nodesprint.java

生成动态树

package com.handler;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.dao.DaoTest;
import com.dao.Nodes;
public class NodesPrint extends HttpServlet {
	private static final long serialVersionUID = 1L;
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
                 doPost(request, response);
	}
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		   System.out.println("������.........");
           request.setCharacterEncoding("utf-8");
           response.setContentType("text/xml;charset=utf-8");
           PrintWriter out = response.getWriter();
           DaoTest test = new DaoTest();
    	   ArrayList<Nodes> list=  test.getNodeInfo();
    	    if(list!=null&&list.size()>0){
    	    	out.println("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
    	        out.println("<nodes>");
    	    	for(int i=0;i<list.size();i++){
    	    		Nodes node = list.get(i);
    	    		out.println("<node nodeId='"
    	    				+node.getNodeId()+"' parentId='"+
    	    				node.getParentId()+"' hrefAddress='"+
    	    				node.getHrefAddress()+"'>"
    	    				+node.getNodeName()+"</node>");
    	    	}
    	    	out.println("</nodes>");
    	    }
	}
}