?? addbasketcontroller.java
字號:
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import estore.*;
/**
* a servlet that takes input from ShowBooks.jsp
* and adds the selected book to a user's basket.
*
* @author A Jiayi
* @version 1.0
*/
public class AddBasketController extends HttpServlet {
/**
* Processes requests for HTTP <code>POST</code> methods.
* @param request servlet request
* @param response servlet response
*/
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=UTF-8");
HttpSession session = request.getSession(true);
EStoreBasket basket = (EStoreBasket)session.getAttribute("basket");
if (basket == null) {
basket = new EStoreBasket();
session.setAttribute("basket", basket);
}
String[] isbns = request.getParameterValues("select");
if (isbns != null) {
for (int i = 0; i < isbns.length; i++) {
basket.addItem(isbns[i]);
}
}
session.setAttribute("basket", basket);
response.sendRedirect("/E-Store/viewbasket.jsp");
}
}
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