trainaction.java

这个是j2eejava web 编程精要十五讲的全部源码。对学习java web编程的人来说是很能得的资料

package struts_tier;

import org.apache.struts.action.*;
import javax.servlet.http.*;
import hibernate_tier.HibernateUtil;
import hibernate_tier.Train;
import model.Handler;
import org.apache.log4j.*;


public class TrainAction extends Action {
  public ActionForward execute(ActionMapping mapping, ActionForm form,
                               HttpServletRequest request,
                               HttpServletResponse response) {
    /**@todo: complete the business logic here, this is just a skeleton.*/
    TrainActionForm tForm = (TrainActionForm) form;

    Logger log = Logger.getLogger("TrainAction.class");

    String trainCode = tForm.getTrainCode();

    Train t = new Handler().getQueryResult(trainCode);

    HttpSession session = request.getSession(true);
    session.setAttribute("result",t);

    String prompt = new String();

    if (t==null) prompt="Fail";
    else prompt = "Success";

    return mapping.findForward(prompt);
  }
}