showonebook.java

一个ssh的网上购物系统

package com.xfaccp.bookonline.hib.util;

import java.io.IOException;
import java.io.PrintWriter;

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

import com.xfaccp.bookonline.hib.dao.BookTableDAO;
import com.xfaccp.bookonline.hib.dto.BookTable;

public class ShowOneBook extends HttpServlet {

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

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * 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 {
       System.out.println("nihao,wo shi xusheng!");
		response.setContentType("text/html;charset=gb2312");
		PrintWriter out = response.getWriter();
		String id = request.getParameter("bookid");
		BookTableDAO dao = new BookTableDAO();
		BookTable booktable = dao.findById(new Integer(id));
		out.println("商品名称：" + booktable.getBookname());
		out.println("商品价格：" + booktable.getPrice());
		out.println("商品类型：" + booktable.getCatalogTable().getCatalogname());
	}

	/**
	 * Initialization of the servlet. <br>
	 * 
	 * @throws ServletException
	 *             if an error occure
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}