clearshopcartservlet.java

来自「电子商务系统： 项目描述：该系统主要完成用户网上购物、订单管理、产品管理、管理」· Java 代码 · 共 27 行

package com.tarena.shop.servlet;

import java.io.IOException;

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 com.tarena.shop.biz.Cart;

public class ClearShopCartServlet extends HttpServlet {
	public void doGet(HttpServletRequest req,HttpServletResponse resp)
	throws ServletException,IOException
	{
		HttpSession session=req.getSession();
		Cart cart = (Cart)session.getAttribute("Cart");
		if(!cart.isEmpty())
		{
			cart.clear();
			session.setAttribute("Cart", cart);
		}
		resp.sendRedirect("basket.jsp");
	}
}