shopcartservlet.java

一个网上购物商城系统

/**
  * @(#)tarena.global.Transform.java  2008-11-14  
  * Copy Right Information	: Tarena
  * Project					: xindou
  * JDK version used		: jdk1.6.4
  * Comments				: 转化类。
  * Version					: 1.0
  * Sr	Date		Modified By		Why & What is modified
  * 1.	2008-11-14 	陈达     		新建
  **/
package tarena.servlet;

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 tarena.dao.ProductDAO;
import tarena.dao.pages.ShopcartDAO;
import tarena.entity.Product;
import tarena.entity.Shopcart;
@SuppressWarnings("serial")
public class ShopcartServlet extends HttpServlet {


	public void service(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		response.setContentType("text/html");
		response.setCharacterEncoding("UTF-8");
		PrintWriter out = response.getWriter();
		
		String pid = request.getParameter("pid");
		String choice = request.getParameter("chic");
		String amount = request.getParameter("amt");
		
		ShopcartDAO sdao = new ShopcartDAO();
		ProductDAO pdao = new ProductDAO();
		
		Product p = pdao.findById(new Integer(pid));
		Shopcart cart = new Shopcart(p,null);
		
		System.out.println(request.getCookies());
		
		if(choice.equals("delete")){
			sdao.delete(cart, request, response);
			out.println("ture");
		}
		
		if(choice.equals("modify")){
			sdao.modifyAmount(cart, new Integer(amount), request, response);
			out.println(cart.getAmount());
		}
		out.flush();
		out.close();
	}
	
}