zTree插件的实现以及后台代码

package com.ninemax.treeNode.view.action;

import java.io.IOException;
import javax.servlet.http.HttpServletResponse;

import net.sf.json.JSONArray;
import net.sf.json.JSONObject;

import org.apache.struts2.ServletActionContext;
import com.paradise.bean.Condition;
import com.paradise.bean.Field;
import com.paradise.dao.FieldType;
import com.paradise.plus.BaseDaoPlus;

public class TreeNodeAction {
	/**
	 * 根据父类ID获取子类的树菜单
	 * @throws IOException
	 */
	public void findTreeByFid() throws IOException {
		
		Condition treeCondition=new Condition();
		treeCondition.add(new Field("F_ID",FieldType.STRING));
		treeCondition.add(new Field("F_GROUPID",FieldType.STRING));
		treeCondition.add(new Field("F_WORD",FieldType.STRING));
		String json="[";
		String sql="SELECT DISTINCT r1.* FROM (SELECT * FROM R_WORD_INFO_CHEN WHERE ROWNUM <= 15000 ) r1,"
				+ "(SELECT * FROM R_WORD_INFO_CHEN WHERE ROWNUM <=15000 ) r2"
				+ " WHERE r1.F_ID = r2.F_GROUPID UNION SELECT DISTINCT r4.* FROM (SELECT * FROM R_WORD_INFO_CHEN WHERE ROWNUM <=15000) r3,"
				+ "(SELECT * FROM R_WORD_INFO_CHEN WHERE ROWNUM <= 15000) r4 WHERE r3.F_ID = r4.F_GROUPID";
		System.out.println(sql);
		String jsonArr=BaseDaoPlus.find(sql, treeCondition);
		JSONArray arr=JSONArray.fromObject(jsonArr);
		for(int i=0;i
 

  
   struts配置文件(需要在主文件中导入struts配置文件)
  

  
   


   
	
     
      
       
      
    

   

  
   前端实现代码
  

  
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
   <%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
   <%
     String path = request.getContextPath();
     String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
   %>
      
      
         
            
    
            
			
     
            
			
			
			
            
          
          
	    
   
		   
     
      
       
       
 
        
资源分类
 
       
 
        
      
    
		  
   
		 
          
      
    $(function(){
	$.ajax({
		type : "post",
		async:false,
		url : basePath + "admin/treeNode/treeNodeAction_findTreeByFid.action?d=" + Math.random(),
		dataType : "text",
		success:drawTree,
		error : function(data){alert(data);}
	});
});
function drawTree(data){
	var setting = {
			view: {
				dblClickExpand: false
			},
			data: {
				key: {
					//title:"name"
				},
				simpleData: {
					enable: true
				}
			},
			check: {
				enable: true
			},
			callback: {
				//onClick: onClick
			}
		};
	
	var zNodes =eval(data);
	alert(zNodes);
	$.fn.zTree.init($("#sourceTree"), setting, zNodes);
	var treeObj=$.fn.zTree.getZTreeObj("sourceTree");
	treeObj.expandAll(false);
}