putincarservlet.java

网上订餐系统

package com.newer.dao;

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 javax.servlet.http.HttpSession;

public class PutInCarServlet extends HttpServlet {

	public PutInCarServlet() {
		super();
	}


	public void destroy() {
		super.destroy(); 
	}


	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		doPost(request,response);
		
	}

	
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		//response.setCharacterEncoding("text/html; charset=utf-8");

		response.setContentType("text/html;charset=utf-8");
		PrintWriter out = response.getWriter();
		String orderid= request.getParameter("orderID");
		int orderID=Integer.parseInt(orderid);
		String carcount=request.getParameter("carCount");
		int carCount=Integer.parseInt(carcount);
		HttpSession session=request.getSession();
		int loginid =(Integer)session.getAttribute("loginID");
		
		//loginid=loginid.trim();
		
		//int loginID=Integer.parseInt(loginid);
		int loginID=loginid;
		BuycarDao bcd=new BuycarDao();
		boolean res=bcd.addCarInfo(orderID,carCount,loginID);
		if(res){
			out.println("商品已成功添加到购物车");
		}else{
			out.print("购买商品失败！");
		}
		
		
	}

	
	public void init() throws ServletException {
		
	}

}