML数据生成,java示例:

TreeData.java

package org.jiucai.ext.yahoo.fl.data;

import java.io.Serializable;

/**
*
* 树形结构的节点数据结构
* <pre>
*
* 类简介
*
* 备注:
*  1.
*  2.
*  3.
* </pre>
*
* @author:    zhaidw
* @date:    2010-10-23
*
*
*/
public class TreeData implements Serializable {
    
    private static final long serialVersionUID = 3359824250382904965L;
    private Integer id;
    private Integer parentId;
    private String name;
    private Integer treeLevel;

    
    public TreeData() {
        super();
    }


    public TreeData(Integer id, Integer parentId, String name, Integer treeLevel) {
        super();
        this.id = id;
        this.parentId = parentId;
        this.name = name;
        this.treeLevel = treeLevel;
    }
    
    
    public Integer getId() {
        return id;
    }
    public void setId(Integer id) {
        this.id = id;
    }
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public Integer getParentId() {
        return parentId;
    }
    public void setParentId(Integer parentId) {
        this.parentId = parentId;
    }
    public Integer getTreeLevel() {
        return treeLevel;
    }
    public void setTreeLevel(Integer treeLevel) {
        this.treeLevel = treeLevel;
    }

}

Tree.java

package org.jiucai.ext.yahoo.fl.data;

import java.util.ArrayList;
import java.util.List;

import org.dom4j.Document;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;

/**
*
* 树XML数据生成类
* <pre>
*
* 类简介
*
* 备注:
*  1.依赖于 dom4j.jar 库
*  2.
*  3.
* </pre>
*
* @author:    zhaidw
* @date:    2010-10-23
*
*
*/
public class Tree {
    
    
    public static String getXML(List<TreeData> list){
        String xml ="";
        
        Document document = DocumentHelper.createDocument();
        
        Element root = document.addElement("node");
        
        root.addAttribute("label", "根节点");
        root.addAttribute("id", "");
        root.addAttribute("parentId", "");
        root.addAttribute("treeLevel", "");
        
        
        Element baseNode = root.addElement("node");
        
        baseNode.addAttribute("label", "所有");
        baseNode.addAttribute("id", "");
        baseNode.addAttribute("parentId", "");
        baseNode.addAttribute("treeLevel", "");
        
        addSubNode(baseNode , list, 0);
        
        xml = document.getRootElement().asXML();
        
        return xml;
    }
    
    
    private static void addSubNode(Element parentNode , List<TreeData> list, Integer nodeId){
        
        if(null != list && list.size() > 0){
            Element node;
            TreeData data;
            for (int i = 0; i < list.size(); i++) {
                data = list.get(i);
                
                if( nodeId == data.getParentId() ){
                    node = parentNode.addElement("node");
                        
                    node.addAttribute("label", data.getName());
                    node.addAttribute("id", data.getId().toString());
                    node.addAttribute("parentId", data.getParentId().toString());
                    node.addAttribute("treeLevel", data.getTreeLevel().toString());
                    
                    
                    addSubNode(node , list, data.getId());
                }
                
                
                
            }
        }
        
        
    }
    
    
    
    
    
    public static void main(String[] args) {
        List<TreeData> list = new ArrayList<TreeData>();
        
        TreeData data;
        
        data= new TreeData();
        data.setId(1);
        data.setParentId(0);
        data.setName("节点1");
        data.setTreeLevel(1);
        list.add(data);
        
        
        data= new TreeData();
        data.setId(2);
        data.setParentId(0);
        data.setName("节点2");
        data.setTreeLevel(1);
        list.add(data);
        
        data= new TreeData();
        data.setId(3);
        data.setParentId(1);
        data.setName("节点11");
        data.setTreeLevel(1);
        list.add(data);
        
        String xml = Tree.getXML(list);
        
        System.out.println(xml);
    }

}




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