buyaction.java

自己做的毕业设计

package action;

import java.util.List;

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

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import form.BuyForm;

public class BuyAction extends Action{

	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		BuyForm buyForm = (BuyForm)form;
		String price = buyForm.getPrice();
		String pname = buyForm.getPname();
		List<String> priceList = null;
		List<String> pnameList = null;
		HttpSession session=request.getSession();
		if(session.getAttribute("username")!=null)
		{
			priceList = (List<String>) session.getAttribute("price");
			priceList.add(price);
			session.setAttribute("price", priceList);
			pnameList = (List<String>) session.getAttribute("pname");
			pnameList.add(pname);
			session.setAttribute("pname", pnameList);
		}
		return mapping.findForward("booksale");
	}
}