clearcartservlet.java

网上书城源代码~~在学习JAVA的时候做的

package com.briup.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.briup.bean.ShoppingCart;

@SuppressWarnings("serial")
public class ClearCartServlet extends HttpServlet {

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

	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		HttpSession session=request.getSession();
		ShoppingCart cart = (ShoppingCart) session.getAttribute("cart");
		cart.removeAll();
		response.sendRedirect(request.getContextPath()+"/listBookStore.jsp");
	}

}