checkoutaction.java

网上商店 新增功能： 1

package netstore.order;
import javax.servlet.http.*;
import org.apache.struts.action.*;
import netstore.framework.exceptions.BaseException;
import netstore.framework.SessionContainer;
import netstore.framework.util.IConstants;
import netstore.framework.ShoppingCartItem;
import netstore.framework.ShoppingCart;
import netstore.framework.NetstoreBaseAction;
import netstore.service.INetstoreService;
import netstore.businessobjects.*;
import java.util.List;
import java.util.Iterator;

/**
 * An action that signs the user off of the system.
 * 
 */
public class CheckoutAction extends NetstoreBaseAction {
  public ActionForward execute( ActionMapping mapping,
                                ActionForm form,
                                HttpServletRequest request,
                                HttpServletResponse response )
    throws Exception {

    // Check to make sure the user is logged in
	//检测用户是否已登录
    if(!isLoggedIn(request)) {
      // Remember the path of where the user was going so they can be
      // taken straight there after login is successful
      //记录，成功后会跳到哪里，目前程序中并未使用该变量
      String path = mapping.findForward(IConstants.SUCCESS_KEY).getPath();
      //setLoginToken(request.getSession(), path);

      // Forward the user to the signon page
      //全局转向，跳转到登录页面
      return mapping.findForward(IConstants.SIGNON_KEY);
    }

    return mapping.findForward( IConstants.SUCCESS_KEY );
  }
}