disptree.java

组织结构树的实现

package com.servlet;

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

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

import com.model.TreeManager;

public class DispTree extends HttpServlet {
	public DispTree() {
		super();
	}
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		doPost(request,response);
	}
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
        request.setCharacterEncoding("gb2312");
        response.setCharacterEncoding("gb2312");
        response.setContentType("text/html");
        /*   dispTree start!!       */
        TreeManager treeSql=new TreeManager();
		List tree=new ArrayList();
		tree=(ArrayList)treeSql.getAllNods();
		request.setAttribute("tree", tree);
        
		request.getRequestDispatcher("TransTree.jsp").forward(request, response);	
	}

	public void init() throws ServletException {
		// Put your code here
	}

}