c0cbc05e430b001c1e4dc50a32672bac

一个自行开发的网上商店一个自行开发的网上商店一个自行开发的网上商店

package com.car.servlet;

import javax.servlet.*;
import javax.servlet.http.*;
import java.util.*;
import java.io.*;
import com.car.bean.Productbean;
public class CarServlet extends HttpServlet {

    public CarServlet() {
    }
    	private static final String CONTENT_TYPE="text/html;charset=GBK";
	
	public void init()throws ServletException{}
	
	public void doGet(HttpServletRequest request,HttpServletResponse response)
	throws ServletException,IOException
	{
		response.setContentType(CONTENT_TYPE);
		response.setCharacterEncoding("GBK");
		//用一个session来跟踪和区别用户
		HttpSession session=request.getSession();
    	Productbean product=new Productbean();
    	Double marketprice=Double.valueOf(new String(request.getParameter("marketprice").getBytes("ISO-8859-1")));
    		product.setProductname(new String(request.getParameter("name").getBytes("ISO-8859-1")));
		product.setMarketprice(marketprice);
		product.setMemberprice(Double.valueOf(new String(request.getParameter("memberprice").getBytes("ISO-8859-1"))));
		HashMap sh=new HashMap();
		sh.put("product", product);
		Vector vec=(Vector)session.getAttribute("productList");
		if(vec==null)
		{
			vec=new Vector();
		}
		if(!vec.contains(sh))
		{
			vec.add(sh);
			session.setAttribute("productList", vec);
		}
		RequestDispatcher dis=request.getRequestDispatcher("index.jsp");
		dis.forward(request, response);
	}
		public void doPost(HttpServletRequest request,HttpServletResponse response)
	throws ServletException,IOException
	{
		doGet(request,response);
	}
	public void destroy(){}
}