backbookcontrolpro.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.BackBookProcess;

public class BackBookControlPro extends HttpServlet {

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

	/**
	 * Destruction of the servlet. <br>
	 */
	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);
	}

	/**
	 * 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");
		if(request.getParameter("name").equals("guihuan"))
		{
			request.setAttribute("title", "书籍归还");
			request.setAttribute("URL", "/admin/view/BackBook.jsp");
			RequestDispatcher dis = this.getServletContext().getRequestDispatcher("/admin/index.jsp");
			
			dis.forward(request, response);
		}
		if(request.getParameter("name").equals("guihuanProcess"))
		{
			String suoquhao=request.getParameter("SQH");
			String ZSH=request.getParameter("ZSH");
			BackBookProcess bbp = new BackBookProcess();
			int i = bbp.getBackBook(ZSH,suoquhao);
			if(i>0)
			{
				request.setAttribute("title", "书籍归还");
				request.setAttribute("URL", "/admin/view/BackBook.jsp");
				RequestDispatcher dis = this.getServletContext().getRequestDispatcher("/admin/index.jsp");
				dis.forward(request, response);
			}
		}
	}

}