clearbasketcontroller.java

数据库exercise4作业,JSP

import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;

import estore.*;

/** 
* a servlet that takes input from viewbasket.jsp
* and clear all selected books of a user's basket.
*
* @author A Jiayi
* @version 1.0
*/
public class ClearBasketController extends HttpServlet {

	/**
	* Processes requests for HTTP <code>POST</code> methods.
	* @param request servlet request
	* @param response servlet response
	*/
	protected void doPost(HttpServletRequest request, HttpServletResponse response)
	    throws ServletException, IOException {

		response.setContentType("text/html;charset=UTF-8");
		HttpSession session = request.getSession(true);
		session.removeAttribute("basket");
		response.sendRedirect("/E-Store/viewbasket.jsp");
	}
}