addbookbean.java

本系统完成简单的图书管理系统

/***********************************************************************
*                          湖南大学图书管理系统
* @author Administrator                                                         
* @since 2008.06                                                  
* @version 1.0                                                           															  
* @category 添加图书bean
*************************************************************************/
package library.control;

import java.io.IOException;
import java.sql.Date;
import java.util.ArrayList;

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 library.DBaccess.AddBookDB;
import library.data.Book;

public class AddBookBean extends HttpServlet{

	@Override
	protected void doGet(HttpServletRequest req, HttpServletResponse resp)
			throws ServletException, IOException {
		// TODO Auto-generated method stub
		if(req.getParameter("name").equals("addbook"))
		{
			System.out.println("图书添加");
			req.setAttribute("title","图书添加");
			req.setAttribute("URL","//manager/view/addBook.jsp");
			RequestDispatcher dis=this.getServletContext().getRequestDispatcher("/manager/index.jsp");
			dis.forward(req,resp);
		}
	}

	@Override
	protected void doPost(HttpServletRequest req, HttpServletResponse resp)
			throws ServletException, IOException {
		// TODO Auto-generated method stub
		req.setCharacterEncoding("gb2312");
		HttpSession session=req.getSession();
		if(req.getParameter("name").equals("add"))
		{
			Book book = new Book();;
			book.title = req.getParameter("title");
			book.author = req.getParameter("author");
			book.category = req.getParameter("category");
			book.press = req.getParameter("press");
			book.price = req.getParameter("price");
			book.pagination = req.getParameter("pagination");
			book.isbn = req.getParameter("isbn");
			book.count =Integer.parseInt(req.getParameter("count"));
			book.remark = req.getParameter("remark");
			
			java.text.SimpleDateFormat date = new java.text.SimpleDateFormat(
			"yyyy-MM-dd");
			String currentDate = date.format(new Date(System.currentTimeMillis()));
			book.chectdate = currentDate;
			
			AddBookDB abdb = new AddBookDB();
			abdb.AddBook(book);
			
			ArrayList al=new ArrayList();
			al.add("添加成功!");
			session.setAttribute("addmsg",al);
			
			req.setAttribute("title","图书添加");
			req.setAttribute("URL","//manager/view/addBook.jsp");
			
			RequestDispatcher dis=this.getServletContext().getRequestDispatcher("//manager/index.jsp");
			dis.forward(req,resp);	
		}
	}

	@Override
	public void destroy() {
		// TODO Auto-generated method stub
		super.destroy();
	}

	@Override
	public void init() throws ServletException {
		// TODO Auto-generated method stub
		super.init();
	}

	public AddBookBean() {
		// TODO Auto-generated constructor stub
		super();
	}

}