managedorderaction.java

简单的web应用,实现基本的购物车功能,有良好的扩展性

package struts.action;

import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionForm;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.ActionForward;
import struts.actionform.ManagedOrderForm;
import org.apache.struts.action.Action;
import bo.OrderBo;

public class ManagedOrderAction extends Action {
    public ActionForward execute(ActionMapping actionMapping,
                                 ActionForm actionForm,
                                 HttpServletRequest servletRequest,
                                 HttpServletResponse servletResponse) {
        ManagedOrderForm form = (ManagedOrderForm) actionForm;
        return this.getActionForward(actionMapping, form, servletRequest);
    }
    /**
  * 页面转向
  * @param mapping
  * @param theForm
  * @return 将要转向的页面
  */
 private ActionForward getActionForward(ActionMapping mapping,
                                        ManagedOrderForm form,
                                        HttpServletRequest request) {
     String event = form.getEvent();
     OrderBo bo = OrderBo.getInstance();
     if ("update".equals(event)) {
         bo.updateOrderStatus(form);
     }
     bo.getOrderList(form);
     return mapping.findForward("managedorder");
 }

}