readerrulecontrolpro.java

简单的图书馆管理系统

package com.controller;

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

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

import com.common.DBaccess.ReaderRuleProcess;

public class ReaderRuleControlPro extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public ReaderRuleControlPro() {
		super();
	}

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		doPost(request, response);
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		request.setCharacterEncoding("gb2312");
		Vector v=null;
		HttpSession session=request.getSession();
		ArrayList al=(ArrayList)session.getAttribute("userInfo");
		String userID=(String)al.get(0);
		ReaderRuleProcess rrp=new ReaderRuleProcess();
		v=rrp.ReaderRulePro(userID);
		System.out.println(v.size());
		request.setAttribute("ReaderRule", v);
		
		request.setAttribute("title","读者规则");
		request.setAttribute("URL","/view/ReaderRule.jsp");
		
		RequestDispatcher dis=this.getServletContext().getRequestDispatcher("/index.jsp");
		dis.forward(request,response);
	}

}