viewcartaction.java

这是一个基于Java的网络书店系统

package com.netshop.web.struts.action;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import com.netshop.web.struts.form.UserInfoForm;
import com.netshop.web.struts.form.CartActionForm;

public class ViewCartAction extends BaseAction {

    public ActionForward execute(ActionMapping mapping, ActionForm form,
            HttpServletRequest request, HttpServletResponse response)
            throws Exception {
        CartActionForm cartForm = (CartActionForm) form;
        UserInfoForm acctForm = (UserInfoForm) request.getSession()
                .getAttribute("accountForm");
        String page = request.getParameter("page");
        if (acctForm != null && acctForm.getAccount() != null) {
            if ("next".equals(page)) {
                acctForm.getMyList().nextPage();
            } else if ("previous".equals(page)) {
                acctForm.getMyList().previousPage();
            }
        }
        if ("nextCart".equals(page)) {
            cartForm.getCart().getCartItemList().nextPage();
        } else if ("previousCart".equals(page)) {
            cartForm.getCart().getCartItemList().previousPage();
        }
        return mapping.findForward("success");
    }

}