treeproaction.java

EXT技术的一个小项目(附源码和数据库脚本).rar,分图书管理

package com.shyhao.qq.action;

import java.io.IOException;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import com.shyhao.qq.service.TreeDataPro;

/** 
 * 作者：宋英豪
 * 创建日期:创建日期：2008-09-06
 */
public class TreeProAction extends Action {

	/** 
	 * Method execute
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		String nodeId=request.getParameter("NodeId");
		System.out.println(nodeId);
		TreeDataPro dataPro=new TreeDataPro();
		if(nodeId!=null){
			dataPro.setParentId(nodeId);
		}
		String jsonArr=dataPro.getJsonString();
		try {
			response.setCharacterEncoding("UTF-8");
			response.getWriter().write(jsonArr);
		} catch (IOException e) {
			e.printStackTrace();
		}
		return null;
		//request.setAttribute("jsonArr",jsonArr );
		//return mapping.findForward("treeData");
	}
}